diff --git a/audio/common/2.0/default/Android.bp b/audio/common/2.0/default/Android.bp
deleted file mode 100644
index ac66479..0000000
--- a/audio/common/2.0/default/Android.bp
+++ /dev/null
@@ -1,47 +0,0 @@
-//
-// Copyright (C) 2016 The Android Open Source Project
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-cc_library_shared {
-    name: "android.hardware.audio.common@2.0-util",
-    defaults: ["hidl_defaults"],
-    vendor_available: true,
-    vndk: {
-        enabled: true,
-    },
-    srcs: [
-        "HidlUtils.cpp",
-    ],
-
-    export_include_dirs: ["."],
-
-    static_libs: [
-    ],
-
-    shared_libs: [
-        "liblog",
-        "libutils",
-        "libhidlbase",
-        "android.hardware.audio.common-util",
-        "android.hardware.audio.common@2.0",
-    ],
-    export_shared_lib_headers: [
-        "android.hardware.audio.common-util"
-    ],
-
-    header_libs: [
-        "libaudio_system_headers",
-        "libhardware_headers",
-    ],
-}
diff --git a/audio/common/2.0/default/HidlUtils.cpp b/audio/common/2.0/default/HidlUtils.cpp
deleted file mode 100644
index 9771b7b..0000000
--- a/audio/common/2.0/default/HidlUtils.cpp
+++ /dev/null
@@ -1,21 +0,0 @@
-/*
- * Copyright (C) 2016 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "HidlUtils.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <common/all-versions/default/HidlUtils.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/common/2.0/default/HidlUtils.h b/audio/common/2.0/default/HidlUtils.h
deleted file mode 100644
index 24543b1..0000000
--- a/audio/common/2.0/default/HidlUtils.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Copyright (C) 2016 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef android_hardware_audio_V2_0_Hidl_Utils_H_
-#define android_hardware_audio_V2_0_Hidl_Utils_H_
-
-#include <android/hardware/audio/common/2.0/types.h>
-
-#define AUDIO_HAL_VERSION V2_0
-#include <common/all-versions/default/HidlUtils.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // android_hardware_audio_V2_0_Hidl_Utils_H_
diff --git a/audio/common/2.0/default/VersionUtils.h b/audio/common/2.0/default/VersionUtils.h
deleted file mode 100644
index 60d1f9c..0000000
--- a/audio/common/2.0/default/VersionUtils.h
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_VERSION_UTILS_H
-#define ANDROID_HARDWARE_AUDIO_EFFECT_VERSION_UTILS_H
-
-#include <android/hardware/audio/common/2.0/types.h>
-
-namespace android {
-namespace hardware {
-namespace audio {
-namespace common {
-namespace V2_0 {
-namespace implementation {
-
-typedef common::V2_0::AudioDevice AudioDeviceBitfield;
-typedef common::V2_0::AudioChannelMask AudioChannelBitfield;
-typedef common::V2_0::AudioOutputFlag AudioOutputFlagBitfield;
-typedef common::V2_0::AudioInputFlag AudioInputFlagBitfield;
-
-}  // namespace implementation
-}  // namespace V2_0
-}  // namespace common
-}  // namespace audio
-}  // namespace hardware
-}  // namespace android
-
-#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_VERSION_UTILS_H
diff --git a/audio/common/4.0/default/Android.bp b/audio/common/4.0/default/Android.bp
deleted file mode 100644
index 57b2e01..0000000
--- a/audio/common/4.0/default/Android.bp
+++ /dev/null
@@ -1,47 +0,0 @@
-//
-// Copyright (C) 2018 The Android Open Source Project
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-cc_library_shared {
-    name: "android.hardware.audio.common@4.0-util",
-    defaults: ["hidl_defaults"],
-    vendor_available: true,
-    vndk: {
-        enabled: true,
-    },
-    srcs: [
-        "HidlUtils.cpp",
-    ],
-
-    export_include_dirs: ["."],
-
-    static_libs: [
-    ],
-
-    shared_libs: [
-        "liblog",
-        "libutils",
-        "libhidlbase",
-        "android.hardware.audio.common-util",
-        "android.hardware.audio.common@4.0",
-    ],
-    export_shared_lib_headers: [
-        "android.hardware.audio.common-util"
-    ],
-
-    header_libs: [
-        "libaudio_system_headers",
-        "libhardware_headers",
-    ],
-}
diff --git a/audio/common/4.0/default/HidlUtils.cpp b/audio/common/4.0/default/HidlUtils.cpp
deleted file mode 100644
index b66eff9..0000000
--- a/audio/common/4.0/default/HidlUtils.cpp
+++ /dev/null
@@ -1,21 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "HidlUtils.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <common/all-versions/default/HidlUtils.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/common/4.0/default/HidlUtils.h b/audio/common/4.0/default/HidlUtils.h
deleted file mode 100644
index 91e6a9e..0000000
--- a/audio/common/4.0/default/HidlUtils.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef android_hardware_audio_V4_0_Hidl_Utils_H_
-#define android_hardware_audio_V4_0_Hidl_Utils_H_
-
-#include <android/hardware/audio/common/4.0/types.h>
-
-#define AUDIO_HAL_VERSION V4_0
-#include <common/all-versions/default/HidlUtils.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // android_hardware_audio_V4_0_Hidl_Utils_H_
diff --git a/audio/common/4.0/default/OWNERS b/audio/common/4.0/default/OWNERS
deleted file mode 100644
index 6fdc97c..0000000
--- a/audio/common/4.0/default/OWNERS
+++ /dev/null
@@ -1,3 +0,0 @@
-elaurent@google.com
-krocard@google.com
-mnaganov@google.com
diff --git a/audio/common/4.0/default/VersionUtils.h b/audio/common/4.0/default/VersionUtils.h
deleted file mode 100644
index b7f2aec..0000000
--- a/audio/common/4.0/default/VersionUtils.h
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_VERSION_UTILS_H
-#define ANDROID_HARDWARE_AUDIO_EFFECT_VERSION_UTILS_H
-
-#include <android/hardware/audio/common/4.0/types.h>
-
-namespace android {
-namespace hardware {
-namespace audio {
-namespace common {
-namespace V4_0 {
-namespace implementation {
-
-typedef hidl_bitfield<common::V4_0::AudioDevice> AudioDeviceBitfield;
-typedef hidl_bitfield<common::V4_0::AudioChannelMask> AudioChannelBitfield;
-typedef hidl_bitfield<common::V4_0::AudioOutputFlag> AudioOutputFlagBitfield;
-typedef hidl_bitfield<common::V4_0::AudioInputFlag> AudioInputFlagBitfield;
-
-}  // namespace implementation
-}  // namespace V4_0
-}  // namespace common
-}  // namespace audio
-}  // namespace hardware
-}  // namespace android
-
-#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_VERSION_UTILS_H
diff --git a/audio/common/all-versions/default/Android.bp b/audio/common/all-versions/default/Android.bp
index c24f4b0..6b09d54 100644
--- a/audio/common/all-versions/default/Android.bp
+++ b/audio/common/all-versions/default/Android.bp
@@ -38,3 +38,73 @@
         "android.hardware.audio.common.util@all-versions",
     ]
 }
+
+cc_library_shared {
+    name: "android.hardware.audio.common@2.0-util",
+    defaults: ["hidl_defaults"],
+    vendor_available: true,
+    srcs: [
+        "HidlUtils.cpp",
+    ],
+
+    export_include_dirs: ["."],
+
+    static_libs: [
+    ],
+
+    shared_libs: [
+        "liblog",
+        "libutils",
+        "libhidlbase",
+        "android.hardware.audio.common-util",
+        "android.hardware.audio.common@2.0",
+    ],
+    export_shared_lib_headers: [
+        "android.hardware.audio.common-util"
+    ],
+
+    header_libs: [
+        "libaudio_system_headers",
+        "libhardware_headers",
+    ],
+    cflags: [
+        "-DMAJOR_VERSION=2",
+        "-DMINOR_VERSION=0",
+        "-include common/all-versions/VersionMacro.h",
+    ]
+}
+
+cc_library_shared {
+    name: "android.hardware.audio.common@4.0-util",
+    defaults: ["hidl_defaults"],
+    vendor_available: true,
+    srcs: [
+        "HidlUtils.cpp",
+    ],
+
+    export_include_dirs: ["."],
+
+    static_libs: [
+    ],
+
+    shared_libs: [
+        "liblog",
+        "libutils",
+        "libhidlbase",
+        "android.hardware.audio.common-util",
+        "android.hardware.audio.common@4.0",
+    ],
+    export_shared_lib_headers: [
+        "android.hardware.audio.common-util"
+    ],
+
+    header_libs: [
+        "libaudio_system_headers",
+        "libhardware_headers",
+    ],
+    cflags: [
+        "-DMAJOR_VERSION=4",
+        "-DMINOR_VERSION=0",
+        "-include common/all-versions/VersionMacro.h",
+    ]
+}
diff --git a/audio/common/all-versions/default/EffectMap.cpp b/audio/common/all-versions/default/EffectMap.cpp
index 7f8da1e..cb3e3d5 100644
--- a/audio/common/all-versions/default/EffectMap.cpp
+++ b/audio/common/all-versions/default/EffectMap.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/audio/common/all-versions/default/include/common/all-versions/default/HidlUtils.impl.h b/audio/common/all-versions/default/HidlUtils.cpp
similarity index 92%
rename from audio/common/all-versions/default/include/common/all-versions/default/HidlUtils.impl.h
rename to audio/common/all-versions/default/HidlUtils.cpp
index 03b50b5..5ed059c 100644
--- a/audio/common/all-versions/default/include/common/all-versions/default/HidlUtils.impl.h
+++ b/audio/common/all-versions/default/HidlUtils.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,24 +14,22 @@
  * limitations under the License.
  */
 
-#ifndef AUDIO_HAL_VERSION
-#error "AUDIO_HAL_VERSION must be set before including this file."
-#endif
+#include "HidlUtils.h"
 
 #include <common/all-versions/VersionUtils.h>
 #include <string.h>
 
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioChannelMask;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioDevice;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioFormat;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioGainMode;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioMixLatencyClass;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioPortConfigMask;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioPortRole;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioPortType;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioSource;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioStreamType;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioUsage;
+using ::android::hardware::audio::common::CPP_VERSION::AudioChannelMask;
+using ::android::hardware::audio::common::CPP_VERSION::AudioDevice;
+using ::android::hardware::audio::common::CPP_VERSION::AudioFormat;
+using ::android::hardware::audio::common::CPP_VERSION::AudioGainMode;
+using ::android::hardware::audio::common::CPP_VERSION::AudioMixLatencyClass;
+using ::android::hardware::audio::common::CPP_VERSION::AudioPortConfigMask;
+using ::android::hardware::audio::common::CPP_VERSION::AudioPortRole;
+using ::android::hardware::audio::common::CPP_VERSION::AudioPortType;
+using ::android::hardware::audio::common::CPP_VERSION::AudioSource;
+using ::android::hardware::audio::common::CPP_VERSION::AudioStreamType;
+using ::android::hardware::audio::common::CPP_VERSION::AudioUsage;
 
 using ::android::hardware::audio::common::utils::EnumBitfield;
 
@@ -39,7 +37,7 @@
 namespace hardware {
 namespace audio {
 namespace common {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 
 void HidlUtils::audioConfigFromHal(const audio_config_t& halConfig, AudioConfig* config) {
     config->sampleRateHz = halConfig.sample_rate;
@@ -358,7 +356,7 @@
     memcpy(halUuid->node, uuid.node.data(), uuid.node.size());
 }
 
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace common
 }  // namespace audio
 }  // namespace hardware
diff --git a/audio/common/all-versions/default/include/common/all-versions/default/HidlUtils.h b/audio/common/all-versions/default/HidlUtils.h
similarity index 78%
rename from audio/common/all-versions/default/include/common/all-versions/default/HidlUtils.h
rename to audio/common/all-versions/default/HidlUtils.h
index 48fa545..77c8b89 100644
--- a/audio/common/all-versions/default/include/common/all-versions/default/HidlUtils.h
+++ b/audio/common/all-versions/default/HidlUtils.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,28 +14,29 @@
  * limitations under the License.
  */
 
-#ifndef AUDIO_HAL_VERSION
-#error "AUDIO_HAL_VERSION must be set before including this file."
-#endif
+#ifndef android_hardware_audio_Hidl_Utils_H_
+#define android_hardware_audio_Hidl_Utils_H_
+
+#include PATH(android/hardware/audio/common/FILE_VERSION/types.h)
 
 #include <memory>
 
 #include <system/audio.h>
 
 using ::android::hardware::hidl_vec;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioConfig;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioGain;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioGainConfig;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioOffloadInfo;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioPort;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioPortConfig;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::Uuid;
+using ::android::hardware::audio::common::CPP_VERSION::AudioConfig;
+using ::android::hardware::audio::common::CPP_VERSION::AudioGain;
+using ::android::hardware::audio::common::CPP_VERSION::AudioGainConfig;
+using ::android::hardware::audio::common::CPP_VERSION::AudioOffloadInfo;
+using ::android::hardware::audio::common::CPP_VERSION::AudioPort;
+using ::android::hardware::audio::common::CPP_VERSION::AudioPortConfig;
+using ::android::hardware::audio::common::CPP_VERSION::Uuid;
 
 namespace android {
 namespace hardware {
 namespace audio {
 namespace common {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 
 class HidlUtils {
    public:
@@ -68,8 +69,10 @@
     static void uuidToHal(const Uuid& uuid, audio_uuid_t* halUuid);
 };
 
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace common
 }  // namespace audio
 }  // namespace hardware
 }  // namespace android
+
+#endif  // android_hardware_audio_Hidl_Utils_H_
diff --git a/audio/common/2.0/default/OWNERS b/audio/common/all-versions/default/OWNERS
similarity index 100%
rename from audio/common/2.0/default/OWNERS
rename to audio/common/all-versions/default/OWNERS
diff --git a/audio/common/all-versions/default/VersionUtils.h b/audio/common/all-versions/default/VersionUtils.h
new file mode 100644
index 0000000..4726b5b
--- /dev/null
+++ b/audio/common/all-versions/default/VersionUtils.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_VERSION_UTILS_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_VERSION_UTILS_H
+
+#include PATH(android/hardware/audio/common/FILE_VERSION/types.h)
+
+namespace android {
+namespace hardware {
+namespace audio {
+namespace common {
+namespace CPP_VERSION {
+namespace implementation {
+
+#if MAJOR_VERSION == 2
+typedef common::CPP_VERSION::AudioDevice AudioDeviceBitfield;
+typedef common::CPP_VERSION::AudioChannelMask AudioChannelBitfield;
+typedef common::CPP_VERSION::AudioOutputFlag AudioOutputFlagBitfield;
+typedef common::CPP_VERSION::AudioInputFlag AudioInputFlagBitfield;
+#elif MAJOR_VERSION == 4
+typedef hidl_bitfield<common::CPP_VERSION::AudioDevice> AudioDeviceBitfield;
+typedef hidl_bitfield<common::CPP_VERSION::AudioChannelMask> AudioChannelBitfield;
+typedef hidl_bitfield<common::CPP_VERSION::AudioOutputFlag> AudioOutputFlagBitfield;
+typedef hidl_bitfield<common::CPP_VERSION::AudioInputFlag> AudioInputFlagBitfield;
+#endif
+
+}  // namespace implementation
+}  // namespace CPP_VERSION
+}  // namespace common
+}  // namespace audio
+}  // namespace hardware
+}  // namespace android
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_VERSION_UTILS_H
diff --git a/audio/common/all-versions/default/include/common/all-versions/default/EffectMap.h b/audio/common/all-versions/default/include/common/all-versions/default/EffectMap.h
index 547c6d5..7f630bf 100644
--- a/audio/common/all-versions/default/include/common/all-versions/default/EffectMap.h
+++ b/audio/common/all-versions/default/include/common/all-versions/default/EffectMap.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/audio/common/all-versions/test/utility/include/utility/AssertOk.h b/audio/common/all-versions/test/utility/include/utility/AssertOk.h
index 11e1c24..5ac2fdc 100644
--- a/audio/common/all-versions/test/utility/include/utility/AssertOk.h
+++ b/audio/common/all-versions/test/utility/include/utility/AssertOk.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/audio/common/all-versions/test/utility/include/utility/Documentation.h b/audio/common/all-versions/test/utility/include/utility/Documentation.h
index e10cf79..1b555b9 100644
--- a/audio/common/all-versions/test/utility/include/utility/Documentation.h
+++ b/audio/common/all-versions/test/utility/include/utility/Documentation.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/audio/common/all-versions/test/utility/include/utility/EnvironmentTearDown.h b/audio/common/all-versions/test/utility/include/utility/EnvironmentTearDown.h
index 7a08a54..0e416f3 100644
--- a/audio/common/all-versions/test/utility/include/utility/EnvironmentTearDown.h
+++ b/audio/common/all-versions/test/utility/include/utility/EnvironmentTearDown.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/audio/common/all-versions/test/utility/include/utility/PrettyPrintAudioTypes.h b/audio/common/all-versions/test/utility/include/utility/PrettyPrintAudioTypes.h
index abc2ff5..3833fd0 100644
--- a/audio/common/all-versions/test/utility/include/utility/PrettyPrintAudioTypes.h
+++ b/audio/common/all-versions/test/utility/include/utility/PrettyPrintAudioTypes.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,10 +14,6 @@
  * limitations under the License.
  */
 
-#ifndef AUDIO_HAL_VERSION
-#error "AUDIO_HAL_VERSION must be set before including this file."
-#endif
-
 #ifndef ANDROID_HARDWARE_AUDIO_COMMON_TEST_UTILITY_PRETTY_PRINT_AUDIO_TYPES_H
 #define ANDROID_HARDWARE_AUDIO_COMMON_TEST_UTILITY_PRETTY_PRINT_AUDIO_TYPES_H
 
@@ -40,19 +36,19 @@
 #define DEFINE_GTEST_PRINT_TO(T) \
     inline void PrintTo(const T& val, ::std::ostream* os) { *os << toString(val); }
 
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 DEFINE_GTEST_PRINT_TO(IPrimaryDevice::TtyMode)
 DEFINE_GTEST_PRINT_TO(Result)
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 
 namespace common {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 DEFINE_GTEST_PRINT_TO(AudioConfig)
 DEFINE_GTEST_PRINT_TO(AudioMode)
 DEFINE_GTEST_PRINT_TO(AudioDevice)
 DEFINE_GTEST_PRINT_TO(AudioFormat)
 DEFINE_GTEST_PRINT_TO(AudioChannelMask)
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace common
 
 #undef DEFINE_GTEST_PRINT_TO
diff --git a/audio/common/all-versions/test/utility/include/utility/ReturnIn.h b/audio/common/all-versions/test/utility/include/utility/ReturnIn.h
index 7fd0d4a..de16809 100644
--- a/audio/common/all-versions/test/utility/include/utility/ReturnIn.h
+++ b/audio/common/all-versions/test/utility/include/utility/ReturnIn.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/audio/common/all-versions/test/utility/include/utility/ValidateXml.h b/audio/common/all-versions/test/utility/include/utility/ValidateXml.h
index 91adfc1..ee206f7 100644
--- a/audio/common/all-versions/test/utility/include/utility/ValidateXml.h
+++ b/audio/common/all-versions/test/utility/include/utility/ValidateXml.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/audio/common/all-versions/test/utility/src/ValidateXml.cpp b/audio/common/all-versions/test/utility/src/ValidateXml.cpp
index 1a906d6..e54914d 100644
--- a/audio/common/all-versions/test/utility/src/ValidateXml.cpp
+++ b/audio/common/all-versions/test/utility/src/ValidateXml.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/audio/common/all-versions/util/include/common/all-versions/IncludeGuard.h b/audio/common/all-versions/util/include/common/all-versions/IncludeGuard.h
deleted file mode 100644
index 2d54816..0000000
--- a/audio/common/all-versions/util/include/common/all-versions/IncludeGuard.h
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef AUDIO_HAL_VERSION
-#error "AUDIO_HAL_VERSION must be set before including this file."
-#endif
diff --git a/audio/core/2.0/default/Android.bp b/audio/core/2.0/default/Android.bp
deleted file mode 100644
index 625df74..0000000
--- a/audio/core/2.0/default/Android.bp
+++ /dev/null
@@ -1,53 +0,0 @@
-cc_library_shared {
-    name: "android.hardware.audio@2.0-impl",
-    relative_install_path: "hw",
-    proprietary: true,
-    vendor: true,
-    srcs: [
-        "Conversions.cpp",
-        "Device.cpp",
-        "DevicesFactory.cpp",
-        "ParametersUtil.cpp",
-        "PrimaryDevice.cpp",
-        "Stream.cpp",
-        "StreamIn.cpp",
-        "StreamOut.cpp",
-    ],
-
-    cflags: [
-        "-DAUDIO_HAL_VERSION_2_0",
-    ],
-
-    defaults: ["hidl_defaults"],
-
-    export_include_dirs: ["include"],
-
-    shared_libs: [
-        "libbase",
-        "libcutils",
-        "libfmq",
-        "libhardware",
-        "libhidlbase",
-        "libhidltransport",
-        "liblog",
-        "libutils",
-        "android.hardware.audio@2.0",
-        "android.hardware.audio.common@2.0",
-        "android.hardware.audio.common@2.0-util",
-        "android.hardware.audio.common-util",
-    ],
-
-    header_libs: [
-        "android.hardware.audio.common.util@all-versions",
-        "android.hardware.audio.core@all-versions-impl",
-        "libaudioclient_headers",
-        "libaudio_system_headers",
-        "libhardware_headers",
-        "libmedia_headers",
-    ],
-
-    whole_static_libs: [
-        "libmedia_helper",
-    ],
-
-}
diff --git a/audio/core/2.0/default/Conversions.cpp b/audio/core/2.0/default/Conversions.cpp
deleted file mode 100644
index 6c32090..0000000
--- a/audio/core/2.0/default/Conversions.cpp
+++ /dev/null
@@ -1,21 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "core/2.0/default/Conversions.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <core/all-versions/default/Conversions.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/core/2.0/default/Device.cpp b/audio/core/2.0/default/Device.cpp
deleted file mode 100644
index b67203d..0000000
--- a/audio/core/2.0/default/Device.cpp
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "DeviceHAL"
-
-#include "core/2.0/default/Device.h"
-#include <HidlUtils.h>
-#include "core/2.0/default/Conversions.h"
-#include "core/2.0/default/StreamIn.h"
-#include "core/2.0/default/StreamOut.h"
-#include "core/2.0/default/Util.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <core/all-versions/default/Device.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/core/2.0/default/DevicesFactory.cpp b/audio/core/2.0/default/DevicesFactory.cpp
deleted file mode 100644
index 65a9ccd..0000000
--- a/audio/core/2.0/default/DevicesFactory.cpp
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "DevicesFactoryHAL"
-
-#include "core/2.0/default/DevicesFactory.h"
-#include "core/2.0/default/Device.h"
-#include "core/2.0/default/PrimaryDevice.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <core/all-versions/default/DevicesFactory.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/core/2.0/default/OWNERS b/audio/core/2.0/default/OWNERS
deleted file mode 100644
index 6fdc97c..0000000
--- a/audio/core/2.0/default/OWNERS
+++ /dev/null
@@ -1,3 +0,0 @@
-elaurent@google.com
-krocard@google.com
-mnaganov@google.com
diff --git a/audio/core/2.0/default/ParametersUtil.cpp b/audio/core/2.0/default/ParametersUtil.cpp
deleted file mode 100644
index 602b212..0000000
--- a/audio/core/2.0/default/ParametersUtil.cpp
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "core/2.0/default/ParametersUtil.h"
-#include "core/2.0/default/Conversions.h"
-#include "core/2.0/default/Util.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <core/all-versions/default/ParametersUtil.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/core/2.0/default/PrimaryDevice.cpp b/audio/core/2.0/default/PrimaryDevice.cpp
deleted file mode 100644
index decaa14..0000000
--- a/audio/core/2.0/default/PrimaryDevice.cpp
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "PrimaryDeviceHAL"
-
-#include "core/2.0/default/PrimaryDevice.h"
-#include "core/2.0/default/Util.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <core/all-versions/default/PrimaryDevice.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/core/2.0/default/Stream.cpp b/audio/core/2.0/default/Stream.cpp
deleted file mode 100644
index 0863a7c..0000000
--- a/audio/core/2.0/default/Stream.cpp
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "StreamHAL"
-
-#include "core/2.0/default/Stream.h"
-#include "common/all-versions/default/EffectMap.h"
-#include "core/2.0/default/Conversions.h"
-#include "core/2.0/default/Util.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <core/all-versions/default/Stream.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/core/2.0/default/StreamIn.cpp b/audio/core/2.0/default/StreamIn.cpp
deleted file mode 100644
index cfd2abb..0000000
--- a/audio/core/2.0/default/StreamIn.cpp
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "StreamInHAL"
-
-#include "core/2.0/default/StreamIn.h"
-#include "core/2.0/default/Conversions.h"
-#include "core/2.0/default/Util.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <core/all-versions/default/StreamIn.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/core/2.0/default/StreamOut.cpp b/audio/core/2.0/default/StreamOut.cpp
deleted file mode 100644
index 940a251..0000000
--- a/audio/core/2.0/default/StreamOut.cpp
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "StreamOutHAL"
-
-#include "core/2.0/default/StreamOut.h"
-#include "core/2.0/default/Util.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <core/all-versions/default/StreamOut.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/core/2.0/default/include/core/2.0/default/Conversions.h b/audio/core/2.0/default/include/core/2.0/default/Conversions.h
deleted file mode 100644
index b3a6ea8..0000000
--- a/audio/core/2.0/default/include/core/2.0/default/Conversions.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_V2_0_CONVERSIONS_H_
-#define ANDROID_HARDWARE_AUDIO_V2_0_CONVERSIONS_H_
-
-#include <android/hardware/audio/2.0/types.h>
-
-#define AUDIO_HAL_VERSION V2_0
-#include <core/all-versions/default/Conversions.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_V2_0_CONVERSIONS_H_
diff --git a/audio/core/2.0/default/include/core/2.0/default/Device.h b/audio/core/2.0/default/include/core/2.0/default/Device.h
deleted file mode 100644
index 3ec7464..0000000
--- a/audio/core/2.0/default/include/core/2.0/default/Device.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_V2_0_DEVICE_H
-#define ANDROID_HARDWARE_AUDIO_V2_0_DEVICE_H
-
-#include <android/hardware/audio/2.0/IDevice.h>
-
-#include "ParametersUtil.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <core/all-versions/default/Device.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_V2_0_DEVICE_H
diff --git a/audio/core/2.0/default/include/core/2.0/default/DevicesFactory.h b/audio/core/2.0/default/include/core/2.0/default/DevicesFactory.h
deleted file mode 100644
index 8e8ee88..0000000
--- a/audio/core/2.0/default/include/core/2.0/default/DevicesFactory.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_V2_0_DEVICESFACTORY_H
-#define ANDROID_HARDWARE_AUDIO_V2_0_DEVICESFACTORY_H
-
-#include <android/hardware/audio/2.0/IDevicesFactory.h>
-
-#define AUDIO_HAL_VERSION V2_0
-#include <core/all-versions/default/DevicesFactory.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_V2_0_DEVICESFACTORY_H
diff --git a/audio/core/2.0/default/include/core/2.0/default/ParametersUtil.h b/audio/core/2.0/default/include/core/2.0/default/ParametersUtil.h
deleted file mode 100644
index a5c1c78..0000000
--- a/audio/core/2.0/default/include/core/2.0/default/ParametersUtil.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_V2_0_PARAMETERS_UTIL_H_
-#define ANDROID_HARDWARE_AUDIO_V2_0_PARAMETERS_UTIL_H_
-
-#include <android/hardware/audio/2.0/types.h>
-
-#define AUDIO_HAL_VERSION V2_0
-#include <core/all-versions/default/ParametersUtil.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_V2_0_PARAMETERS_UTIL_H_
diff --git a/audio/core/2.0/default/include/core/2.0/default/PrimaryDevice.h b/audio/core/2.0/default/include/core/2.0/default/PrimaryDevice.h
deleted file mode 100644
index f898597..0000000
--- a/audio/core/2.0/default/include/core/2.0/default/PrimaryDevice.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_V2_0_PRIMARYDEVICE_H
-#define ANDROID_HARDWARE_AUDIO_V2_0_PRIMARYDEVICE_H
-
-#include <android/hardware/audio/2.0/IPrimaryDevice.h>
-
-#include "Device.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <core/all-versions/default/PrimaryDevice.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_V2_0_PRIMARYDEVICE_H
diff --git a/audio/core/2.0/default/include/core/2.0/default/Stream.h b/audio/core/2.0/default/include/core/2.0/default/Stream.h
deleted file mode 100644
index a2d8456..0000000
--- a/audio/core/2.0/default/include/core/2.0/default/Stream.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_V2_0_STREAM_H
-#define ANDROID_HARDWARE_AUDIO_V2_0_STREAM_H
-
-#include <android/hardware/audio/2.0/IStream.h>
-
-#include "ParametersUtil.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <core/all-versions/default/Stream.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_V2_0_STREAM_H
diff --git a/audio/core/2.0/default/include/core/2.0/default/StreamIn.h b/audio/core/2.0/default/include/core/2.0/default/StreamIn.h
deleted file mode 100644
index c36abbd..0000000
--- a/audio/core/2.0/default/include/core/2.0/default/StreamIn.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_V2_0_STREAMIN_H
-#define ANDROID_HARDWARE_AUDIO_V2_0_STREAMIN_H
-
-#include <android/hardware/audio/2.0/IStreamIn.h>
-
-#include "Device.h"
-#include "Stream.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <core/all-versions/default/StreamIn.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_V2_0_STREAMIN_H
diff --git a/audio/core/2.0/default/include/core/2.0/default/StreamOut.h b/audio/core/2.0/default/include/core/2.0/default/StreamOut.h
deleted file mode 100644
index ab35687..0000000
--- a/audio/core/2.0/default/include/core/2.0/default/StreamOut.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_V2_0_STREAMOUT_H
-#define ANDROID_HARDWARE_AUDIO_V2_0_STREAMOUT_H
-
-#include <android/hardware/audio/2.0/IStreamOut.h>
-
-#include "Device.h"
-#include "Stream.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <core/all-versions/default/StreamOut.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_V2_0_STREAMOUT_H
diff --git a/audio/core/2.0/default/include/core/2.0/default/Util.h b/audio/core/2.0/default/include/core/2.0/default/Util.h
deleted file mode 100644
index 1f0e284..0000000
--- a/audio/core/2.0/default/include/core/2.0/default/Util.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_V2_0_UTIL_H
-#define ANDROID_HARDWARE_AUDIO_V2_0_UTIL_H
-
-#include <android/hardware/audio/2.0/types.h>
-
-#define AUDIO_HAL_VERSION V2_0
-#include <core/all-versions/default/Util.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_V2_0_UTIL_H
diff --git a/audio/core/2.0/vts/functional/Android.bp b/audio/core/2.0/vts/functional/Android.bp
deleted file mode 100644
index 2f54617..0000000
--- a/audio/core/2.0/vts/functional/Android.bp
+++ /dev/null
@@ -1,39 +0,0 @@
-//
-// Copyright (C) 2017 The Android Open Source Project
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
-
-cc_test {
-    name: "VtsHalAudioV2_0TargetTest",
-    defaults: ["VtsHalTargetTestDefaults"],
-    srcs: [
-        "2.0/AudioPrimaryHidlHalTest.cpp",
-        "ValidateAudioConfiguration.cpp"
-    ],
-    static_libs: [
-        "android.hardware.audio.common.test.utility",
-        "android.hardware.audio@2.0",
-        "android.hardware.audio.common@2.0",
-        "libicuuc",
-        "libicuuc_stubdata",
-        "libxml2",
-    ],
-    shared_libs: [
-        "libfmq",
-    ],
-    header_libs: [
-        "android.hardware.audio.common.util@all-versions",
-    ],
-    test_suites: ["general-tests"],
-}
diff --git a/audio/core/2.0/vts/functional/AudioPrimaryHidlHalTest.h b/audio/core/2.0/vts/functional/AudioPrimaryHidlHalTest.h
deleted file mode 100644
index 686f632..0000000
--- a/audio/core/2.0/vts/functional/AudioPrimaryHidlHalTest.h
+++ /dev/null
@@ -1,1254 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "VtsHalAudioV2_0TargetTest"
-
-#include <algorithm>
-#include <cmath>
-#include <cstddef>
-#include <cstdio>
-#include <initializer_list>
-#include <limits>
-#include <list>
-#include <string>
-#include <vector>
-
-#include <fcntl.h>
-#include <unistd.h>
-
-#include <hwbinder/IPCThreadState.h>
-
-#include <VtsHalHidlTargetTestBase.h>
-
-#include <android-base/logging.h>
-
-#include <android/hardware/audio/2.0/IDevice.h>
-#include <android/hardware/audio/2.0/IDevicesFactory.h>
-#include <android/hardware/audio/2.0/IPrimaryDevice.h>
-#include <android/hardware/audio/2.0/types.h>
-#include <android/hardware/audio/common/2.0/types.h>
-#include <fmq/EventFlag.h>
-#include <fmq/MessageQueue.h>
-
-#include <common/all-versions/VersionUtils.h>
-
-#include "utility/AssertOk.h"
-#include "utility/Documentation.h"
-#include "utility/EnvironmentTearDown.h"
-#define AUDIO_HAL_VERSION V2_0
-#include "utility/PrettyPrintAudioTypes.h"
-#include "utility/ReturnIn.h"
-
-/** Provide version specific functions that are used in the generic tests */
-#include "2.0/AudioPrimaryHidlHalUtils.h"
-
-using std::initializer_list;
-using std::list;
-using std::string;
-using std::to_string;
-using std::vector;
-
-using ::android::sp;
-using ::android::hardware::EventFlag;
-using ::android::hardware::hidl_bitfield;
-using ::android::hardware::hidl_enum_range;
-using ::android::hardware::hidl_handle;
-using ::android::hardware::hidl_string;
-using ::android::hardware::hidl_vec;
-using ::android::hardware::IPCThreadState;
-using ::android::hardware::kSynchronizedReadWrite;
-using ::android::hardware::MessageQueue;
-using ::android::hardware::MQDescriptorSync;
-using ::android::hardware::Return;
-using ::android::hardware::audio::V2_0::AudioDrain;
-using ::android::hardware::audio::V2_0::DeviceAddress;
-using ::android::hardware::audio::V2_0::IDevice;
-using ::android::hardware::audio::V2_0::IPrimaryDevice;
-using TtyMode = ::android::hardware::audio::V2_0::IPrimaryDevice::TtyMode;
-using ::android::hardware::audio::V2_0::IDevicesFactory;
-using ::android::hardware::audio::V2_0::IStream;
-using ::android::hardware::audio::V2_0::IStreamIn;
-using ::android::hardware::audio::V2_0::MessageQueueFlagBits;
-using ::android::hardware::audio::V2_0::TimeSpec;
-using ReadParameters = ::android::hardware::audio::V2_0::IStreamIn::ReadParameters;
-using ReadStatus = ::android::hardware::audio::V2_0::IStreamIn::ReadStatus;
-using ::android::hardware::audio::common::utils::mkEnumBitfield;
-using ::android::hardware::audio::common::V2_0::AudioChannelMask;
-using ::android::hardware::audio::common::V2_0::AudioConfig;
-using ::android::hardware::audio::common::V2_0::AudioDevice;
-using ::android::hardware::audio::common::V2_0::AudioFormat;
-using ::android::hardware::audio::common::V2_0::AudioHandleConsts;
-using ::android::hardware::audio::common::V2_0::AudioHwSync;
-using ::android::hardware::audio::common::V2_0::AudioInputFlag;
-using ::android::hardware::audio::common::V2_0::AudioIoHandle;
-using ::android::hardware::audio::common::V2_0::AudioMode;
-using ::android::hardware::audio::common::V2_0::AudioOffloadInfo;
-using ::android::hardware::audio::common::V2_0::AudioOutputFlag;
-using ::android::hardware::audio::common::V2_0::AudioSource;
-using ::android::hardware::audio::common::V2_0::ThreadInfo;
-using ::android::hardware::audio::V2_0::IStreamOut;
-using ::android::hardware::audio::V2_0::IStreamOutCallback;
-using ::android::hardware::audio::V2_0::MmapBufferInfo;
-using ::android::hardware::audio::V2_0::MmapPosition;
-using ::android::hardware::audio::V2_0::ParameterValue;
-using ::android::hardware::audio::V2_0::Result;
-
-using namespace ::android::hardware::audio::common::test::utility;
-
-// Typical accepted results from interface methods
-static auto okOrNotSupported = {Result::OK, Result::NOT_SUPPORTED};
-static auto okOrNotSupportedOrInvalidArgs = {Result::OK, Result::NOT_SUPPORTED,
-                                             Result::INVALID_ARGUMENTS};
-static auto okOrInvalidStateOrNotSupported = {Result::OK, Result::INVALID_STATE,
-                                              Result::NOT_SUPPORTED};
-static auto invalidArgsOrNotSupported = {Result::INVALID_ARGUMENTS, Result::NOT_SUPPORTED};
-static auto invalidStateOrNotSupported = {Result::INVALID_STATE, Result::NOT_SUPPORTED};
-
-class AudioHidlTestEnvironment : public ::Environment {
-   public:
-    virtual void registerTestServices() override { registerTestService<IDevicesFactory>(); }
-};
-
-// Instance to register global tearDown
-static AudioHidlTestEnvironment* environment;
-
-class HidlTest : public ::testing::VtsHalHidlTargetTestBase {
-   protected:
-    // Convenient member to store results
-    Result res;
-};
-
-//////////////////////////////////////////////////////////////////////////////
-////////////////////// getService audio_devices_factory //////////////////////
-//////////////////////////////////////////////////////////////////////////////
-
-// Test all audio devices
-class AudioHidlTest : public HidlTest {
-   public:
-    void SetUp() override {
-        ASSERT_NO_FATAL_FAILURE(HidlTest::SetUp());  // setup base
-
-        if (devicesFactory == nullptr) {
-            environment->registerTearDown([] { devicesFactory.clear(); });
-            devicesFactory = ::testing::VtsHalHidlTargetTestBase::getService<IDevicesFactory>(
-                environment->getServiceName<IDevicesFactory>("default"));
-        }
-        ASSERT_TRUE(devicesFactory != nullptr);
-    }
-
-   protected:
-    // Cache the devicesFactory retrieval to speed up each test by ~0.5s
-    static sp<IDevicesFactory> devicesFactory;
-};
-sp<IDevicesFactory> AudioHidlTest::devicesFactory;
-
-TEST_F(AudioHidlTest, GetAudioDevicesFactoryService) {
-    doc::test("Test the getService (called in SetUp)");
-}
-
-TEST_F(AudioHidlTest, OpenDeviceInvalidParameter) {
-    doc::test("Test passing an invalid parameter to openDevice");
-    Result result;
-    sp<IDevice> device;
-    auto invalidDevice = IDevicesFactory::Device(-1);
-    ASSERT_OK(devicesFactory->openDevice(invalidDevice, returnIn(result, device)));
-    ASSERT_EQ(Result::INVALID_ARGUMENTS, result);
-    ASSERT_TRUE(device == nullptr);
-}
-
-//////////////////////////////////////////////////////////////////////////////
-/////////////////////////////// openDevice primary ///////////////////////////
-//////////////////////////////////////////////////////////////////////////////
-
-// Test the primary device
-class AudioPrimaryHidlTest : public AudioHidlTest {
-   public:
-    /** Primary HAL test are NOT thread safe. */
-    void SetUp() override {
-        ASSERT_NO_FATAL_FAILURE(AudioHidlTest::SetUp());  // setup base
-
-        if (device == nullptr) {
-            initPrimaryDevice();
-            ASSERT_TRUE(device != nullptr);
-            environment->registerTearDown([] { device.clear(); });
-        }
-    }
-
-   protected:
-    // Cache the device opening to speed up each test by ~0.5s
-    static sp<IPrimaryDevice> device;
-
-   private:
-    void initPrimaryDevice() {
-        Result result;
-        sp<IDevice> baseDevice;
-        ASSERT_OK(devicesFactory->openDevice(IDevicesFactory::Device::PRIMARY,
-                                             returnIn(result, baseDevice)));
-        ASSERT_OK(result);
-        ASSERT_TRUE(baseDevice != nullptr);
-
-        device = IPrimaryDevice::castFrom(baseDevice);
-    }
-};
-sp<IPrimaryDevice> AudioPrimaryHidlTest::device;
-
-TEST_F(AudioPrimaryHidlTest, OpenPrimaryDevice) {
-    doc::test("Test the openDevice (called in SetUp)");
-}
-
-TEST_F(AudioPrimaryHidlTest, Init) {
-    doc::test("Test that the audio primary hal initialized correctly");
-    ASSERT_OK(device->initCheck());
-}
-
-//////////////////////////////////////////////////////////////////////////////
-///////////////////// {set,get}{Master,Mic}{Mute,Volume} /////////////////////
-//////////////////////////////////////////////////////////////////////////////
-
-template <class Property>
-class AccessorPrimaryHidlTest : public AudioPrimaryHidlTest {
-   protected:
-    enum Optionality { REQUIRED, OPTIONAL };
-    struct Initial {  // Initial property value
-        Initial(Property value, Optionality check = REQUIRED) : value(value), check(check) {}
-        Property value;
-        Optionality check;  // If this initial value should be checked
-    };
-    /** Test a property getter and setter.
-     *  The getter and/or the setter may return NOT_SUPPORTED if optionality == OPTIONAL.
-     */
-    template <Optionality optionality = REQUIRED, class Getter, class Setter>
-    void testAccessors(const string& propertyName, const Initial expectedInitial,
-                       list<Property> valuesToTest, Setter setter, Getter getter,
-                       const vector<Property>& invalidValues = {}) {
-        const auto expectedResults = {Result::OK,
-                                      optionality == OPTIONAL ? Result::NOT_SUPPORTED : Result::OK};
-
-        Property initialValue = expectedInitial.value;
-        ASSERT_OK((device.get()->*getter)(returnIn(res, initialValue)));
-        ASSERT_RESULT(expectedResults, res);
-        if (res == Result::OK && expectedInitial.check == REQUIRED) {
-            EXPECT_EQ(expectedInitial.value, initialValue);
-        }
-
-        valuesToTest.push_front(expectedInitial.value);
-        valuesToTest.push_back(initialValue);
-        for (Property setValue : valuesToTest) {
-            SCOPED_TRACE("Test " + propertyName + " getter and setter for " +
-                         testing::PrintToString(setValue));
-            auto ret = (device.get()->*setter)(setValue);
-            ASSERT_RESULT(expectedResults, ret);
-            if (ret == Result::NOT_SUPPORTED) {
-                doc::partialTest(propertyName + " setter is not supported");
-                break;
-            }
-            Property getValue;
-            // Make sure the getter returns the same value just set
-            ASSERT_OK((device.get()->*getter)(returnIn(res, getValue)));
-            ASSERT_RESULT(expectedResults, res);
-            if (res == Result::NOT_SUPPORTED) {
-                doc::partialTest(propertyName + " getter is not supported");
-                continue;
-            }
-            EXPECT_EQ(setValue, getValue);
-        }
-
-        for (Property invalidValue : invalidValues) {
-            SCOPED_TRACE("Try to set " + propertyName + " with the invalid value " +
-                         testing::PrintToString(invalidValue));
-            EXPECT_RESULT(invalidArgsOrNotSupported, (device.get()->*setter)(invalidValue));
-        }
-
-        // Restore initial value
-        EXPECT_RESULT(expectedResults, (device.get()->*setter)(initialValue));
-    }
-};
-
-using BoolAccessorPrimaryHidlTest = AccessorPrimaryHidlTest<bool>;
-
-TEST_F(BoolAccessorPrimaryHidlTest, MicMuteTest) {
-    doc::test("Check that the mic can be muted and unmuted");
-    testAccessors("mic mute", Initial{false}, {true}, &IDevice::setMicMute, &IDevice::getMicMute);
-    // TODO: check that the mic is really muted (all sample are 0)
-}
-
-TEST_F(BoolAccessorPrimaryHidlTest, MasterMuteTest) {
-    doc::test("If master mute is supported, try to mute and unmute the master output");
-    testAccessors<OPTIONAL>("master mute", Initial{false}, {true}, &IDevice::setMasterMute,
-                            &IDevice::getMasterMute);
-    // TODO: check that the master volume is really muted
-}
-
-using FloatAccessorPrimaryHidlTest = AccessorPrimaryHidlTest<float>;
-TEST_F(FloatAccessorPrimaryHidlTest, MasterVolumeTest) {
-    doc::test("Test the master volume if supported");
-    testAccessors<OPTIONAL>(
-        "master volume", Initial{1}, {0, 0.5}, &IDevice::setMasterVolume, &IDevice::getMasterVolume,
-        {-0.1, 1.1, NAN, INFINITY, -INFINITY, 1 + std::numeric_limits<float>::epsilon()});
-    // TODO: check that the master volume is really changed
-}
-
-//////////////////////////////////////////////////////////////////////////////
-//////////////////////////////// AudioPatches ////////////////////////////////
-//////////////////////////////////////////////////////////////////////////////
-
-class AudioPatchPrimaryHidlTest : public AudioPrimaryHidlTest {
-   protected:
-    bool areAudioPatchesSupported() {
-        auto result = device->supportsAudioPatches();
-        EXPECT_IS_OK(result);
-        return result;
-    }
-};
-
-TEST_F(AudioPatchPrimaryHidlTest, AudioPatches) {
-    doc::test("Test if audio patches are supported");
-    if (!areAudioPatchesSupported()) {
-        doc::partialTest("Audio patches are not supported");
-        return;
-    }
-    // TODO: test audio patches
-}
-
-//////////////////////////////////////////////////////////////////////////////
-//////////////// Required and recommended audio format support ///////////////
-// From:
-// https://source.android.com/compatibility/android-cdd.html#5_4_audio_recording
-// From:
-// https://source.android.com/compatibility/android-cdd.html#5_5_audio_playback
-/////////// TODO: move to the beginning of the file for easier update ////////
-//////////////////////////////////////////////////////////////////////////////
-
-class AudioConfigPrimaryTest : public AudioPatchPrimaryHidlTest {
-   public:
-    // Cache result ?
-    static const vector<AudioConfig> getRequiredSupportPlaybackAudioConfig() {
-        return combineAudioConfig({AudioChannelMask::OUT_STEREO, AudioChannelMask::OUT_MONO},
-                                  {8000, 11025, 16000, 22050, 32000, 44100},
-                                  {AudioFormat::PCM_16_BIT});
-    }
-
-    static const vector<AudioConfig> getRecommendedSupportPlaybackAudioConfig() {
-        return combineAudioConfig({AudioChannelMask::OUT_STEREO, AudioChannelMask::OUT_MONO},
-                                  {24000, 48000}, {AudioFormat::PCM_16_BIT});
-    }
-
-    static const vector<AudioConfig> getSupportedPlaybackAudioConfig() {
-        // TODO: retrieve audio config supported by the platform
-        // as declared in the policy configuration
-        return {};
-    }
-
-    static const vector<AudioConfig> getRequiredSupportCaptureAudioConfig() {
-        return combineAudioConfig({AudioChannelMask::IN_MONO}, {8000, 11025, 16000, 44100},
-                                  {AudioFormat::PCM_16_BIT});
-    }
-    static const vector<AudioConfig> getRecommendedSupportCaptureAudioConfig() {
-        return combineAudioConfig({AudioChannelMask::IN_STEREO}, {22050, 48000},
-                                  {AudioFormat::PCM_16_BIT});
-    }
-    static const vector<AudioConfig> getSupportedCaptureAudioConfig() {
-        // TODO: retrieve audio config supported by the platform
-        // as declared in the policy configuration
-        return {};
-    }
-
-   private:
-    static const vector<AudioConfig> combineAudioConfig(vector<AudioChannelMask> channelMasks,
-                                                        vector<uint32_t> sampleRates,
-                                                        vector<AudioFormat> formats) {
-        vector<AudioConfig> configs;
-        for (auto channelMask : channelMasks) {
-            for (auto sampleRate : sampleRates) {
-                for (auto format : formats) {
-                    AudioConfig config{};
-                    // leave offloadInfo to 0
-                    config.channelMask = mkEnumBitfield(channelMask);
-                    config.sampleRateHz = sampleRate;
-                    config.format = format;
-                    // FIXME: leave frameCount to 0 ?
-                    configs.push_back(config);
-                }
-            }
-        }
-        return configs;
-    }
-};
-
-/** Generate a test name based on an audio config.
- *
- * As the only parameter changing are channel mask and sample rate,
- * only print those ones in the test name.
- */
-static string generateTestName(const testing::TestParamInfo<AudioConfig>& info) {
-    const AudioConfig& config = info.param;
-    return to_string(info.index) + "__" + to_string(config.sampleRateHz) + "_" +
-           // "MONO" is more clear than "FRONT_LEFT"
-           ((config.channelMask == mkEnumBitfield(AudioChannelMask::OUT_MONO) ||
-             config.channelMask == mkEnumBitfield(AudioChannelMask::IN_MONO))
-                ? "MONO"
-                : ::testing::PrintToString(config.channelMask));
-}
-
-//////////////////////////////////////////////////////////////////////////////
-///////////////////////////// getInputBufferSize /////////////////////////////
-//////////////////////////////////////////////////////////////////////////////
-
-// FIXME: execute input test only if platform declares
-// android.hardware.microphone
-//        how to get this value ? is it a property ???
-
-class AudioCaptureConfigPrimaryTest : public AudioConfigPrimaryTest,
-                                      public ::testing::WithParamInterface<AudioConfig> {
-   protected:
-    void inputBufferSizeTest(const AudioConfig& audioConfig, bool supportRequired) {
-        uint64_t bufferSize;
-        ASSERT_OK(device->getInputBufferSize(audioConfig, returnIn(res, bufferSize)));
-
-        switch (res) {
-            case Result::INVALID_ARGUMENTS:
-                EXPECT_FALSE(supportRequired);
-                break;
-            case Result::OK:
-                // Check that the buffer is of a sane size
-                // For now only that it is > 0
-                EXPECT_GT(bufferSize, uint64_t(0));
-                break;
-            default:
-                FAIL() << "Invalid return status: " << ::testing::PrintToString(res);
-        }
-    }
-};
-
-// Test that the required capture config and those declared in the policy are
-// indeed supported
-class RequiredInputBufferSizeTest : public AudioCaptureConfigPrimaryTest {};
-TEST_P(RequiredInputBufferSizeTest, RequiredInputBufferSizeTest) {
-    doc::test(
-        "Input buffer size must be retrievable for a format with required "
-        "support.");
-    inputBufferSizeTest(GetParam(), true);
-}
-INSTANTIATE_TEST_CASE_P(
-    RequiredInputBufferSize, RequiredInputBufferSizeTest,
-    ::testing::ValuesIn(AudioConfigPrimaryTest::getRequiredSupportCaptureAudioConfig()),
-    &generateTestName);
-INSTANTIATE_TEST_CASE_P(
-    SupportedInputBufferSize, RequiredInputBufferSizeTest,
-    ::testing::ValuesIn(AudioConfigPrimaryTest::getSupportedCaptureAudioConfig()),
-    &generateTestName);
-
-// Test that the recommended capture config are supported or lead to a
-// INVALID_ARGUMENTS return
-class OptionalInputBufferSizeTest : public AudioCaptureConfigPrimaryTest {};
-TEST_P(OptionalInputBufferSizeTest, OptionalInputBufferSizeTest) {
-    doc::test(
-        "Input buffer size should be retrievable for a format with recommended "
-        "support.");
-    inputBufferSizeTest(GetParam(), false);
-}
-INSTANTIATE_TEST_CASE_P(
-    RecommendedCaptureAudioConfigSupport, OptionalInputBufferSizeTest,
-    ::testing::ValuesIn(AudioConfigPrimaryTest::getRecommendedSupportCaptureAudioConfig()),
-    &generateTestName);
-
-//////////////////////////////////////////////////////////////////////////////
-/////////////////////////////// setScreenState ///////////////////////////////
-//////////////////////////////////////////////////////////////////////////////
-
-TEST_F(AudioPrimaryHidlTest, setScreenState) {
-    doc::test("Check that the hal can receive the screen state");
-    for (bool turnedOn : {false, true, true, false, false}) {
-        ASSERT_RESULT(okOrNotSupported, device->setScreenState(turnedOn));
-    }
-}
-
-//////////////////////////////////////////////////////////////////////////////
-//////////////////////////// {get,set}Parameters /////////////////////////////
-//////////////////////////////////////////////////////////////////////////////
-
-TEST_F(AudioPrimaryHidlTest, getParameters) {
-    doc::test("Check that the hal can set and get parameters");
-    hidl_vec<ParameterValue> context;
-    hidl_vec<hidl_string> keys;
-    hidl_vec<ParameterValue> values;
-    ASSERT_OK(Parameters::get(device, keys, returnIn(res, values)));
-    ASSERT_OK(Parameters::set(device, values));
-    values.resize(0);
-    ASSERT_OK(Parameters::set(device, values));
-}
-
-//////////////////////////////////////////////////////////////////////////////
-//////////////////////////////// debugDebug //////////////////////////////////
-//////////////////////////////////////////////////////////////////////////////
-
-template <class DebugDump>
-static void testDebugDump(DebugDump debugDump) {
-    // File descriptors to our pipe. fds[0] corresponds to the read end and
-    // fds[1] to the write end.
-    int fds[2];
-    ASSERT_EQ(0, pipe2(fds, O_NONBLOCK)) << errno;
-
-    // Make sure that the pipe is at least 1 MB in size. The test process runs
-    // in su domain, so it should be safe to make this call.
-    fcntl(fds[0], F_SETPIPE_SZ, 1 << 20);
-
-    // Wrap the temporary file file descriptor in a native handle
-    auto* nativeHandle = native_handle_create(1, 0);
-    ASSERT_NE(nullptr, nativeHandle);
-    nativeHandle->data[0] = fds[1];
-
-    // Wrap this native handle in a hidl handle
-    hidl_handle handle;
-    handle.setTo(nativeHandle, false /*take ownership*/);
-
-    ASSERT_OK(debugDump(handle));
-
-    // Check that at least one bit was written by the hal
-    // TODO: debugDump does not return a Result.
-    // This mean that the hal can not report that it not implementing the
-    // function.
-    char buff;
-    if (read(fds[0], &buff, 1) != 1) {
-        doc::note("debugDump does not seem implemented");
-    }
-    EXPECT_EQ(0, close(fds[0])) << errno;
-    EXPECT_EQ(0, close(fds[1])) << errno;
-}
-
-TEST_F(AudioPrimaryHidlTest, DebugDump) {
-    doc::test("Check that the hal can dump its state without error");
-    testDebugDump([](const auto& handle) { return dump(device, handle); });
-}
-
-TEST_F(AudioPrimaryHidlTest, DebugDumpInvalidArguments) {
-    doc::test("Check that the hal dump doesn't crash on invalid arguments");
-    ASSERT_OK(dump(device, hidl_handle()));
-}
-
-//////////////////////////////////////////////////////////////////////////////
-////////////////////////// open{Output,Input}Stream //////////////////////////
-//////////////////////////////////////////////////////////////////////////////
-
-template <class Stream>
-class OpenStreamTest : public AudioConfigPrimaryTest,
-                       public ::testing::WithParamInterface<AudioConfig> {
-   protected:
-    template <class Open>
-    void testOpen(Open openStream, const AudioConfig& config) {
-        // FIXME: Open a stream without an IOHandle
-        //        This is not required to be accepted by hal implementations
-        AudioIoHandle ioHandle = (AudioIoHandle)AudioHandleConsts::AUDIO_IO_HANDLE_NONE;
-        AudioConfig suggestedConfig{};
-        ASSERT_OK(openStream(ioHandle, config, returnIn(res, stream, suggestedConfig)));
-
-        // TODO: only allow failure for RecommendedPlaybackAudioConfig
-        switch (res) {
-            case Result::OK:
-                ASSERT_TRUE(stream != nullptr);
-                audioConfig = config;
-                break;
-            case Result::INVALID_ARGUMENTS:
-                ASSERT_TRUE(stream == nullptr);
-                AudioConfig suggestedConfigRetry;
-                // Could not open stream with config, try again with the
-                // suggested one
-                ASSERT_OK(openStream(ioHandle, suggestedConfig,
-                                     returnIn(res, stream, suggestedConfigRetry)));
-                // This time it must succeed
-                ASSERT_OK(res);
-                ASSERT_TRUE(stream != nullptr);
-                audioConfig = suggestedConfig;
-                break;
-            default:
-                FAIL() << "Invalid return status: " << ::testing::PrintToString(res);
-        }
-        open = true;
-    }
-
-    Return<Result> closeStream() {
-        open = false;
-        return stream->close();
-    }
-
-   private:
-    void TearDown() override {
-        if (open) {
-            ASSERT_OK(stream->close());
-        }
-    }
-
-   protected:
-    AudioConfig audioConfig;
-    DeviceAddress address = {};
-    sp<Stream> stream;
-    bool open = false;
-};
-
-////////////////////////////// openOutputStream //////////////////////////////
-
-class OutputStreamTest : public OpenStreamTest<IStreamOut> {
-    virtual void SetUp() override {
-        ASSERT_NO_FATAL_FAILURE(OpenStreamTest::SetUp());  // setup base
-        address.device = AudioDevice::OUT_DEFAULT;
-        const AudioConfig& config = GetParam();
-        // TODO: test all flag combination
-        auto flags = mkEnumBitfield(AudioOutputFlag::NONE);
-        testOpen(
-            [&](AudioIoHandle handle, AudioConfig config, auto cb) {
-                return device->openOutputStream(handle, address, config, flags, cb);
-            },
-            config);
-    }
-};
-TEST_P(OutputStreamTest, OpenOutputStreamTest) {
-    doc::test(
-        "Check that output streams can be open with the required and "
-        "recommended config");
-    // Open done in SetUp
-}
-INSTANTIATE_TEST_CASE_P(
-    RequiredOutputStreamConfigSupport, OutputStreamTest,
-    ::testing::ValuesIn(AudioConfigPrimaryTest::getRequiredSupportPlaybackAudioConfig()),
-    &generateTestName);
-INSTANTIATE_TEST_CASE_P(
-    SupportedOutputStreamConfig, OutputStreamTest,
-    ::testing::ValuesIn(AudioConfigPrimaryTest::getSupportedPlaybackAudioConfig()),
-    &generateTestName);
-
-INSTANTIATE_TEST_CASE_P(
-    RecommendedOutputStreamConfigSupport, OutputStreamTest,
-    ::testing::ValuesIn(AudioConfigPrimaryTest::getRecommendedSupportPlaybackAudioConfig()),
-    &generateTestName);
-
-////////////////////////////// openInputStream //////////////////////////////
-
-class InputStreamTest : public OpenStreamTest<IStreamIn> {
-    virtual void SetUp() override {
-        ASSERT_NO_FATAL_FAILURE(OpenStreamTest::SetUp());  // setup base
-        address.device = AudioDevice::IN_DEFAULT;
-        const AudioConfig& config = GetParam();
-        // TODO: test all supported flags and source
-        auto flags = mkEnumBitfield(AudioInputFlag::NONE);
-        testOpen(
-            [&](AudioIoHandle handle, AudioConfig config, auto cb) {
-                return device->openInputStream(handle, address, config, flags, initMetadata, cb);
-            },
-            config);
-    }
-
-   protected:
-    const AudioSource initMetadata = AudioSource::DEFAULT;
-};
-
-TEST_P(InputStreamTest, OpenInputStreamTest) {
-    doc::test(
-        "Check that input streams can be open with the required and "
-        "recommended config");
-    // Open done in setup
-}
-INSTANTIATE_TEST_CASE_P(
-    RequiredInputStreamConfigSupport, InputStreamTest,
-    ::testing::ValuesIn(AudioConfigPrimaryTest::getRequiredSupportCaptureAudioConfig()),
-    &generateTestName);
-INSTANTIATE_TEST_CASE_P(
-    SupportedInputStreamConfig, InputStreamTest,
-    ::testing::ValuesIn(AudioConfigPrimaryTest::getSupportedCaptureAudioConfig()),
-    &generateTestName);
-
-INSTANTIATE_TEST_CASE_P(
-    RecommendedInputStreamConfigSupport, InputStreamTest,
-    ::testing::ValuesIn(AudioConfigPrimaryTest::getRecommendedSupportCaptureAudioConfig()),
-    &generateTestName);
-
-//////////////////////////////////////////////////////////////////////////////
-////////////////////////////// IStream getters ///////////////////////////////
-//////////////////////////////////////////////////////////////////////////////
-
-/** Unpack the provided result.
- * If the result is not OK, register a failure and return an undefined value. */
-template <class R>
-static R extract(Return<R> ret) {
-    if (!ret.isOk()) {
-        EXPECT_IS_OK(ret);
-        return R{};
-    }
-    return ret;
-}
-
-/* Could not find a way to write a test for two parametrized class fixure
- * thus use this macro do duplicate tests for Input and Output stream */
-#define TEST_IO_STREAM(test_name, documentation, code) \
-    TEST_P(InputStreamTest, test_name) {               \
-        doc::test(documentation);                      \
-        code;                                          \
-    }                                                  \
-    TEST_P(OutputStreamTest, test_name) {              \
-        doc::test(documentation);                      \
-        code;                                          \
-    }
-
-TEST_IO_STREAM(GetFrameCount, "Check that getting stream frame count does not crash the HAL.",
-               ASSERT_TRUE(stream->getFrameCount().isOk()))
-
-TEST_IO_STREAM(GetSampleRate, "Check that the stream sample rate == the one it was opened with",
-               ASSERT_EQ(audioConfig.sampleRateHz, extract(stream->getSampleRate())))
-
-TEST_IO_STREAM(GetChannelMask, "Check that the stream channel mask == the one it was opened with",
-               ASSERT_EQ(audioConfig.channelMask, extract(stream->getChannelMask())))
-
-TEST_IO_STREAM(GetFormat, "Check that the stream format == the one it was opened with",
-               ASSERT_EQ(audioConfig.format, extract(stream->getFormat())))
-
-// TODO: for now only check that the framesize is not incoherent
-TEST_IO_STREAM(GetFrameSize, "Check that the stream frame size == the one it was opened with",
-               ASSERT_GT(extract(stream->getFrameSize()), 0U))
-
-TEST_IO_STREAM(GetBufferSize, "Check that the stream buffer size== the one it was opened with",
-               ASSERT_GE(extract(stream->getBufferSize()), extract(stream->getFrameSize())));
-
-template <class Property, class CapabilityGetter>
-static void testCapabilityGetter(const string& name, IStream* stream,
-                                 CapabilityGetter capabilityGetter,
-                                 Return<Property> (IStream::*getter)(),
-                                 Return<Result> (IStream::*setter)(Property),
-                                 bool currentMustBeSupported = true) {
-    hidl_vec<Property> capabilities;
-    auto ret = capabilityGetter(stream, capabilities);
-    ASSERT_RESULT(okOrNotSupported, ret);
-    bool notSupported = ret == Result::NOT_SUPPORTED;
-    if (notSupported) {
-        doc::partialTest(name + " is not supported");
-        return;
-    };
-
-    if (currentMustBeSupported) {
-        ASSERT_NE(0U, capabilities.size()) << name << " must not return an empty list";
-        Property currentValue = extract((stream->*getter)());
-        EXPECT_TRUE(std::find(capabilities.begin(), capabilities.end(), currentValue) !=
-                    capabilities.end())
-            << "value returned by " << name << "() = " << testing::PrintToString(currentValue)
-            << " is not in the list of the supported ones " << toString(capabilities);
-    }
-
-    // Check that all declared supported values are indeed supported
-    for (auto capability : capabilities) {
-        auto ret = (stream->*setter)(capability);
-        ASSERT_TRUE(ret.isOk());
-        if (ret == Result::NOT_SUPPORTED) {
-            doc::partialTest("Setter is not supported");
-            return;
-        }
-        ASSERT_OK(ret);
-        ASSERT_EQ(capability, extract((stream->*getter)()));
-    }
-}
-
-TEST_IO_STREAM(SupportedSampleRate, "Check that the stream sample rate is declared as supported",
-               testCapabilityGetter("getSupportedSampleRate", stream.get(),
-                                    &GetSupported::sampleRates, &IStream::getSampleRate,
-                                    &IStream::setSampleRate,
-                                    // getSupportedSampleRate returns the native sampling rates,
-                                    // (the sampling rates that can be played without resampling)
-                                    // but other sampling rates can be supported by the HAL.
-                                    false))
-
-TEST_IO_STREAM(SupportedChannelMask, "Check that the stream channel mask is declared as supported",
-               testCapabilityGetter("getSupportedChannelMask", stream.get(),
-                                    &GetSupported::channelMasks, &IStream::getChannelMask,
-                                    &IStream::setChannelMask))
-
-TEST_IO_STREAM(SupportedFormat, "Check that the stream format is declared as supported",
-               testCapabilityGetter("getSupportedFormat", stream.get(), &GetSupported::formats,
-                                    &IStream::getFormat, &IStream::setFormat))
-
-static void testGetAudioProperties(IStream* stream, AudioConfig expectedConfig) {
-    uint32_t sampleRateHz;
-    auto mask = mkEnumBitfield<AudioChannelMask>({});
-    AudioFormat format;
-
-    stream->getAudioProperties(returnIn(sampleRateHz, mask, format));
-
-    // FIXME: the qcom hal it does not currently negotiate the sampleRate &
-    // channel mask
-    EXPECT_EQ(expectedConfig.sampleRateHz, sampleRateHz);
-    EXPECT_EQ(expectedConfig.channelMask, mask);
-    EXPECT_EQ(expectedConfig.format, format);
-}
-
-TEST_IO_STREAM(GetAudioProperties,
-               "Check that the stream audio properties == the ones it was opened with",
-               testGetAudioProperties(stream.get(), audioConfig))
-
-TEST_IO_STREAM(SetHwAvSync, "Try to set hardware sync to an invalid value",
-               ASSERT_RESULT(okOrNotSupportedOrInvalidArgs, stream->setHwAvSync(666)))
-
-static void checkGetNoParameter(IStream* stream, hidl_vec<hidl_string> keys,
-                                initializer_list<Result> expectedResults) {
-    hidl_vec<ParameterValue> parameters;
-    Result res;
-    ASSERT_OK(Parameters::get(stream, keys, returnIn(res, parameters)));
-    ASSERT_RESULT(expectedResults, res);
-    if (res == Result::OK) {
-        for (auto& parameter : parameters) {
-            ASSERT_EQ(0U, parameter.value.size()) << toString(parameter);
-        }
-    }
-}
-
-/* Get/Set parameter is intended to be an opaque channel between vendors app and
- * their HALs.
- * Thus can not be meaningfully tested.
- */
-TEST_IO_STREAM(getEmptySetParameter, "Retrieve the values of an empty set",
-               checkGetNoParameter(stream.get(), {} /* keys */, {Result::OK}))
-
-TEST_IO_STREAM(getNonExistingParameter, "Retrieve the values of an non existing parameter",
-               checkGetNoParameter(stream.get(), {"Non existing key"} /* keys */,
-                                   {Result::NOT_SUPPORTED}))
-
-TEST_IO_STREAM(setEmptySetParameter, "Set the values of an empty set of parameters",
-               ASSERT_RESULT(Result::OK, Parameters::set(stream, {})))
-
-TEST_IO_STREAM(setNonExistingParameter, "Set the values of an non existing parameter",
-               // Unfortunately, the set_parameter legacy interface did not return any
-               // error code when a key is not supported.
-               // To allow implementation to just wrapped the legacy one, consider OK as a
-               // valid result for setting a non existing parameter.
-               ASSERT_RESULT(okOrNotSupportedOrInvalidArgs,
-                             Parameters::set(stream, {{"non existing key", "0"}})))
-
-TEST_IO_STREAM(DebugDump, "Check that a stream can dump its state without error",
-               testDebugDump([this](const auto& handle) { return dump(stream, handle); }))
-
-TEST_IO_STREAM(DebugDumpInvalidArguments,
-               "Check that the stream dump doesn't crash on invalid arguments",
-               ASSERT_OK(dump(stream, hidl_handle())))
-
-//////////////////////////////////////////////////////////////////////////////
-////////////////////////////// addRemoveEffect ///////////////////////////////
-//////////////////////////////////////////////////////////////////////////////
-
-TEST_IO_STREAM(AddNonExistingEffect, "Adding a non existing effect should fail",
-               ASSERT_RESULT(Result::INVALID_ARGUMENTS, stream->addEffect(666)))
-TEST_IO_STREAM(RemoveNonExistingEffect, "Removing a non existing effect should fail",
-               ASSERT_RESULT(Result::INVALID_ARGUMENTS, stream->removeEffect(666)))
-
-// TODO: positive tests
-
-//////////////////////////////////////////////////////////////////////////////
-/////////////////////////////// Control ////////////////////////////////
-//////////////////////////////////////////////////////////////////////////////
-
-TEST_IO_STREAM(standby, "Make sure the stream can be put in stanby",
-               ASSERT_OK(stream->standby()))  // can not fail
-
-TEST_IO_STREAM(startNoMmap, "Starting a mmaped stream before mapping it should fail",
-               ASSERT_RESULT(invalidStateOrNotSupported, stream->start()))
-
-TEST_IO_STREAM(stopNoMmap, "Stopping a mmaped stream before mapping it should fail",
-               ASSERT_RESULT(invalidStateOrNotSupported, stream->stop()))
-
-TEST_IO_STREAM(getMmapPositionNoMmap, "Get a stream Mmap position before mapping it should fail",
-               ASSERT_RESULT(invalidStateOrNotSupported, stream->stop()))
-
-TEST_IO_STREAM(close, "Make sure a stream can be closed", ASSERT_OK(closeStream()))
-TEST_IO_STREAM(closeTwice, "Make sure a stream can not be closed twice", ASSERT_OK(closeStream());
-               ASSERT_RESULT(Result::INVALID_STATE, closeStream()))
-
-static void testCreateTooBigMmapBuffer(IStream* stream) {
-    MmapBufferInfo info;
-    Result res;
-    // Assume that int max is a value too big to be allocated
-    // This is true currently with a 32bit media server, but might not when it
-    // will run in 64 bit
-    auto minSizeFrames = std::numeric_limits<int32_t>::max();
-    ASSERT_OK(stream->createMmapBuffer(minSizeFrames, returnIn(res, info)));
-    ASSERT_RESULT(invalidArgsOrNotSupported, res);
-}
-
-TEST_IO_STREAM(CreateTooBigMmapBuffer, "Create mmap buffer too big should fail",
-               testCreateTooBigMmapBuffer(stream.get()))
-
-static void testGetMmapPositionOfNonMmapedStream(IStream* stream) {
-    Result res;
-    MmapPosition position;
-    ASSERT_OK(stream->getMmapPosition(returnIn(res, position)));
-    ASSERT_RESULT(invalidArgsOrNotSupported, res);
-}
-
-TEST_IO_STREAM(GetMmapPositionOfNonMmapedStream,
-               "Retrieving the mmap position of a non mmaped stream should fail",
-               testGetMmapPositionOfNonMmapedStream(stream.get()))
-
-//////////////////////////////////////////////////////////////////////////////
-///////////////////////////////// StreamIn ///////////////////////////////////
-//////////////////////////////////////////////////////////////////////////////
-
-TEST_P(InputStreamTest, GetAudioSource) {
-    doc::test("Retrieving the audio source of an input stream should always succeed");
-    AudioSource source;
-    ASSERT_OK(stream->getAudioSource(returnIn(res, source)));
-    if (res == Result::NOT_SUPPORTED) {
-        doc::partialTest("getAudioSource is not supported");
-        return;
-    }
-    ASSERT_OK(res);
-    ASSERT_EQ(AudioSource::DEFAULT, source);
-}
-
-static void testUnitaryGain(std::function<Return<Result>(float)> setGain) {
-    for (float value : (float[]){-INFINITY, -1.0, 1.0 + std::numeric_limits<float>::epsilon(), 2.0,
-                                 INFINITY, NAN}) {
-        EXPECT_RESULT(Result::INVALID_ARGUMENTS, setGain(value)) << "value=" << value;
-    }
-    // Do not consider -0.0 as an invalid value as it is == with 0.0
-    for (float value : {-0.0, 0.0, 0.01, 0.5, 0.09, 1.0 /* Restore volume*/}) {
-        EXPECT_OK(setGain(value)) << "value=" << value;
-    }
-}
-
-static void testOptionalUnitaryGain(std::function<Return<Result>(float)> setGain,
-                                    string debugName) {
-    auto result = setGain(1);
-    ASSERT_IS_OK(result);
-    if (result == Result::NOT_SUPPORTED) {
-        doc::partialTest(debugName + " is not supported");
-        return;
-    }
-    testUnitaryGain(setGain);
-}
-
-TEST_P(InputStreamTest, SetGain) {
-    doc::test("The gain of an input stream should only be set between [0,1]");
-    testOptionalUnitaryGain([this](float volume) { return stream->setGain(volume); },
-                            "InputStream::setGain");
-}
-
-static void testPrepareForReading(IStreamIn* stream, uint32_t frameSize, uint32_t framesCount) {
-    Result res;
-    // Ignore output parameters as the call should fail
-    ASSERT_OK(stream->prepareForReading(frameSize, framesCount,
-                                        [&res](auto r, auto&, auto&, auto&, auto&) { res = r; }));
-    EXPECT_RESULT(Result::INVALID_ARGUMENTS, res);
-}
-
-TEST_P(InputStreamTest, PrepareForReadingWithZeroBuffer) {
-    doc::test("Preparing a stream for reading with a 0 sized buffer should fail");
-    testPrepareForReading(stream.get(), 0, 0);
-}
-
-TEST_P(InputStreamTest, PrepareForReadingWithHugeBuffer) {
-    doc::test("Preparing a stream for reading with a 2^32 sized buffer should fail");
-    testPrepareForReading(stream.get(), 1, std::numeric_limits<uint32_t>::max());
-}
-
-TEST_P(InputStreamTest, PrepareForReadingCheckOverflow) {
-    doc::test(
-        "Preparing a stream for reading with a overflowing sized buffer should "
-        "fail");
-    auto uintMax = std::numeric_limits<uint32_t>::max();
-    testPrepareForReading(stream.get(), uintMax, uintMax);
-}
-
-TEST_P(InputStreamTest, GetInputFramesLost) {
-    doc::test("The number of frames lost on a never started stream should be 0");
-    auto ret = stream->getInputFramesLost();
-    ASSERT_IS_OK(ret);
-    uint32_t framesLost{ret};
-    ASSERT_EQ(0U, framesLost);
-}
-
-TEST_P(InputStreamTest, getCapturePosition) {
-    doc::test(
-        "The capture position of a non prepared stream should not be "
-        "retrievable or 0");
-    uint64_t frames;
-    uint64_t time;
-    ASSERT_OK(stream->getCapturePosition(returnIn(res, frames, time)));
-    ASSERT_RESULT(okOrInvalidStateOrNotSupported, res);
-    if (res == Result::OK) {
-        ASSERT_EQ(0U, frames);
-        ASSERT_LE(0U, time);
-    }
-}
-
-//////////////////////////////////////////////////////////////////////////////
-///////////////////////////////// StreamOut //////////////////////////////////
-//////////////////////////////////////////////////////////////////////////////
-
-TEST_P(OutputStreamTest, getLatency) {
-    doc::test("Make sure latency is over 0");
-    auto result = stream->getLatency();
-    ASSERT_IS_OK(result);
-    ASSERT_GT(result, 0U);
-}
-
-TEST_P(OutputStreamTest, setVolume) {
-    doc::test("Try to set the output volume");
-    testOptionalUnitaryGain([this](float volume) { return stream->setVolume(volume, volume); },
-                            "setVolume");
-}
-
-static void testPrepareForWriting(IStreamOut* stream, uint32_t frameSize, uint32_t framesCount) {
-    Result res;
-    // Ignore output parameters as the call should fail
-    ASSERT_OK(stream->prepareForWriting(frameSize, framesCount,
-                                        [&res](auto r, auto&, auto&, auto&, auto&) { res = r; }));
-    EXPECT_RESULT(Result::INVALID_ARGUMENTS, res);
-}
-
-TEST_P(OutputStreamTest, PrepareForWriteWithZeroBuffer) {
-    doc::test("Preparing a stream for writing with a 0 sized buffer should fail");
-    testPrepareForWriting(stream.get(), 0, 0);
-}
-
-TEST_P(OutputStreamTest, PrepareForWriteWithHugeBuffer) {
-    doc::test("Preparing a stream for writing with a 2^32 sized buffer should fail");
-    testPrepareForWriting(stream.get(), 1, std::numeric_limits<uint32_t>::max());
-}
-
-TEST_P(OutputStreamTest, PrepareForWritingCheckOverflow) {
-    doc::test(
-        "Preparing a stream for writing with a overflowing sized buffer should "
-        "fail");
-    auto uintMax = std::numeric_limits<uint32_t>::max();
-    testPrepareForWriting(stream.get(), uintMax, uintMax);
-}
-
-struct Capability {
-    Capability(IStreamOut* stream) {
-        EXPECT_OK(stream->supportsPauseAndResume(returnIn(pause, resume)));
-        auto ret = stream->supportsDrain();
-        EXPECT_IS_OK(ret);
-        if (ret.isOk()) {
-            drain = ret;
-        }
-    }
-    bool pause = false;
-    bool resume = false;
-    bool drain = false;
-};
-
-TEST_P(OutputStreamTest, SupportsPauseAndResumeAndDrain) {
-    doc::test("Implementation must expose pause, resume and drain capabilities");
-    Capability(stream.get());
-}
-
-template <class Value>
-static void checkInvalidStateOr0(Result res, Value value) {
-    switch (res) {
-        case Result::INVALID_STATE:
-            break;
-        case Result::OK:
-            ASSERT_EQ(0U, value);
-            break;
-        default:
-            FAIL() << "Unexpected result " << toString(res);
-    }
-}
-
-TEST_P(OutputStreamTest, GetRenderPosition) {
-    doc::test("A new stream render position should be 0 or INVALID_STATE");
-    uint32_t dspFrames;
-    ASSERT_OK(stream->getRenderPosition(returnIn(res, dspFrames)));
-    if (res == Result::NOT_SUPPORTED) {
-        doc::partialTest("getRenderPosition is not supported");
-        return;
-    }
-    checkInvalidStateOr0(res, dspFrames);
-}
-
-TEST_P(OutputStreamTest, GetNextWriteTimestamp) {
-    doc::test("A new stream next write timestamp should be 0 or INVALID_STATE");
-    uint64_t timestampUs;
-    ASSERT_OK(stream->getNextWriteTimestamp(returnIn(res, timestampUs)));
-    if (res == Result::NOT_SUPPORTED) {
-        doc::partialTest("getNextWriteTimestamp is not supported");
-        return;
-    }
-    checkInvalidStateOr0(res, timestampUs);
-}
-
-/** Stub implementation of out stream callback. */
-class MockOutCallbacks : public IStreamOutCallback {
-    Return<void> onWriteReady() override { return {}; }
-    Return<void> onDrainReady() override { return {}; }
-    Return<void> onError() override { return {}; }
-};
-
-static bool isAsyncModeSupported(IStreamOut* stream) {
-    auto res = stream->setCallback(new MockOutCallbacks);
-    stream->clearCallback();  // try to restore the no callback state, ignore
-                              // any error
-    EXPECT_RESULT(okOrNotSupported, res);
-    return res.isOk() ? res == Result::OK : false;
-}
-
-TEST_P(OutputStreamTest, SetCallback) {
-    doc::test(
-        "If supported, registering callback for async operation should never "
-        "fail");
-    if (!isAsyncModeSupported(stream.get())) {
-        doc::partialTest("The stream does not support async operations");
-        return;
-    }
-    ASSERT_OK(stream->setCallback(new MockOutCallbacks));
-    ASSERT_OK(stream->setCallback(new MockOutCallbacks));
-}
-
-TEST_P(OutputStreamTest, clearCallback) {
-    doc::test(
-        "If supported, clearing a callback to go back to sync operation should "
-        "not fail");
-    if (!isAsyncModeSupported(stream.get())) {
-        doc::partialTest("The stream does not support async operations");
-        return;
-    }
-    // TODO: Clarify if clearing a non existing callback should fail
-    ASSERT_OK(stream->setCallback(new MockOutCallbacks));
-    ASSERT_OK(stream->clearCallback());
-}
-
-TEST_P(OutputStreamTest, Resume) {
-    doc::test(
-        "If supported, a stream should fail to resume if not previously "
-        "paused");
-    if (!Capability(stream.get()).resume) {
-        doc::partialTest("The output stream does not support resume");
-        return;
-    }
-    ASSERT_RESULT(Result::INVALID_STATE, stream->resume());
-}
-
-TEST_P(OutputStreamTest, Pause) {
-    doc::test(
-        "If supported, a stream should fail to pause if not previously "
-        "started");
-    if (!Capability(stream.get()).pause) {
-        doc::partialTest("The output stream does not support pause");
-        return;
-    }
-    ASSERT_RESULT(Result::INVALID_STATE, stream->pause());
-}
-
-static void testDrain(IStreamOut* stream, AudioDrain type) {
-    if (!Capability(stream).drain) {
-        doc::partialTest("The output stream does not support drain");
-        return;
-    }
-    ASSERT_RESULT(Result::OK, stream->drain(type));
-}
-
-TEST_P(OutputStreamTest, DrainAll) {
-    doc::test("If supported, a stream should always succeed to drain");
-    testDrain(stream.get(), AudioDrain::ALL);
-}
-
-TEST_P(OutputStreamTest, DrainEarlyNotify) {
-    doc::test("If supported, a stream should always succeed to drain");
-    testDrain(stream.get(), AudioDrain::EARLY_NOTIFY);
-}
-
-TEST_P(OutputStreamTest, FlushStop) {
-    doc::test("If supported, a stream should always succeed to flush");
-    auto ret = stream->flush();
-    ASSERT_IS_OK(ret);
-    if (ret == Result::NOT_SUPPORTED) {
-        doc::partialTest("Flush is not supported");
-        return;
-    }
-    ASSERT_OK(ret);
-}
-
-TEST_P(OutputStreamTest, GetPresentationPositionStop) {
-    doc::test(
-        "If supported, a stream should always succeed to retrieve the "
-        "presentation position");
-    uint64_t frames;
-    TimeSpec mesureTS;
-    ASSERT_OK(stream->getPresentationPosition(returnIn(res, frames, mesureTS)));
-    if (res == Result::NOT_SUPPORTED) {
-        doc::partialTest("getpresentationPosition is not supported");
-        return;
-    }
-    ASSERT_EQ(0U, frames);
-
-    if (mesureTS.tvNSec == 0 && mesureTS.tvSec == 0) {
-        // As the stream has never written a frame yet,
-        // the timestamp does not really have a meaning, allow to return 0
-        return;
-    }
-
-    // Make sure the return measure is not more than 1s old.
-    struct timespec currentTS;
-    ASSERT_EQ(0, clock_gettime(CLOCK_MONOTONIC, &currentTS)) << errno;
-
-    auto toMicroSec = [](uint64_t sec, auto nsec) { return sec * 1e+6 + nsec / 1e+3; };
-    auto currentTime = toMicroSec(currentTS.tv_sec, currentTS.tv_nsec);
-    auto mesureTime = toMicroSec(mesureTS.tvSec, mesureTS.tvNSec);
-    ASSERT_PRED2([](auto c, auto m) { return c - m < 1e+6; }, currentTime, mesureTime);
-}
-
-//////////////////////////////////////////////////////////////////////////////
-/////////////////////////////// PrimaryDevice ////////////////////////////////
-//////////////////////////////////////////////////////////////////////////////
-
-TEST_F(AudioPrimaryHidlTest, setVoiceVolume) {
-    doc::test("Make sure setVoiceVolume only succeed if volume is in [0,1]");
-    testUnitaryGain([](float volume) { return device->setVoiceVolume(volume); });
-}
-
-TEST_F(BoolAccessorPrimaryHidlTest, BtScoNrecEnabled) {
-    doc::test("Query and set the BT SCO NR&EC state");
-    testAccessors<OPTIONAL>("BtScoNrecEnabled", Initial{false, OPTIONAL}, {true},
-                            &IPrimaryDevice::setBtScoNrecEnabled,
-                            &IPrimaryDevice::getBtScoNrecEnabled);
-}
-
-TEST_F(BoolAccessorPrimaryHidlTest, setGetBtScoWidebandEnabled) {
-    doc::test("Query and set the SCO whideband state");
-    testAccessors<OPTIONAL>("BtScoWideband", Initial{false, OPTIONAL}, {true},
-                            &IPrimaryDevice::setBtScoWidebandEnabled,
-                            &IPrimaryDevice::getBtScoWidebandEnabled);
-}
-
-using TtyModeAccessorPrimaryHidlTest = AccessorPrimaryHidlTest<TtyMode>;
-TEST_F(TtyModeAccessorPrimaryHidlTest, setGetTtyMode) {
-    doc::test("Query and set the TTY mode state");
-    testAccessors<OPTIONAL>("TTY mode", Initial{TtyMode::OFF},
-                            {TtyMode::HCO, TtyMode::VCO, TtyMode::FULL},
-                            &IPrimaryDevice::setTtyMode, &IPrimaryDevice::getTtyMode);
-}
-
-TEST_F(BoolAccessorPrimaryHidlTest, setGetHac) {
-    doc::test("Query and set the HAC state");
-    testAccessors<OPTIONAL>("HAC", Initial{false}, {true}, &IPrimaryDevice::setHacEnabled,
-                            &IPrimaryDevice::getHacEnabled);
-}
-
-//////////////////////////////////////////////////////////////////////////////
-//////////////////// Clean caches on global tear down ////////////////////////
-//////////////////////////////////////////////////////////////////////////////
-
-int main(int argc, char** argv) {
-    environment = new AudioHidlTestEnvironment;
-    ::testing::AddGlobalTestEnvironment(environment);
-    ::testing::InitGoogleTest(&argc, argv);
-    environment->init(&argc, argv);
-    int status = RUN_ALL_TESTS();
-    return status;
-}
diff --git a/audio/core/2.0/vts/functional/ValidateAudioConfiguration.cpp b/audio/core/2.0/vts/functional/ValidateAudioConfiguration.cpp
deleted file mode 100644
index 50c5333..0000000
--- a/audio/core/2.0/vts/functional/ValidateAudioConfiguration.cpp
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <unistd.h>
-#include <string>
-
-#include "utility/ValidateXml.h"
-
-// Stringify the argument.
-#define QUOTE(x) #x
-#define STRINGIFY(x) QUOTE(x)
-
-#define AUDIO_HAL_VERSION V2_0
-
-TEST(CheckConfig, audioPolicyConfigurationValidation) {
-    RecordProperty("description",
-                   "Verify that the audio policy configuration file "
-                   "is valid according to the schema");
-
-    std::vector<const char*> locations = {"/odm/etc", "/vendor/etc", "/system/etc"};
-    const char* xsd =
-        "/data/local/tmp/audio_policy_configuration_" STRINGIFY(AUDIO_HAL_VERSION) ".xsd";
-    EXPECT_ONE_VALID_XML_MULTIPLE_LOCATIONS("audio_policy_configuration.xml", locations, xsd);
-}
diff --git a/audio/core/4.0/default/Android.bp b/audio/core/4.0/default/Android.bp
deleted file mode 100644
index 8e41545..0000000
--- a/audio/core/4.0/default/Android.bp
+++ /dev/null
@@ -1,53 +0,0 @@
-cc_library_shared {
-    name: "android.hardware.audio@4.0-impl",
-    relative_install_path: "hw",
-    proprietary: true,
-    vendor: true,
-    srcs: [
-        "Conversions.cpp",
-        "Device.cpp",
-        "DevicesFactory.cpp",
-        "ParametersUtil.cpp",
-        "PrimaryDevice.cpp",
-        "Stream.cpp",
-        "StreamIn.cpp",
-        "StreamOut.cpp",
-    ],
-
-    cflags: [
-        "-DAUDIO_HAL_VERSION_4_0",
-    ],
-
-    defaults: ["hidl_defaults"],
-
-    export_include_dirs: ["include"],
-
-    shared_libs: [
-        "libbase",
-        "libcutils",
-        "libfmq",
-        "libhardware",
-        "libhidlbase",
-        "libhidltransport",
-        "liblog",
-        "libutils",
-        "android.hardware.audio@4.0",
-        "android.hardware.audio.common@4.0",
-        "android.hardware.audio.common@4.0-util",
-        "android.hardware.audio.common-util",
-    ],
-
-    header_libs: [
-        "android.hardware.audio.common.util@all-versions",
-        "android.hardware.audio.core@all-versions-impl",
-        "libaudioclient_headers",
-        "libaudio_system_headers",
-        "libhardware_headers",
-        "libmedia_headers",
-    ],
-
-    whole_static_libs: [
-        "libmedia_helper",
-    ],
-
-}
diff --git a/audio/core/4.0/default/Conversions.cpp b/audio/core/4.0/default/Conversions.cpp
deleted file mode 100644
index 4f18744..0000000
--- a/audio/core/4.0/default/Conversions.cpp
+++ /dev/null
@@ -1,21 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "core/4.0/default/Conversions.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <core/all-versions/default/Conversions.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/core/4.0/default/Device.cpp b/audio/core/4.0/default/Device.cpp
deleted file mode 100644
index b33434e..0000000
--- a/audio/core/4.0/default/Device.cpp
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "DeviceHAL"
-
-#include "core/4.0/default/Device.h"
-#include <HidlUtils.h>
-#include "core/4.0/default/Conversions.h"
-#include "core/4.0/default/StreamIn.h"
-#include "core/4.0/default/StreamOut.h"
-#include "core/4.0/default/Util.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <core/all-versions/default/Device.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/core/4.0/default/DevicesFactory.cpp b/audio/core/4.0/default/DevicesFactory.cpp
deleted file mode 100644
index cb8a3c3..0000000
--- a/audio/core/4.0/default/DevicesFactory.cpp
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "DevicesFactoryHAL"
-
-#include "core/4.0/default/DevicesFactory.h"
-#include "core/4.0/default/Device.h"
-#include "core/4.0/default/PrimaryDevice.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <core/all-versions/default/DevicesFactory.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/core/4.0/default/OWNERS b/audio/core/4.0/default/OWNERS
deleted file mode 100644
index 6fdc97c..0000000
--- a/audio/core/4.0/default/OWNERS
+++ /dev/null
@@ -1,3 +0,0 @@
-elaurent@google.com
-krocard@google.com
-mnaganov@google.com
diff --git a/audio/core/4.0/default/ParametersUtil.cpp b/audio/core/4.0/default/ParametersUtil.cpp
deleted file mode 100644
index b90a8e7..0000000
--- a/audio/core/4.0/default/ParametersUtil.cpp
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "core/4.0/default/ParametersUtil.h"
-#include "core/4.0/default/Conversions.h"
-#include "core/4.0/default/Util.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <core/all-versions/default/ParametersUtil.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/core/4.0/default/PrimaryDevice.cpp b/audio/core/4.0/default/PrimaryDevice.cpp
deleted file mode 100644
index e3e4976..0000000
--- a/audio/core/4.0/default/PrimaryDevice.cpp
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "PrimaryDeviceHAL"
-
-#include "core/4.0/default/PrimaryDevice.h"
-#include "core/4.0/default/Util.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <core/all-versions/default/PrimaryDevice.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/core/4.0/default/Stream.cpp b/audio/core/4.0/default/Stream.cpp
deleted file mode 100644
index b8c71de..0000000
--- a/audio/core/4.0/default/Stream.cpp
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "StreamHAL"
-
-#include "core/4.0/default/Stream.h"
-#include "common/all-versions/default/EffectMap.h"
-#include "core/4.0/default/Conversions.h"
-#include "core/4.0/default/Util.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <core/all-versions/default/Stream.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/core/4.0/default/StreamIn.cpp b/audio/core/4.0/default/StreamIn.cpp
deleted file mode 100644
index 11a7a80..0000000
--- a/audio/core/4.0/default/StreamIn.cpp
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "StreamInHAL"
-
-#include "core/4.0/default/StreamIn.h"
-#include "core/4.0/default/Conversions.h"
-#include "core/4.0/default/Util.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <core/all-versions/default/StreamIn.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/core/4.0/default/StreamOut.cpp b/audio/core/4.0/default/StreamOut.cpp
deleted file mode 100644
index db88e40..0000000
--- a/audio/core/4.0/default/StreamOut.cpp
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "StreamOutHAL"
-
-#include "core/4.0/default/StreamOut.h"
-#include "core/4.0/default/Util.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <core/all-versions/default/StreamOut.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/core/4.0/default/include/core/4.0/default/Conversions.h b/audio/core/4.0/default/include/core/4.0/default/Conversions.h
deleted file mode 100644
index 32c2f88..0000000
--- a/audio/core/4.0/default/include/core/4.0/default/Conversions.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_V4_0_CONVERSIONS_H_
-#define ANDROID_HARDWARE_AUDIO_V4_0_CONVERSIONS_H_
-
-#include <android/hardware/audio/4.0/types.h>
-
-#define AUDIO_HAL_VERSION V4_0
-#include <core/all-versions/default/Conversions.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_V4_0_CONVERSIONS_H_
diff --git a/audio/core/4.0/default/include/core/4.0/default/Device.h b/audio/core/4.0/default/include/core/4.0/default/Device.h
deleted file mode 100644
index 770d606..0000000
--- a/audio/core/4.0/default/include/core/4.0/default/Device.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_V4_0_DEVICE_H
-#define ANDROID_HARDWARE_AUDIO_V4_0_DEVICE_H
-
-#include <android/hardware/audio/4.0/IDevice.h>
-
-#include "ParametersUtil.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <core/all-versions/default/Device.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_V4_0_DEVICE_H
diff --git a/audio/core/4.0/default/include/core/4.0/default/DevicesFactory.h b/audio/core/4.0/default/include/core/4.0/default/DevicesFactory.h
deleted file mode 100644
index 200e59d..0000000
--- a/audio/core/4.0/default/include/core/4.0/default/DevicesFactory.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_V4_0_DEVICESFACTORY_H
-#define ANDROID_HARDWARE_AUDIO_V4_0_DEVICESFACTORY_H
-
-#include <android/hardware/audio/4.0/IDevicesFactory.h>
-
-#define AUDIO_HAL_VERSION V4_0
-#include <core/all-versions/default/DevicesFactory.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_V4_0_DEVICESFACTORY_H
diff --git a/audio/core/4.0/default/include/core/4.0/default/ParametersUtil.h b/audio/core/4.0/default/include/core/4.0/default/ParametersUtil.h
deleted file mode 100644
index fa31ee9..0000000
--- a/audio/core/4.0/default/include/core/4.0/default/ParametersUtil.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_V4_0_PARAMETERS_UTIL_H_
-#define ANDROID_HARDWARE_AUDIO_V4_0_PARAMETERS_UTIL_H_
-
-#include <android/hardware/audio/4.0/types.h>
-
-#define AUDIO_HAL_VERSION V4_0
-#include <core/all-versions/default/ParametersUtil.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_V4_0_PARAMETERS_UTIL_H_
diff --git a/audio/core/4.0/default/include/core/4.0/default/PrimaryDevice.h b/audio/core/4.0/default/include/core/4.0/default/PrimaryDevice.h
deleted file mode 100644
index e7f846b..0000000
--- a/audio/core/4.0/default/include/core/4.0/default/PrimaryDevice.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_V4_0_PRIMARYDEVICE_H
-#define ANDROID_HARDWARE_AUDIO_V4_0_PRIMARYDEVICE_H
-
-#include <android/hardware/audio/4.0/IPrimaryDevice.h>
-
-#include "Device.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <core/all-versions/default/PrimaryDevice.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_V4_0_PRIMARYDEVICE_H
diff --git a/audio/core/4.0/default/include/core/4.0/default/Stream.h b/audio/core/4.0/default/include/core/4.0/default/Stream.h
deleted file mode 100644
index afad80f..0000000
--- a/audio/core/4.0/default/include/core/4.0/default/Stream.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_V4_0_STREAM_H
-#define ANDROID_HARDWARE_AUDIO_V4_0_STREAM_H
-
-#include <android/hardware/audio/4.0/IStream.h>
-
-#include "ParametersUtil.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <core/all-versions/default/Stream.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_V4_0_STREAM_H
diff --git a/audio/core/4.0/default/include/core/4.0/default/StreamIn.h b/audio/core/4.0/default/include/core/4.0/default/StreamIn.h
deleted file mode 100644
index 151f03f..0000000
--- a/audio/core/4.0/default/include/core/4.0/default/StreamIn.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_V4_0_STREAMIN_H
-#define ANDROID_HARDWARE_AUDIO_V4_0_STREAMIN_H
-
-#include <android/hardware/audio/4.0/IStreamIn.h>
-
-#include "Device.h"
-#include "Stream.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <core/all-versions/default/StreamIn.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_V4_0_STREAMIN_H
diff --git a/audio/core/4.0/default/include/core/4.0/default/StreamOut.h b/audio/core/4.0/default/include/core/4.0/default/StreamOut.h
deleted file mode 100644
index dbf3bd1..0000000
--- a/audio/core/4.0/default/include/core/4.0/default/StreamOut.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_V4_0_STREAMOUT_H
-#define ANDROID_HARDWARE_AUDIO_V4_0_STREAMOUT_H
-
-#include <android/hardware/audio/4.0/IStreamOut.h>
-
-#include "Device.h"
-#include "Stream.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <core/all-versions/default/StreamOut.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_V4_0_STREAMOUT_H
diff --git a/audio/core/4.0/default/include/core/4.0/default/Util.h b/audio/core/4.0/default/include/core/4.0/default/Util.h
deleted file mode 100644
index ce31e6f..0000000
--- a/audio/core/4.0/default/include/core/4.0/default/Util.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_V4_0_UTIL_H
-#define ANDROID_HARDWARE_AUDIO_V4_0_UTIL_H
-
-#include <android/hardware/audio/4.0/types.h>
-
-#define AUDIO_HAL_VERSION V4_0
-#include <core/all-versions/default/Util.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_V4_0_UTIL_H
diff --git a/audio/core/4.0/vts/OWNERS b/audio/core/4.0/vts/OWNERS
deleted file mode 100644
index 8711a9f..0000000
--- a/audio/core/4.0/vts/OWNERS
+++ /dev/null
@@ -1,5 +0,0 @@
-elaurent@google.com
-krocard@google.com
-mnaganov@google.com
-yim@google.com
-zhuoyao@google.com
\ No newline at end of file
diff --git a/audio/core/4.0/vts/functional/Android.bp b/audio/core/4.0/vts/functional/Android.bp
deleted file mode 100644
index 91a8c06..0000000
--- a/audio/core/4.0/vts/functional/Android.bp
+++ /dev/null
@@ -1,39 +0,0 @@
-//
-// Copyright (C) 2017 The Android Open Source Project
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
-
-cc_test {
-    name: "VtsHalAudioV4_0TargetTest",
-    defaults: ["VtsHalTargetTestDefaults"],
-    srcs: [
-        "4.0/AudioPrimaryHidlHalTest.cpp",
-        "ValidateAudioConfiguration.cpp"
-    ],
-    static_libs: [
-        "android.hardware.audio.common.test.utility",
-        "android.hardware.audio@4.0",
-        "android.hardware.audio.common@4.0",
-        "libicuuc",
-        "libicuuc_stubdata",
-        "libxml2",
-    ],
-    shared_libs: [
-        "libfmq",
-    ],
-    header_libs: [
-        "android.hardware.audio.common.util@all-versions",
-    ],
-    test_suites: ["general-tests"],
-}
diff --git a/audio/core/all-versions/default/Android.bp b/audio/core/all-versions/default/Android.bp
index bb02863..9c06510 100644
--- a/audio/core/all-versions/default/Android.bp
+++ b/audio/core/all-versions/default/Android.bp
@@ -1,7 +1,18 @@
-cc_library_headers {
-    name: "android.hardware.audio.core@all-versions-impl",
+cc_library_shared {
+    name: "android.hardware.audio@2.0-impl",
     relative_install_path: "hw",
+    proprietary: true,
     vendor: true,
+    srcs: [
+        "Conversions.cpp",
+        "Device.cpp",
+        "DevicesFactory.cpp",
+        "ParametersUtil.cpp",
+        "PrimaryDevice.cpp",
+        "Stream.cpp",
+        "StreamIn.cpp",
+        "StreamOut.cpp",
+    ],
 
     defaults: ["hidl_defaults"],
 
@@ -16,14 +27,81 @@
         "libhidltransport",
         "liblog",
         "libutils",
+        "android.hardware.audio@2.0",
+        "android.hardware.audio.common@2.0",
+        "android.hardware.audio.common@2.0-util",
         "android.hardware.audio.common-util",
     ],
 
     header_libs: [
+        "android.hardware.audio.common.util@all-versions",
         "libaudioclient_headers",
         "libaudio_system_headers",
         "libhardware_headers",
         "libmedia_headers",
-         "android.hardware.audio.common.util@all-versions",
     ],
+
+    whole_static_libs: [
+        "libmedia_helper",
+    ],
+
+    cflags: [
+        "-DMAJOR_VERSION=2",
+        "-DMINOR_VERSION=0",
+        "-include common/all-versions/VersionMacro.h",
+    ]
+}
+
+cc_library_shared {
+    name: "android.hardware.audio@4.0-impl",
+    relative_install_path: "hw",
+    proprietary: true,
+    vendor: true,
+    srcs: [
+        "Conversions.cpp",
+        "Device.cpp",
+        "DevicesFactory.cpp",
+        "ParametersUtil.cpp",
+        "PrimaryDevice.cpp",
+        "Stream.cpp",
+        "StreamIn.cpp",
+        "StreamOut.cpp",
+    ],
+
+    defaults: ["hidl_defaults"],
+
+    export_include_dirs: ["include"],
+
+    shared_libs: [
+        "libbase",
+        "libcutils",
+        "libfmq",
+        "libhardware",
+        "libhidlbase",
+        "libhidltransport",
+        "liblog",
+        "libutils",
+        "android.hardware.audio@4.0",
+        "android.hardware.audio.common@4.0",
+        "android.hardware.audio.common@4.0-util",
+        "android.hardware.audio.common-util",
+    ],
+
+    header_libs: [
+        "android.hardware.audio.common.util@all-versions",
+        "libaudioclient_headers",
+        "libaudio_system_headers",
+        "libhardware_headers",
+        "libmedia_headers",
+    ],
+
+    whole_static_libs: [
+        "libmedia_helper",
+    ],
+
+    cflags: [
+        "-DMAJOR_VERSION=4",
+        "-DMINOR_VERSION=0",
+        "-include common/all-versions/VersionMacro.h",
+    ]
 }
diff --git a/audio/core/all-versions/default/include/core/all-versions/default/Conversions.impl.h b/audio/core/all-versions/default/Conversions.cpp
similarity index 96%
rename from audio/core/all-versions/default/include/core/all-versions/default/Conversions.impl.h
rename to audio/core/all-versions/default/Conversions.cpp
index 5828c3f..7ce0c59 100644
--- a/audio/core/all-versions/default/include/core/all-versions/default/Conversions.impl.h
+++ b/audio/core/all-versions/default/Conversions.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#include "core/default/Conversions.h"
 
 #include <stdio.h>
 
@@ -23,10 +23,10 @@
 namespace android {
 namespace hardware {
 namespace audio {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioDevice;
+using ::android::hardware::audio::common::CPP_VERSION::AudioDevice;
 
 std::string deviceAddressToHal(const DeviceAddress& address) {
     // HAL assumes that the address is NUL-terminated.
@@ -58,7 +58,7 @@
     return halAddress;
 }
 
-#ifdef AUDIO_HAL_VERSION_4_0
+#if MAJOR_VERSION == 4
 status_t deviceAddressFromHal(audio_devices_t device, const char* halAddress,
                               DeviceAddress* address) {
     if (address == nullptr) {
@@ -188,7 +188,7 @@
 #endif
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace audio
 }  // namespace hardware
 }  // namespace android
diff --git a/audio/core/all-versions/default/include/core/all-versions/default/Device.impl.h b/audio/core/all-versions/default/Device.cpp
similarity index 94%
rename from audio/core/all-versions/default/include/core/all-versions/default/Device.impl.h
rename to audio/core/all-versions/default/Device.cpp
index 52d2186..b2bd405 100644
--- a/audio/core/all-versions/default/include/core/all-versions/default/Device.impl.h
+++ b/audio/core/all-versions/default/Device.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,14 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#define LOG_TAG "DeviceHAL"
+
+#include "core/default/Device.h"
+#include <HidlUtils.h>
+#include "core/default/Conversions.h"
+#include "core/default/StreamIn.h"
+#include "core/default/StreamOut.h"
+#include "core/default/Util.h"
 
 //#define LOG_NDEBUG 0
 
@@ -24,12 +31,12 @@
 
 #include <android/log.h>
 
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::HidlUtils;
+using ::android::hardware::audio::common::CPP_VERSION::HidlUtils;
 
 namespace android {
 namespace hardware {
 namespace audio {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 Device::Device(audio_hw_device_t* device) : mDevice(device) {}
@@ -61,7 +68,7 @@
     return mDevice->set_parameters(mDevice, keysAndValues);
 }
 
-// Methods from ::android::hardware::audio::AUDIO_HAL_VERSION::IDevice follow.
+// Methods from ::android::hardware::audio::CPP_VERSION::IDevice follow.
 Return<Result> Device::initCheck() {
     return analyzeStatus("init_check", mDevice->init_check(mDevice));
 }
@@ -132,7 +139,7 @@
 
 Return<void> Device::openOutputStream(int32_t ioHandle, const DeviceAddress& device,
                                       const AudioConfig& config, AudioOutputFlagBitfield flags,
-#ifdef AUDIO_HAL_VERSION_4_0
+#if MAJOR_VERSION == 4
                                       const SourceMetadata& /* sourceMetadata */,
 #endif
                                       openOutputStream_cb _hidl_cb) {
@@ -190,7 +197,7 @@
     return Void();
 }
 
-#ifdef AUDIO_HAL_VERSION_4_0
+#if MAJOR_VERSION == 4
 Return<void> Device::openInputStream(int32_t ioHandle, const DeviceAddress& device,
                                      const AudioConfig& config, AudioInputFlagBitfield flags,
                                      const SinkMetadata& sinkMetadata,
@@ -263,13 +270,13 @@
     return Result::NOT_SUPPORTED;
 }
 
-#ifdef AUDIO_HAL_VERSION_2_0
+#if MAJOR_VERSION == 2
 Return<AudioHwSync> Device::getHwAvSync() {
     int halHwAvSync;
     Result retval = getParam(AudioParameter::keyHwAvSync, &halHwAvSync);
     return retval == Result::OK ? halHwAvSync : AUDIO_HW_SYNC_INVALID;
 }
-#elif defined(AUDIO_HAL_VERSION_4_0)
+#elif MAJOR_VERSION == 4
 Return<void> Device::getHwAvSync(getHwAvSync_cb _hidl_cb) {
     int halHwAvSync;
     Result retval = getParam(AudioParameter::keyHwAvSync, &halHwAvSync);
@@ -282,7 +289,7 @@
     return setParam(AudioParameter::keyScreenState, turnedOn);
 }
 
-#ifdef AUDIO_HAL_VERSION_2_0
+#if MAJOR_VERSION == 2
 Return<void> Device::getParameters(const hidl_vec<hidl_string>& keys, getParameters_cb _hidl_cb) {
     getParametersImpl({}, keys, _hidl_cb);
     return Void();
@@ -291,7 +298,7 @@
 Return<Result> Device::setParameters(const hidl_vec<ParameterValue>& parameters) {
     return setParametersImpl({} /* context */, parameters);
 }
-#elif defined(AUDIO_HAL_VERSION_4_0)
+#elif MAJOR_VERSION == 4
 Return<void> Device::getParameters(const hidl_vec<ParameterValue>& context,
                                    const hidl_vec<hidl_string>& keys, getParameters_cb _hidl_cb) {
     getParametersImpl(context, keys, _hidl_cb);
@@ -303,7 +310,7 @@
 }
 #endif
 
-#ifdef AUDIO_HAL_VERSION_2_0
+#if MAJOR_VERSION == 2
 Return<void> Device::debugDump(const hidl_handle& fd) {
     return debug(fd, {});
 }
@@ -316,7 +323,7 @@
     return Void();
 }
 
-#ifdef AUDIO_HAL_VERSION_4_0
+#if MAJOR_VERSION == 4
 Return<void> Device::getMicrophones(getMicrophones_cb _hidl_cb) {
     Result retval = Result::NOT_SUPPORTED;
     size_t actual_mics = AUDIO_MICROPHONE_MAX_COUNT;
@@ -342,7 +349,7 @@
 #endif
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace audio
 }  // namespace hardware
 }  // namespace android
diff --git a/audio/core/all-versions/default/include/core/all-versions/default/DevicesFactory.impl.h b/audio/core/all-versions/default/DevicesFactory.cpp
similarity index 91%
rename from audio/core/all-versions/default/include/core/all-versions/default/DevicesFactory.impl.h
rename to audio/core/all-versions/default/DevicesFactory.cpp
index a9f59fb..67fc5d3 100644
--- a/audio/core/all-versions/default/include/core/all-versions/default/DevicesFactory.impl.h
+++ b/audio/core/all-versions/default/DevicesFactory.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,11 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#define LOG_TAG "DevicesFactoryHAL"
+
+#include "core/default/DevicesFactory.h"
+#include "core/default/Device.h"
+#include "core/default/PrimaryDevice.h"
 
 #include <string.h>
 
@@ -23,10 +27,10 @@
 namespace android {
 namespace hardware {
 namespace audio {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
-#ifdef AUDIO_HAL_VERSION_2_0
+#if MAJOR_VERSION == 2
 Return<void> DevicesFactory::openDevice(IDevicesFactory::Device device, openDevice_cb _hidl_cb) {
     switch (device) {
         case IDevicesFactory::Device::PRIMARY:
@@ -43,8 +47,7 @@
     _hidl_cb(Result::INVALID_ARGUMENTS, nullptr);
     return Void();
 }
-#endif
-#ifdef AUDIO_HAL_VERSION_4_0
+#elif MAJOR_VERSION == 4
 Return<void> DevicesFactory::openDevice(const hidl_string& moduleName, openDevice_cb _hidl_cb) {
     if (moduleName == AUDIO_HARDWARE_MODULE_ID_PRIMARY) {
         return openDevice<PrimaryDevice>(moduleName.c_str(), _hidl_cb);
@@ -111,7 +114,7 @@
 }
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace audio
 }  // namespace hardware
 }  // namespace android
diff --git a/audio/core/all-versions/OWNERS b/audio/core/all-versions/default/OWNERS
similarity index 100%
rename from audio/core/all-versions/OWNERS
rename to audio/core/all-versions/default/OWNERS
diff --git a/audio/core/all-versions/default/include/core/all-versions/default/ParametersUtil.impl.h b/audio/core/all-versions/default/ParametersUtil.cpp
similarity index 95%
rename from audio/core/all-versions/default/include/core/all-versions/default/ParametersUtil.impl.h
rename to audio/core/all-versions/default/ParametersUtil.cpp
index 39bd66a..0c8e28a 100644
--- a/audio/core/all-versions/default/include/core/all-versions/default/ParametersUtil.impl.h
+++ b/audio/core/all-versions/default/ParametersUtil.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,13 +14,16 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#include "core/default/ParametersUtil.h"
+#include "core/default/Conversions.h"
+#include "core/default/Util.h"
+
 #include <system/audio.h>
 
 namespace android {
 namespace hardware {
 namespace audio {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 /** Converts a status_t in Result according to the rules of AudioParameter::get*
@@ -158,7 +161,7 @@
 }
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace audio
 }  // namespace hardware
 }  // namespace android
diff --git a/audio/core/all-versions/default/include/core/all-versions/default/PrimaryDevice.impl.h b/audio/core/all-versions/default/PrimaryDevice.cpp
similarity index 94%
rename from audio/core/all-versions/default/include/core/all-versions/default/PrimaryDevice.impl.h
rename to audio/core/all-versions/default/PrimaryDevice.cpp
index f269dd4..ff0fecc 100644
--- a/audio/core/all-versions/default/include/core/all-versions/default/PrimaryDevice.impl.h
+++ b/audio/core/all-versions/default/PrimaryDevice.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,23 +14,26 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#define LOG_TAG "PrimaryDeviceHAL"
 
-#ifdef AUDIO_HAL_VERSION_4_0
+#include "core/default/PrimaryDevice.h"
+#include "core/default/Util.h"
+
+#if MAJOR_VERSION == 4
 #include <cmath>
 #endif
 
 namespace android {
 namespace hardware {
 namespace audio {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 PrimaryDevice::PrimaryDevice(audio_hw_device_t* device) : mDevice(new Device(device)) {}
 
 PrimaryDevice::~PrimaryDevice() {}
 
-// Methods from ::android::hardware::audio::AUDIO_HAL_VERSION::IDevice follow.
+// Methods from ::android::hardware::audio::CPP_VERSION::IDevice follow.
 Return<Result> PrimaryDevice::initCheck() {
     return mDevice->initCheck();
 }
@@ -64,7 +67,7 @@
     return mDevice->getInputBufferSize(config, _hidl_cb);
 }
 
-#ifdef AUDIO_HAL_VERSION_2_0
+#if MAJOR_VERSION == 2
 Return<void> PrimaryDevice::openOutputStream(int32_t ioHandle, const DeviceAddress& device,
                                              const AudioConfig& config,
                                              AudioOutputFlagBitfield flags,
@@ -77,7 +80,7 @@
                                             AudioSource source, openInputStream_cb _hidl_cb) {
     return mDevice->openInputStream(ioHandle, device, config, flags, source, _hidl_cb);
 }
-#elif defined(AUDIO_HAL_VERSION_4_0)
+#elif MAJOR_VERSION == 4
 Return<void> PrimaryDevice::openOutputStream(int32_t ioHandle, const DeviceAddress& device,
                                              const AudioConfig& config,
                                              AudioOutputFlagBitfield flags,
@@ -120,7 +123,7 @@
     return mDevice->setScreenState(turnedOn);
 }
 
-#ifdef AUDIO_HAL_VERSION_2_0
+#if MAJOR_VERSION == 2
 Return<AudioHwSync> PrimaryDevice::getHwAvSync() {
     return mDevice->getHwAvSync();
 }
@@ -137,7 +140,7 @@
 Return<void> PrimaryDevice::debugDump(const hidl_handle& fd) {
     return mDevice->debugDump(fd);
 }
-#elif defined(AUDIO_HAL_VERSION_4_0)
+#elif MAJOR_VERSION == 4
 Return<void> PrimaryDevice::getHwAvSync(getHwAvSync_cb _hidl_cb) {
     return mDevice->getHwAvSync(_hidl_cb);
 }
@@ -158,7 +161,7 @@
 }
 #endif
 
-// Methods from ::android::hardware::audio::AUDIO_HAL_VERSION::IPrimaryDevice follow.
+// Methods from ::android::hardware::audio::CPP_VERSION::IPrimaryDevice follow.
 Return<Result> PrimaryDevice::setVoiceVolume(float volume) {
     if (!isGainNormalized(volume)) {
         ALOGW("Can not set a voice volume (%f) outside [0,1]", volume);
@@ -271,7 +274,7 @@
     return mDevice->setParam(AUDIO_PARAMETER_KEY_HAC, enabled);
 }
 
-#ifdef AUDIO_HAL_VERSION_4_0
+#if MAJOR_VERSION == 4
 Return<Result> PrimaryDevice::setBtScoHeadsetDebugName(const hidl_string& name) {
     return mDevice->setParam(AUDIO_PARAMETER_KEY_BT_SCO_HEADSET_NAME, name.c_str());
 }
@@ -307,7 +310,7 @@
 }
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace audio
 }  // namespace hardware
 }  // namespace android
diff --git a/audio/core/all-versions/default/include/core/all-versions/default/Stream.impl.h b/audio/core/all-versions/default/Stream.cpp
similarity index 94%
rename from audio/core/all-versions/default/include/core/all-versions/default/Stream.impl.h
rename to audio/core/all-versions/default/Stream.cpp
index 3066800..f9a202b 100644
--- a/audio/core/all-versions/default/include/core/all-versions/default/Stream.impl.h
+++ b/audio/core/all-versions/default/Stream.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,12 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#define LOG_TAG "StreamHAL"
+
+#include "core/default/Stream.h"
+#include "common/all-versions/default/EffectMap.h"
+#include "core/default/Conversions.h"
+#include "core/default/Util.h"
 
 #include <inttypes.h>
 
@@ -28,7 +33,7 @@
 namespace android {
 namespace hardware {
 namespace audio {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 Stream::Stream(audio_stream_t* stream) : mStream(stream) {}
@@ -56,7 +61,7 @@
     return mStream->set_parameters(mStream, keysAndValues);
 }
 
-// Methods from ::android::hardware::audio::AUDIO_HAL_VERSION::IStream follow.
+// Methods from ::android::hardware::audio::CPP_VERSION::IStream follow.
 Return<uint64_t> Stream::getFrameSize() {
     // Needs to be implemented by interface subclasses. But can't be declared as pure virtual,
     // since interface subclasses implementation do not inherit from this class.
@@ -78,7 +83,7 @@
     return mStream->get_sample_rate(mStream);
 }
 
-#ifdef AUDIO_HAL_VERSION_2_0
+#if MAJOR_VERSION == 2
 Return<void> Stream::getSupportedSampleRates(getSupportedSampleRates_cb _hidl_cb) {
     return getSupportedSampleRates(getFormat(), _hidl_cb);
 }
@@ -106,9 +111,9 @@
             result = Result::NOT_SUPPORTED;
         }
     }
-#ifdef AUDIO_HAL_VERSION_2_0
+#if MAJOR_VERSION == 2
     _hidl_cb(sampleRates);
-#elif defined(AUDIO_HAL_VERSION_4_0)
+#elif MAJOR_VERSION == 4
     _hidl_cb(result, sampleRates);
 #endif
     return Void();
@@ -135,9 +140,9 @@
             result = Result::NOT_SUPPORTED;
         }
     }
-#ifdef AUDIO_HAL_VERSION_2_0
+#if MAJOR_VERSION == 2
     _hidl_cb(channelMasks);
-#elif defined(AUDIO_HAL_VERSION_4_0)
+#elif MAJOR_VERSION == 4
     _hidl_cb(result, channelMasks);
 #endif
     return Void();
@@ -216,7 +221,7 @@
     return setParam(AudioParameter::keyStreamHwAvSync, static_cast<int>(hwAvSync));
 }
 
-#ifdef AUDIO_HAL_VERSION_2_0
+#if MAJOR_VERSION == 2
 Return<AudioDevice> Stream::getDevice() {
     int device = 0;
     Result retval = getParam(AudioParameter::keyRouting, &device);
@@ -241,7 +246,7 @@
         connected ? AudioParameter::keyStreamConnect : AudioParameter::keyStreamDisconnect,
         address);
 }
-#elif defined(AUDIO_HAL_VERSION_4_0)
+#elif MAJOR_VERSION == 4
 Return<void> Stream::getDevices(getDevices_cb _hidl_cb) {
     int device = 0;
     Result retval = getParam(AudioParameter::keyRouting, &device);
@@ -313,14 +318,14 @@
     return Void();
 }
 
-#ifdef AUDIO_HAL_VERSION_2_0
+#if MAJOR_VERSION == 2
 Return<void> Stream::debugDump(const hidl_handle& fd) {
     return debug(fd, {} /* options */);
 }
 #endif
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace audio
 }  // namespace hardware
 }  // namespace android
diff --git a/audio/core/all-versions/default/include/core/all-versions/default/StreamIn.impl.h b/audio/core/all-versions/default/StreamIn.cpp
similarity index 95%
rename from audio/core/all-versions/default/include/core/all-versions/default/StreamIn.impl.h
rename to audio/core/all-versions/default/StreamIn.cpp
index 4eb4ef9..d19526a 100644
--- a/audio/core/all-versions/default/include/core/all-versions/default/StreamIn.impl.h
+++ b/audio/core/all-versions/default/StreamIn.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,11 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#define LOG_TAG "StreamInHAL"
+
+#include "core/default/StreamIn.h"
+#include "core/default/Conversions.h"
+#include "core/default/Util.h"
 
 //#define LOG_NDEBUG 0
 #define ATRACE_TAG ATRACE_TAG_AUDIO
@@ -24,13 +28,13 @@
 #include <utils/Trace.h>
 #include <memory>
 
-using ::android::hardware::audio::AUDIO_HAL_VERSION::MessageQueueFlagBits;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::ThreadInfo;
+using ::android::hardware::audio::common::CPP_VERSION::ThreadInfo;
+using ::android::hardware::audio::CPP_VERSION::MessageQueueFlagBits;
 
 namespace android {
 namespace hardware {
 namespace audio {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 namespace {
@@ -160,7 +164,7 @@
     mStream = nullptr;
 }
 
-// Methods from ::android::hardware::audio::AUDIO_HAL_VERSION::IStream follow.
+// Methods from ::android::hardware::audio::CPP_VERSION::IStream follow.
 Return<uint64_t> StreamIn::getFrameSize() {
     return audio_stream_in_frame_size(mStream);
 }
@@ -177,7 +181,7 @@
     return mStreamCommon->getSampleRate();
 }
 
-#ifdef AUDIO_HAL_VERSION_2_0
+#if MAJOR_VERSION == 2
 Return<void> StreamIn::getSupportedChannelMasks(getSupportedChannelMasks_cb _hidl_cb) {
     return mStreamCommon->getSupportedChannelMasks(_hidl_cb);
 }
@@ -239,7 +243,7 @@
     return mStreamCommon->setHwAvSync(hwAvSync);
 }
 
-#ifdef AUDIO_HAL_VERSION_2_0
+#if MAJOR_VERSION == 2
 Return<Result> StreamIn::setConnectedState(const DeviceAddress& address, bool connected) {
     return mStreamCommon->setConnectedState(address, connected);
 }
@@ -263,7 +267,7 @@
 Return<void> StreamIn::debugDump(const hidl_handle& fd) {
     return mStreamCommon->debugDump(fd);
 }
-#elif defined(AUDIO_HAL_VERSION_4_0)
+#elif MAJOR_VERSION == 4
 Return<void> StreamIn::getDevices(getDevices_cb _hidl_cb) {
     return mStreamCommon->getDevices(_hidl_cb);
 }
@@ -311,7 +315,7 @@
     return Result::OK;
 }
 
-// Methods from ::android::hardware::audio::AUDIO_HAL_VERSION::IStreamIn follow.
+// Methods from ::android::hardware::audio::CPP_VERSION::IStreamIn follow.
 Return<void> StreamIn::getAudioSource(getAudioSource_cb _hidl_cb) {
     int halSource;
     Result retval = mStreamCommon->getParam(AudioParameter::keyInputSource, &halSource);
@@ -445,7 +449,7 @@
     return mStreamCommon->debug(fd, options);
 }
 
-#ifdef AUDIO_HAL_VERSION_4_0
+#if MAJOR_VERSION == 4
 Return<void> StreamIn::updateSinkMetadata(const SinkMetadata& sinkMetadata) {
     if (mStream->update_sink_metadata == nullptr) {
         return Void();  // not supported by the HAL
@@ -485,7 +489,7 @@
 #endif
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace audio
 }  // namespace hardware
 }  // namespace android
diff --git a/audio/core/all-versions/default/include/core/all-versions/default/StreamOut.impl.h b/audio/core/all-versions/default/StreamOut.cpp
similarity index 96%
rename from audio/core/all-versions/default/include/core/all-versions/default/StreamOut.impl.h
rename to audio/core/all-versions/default/StreamOut.cpp
index da0a12f..4ae0fb1 100644
--- a/audio/core/all-versions/default/include/core/all-versions/default/StreamOut.impl.h
+++ b/audio/core/all-versions/default/StreamOut.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,10 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#define LOG_TAG "StreamOutHAL"
+
+#include "core/default/StreamOut.h"
+#include "core/default/Util.h"
 
 //#define LOG_NDEBUG 0
 #define ATRACE_TAG ATRACE_TAG_AUDIO
@@ -28,10 +31,10 @@
 namespace android {
 namespace hardware {
 namespace audio {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::ThreadInfo;
+using ::android::hardware::audio::common::CPP_VERSION::ThreadInfo;
 
 namespace {
 
@@ -165,7 +168,7 @@
     mStream = nullptr;
 }
 
-// Methods from ::android::hardware::audio::AUDIO_HAL_VERSION::IStream follow.
+// Methods from ::android::hardware::audio::CPP_VERSION::IStream follow.
 Return<uint64_t> StreamOut::getFrameSize() {
     return audio_stream_out_frame_size(mStream);
 }
@@ -182,7 +185,7 @@
     return mStreamCommon->getSampleRate();
 }
 
-#ifdef AUDIO_HAL_VERSION_2_0
+#if MAJOR_VERSION == 2
 Return<void> StreamOut::getSupportedChannelMasks(getSupportedChannelMasks_cb _hidl_cb) {
     return mStreamCommon->getSupportedChannelMasks(_hidl_cb);
 }
@@ -244,7 +247,7 @@
     return mStreamCommon->setHwAvSync(hwAvSync);
 }
 
-#ifdef AUDIO_HAL_VERSION_2_0
+#if MAJOR_VERSION == 2
 Return<Result> StreamOut::setConnectedState(const DeviceAddress& address, bool connected) {
     return mStreamCommon->setConnectedState(address, connected);
 }
@@ -269,7 +272,7 @@
 Return<void> StreamOut::debugDump(const hidl_handle& fd) {
     return mStreamCommon->debugDump(fd);
 }
-#elif defined(AUDIO_HAL_VERSION_4_0)
+#elif MAJOR_VERSION == 4
 Return<void> StreamOut::getDevices(getDevices_cb _hidl_cb) {
     return mStreamCommon->getDevices(_hidl_cb);
 }
@@ -301,7 +304,7 @@
     return Result::OK;
 }
 
-// Methods from ::android::hardware::audio::AUDIO_HAL_VERSION::IStreamOut follow.
+// Methods from ::android::hardware::audio::CPP_VERSION::IStreamOut follow.
 Return<uint32_t> StreamOut::getLatency() {
     return mStream->get_latency(mStream);
 }
@@ -544,7 +547,7 @@
     return mStreamCommon->debug(fd, options);
 }
 
-#ifdef AUDIO_HAL_VERSION_4_0
+#if MAJOR_VERSION == 4
 Return<void> StreamOut::updateSourceMetadata(const SourceMetadata& sourceMetadata) {
     if (mStream->update_source_metadata == nullptr) {
         return Void();  // not supported by the HAL
@@ -571,7 +574,7 @@
 #endif
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace audio
 }  // namespace hardware
 }  // namespace android
diff --git a/audio/core/all-versions/default/include/core/all-versions/default/Conversions.h b/audio/core/all-versions/default/include/core/default/Conversions.h
similarity index 72%
rename from audio/core/all-versions/default/include/core/all-versions/default/Conversions.h
rename to audio/core/all-versions/default/include/core/default/Conversions.h
index b38eca3..f843450 100644
--- a/audio/core/all-versions/default/include/core/all-versions/default/Conversions.h
+++ b/audio/core/all-versions/default/include/core/default/Conversions.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,10 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#ifndef ANDROID_HARDWARE_AUDIO_CONVERSIONS_H_
+#define ANDROID_HARDWARE_AUDIO_CONVERSIONS_H_
+
+#include PATH(android/hardware/audio/FILE_VERSION/types.h)
 
 #include <string>
 
@@ -23,20 +26,22 @@
 namespace android {
 namespace hardware {
 namespace audio {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
-using ::android::hardware::audio::AUDIO_HAL_VERSION::DeviceAddress;
+using ::android::hardware::audio::CPP_VERSION::DeviceAddress;
 
 std::string deviceAddressToHal(const DeviceAddress& address);
 
-#ifdef AUDIO_HAL_VERSION_4_0
+#if MAJOR_VERSION == 4
 bool halToMicrophoneCharacteristics(MicrophoneInfo* pDst,
                                     const struct audio_microphone_characteristic_t& src);
 #endif
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace audio
 }  // namespace hardware
 }  // namespace android
+
+#endif  // ANDROID_HARDWARE_AUDIO_CONVERSIONS_H_
diff --git a/audio/core/all-versions/default/include/core/all-versions/default/Device.h b/audio/core/all-versions/default/include/core/default/Device.h
similarity index 74%
rename from audio/core/all-versions/default/include/core/all-versions/default/Device.h
rename to audio/core/all-versions/default/include/core/default/Device.h
index c627145..b92b90a 100644
--- a/audio/core/all-versions/default/include/core/all-versions/default/Device.h
+++ b/audio/core/all-versions/default/include/core/default/Device.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,12 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#ifndef ANDROID_HARDWARE_AUDIO_DEVICE_H
+#define ANDROID_HARDWARE_AUDIO_DEVICE_H
+
+#include PATH(android/hardware/audio/FILE_VERSION/IDevice.h)
+
+#include "ParametersUtil.h"
 
 #include <memory>
 
@@ -30,7 +35,7 @@
 namespace android {
 namespace hardware {
 namespace audio {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 using ::android::sp;
@@ -38,33 +43,32 @@
 using ::android::hardware::hidl_vec;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
-using ::android::hardware::audio::AUDIO_HAL_VERSION::DeviceAddress;
-using ::android::hardware::audio::AUDIO_HAL_VERSION::IDevice;
-using ::android::hardware::audio::AUDIO_HAL_VERSION::IStreamIn;
-using ::android::hardware::audio::AUDIO_HAL_VERSION::IStreamOut;
-using ::android::hardware::audio::AUDIO_HAL_VERSION::ParameterValue;
-using ::android::hardware::audio::AUDIO_HAL_VERSION::Result;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioConfig;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioHwSync;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioInputFlag;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioOutputFlag;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioPatchHandle;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioPort;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioPortConfig;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioSource;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::implementation::AudioInputFlagBitfield;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::implementation::
-    AudioOutputFlagBitfield;
+using ::android::hardware::audio::common::CPP_VERSION::AudioConfig;
+using ::android::hardware::audio::common::CPP_VERSION::AudioHwSync;
+using ::android::hardware::audio::common::CPP_VERSION::AudioInputFlag;
+using ::android::hardware::audio::common::CPP_VERSION::AudioOutputFlag;
+using ::android::hardware::audio::common::CPP_VERSION::AudioPatchHandle;
+using ::android::hardware::audio::common::CPP_VERSION::AudioPort;
+using ::android::hardware::audio::common::CPP_VERSION::AudioPortConfig;
+using ::android::hardware::audio::common::CPP_VERSION::AudioSource;
+using ::android::hardware::audio::common::CPP_VERSION::implementation::AudioInputFlagBitfield;
+using ::android::hardware::audio::common::CPP_VERSION::implementation::AudioOutputFlagBitfield;
+using ::android::hardware::audio::CPP_VERSION::DeviceAddress;
+using ::android::hardware::audio::CPP_VERSION::IDevice;
+using ::android::hardware::audio::CPP_VERSION::IStreamIn;
+using ::android::hardware::audio::CPP_VERSION::IStreamOut;
+using ::android::hardware::audio::CPP_VERSION::ParameterValue;
+using ::android::hardware::audio::CPP_VERSION::Result;
 
-#ifdef AUDIO_HAL_VERSION_4_0
-using ::android::hardware::audio::AUDIO_HAL_VERSION::SinkMetadata;
-using ::android::hardware::audio::AUDIO_HAL_VERSION::SourceMetadata;
+#if MAJOR_VERSION == 4
+using ::android::hardware::audio::CPP_VERSION::SinkMetadata;
+using ::android::hardware::audio::CPP_VERSION::SourceMetadata;
 #endif
 
 struct Device : public IDevice, public ParametersUtil {
     explicit Device(audio_hw_device_t* device);
 
-    // Methods from ::android::hardware::audio::AUDIO_HAL_VERSION::IDevice follow.
+    // Methods from ::android::hardware::audio::CPP_VERSION::IDevice follow.
     Return<Result> initCheck() override;
     Return<Result> setMasterVolume(float volume) override;
     Return<void> getMasterVolume(getMasterVolume_cb _hidl_cb) override;
@@ -79,11 +83,11 @@
     Return<void> openInputStream(int32_t ioHandle, const DeviceAddress& device,
                                  const AudioConfig& config, AudioInputFlagBitfield flags,
                                  AudioSource source, openInputStream_cb _hidl_cb);
-#ifdef AUDIO_HAL_VERSION_2_0
+#if MAJOR_VERSION == 2
     Return<void> openOutputStream(int32_t ioHandle, const DeviceAddress& device,
                                   const AudioConfig& config, AudioOutputFlagBitfield flags,
                                   openOutputStream_cb _hidl_cb) override;
-#elif defined(AUDIO_HAL_VERSION_4_0)
+#elif MAJOR_VERSION == 4
     Return<void> openOutputStream(int32_t ioHandle, const DeviceAddress& device,
                                   const AudioConfig& config, AudioOutputFlagBitfield flags,
                                   const SourceMetadata& sourceMetadata,
@@ -104,13 +108,13 @@
 
     Return<Result> setScreenState(bool turnedOn) override;
 
-#ifdef AUDIO_HAL_VERSION_2_0
+#if MAJOR_VERSION == 2
     Return<AudioHwSync> getHwAvSync() override;
     Return<void> getParameters(const hidl_vec<hidl_string>& keys,
                                getParameters_cb _hidl_cb) override;
     Return<Result> setParameters(const hidl_vec<ParameterValue>& parameters) override;
     Return<void> debugDump(const hidl_handle& fd) override;
-#elif defined(AUDIO_HAL_VERSION_4_0)
+#elif MAJOR_VERSION == 4
     Return<void> getHwAvSync(getHwAvSync_cb _hidl_cb) override;
     Return<void> getParameters(const hidl_vec<ParameterValue>& context,
                                const hidl_vec<hidl_string>& keys,
@@ -143,7 +147,9 @@
 };
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace audio
 }  // namespace hardware
 }  // namespace android
+
+#endif  // ANDROID_HARDWARE_AUDIO_DEVICE_H
diff --git a/audio/core/all-versions/default/include/core/all-versions/default/DevicesFactory.h b/audio/core/all-versions/default/include/core/default/DevicesFactory.h
similarity index 75%
rename from audio/core/all-versions/default/include/core/all-versions/default/DevicesFactory.h
rename to audio/core/all-versions/default/include/core/default/DevicesFactory.h
index a2907e0..00c983d 100644
--- a/audio/core/all-versions/default/include/core/all-versions/default/DevicesFactory.h
+++ b/audio/core/all-versions/default/include/core/default/DevicesFactory.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,10 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#ifndef ANDROID_HARDWARE_AUDIO_DEVICESFACTORY_H
+#define ANDROID_HARDWARE_AUDIO_DEVICESFACTORY_H
+
+#include PATH(android/hardware/audio/FILE_VERSION/IDevicesFactory.h)
 
 #include <hardware/audio.h>
 
@@ -24,7 +27,7 @@
 namespace android {
 namespace hardware {
 namespace audio {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 using ::android::sp;
@@ -32,15 +35,14 @@
 using ::android::hardware::hidl_vec;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
-using ::android::hardware::audio::AUDIO_HAL_VERSION::IDevice;
-using ::android::hardware::audio::AUDIO_HAL_VERSION::IDevicesFactory;
-using ::android::hardware::audio::AUDIO_HAL_VERSION::Result;
+using ::android::hardware::audio::CPP_VERSION::IDevice;
+using ::android::hardware::audio::CPP_VERSION::IDevicesFactory;
+using ::android::hardware::audio::CPP_VERSION::Result;
 
 struct DevicesFactory : public IDevicesFactory {
-#ifdef AUDIO_HAL_VERSION_2_0
+#if MAJOR_VERSION == 2
     Return<void> openDevice(IDevicesFactory::Device device, openDevice_cb _hidl_cb) override;
-#endif
-#ifdef AUDIO_HAL_VERSION_4_0
+#elif MAJOR_VERSION == 4
     Return<void> openDevice(const hidl_string& device, openDevice_cb _hidl_cb) override;
     Return<void> openPrimaryDevice(openPrimaryDevice_cb _hidl_cb) override;
 #endif
@@ -56,7 +58,9 @@
 extern "C" IDevicesFactory* HIDL_FETCH_IDevicesFactory(const char* name);
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace audio
 }  // namespace hardware
 }  // namespace android
+
+#endif  // ANDROID_HARDWARE_AUDIO_DEVICESFACTORY_H
diff --git a/audio/core/all-versions/default/include/core/all-versions/default/ParametersUtil.h b/audio/core/all-versions/default/include/core/default/ParametersUtil.h
similarity index 80%
rename from audio/core/all-versions/default/include/core/all-versions/default/ParametersUtil.h
rename to audio/core/all-versions/default/include/core/default/ParametersUtil.h
index 8f16ac2..ba4ca0c 100644
--- a/audio/core/all-versions/default/include/core/all-versions/default/ParametersUtil.h
+++ b/audio/core/all-versions/default/include/core/default/ParametersUtil.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,10 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#ifndef ANDROID_HARDWARE_AUDIO_PARAMETERS_UTIL_H_
+#define ANDROID_HARDWARE_AUDIO_PARAMETERS_UTIL_H_
+
+#include PATH(android/hardware/audio/FILE_VERSION/types.h)
 
 #include <functional>
 #include <memory>
@@ -25,14 +28,14 @@
 namespace android {
 namespace hardware {
 namespace audio {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 using ::android::hardware::hidl_string;
 using ::android::hardware::hidl_vec;
-using ::android::hardware::audio::AUDIO_HAL_VERSION::DeviceAddress;
-using ::android::hardware::audio::AUDIO_HAL_VERSION::ParameterValue;
-using ::android::hardware::audio::AUDIO_HAL_VERSION::Result;
+using ::android::hardware::audio::CPP_VERSION::DeviceAddress;
+using ::android::hardware::audio::CPP_VERSION::ParameterValue;
+using ::android::hardware::audio::CPP_VERSION::Result;
 
 class ParametersUtil {
    public:
@@ -60,7 +63,9 @@
 };
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace audio
 }  // namespace hardware
 }  // namespace android
+
+#endif  // ANDROID_HARDWARE_AUDIO_PARAMETERS_UTIL_H_
diff --git a/audio/core/all-versions/default/include/core/all-versions/default/PrimaryDevice.h b/audio/core/all-versions/default/include/core/default/PrimaryDevice.h
similarity index 77%
rename from audio/core/all-versions/default/include/core/all-versions/default/PrimaryDevice.h
rename to audio/core/all-versions/default/include/core/default/PrimaryDevice.h
index bb09e5f..e5aa05b 100644
--- a/audio/core/all-versions/default/include/core/all-versions/default/PrimaryDevice.h
+++ b/audio/core/all-versions/default/include/core/default/PrimaryDevice.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,12 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#ifndef ANDROID_HARDWARE_AUDIO_PRIMARYDEVICE_H
+#define ANDROID_HARDWARE_AUDIO_PRIMARYDEVICE_H
+
+#include PATH(android/hardware/audio/FILE_VERSION/IPrimaryDevice.h)
+
+#include "Device.h"
 
 #include <hidl/Status.h>
 
@@ -23,7 +28,7 @@
 namespace android {
 namespace hardware {
 namespace audio {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 using ::android::sp;
@@ -31,25 +36,25 @@
 using ::android::hardware::hidl_vec;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
-using ::android::hardware::audio::AUDIO_HAL_VERSION::DeviceAddress;
-using ::android::hardware::audio::AUDIO_HAL_VERSION::IDevice;
-using ::android::hardware::audio::AUDIO_HAL_VERSION::IPrimaryDevice;
-using ::android::hardware::audio::AUDIO_HAL_VERSION::IStreamIn;
-using ::android::hardware::audio::AUDIO_HAL_VERSION::IStreamOut;
-using ::android::hardware::audio::AUDIO_HAL_VERSION::ParameterValue;
-using ::android::hardware::audio::AUDIO_HAL_VERSION::Result;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioConfig;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioInputFlag;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioMode;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioOutputFlag;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioPort;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioPortConfig;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioSource;
+using ::android::hardware::audio::common::CPP_VERSION::AudioConfig;
+using ::android::hardware::audio::common::CPP_VERSION::AudioInputFlag;
+using ::android::hardware::audio::common::CPP_VERSION::AudioMode;
+using ::android::hardware::audio::common::CPP_VERSION::AudioOutputFlag;
+using ::android::hardware::audio::common::CPP_VERSION::AudioPort;
+using ::android::hardware::audio::common::CPP_VERSION::AudioPortConfig;
+using ::android::hardware::audio::common::CPP_VERSION::AudioSource;
+using ::android::hardware::audio::CPP_VERSION::DeviceAddress;
+using ::android::hardware::audio::CPP_VERSION::IDevice;
+using ::android::hardware::audio::CPP_VERSION::IPrimaryDevice;
+using ::android::hardware::audio::CPP_VERSION::IStreamIn;
+using ::android::hardware::audio::CPP_VERSION::IStreamOut;
+using ::android::hardware::audio::CPP_VERSION::ParameterValue;
+using ::android::hardware::audio::CPP_VERSION::Result;
 
 struct PrimaryDevice : public IPrimaryDevice {
     explicit PrimaryDevice(audio_hw_device_t* device);
 
-    // Methods from ::android::hardware::audio::AUDIO_HAL_VERSION::IDevice follow.
+    // Methods from ::android::hardware::audio::CPP_VERSION::IDevice follow.
     Return<Result> initCheck() override;
     Return<Result> setMasterVolume(float volume) override;
     Return<void> getMasterVolume(getMasterVolume_cb _hidl_cb) override;
@@ -62,7 +67,7 @@
 
     Return<void> openOutputStream(int32_t ioHandle, const DeviceAddress& device,
                                   const AudioConfig& config, AudioOutputFlagBitfield flags,
-#ifdef AUDIO_HAL_VERSION_4_0
+#if MAJOR_VERSION == 4
                                   const SourceMetadata& sourceMetadata,
 #endif
                                   openOutputStream_cb _hidl_cb) override;
@@ -70,7 +75,7 @@
     Return<void> openInputStream(int32_t ioHandle, const DeviceAddress& device,
                                  const AudioConfig& config, AudioInputFlagBitfield flags,
                                  AudioSource source, openInputStream_cb _hidl_cb);
-#ifdef AUDIO_HAL_VERSION_4_0
+#if MAJOR_VERSION == 4
     Return<void> openInputStream(int32_t ioHandle, const DeviceAddress& device,
                                  const AudioConfig& config, AudioInputFlagBitfield flags,
                                  const SinkMetadata& sinkMetadata,
@@ -87,13 +92,13 @@
 
     Return<Result> setScreenState(bool turnedOn) override;
 
-#ifdef AUDIO_HAL_VERSION_2_0
+#if MAJOR_VERSION == 2
     Return<AudioHwSync> getHwAvSync() override;
     Return<void> getParameters(const hidl_vec<hidl_string>& keys,
                                getParameters_cb _hidl_cb) override;
     Return<Result> setParameters(const hidl_vec<ParameterValue>& parameters) override;
     Return<void> debugDump(const hidl_handle& fd) override;
-#elif defined(AUDIO_HAL_VERSION_4_0)
+#elif MAJOR_VERSION == 4
     Return<void> getHwAvSync(getHwAvSync_cb _hidl_cb) override;
     Return<void> getParameters(const hidl_vec<ParameterValue>& context,
                                const hidl_vec<hidl_string>& keys,
@@ -106,7 +111,7 @@
 
     Return<void> debug(const hidl_handle& fd, const hidl_vec<hidl_string>& options) override;
 
-    // Methods from ::android::hardware::audio::AUDIO_HAL_VERSION::IPrimaryDevice follow.
+    // Methods from ::android::hardware::audio::CPP_VERSION::IPrimaryDevice follow.
     Return<Result> setVoiceVolume(float volume) override;
     Return<Result> setMode(AudioMode mode) override;
     Return<void> getBtScoNrecEnabled(getBtScoNrecEnabled_cb _hidl_cb) override;
@@ -118,7 +123,7 @@
     Return<void> getHacEnabled(getHacEnabled_cb _hidl_cb) override;
     Return<Result> setHacEnabled(bool enabled) override;
 
-#ifdef AUDIO_HAL_VERSION_4_0
+#if MAJOR_VERSION == 4
     Return<Result> setBtScoHeadsetDebugName(const hidl_string& name) override;
     Return<void> getBtHfpEnabled(getBtHfpEnabled_cb _hidl_cb) override;
     Return<Result> setBtHfpEnabled(bool enabled) override;
@@ -134,7 +139,9 @@
 };
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace audio
 }  // namespace hardware
 }  // namespace android
+
+#endif  // ANDROID_HARDWARE_AUDIO_PRIMARYDEVICE_H
diff --git a/audio/core/all-versions/default/include/core/all-versions/default/Stream.h b/audio/core/all-versions/default/include/core/default/Stream.h
similarity index 88%
rename from audio/core/all-versions/default/include/core/all-versions/default/Stream.h
rename to audio/core/all-versions/default/include/core/default/Stream.h
index 8d6b530..87afa7c 100644
--- a/audio/core/all-versions/default/include/core/all-versions/default/Stream.h
+++ b/audio/core/all-versions/default/include/core/default/Stream.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,12 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#ifndef ANDROID_HARDWARE_AUDIO_STREAM_H
+#define ANDROID_HARDWARE_AUDIO_STREAM_H
+
+#include PATH(android/hardware/audio/FILE_VERSION/IStream.h)
+
+#include "ParametersUtil.h"
 
 #include <vector>
 
@@ -28,7 +33,7 @@
 namespace android {
 namespace hardware {
 namespace audio {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 using ::android::sp;
@@ -36,14 +41,14 @@
 using ::android::hardware::hidl_vec;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
-using ::android::hardware::audio::AUDIO_HAL_VERSION::DeviceAddress;
-using ::android::hardware::audio::AUDIO_HAL_VERSION::IStream;
-using ::android::hardware::audio::AUDIO_HAL_VERSION::ParameterValue;
-using ::android::hardware::audio::AUDIO_HAL_VERSION::Result;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioChannelMask;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioDevice;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioFormat;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::implementation::AudioChannelBitfield;
+using ::android::hardware::audio::common::CPP_VERSION::AudioChannelMask;
+using ::android::hardware::audio::common::CPP_VERSION::AudioDevice;
+using ::android::hardware::audio::common::CPP_VERSION::AudioFormat;
+using ::android::hardware::audio::common::CPP_VERSION::implementation::AudioChannelBitfield;
+using ::android::hardware::audio::CPP_VERSION::DeviceAddress;
+using ::android::hardware::audio::CPP_VERSION::IStream;
+using ::android::hardware::audio::CPP_VERSION::ParameterValue;
+using ::android::hardware::audio::CPP_VERSION::Result;
 
 struct Stream : public IStream, public ParametersUtil {
     explicit Stream(audio_stream_t* stream);
@@ -55,12 +60,12 @@
      */
     static constexpr uint32_t MAX_BUFFER_SIZE = 2 << 30 /* == 1GiB */;
 
-    // Methods from ::android::hardware::audio::AUDIO_HAL_VERSION::IStream follow.
+    // Methods from ::android::hardware::audio::CPP_VERSION::IStream follow.
     Return<uint64_t> getFrameSize() override;
     Return<uint64_t> getFrameCount() override;
     Return<uint64_t> getBufferSize() override;
     Return<uint32_t> getSampleRate() override;
-#ifdef AUDIO_HAL_VERSION_2_0
+#if MAJOR_VERSION == 2
     Return<void> getSupportedSampleRates(getSupportedSampleRates_cb _hidl_cb) override;
     Return<void> getSupportedChannelMasks(getSupportedChannelMasks_cb _hidl_cb) override;
 #endif
@@ -76,14 +81,14 @@
     Return<Result> addEffect(uint64_t effectId) override;
     Return<Result> removeEffect(uint64_t effectId) override;
     Return<Result> standby() override;
-#ifdef AUDIO_HAL_VERSION_2_0
+#if MAJOR_VERSION == 2
     Return<AudioDevice> getDevice() override;
     Return<Result> setDevice(const DeviceAddress& address) override;
     Return<void> getParameters(const hidl_vec<hidl_string>& keys,
                                getParameters_cb _hidl_cb) override;
     Return<Result> setParameters(const hidl_vec<ParameterValue>& parameters) override;
     Return<Result> setConnectedState(const DeviceAddress& address, bool connected) override;
-#elif defined(AUDIO_HAL_VERSION_4_0)
+#elif MAJOR_VERSION == 4
     Return<void> getDevices(getDevices_cb _hidl_cb) override;
     Return<Result> setDevices(const hidl_vec<DeviceAddress>& devices) override;
     Return<void> getParameters(const hidl_vec<ParameterValue>& context,
@@ -100,7 +105,7 @@
     Return<Result> close() override;
 
     Return<void> debug(const hidl_handle& fd, const hidl_vec<hidl_string>& options) override;
-#ifdef AUDIO_HAL_VERSION_2_0
+#if MAJOR_VERSION == 2
     Return<void> debugDump(const hidl_handle& fd) override;
 #endif
 
@@ -171,7 +176,7 @@
             halInfo.buffer_size_frames = abs(halInfo.buffer_size_frames);
             info.sharedMemory =  // hidl_memory size must always be positive
                 hidl_memory("audio_buffer", hidlHandle, frameSize * halInfo.buffer_size_frames);
-#ifdef AUDIO_HAL_VERSION_2_0
+#if MAJOR_VERSION == 2
             if (applicationShareable) {
                 halInfo.buffer_size_frames *= -1;
             }
@@ -210,7 +215,9 @@
 }
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace audio
 }  // namespace hardware
 }  // namespace android
+
+#endif  // ANDROID_HARDWARE_AUDIO_STREAM_H
diff --git a/audio/core/all-versions/default/include/core/all-versions/default/StreamIn.h b/audio/core/all-versions/default/include/core/default/StreamIn.h
similarity index 81%
rename from audio/core/all-versions/default/include/core/all-versions/default/StreamIn.h
rename to audio/core/all-versions/default/include/core/default/StreamIn.h
index d32b222..52d97eb 100644
--- a/audio/core/all-versions/default/include/core/all-versions/default/StreamIn.h
+++ b/audio/core/all-versions/default/include/core/default/StreamIn.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,13 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#ifndef ANDROID_HARDWARE_AUDIO_STREAMIN_H
+#define ANDROID_HARDWARE_AUDIO_STREAMIN_H
+
+#include PATH(android/hardware/audio/FILE_VERSION/IStreamIn.h)
+
+#include "Device.h"
+#include "Stream.h"
 
 #include <atomic>
 #include <memory>
@@ -28,7 +34,7 @@
 namespace android {
 namespace hardware {
 namespace audio {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 using ::android::sp;
@@ -36,15 +42,15 @@
 using ::android::hardware::hidl_vec;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
-using ::android::hardware::audio::AUDIO_HAL_VERSION::DeviceAddress;
-using ::android::hardware::audio::AUDIO_HAL_VERSION::IStream;
-using ::android::hardware::audio::AUDIO_HAL_VERSION::IStreamIn;
-using ::android::hardware::audio::AUDIO_HAL_VERSION::ParameterValue;
-using ::android::hardware::audio::AUDIO_HAL_VERSION::Result;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioChannelMask;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioDevice;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioFormat;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioSource;
+using ::android::hardware::audio::common::CPP_VERSION::AudioChannelMask;
+using ::android::hardware::audio::common::CPP_VERSION::AudioDevice;
+using ::android::hardware::audio::common::CPP_VERSION::AudioFormat;
+using ::android::hardware::audio::common::CPP_VERSION::AudioSource;
+using ::android::hardware::audio::CPP_VERSION::DeviceAddress;
+using ::android::hardware::audio::CPP_VERSION::IStream;
+using ::android::hardware::audio::CPP_VERSION::IStreamIn;
+using ::android::hardware::audio::CPP_VERSION::ParameterValue;
+using ::android::hardware::audio::CPP_VERSION::Result;
 
 struct StreamIn : public IStreamIn {
     typedef MessageQueue<ReadParameters, kSynchronizedReadWrite> CommandMQ;
@@ -53,12 +59,12 @@
 
     StreamIn(const sp<Device>& device, audio_stream_in_t* stream);
 
-    // Methods from ::android::hardware::audio::AUDIO_HAL_VERSION::IStream follow.
+    // Methods from ::android::hardware::audio::CPP_VERSION::IStream follow.
     Return<uint64_t> getFrameSize() override;
     Return<uint64_t> getFrameCount() override;
     Return<uint64_t> getBufferSize() override;
     Return<uint32_t> getSampleRate() override;
-#ifdef AUDIO_HAL_VERSION_2_0
+#if MAJOR_VERSION == 2
     Return<void> getSupportedSampleRates(getSupportedSampleRates_cb _hidl_cb) override;
     Return<void> getSupportedChannelMasks(getSupportedChannelMasks_cb _hidl_cb) override;
 #endif
@@ -74,14 +80,14 @@
     Return<Result> addEffect(uint64_t effectId) override;
     Return<Result> removeEffect(uint64_t effectId) override;
     Return<Result> standby() override;
-#ifdef AUDIO_HAL_VERSION_2_0
+#if MAJOR_VERSION == 2
     Return<AudioDevice> getDevice() override;
     Return<Result> setDevice(const DeviceAddress& address) override;
     Return<void> getParameters(const hidl_vec<hidl_string>& keys,
                                getParameters_cb _hidl_cb) override;
     Return<Result> setParameters(const hidl_vec<ParameterValue>& parameters) override;
     Return<Result> setConnectedState(const DeviceAddress& address, bool connected) override;
-#elif defined(AUDIO_HAL_VERSION_4_0)
+#elif MAJOR_VERSION == 4
     Return<void> getDevices(getDevices_cb _hidl_cb) override;
     Return<Result> setDevices(const hidl_vec<DeviceAddress>& devices) override;
     Return<void> getParameters(const hidl_vec<ParameterValue>& context,
@@ -94,11 +100,11 @@
     Return<Result> close() override;
 
     Return<void> debug(const hidl_handle& fd, const hidl_vec<hidl_string>& options) override;
-#ifdef AUDIO_HAL_VERSION_2_0
+#if MAJOR_VERSION == 2
     Return<void> debugDump(const hidl_handle& fd) override;
 #endif
 
-    // Methods from ::android::hardware::audio::AUDIO_HAL_VERSION::IStreamIn follow.
+    // Methods from ::android::hardware::audio::CPP_VERSION::IStreamIn follow.
     Return<void> getAudioSource(getAudioSource_cb _hidl_cb) override;
     Return<Result> setGain(float gain) override;
     Return<void> prepareForReading(uint32_t frameSize, uint32_t framesCount,
@@ -109,7 +115,7 @@
     Return<Result> stop() override;
     Return<void> createMmapBuffer(int32_t minSizeFrames, createMmapBuffer_cb _hidl_cb) override;
     Return<void> getMmapPosition(getMmapPosition_cb _hidl_cb) override;
-#ifdef AUDIO_HAL_VERSION_4_0
+#if MAJOR_VERSION == 4
     Return<void> updateSinkMetadata(const SinkMetadata& sinkMetadata) override;
     Return<void> getActiveMicrophones(getActiveMicrophones_cb _hidl_cb) override;
 #endif
@@ -134,7 +140,9 @@
 };
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace audio
 }  // namespace hardware
 }  // namespace android
+
+#endif  // ANDROID_HARDWARE_AUDIO_STREAMIN_H
diff --git a/audio/core/all-versions/default/include/core/all-versions/default/StreamOut.h b/audio/core/all-versions/default/include/core/default/StreamOut.h
similarity index 81%
rename from audio/core/all-versions/default/include/core/all-versions/default/StreamOut.h
rename to audio/core/all-versions/default/include/core/default/StreamOut.h
index af70a59..399766e 100644
--- a/audio/core/all-versions/default/include/core/all-versions/default/StreamOut.h
+++ b/audio/core/all-versions/default/include/core/default/StreamOut.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,13 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#ifndef ANDROID_HARDWARE_AUDIO_STREAMOUT_H
+#define ANDROID_HARDWARE_AUDIO_STREAMOUT_H
+
+#include PATH(android/hardware/audio/FILE_VERSION/IStreamOut.h)
+
+#include "Device.h"
+#include "Stream.h"
 
 #include <atomic>
 #include <memory>
@@ -28,7 +34,7 @@
 namespace android {
 namespace hardware {
 namespace audio {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 using ::android::sp;
@@ -36,17 +42,17 @@
 using ::android::hardware::hidl_vec;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
-using ::android::hardware::audio::AUDIO_HAL_VERSION::AudioDrain;
-using ::android::hardware::audio::AUDIO_HAL_VERSION::DeviceAddress;
-using ::android::hardware::audio::AUDIO_HAL_VERSION::IStream;
-using ::android::hardware::audio::AUDIO_HAL_VERSION::IStreamOut;
-using ::android::hardware::audio::AUDIO_HAL_VERSION::IStreamOutCallback;
-using ::android::hardware::audio::AUDIO_HAL_VERSION::ParameterValue;
-using ::android::hardware::audio::AUDIO_HAL_VERSION::Result;
-using ::android::hardware::audio::AUDIO_HAL_VERSION::TimeSpec;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioChannelMask;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioDevice;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioFormat;
+using ::android::hardware::audio::common::CPP_VERSION::AudioChannelMask;
+using ::android::hardware::audio::common::CPP_VERSION::AudioDevice;
+using ::android::hardware::audio::common::CPP_VERSION::AudioFormat;
+using ::android::hardware::audio::CPP_VERSION::AudioDrain;
+using ::android::hardware::audio::CPP_VERSION::DeviceAddress;
+using ::android::hardware::audio::CPP_VERSION::IStream;
+using ::android::hardware::audio::CPP_VERSION::IStreamOut;
+using ::android::hardware::audio::CPP_VERSION::IStreamOutCallback;
+using ::android::hardware::audio::CPP_VERSION::ParameterValue;
+using ::android::hardware::audio::CPP_VERSION::Result;
+using ::android::hardware::audio::CPP_VERSION::TimeSpec;
 
 struct StreamOut : public IStreamOut {
     typedef MessageQueue<WriteCommand, kSynchronizedReadWrite> CommandMQ;
@@ -55,12 +61,12 @@
 
     StreamOut(const sp<Device>& device, audio_stream_out_t* stream);
 
-    // Methods from ::android::hardware::audio::AUDIO_HAL_VERSION::IStream follow.
+    // Methods from ::android::hardware::audio::CPP_VERSION::IStream follow.
     Return<uint64_t> getFrameSize() override;
     Return<uint64_t> getFrameCount() override;
     Return<uint64_t> getBufferSize() override;
     Return<uint32_t> getSampleRate() override;
-#ifdef AUDIO_HAL_VERSION_2_0
+#if MAJOR_VERSION == 2
     Return<void> getSupportedSampleRates(getSupportedSampleRates_cb _hidl_cb) override;
     Return<void> getSupportedChannelMasks(getSupportedChannelMasks_cb _hidl_cb) override;
 #endif
@@ -76,14 +82,14 @@
     Return<Result> addEffect(uint64_t effectId) override;
     Return<Result> removeEffect(uint64_t effectId) override;
     Return<Result> standby() override;
-#ifdef AUDIO_HAL_VERSION_2_0
+#if MAJOR_VERSION == 2
     Return<AudioDevice> getDevice() override;
     Return<Result> setDevice(const DeviceAddress& address) override;
     Return<void> getParameters(const hidl_vec<hidl_string>& keys,
                                getParameters_cb _hidl_cb) override;
     Return<Result> setParameters(const hidl_vec<ParameterValue>& parameters) override;
     Return<Result> setConnectedState(const DeviceAddress& address, bool connected) override;
-#elif defined(AUDIO_HAL_VERSION_4_0)
+#elif MAJOR_VERSION == 4
     Return<void> getDevices(getDevices_cb _hidl_cb) override;
     Return<Result> setDevices(const hidl_vec<DeviceAddress>& devices) override;
     Return<void> getParameters(const hidl_vec<ParameterValue>& context,
@@ -96,11 +102,11 @@
     Return<Result> close() override;
 
     Return<void> debug(const hidl_handle& fd, const hidl_vec<hidl_string>& options) override;
-#ifdef AUDIO_HAL_VERSION_2_0
+#if MAJOR_VERSION == 2
     Return<void> debugDump(const hidl_handle& fd) override;
 #endif
 
-    // Methods from ::android::hardware::audio::AUDIO_HAL_VERSION::IStreamOut follow.
+    // Methods from ::android::hardware::audio::CPP_VERSION::IStreamOut follow.
     Return<uint32_t> getLatency() override;
     Return<Result> setVolume(float left, float right) override;
     Return<void> prepareForWriting(uint32_t frameSize, uint32_t framesCount,
@@ -120,7 +126,7 @@
     Return<Result> stop() override;
     Return<void> createMmapBuffer(int32_t minSizeFrames, createMmapBuffer_cb _hidl_cb) override;
     Return<void> getMmapPosition(getMmapPosition_cb _hidl_cb) override;
-#ifdef AUDIO_HAL_VERSION_4_0
+#if MAJOR_VERSION == 4
     Return<void> updateSourceMetadata(const SourceMetadata& sourceMetadata) override;
     Return<Result> selectPresentation(int32_t presentationId, int32_t programId) override;
 #endif
@@ -148,7 +154,9 @@
 };
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace audio
 }  // namespace hardware
 }  // namespace android
+
+#endif  // ANDROID_HARDWARE_AUDIO_STREAMOUT_H
diff --git a/audio/core/all-versions/default/include/core/all-versions/default/Util.h b/audio/core/all-versions/default/include/core/default/Util.h
similarity index 85%
rename from audio/core/all-versions/default/include/core/all-versions/default/Util.h
rename to audio/core/all-versions/default/include/core/default/Util.h
index 350fd86..2b8c3fd 100644
--- a/audio/core/all-versions/default/include/core/all-versions/default/Util.h
+++ b/audio/core/all-versions/default/include/core/default/Util.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,10 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#ifndef ANDROID_HARDWARE_AUDIO_UTIL_H
+#define ANDROID_HARDWARE_AUDIO_UTIL_H
+
+#include PATH(android/hardware/audio/FILE_VERSION/types.h)
 
 #include <algorithm>
 #include <vector>
@@ -24,10 +27,10 @@
 namespace android {
 namespace hardware {
 namespace audio {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
-using ::android::hardware::audio::AUDIO_HAL_VERSION::Result;
+using ::android::hardware::audio::CPP_VERSION::Result;
 
 /** @return true if gain is between 0 and 1 included. */
 constexpr bool isGainNormalized(float gain) {
@@ -68,7 +71,9 @@
 
 }  // namespace util
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace audio
 }  // namespace hardware
 }  // namespace android
+
+#endif  // ANDROID_HARDWARE_AUDIO_UTIL_H
diff --git a/audio/core/2.0/vts/OWNERS b/audio/core/all-versions/vts/OWNERS
similarity index 98%
rename from audio/core/2.0/vts/OWNERS
rename to audio/core/all-versions/vts/OWNERS
index 8711a9f..0ea4666 100644
--- a/audio/core/2.0/vts/OWNERS
+++ b/audio/core/all-versions/vts/OWNERS
@@ -2,4 +2,4 @@
 krocard@google.com
 mnaganov@google.com
 yim@google.com
-zhuoyao@google.com
\ No newline at end of file
+zhuoyao@google.com
diff --git a/audio/core/2.0/vts/functional/2.0/AudioPrimaryHidlHalTest.cpp b/audio/core/all-versions/vts/functional/2.0/AudioPrimaryHidlHalTest.cpp
similarity index 100%
rename from audio/core/2.0/vts/functional/2.0/AudioPrimaryHidlHalTest.cpp
rename to audio/core/all-versions/vts/functional/2.0/AudioPrimaryHidlHalTest.cpp
diff --git a/audio/core/2.0/vts/functional/2.0/AudioPrimaryHidlHalUtils.h b/audio/core/all-versions/vts/functional/2.0/AudioPrimaryHidlHalUtils.h
similarity index 81%
rename from audio/core/2.0/vts/functional/2.0/AudioPrimaryHidlHalUtils.h
rename to audio/core/all-versions/vts/functional/2.0/AudioPrimaryHidlHalUtils.h
index 8578daa..1cffd41 100644
--- a/audio/core/2.0/vts/functional/2.0/AudioPrimaryHidlHalUtils.h
+++ b/audio/core/all-versions/vts/functional/2.0/AudioPrimaryHidlHalUtils.h
@@ -14,19 +14,19 @@
  * limitations under the License.
  */
 
-#include <android/hardware/audio/2.0/IStream.h>
-#include <android/hardware/audio/2.0/types.h>
-#include <android/hardware/audio/common/2.0/types.h>
+#include PATH(android/hardware/audio/FILE_VERSION/IStream.h)
+#include PATH(android/hardware/audio/FILE_VERSION/types.h)
+#include PATH(android/hardware/audio/common/FILE_VERSION/types.h)
 #include <hidl/HidlSupport.h>
 
 using ::android::hardware::hidl_handle;
 using ::android::hardware::hidl_string;
 using ::android::hardware::hidl_vec;
-using ::android::hardware::audio::common::V2_0::AudioChannelMask;
-using ::android::hardware::audio::common::V2_0::AudioFormat;
-using ::android::hardware::audio::V2_0::IStream;
-using ::android::hardware::audio::V2_0::ParameterValue;
-using ::android::hardware::audio::V2_0::Result;
+using ::android::hardware::audio::common::CPP_VERSION::AudioChannelMask;
+using ::android::hardware::audio::common::CPP_VERSION::AudioFormat;
+using ::android::hardware::audio::CPP_VERSION::IStream;
+using ::android::hardware::audio::CPP_VERSION::ParameterValue;
+using ::android::hardware::audio::CPP_VERSION::Result;
 
 using namespace ::android::hardware::audio::common::test::utility;
 
diff --git a/audio/core/4.0/vts/functional/4.0/AudioPrimaryHidlHalTest.cpp b/audio/core/all-versions/vts/functional/4.0/AudioPrimaryHidlHalTest.cpp
similarity index 100%
rename from audio/core/4.0/vts/functional/4.0/AudioPrimaryHidlHalTest.cpp
rename to audio/core/all-versions/vts/functional/4.0/AudioPrimaryHidlHalTest.cpp
diff --git a/audio/core/4.0/vts/functional/4.0/AudioPrimaryHidlHalUtils.h b/audio/core/all-versions/vts/functional/4.0/AudioPrimaryHidlHalUtils.h
similarity index 71%
rename from audio/core/4.0/vts/functional/4.0/AudioPrimaryHidlHalUtils.h
rename to audio/core/all-versions/vts/functional/4.0/AudioPrimaryHidlHalUtils.h
index 3b80e0b..c30f378 100644
--- a/audio/core/4.0/vts/functional/4.0/AudioPrimaryHidlHalUtils.h
+++ b/audio/core/all-versions/vts/functional/4.0/AudioPrimaryHidlHalUtils.h
@@ -14,29 +14,29 @@
  * limitations under the License.
  */
 
-#include <android/hardware/audio/4.0/IStream.h>
-#include <android/hardware/audio/4.0/types.h>
-#include <android/hardware/audio/common/4.0/types.h>
+#include PATH(android/hardware/audio/FILE_VERSION/IStream.h)
+#include PATH(android/hardware/audio/FILE_VERSION/types.h)
+#include PATH(android/hardware/audio/common/FILE_VERSION/types.h)
 #include <hidl/HidlSupport.h>
 
 using ::android::hardware::hidl_bitfield;
 using ::android::hardware::hidl_handle;
 using ::android::hardware::hidl_string;
 using ::android::hardware::hidl_vec;
-using ::android::hardware::audio::common::V4_0::AudioChannelMask;
-using ::android::hardware::audio::common::V4_0::AudioFormat;
-using ::android::hardware::audio::V4_0::IStream;
-using ::android::hardware::audio::V4_0::ParameterValue;
-using ::android::hardware::audio::V4_0::Result;
+using ::android::hardware::audio::common::CPP_VERSION::AudioChannelMask;
+using ::android::hardware::audio::common::CPP_VERSION::AudioFormat;
+using ::android::hardware::audio::CPP_VERSION::IStream;
+using ::android::hardware::audio::CPP_VERSION::ParameterValue;
+using ::android::hardware::audio::CPP_VERSION::Result;
 
 using namespace ::android::hardware::audio::common::test::utility;
 
-using Rotation = ::android::hardware::audio::V4_0::IPrimaryDevice::Rotation;
-using ::android::hardware::audio::common::V4_0::AudioContentType;
-using ::android::hardware::audio::common::V4_0::AudioUsage;
-using ::android::hardware::audio::V4_0::MicrophoneInfo;
-using ::android::hardware::audio::V4_0::SinkMetadata;
-using ::android::hardware::audio::V4_0::SourceMetadata;
+using Rotation = ::android::hardware::audio::CPP_VERSION::IPrimaryDevice::Rotation;
+using ::android::hardware::audio::common::CPP_VERSION::AudioContentType;
+using ::android::hardware::audio::common::CPP_VERSION::AudioUsage;
+using ::android::hardware::audio::CPP_VERSION::MicrophoneInfo;
+using ::android::hardware::audio::CPP_VERSION::SinkMetadata;
+using ::android::hardware::audio::CPP_VERSION::SourceMetadata;
 
 struct Parameters {
     template <class T, class ReturnIn>
diff --git a/audio/core/all-versions/vts/functional/Android.bp b/audio/core/all-versions/vts/functional/Android.bp
new file mode 100644
index 0000000..41012f1
--- /dev/null
+++ b/audio/core/all-versions/vts/functional/Android.bp
@@ -0,0 +1,73 @@
+//
+// Copyright (C) 2017 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+cc_test {
+    name: "VtsHalAudioV2_0TargetTest",
+    defaults: ["VtsHalTargetTestDefaults"],
+    srcs: [
+        "2.0/AudioPrimaryHidlHalTest.cpp",
+        "ValidateAudioConfiguration.cpp"
+    ],
+    static_libs: [
+        "android.hardware.audio.common.test.utility",
+        "android.hardware.audio@2.0",
+        "android.hardware.audio.common@2.0",
+        "libicuuc",
+        "libicuuc_stubdata",
+        "libxml2",
+    ],
+    shared_libs: [
+        "libfmq",
+    ],
+    header_libs: [
+        "android.hardware.audio.common.util@all-versions",
+    ],
+    test_suites: ["general-tests"],
+    cflags: [
+        "-DMAJOR_VERSION=2",
+        "-DMINOR_VERSION=0",
+        "-include common/all-versions/VersionMacro.h",
+    ]
+}
+
+cc_test {
+    name: "VtsHalAudioV4_0TargetTest",
+    defaults: ["VtsHalTargetTestDefaults"],
+    srcs: [
+        "4.0/AudioPrimaryHidlHalTest.cpp",
+        "ValidateAudioConfiguration.cpp"
+    ],
+    static_libs: [
+        "android.hardware.audio.common.test.utility",
+        "android.hardware.audio@4.0",
+        "android.hardware.audio.common@4.0",
+        "libicuuc",
+        "libicuuc_stubdata",
+        "libxml2",
+    ],
+    shared_libs: [
+        "libfmq",
+    ],
+    header_libs: [
+        "android.hardware.audio.common.util@all-versions",
+    ],
+    test_suites: ["general-tests"],
+    cflags: [
+        "-DMAJOR_VERSION=4",
+        "-DMINOR_VERSION=0",
+        "-include common/all-versions/VersionMacro.h",
+    ]
+}
diff --git a/audio/core/4.0/vts/functional/AudioPrimaryHidlHalTest.h b/audio/core/all-versions/vts/functional/AudioPrimaryHidlHalTest.h
similarity index 93%
rename from audio/core/4.0/vts/functional/AudioPrimaryHidlHalTest.h
rename to audio/core/all-versions/vts/functional/AudioPrimaryHidlHalTest.h
index 1d543b4..79ccc3c 100644
--- a/audio/core/4.0/vts/functional/AudioPrimaryHidlHalTest.h
+++ b/audio/core/all-versions/vts/functional/AudioPrimaryHidlHalTest.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#define LOG_TAG "VtsHalAudioV4_0TargetTest"
+#define LOG_TAG "VtsHalAudioVTargetTest"
 
 #include <algorithm>
 #include <cmath>
@@ -35,11 +35,11 @@
 
 #include <android-base/logging.h>
 
-#include <android/hardware/audio/4.0/IDevice.h>
-#include <android/hardware/audio/4.0/IDevicesFactory.h>
-#include <android/hardware/audio/4.0/IPrimaryDevice.h>
-#include <android/hardware/audio/4.0/types.h>
-#include <android/hardware/audio/common/4.0/types.h>
+#include PATH(android/hardware/audio/FILE_VERSION/IDevice.h)
+#include PATH(android/hardware/audio/FILE_VERSION/IDevicesFactory.h)
+#include PATH(android/hardware/audio/FILE_VERSION/IPrimaryDevice.h)
+#include PATH(android/hardware/audio/FILE_VERSION/types.h)
+#include PATH(android/hardware/audio/common/FILE_VERSION/types.h)
 #include <fmq/EventFlag.h>
 #include <fmq/MessageQueue.h>
 
@@ -48,12 +48,15 @@
 #include "utility/AssertOk.h"
 #include "utility/Documentation.h"
 #include "utility/EnvironmentTearDown.h"
-#define AUDIO_HAL_VERSION V4_0
 #include "utility/PrettyPrintAudioTypes.h"
 #include "utility/ReturnIn.h"
 
 /** Provide version specific functions that are used in the generic tests */
+#if MAJOR_VERSION == 2
+#include "2.0/AudioPrimaryHidlHalUtils.h"
+#elif MAJOR_VERSION == 4
 #include "4.0/AudioPrimaryHidlHalUtils.h"
+#endif
 
 using std::initializer_list;
 using std::list;
@@ -73,38 +76,38 @@
 using ::android::hardware::MessageQueue;
 using ::android::hardware::MQDescriptorSync;
 using ::android::hardware::Return;
-using ::android::hardware::audio::V4_0::AudioDrain;
-using ::android::hardware::audio::V4_0::DeviceAddress;
-using ::android::hardware::audio::V4_0::IDevice;
-using ::android::hardware::audio::V4_0::IPrimaryDevice;
-using TtyMode = ::android::hardware::audio::V4_0::IPrimaryDevice::TtyMode;
-using ::android::hardware::audio::V4_0::IDevicesFactory;
-using ::android::hardware::audio::V4_0::IStream;
-using ::android::hardware::audio::V4_0::IStreamIn;
-using ::android::hardware::audio::V4_0::MessageQueueFlagBits;
-using ::android::hardware::audio::V4_0::TimeSpec;
-using ReadParameters = ::android::hardware::audio::V4_0::IStreamIn::ReadParameters;
-using ReadStatus = ::android::hardware::audio::V4_0::IStreamIn::ReadStatus;
+using ::android::hardware::audio::CPP_VERSION::AudioDrain;
+using ::android::hardware::audio::CPP_VERSION::DeviceAddress;
+using ::android::hardware::audio::CPP_VERSION::IDevice;
+using ::android::hardware::audio::CPP_VERSION::IPrimaryDevice;
+using TtyMode = ::android::hardware::audio::CPP_VERSION::IPrimaryDevice::TtyMode;
+using ::android::hardware::audio::CPP_VERSION::IDevicesFactory;
+using ::android::hardware::audio::CPP_VERSION::IStream;
+using ::android::hardware::audio::CPP_VERSION::IStreamIn;
+using ::android::hardware::audio::CPP_VERSION::MessageQueueFlagBits;
+using ::android::hardware::audio::CPP_VERSION::TimeSpec;
+using ReadParameters = ::android::hardware::audio::CPP_VERSION::IStreamIn::ReadParameters;
+using ReadStatus = ::android::hardware::audio::CPP_VERSION::IStreamIn::ReadStatus;
+using ::android::hardware::audio::common::CPP_VERSION::AudioChannelMask;
+using ::android::hardware::audio::common::CPP_VERSION::AudioConfig;
+using ::android::hardware::audio::common::CPP_VERSION::AudioDevice;
+using ::android::hardware::audio::common::CPP_VERSION::AudioFormat;
+using ::android::hardware::audio::common::CPP_VERSION::AudioHandleConsts;
+using ::android::hardware::audio::common::CPP_VERSION::AudioHwSync;
+using ::android::hardware::audio::common::CPP_VERSION::AudioInputFlag;
+using ::android::hardware::audio::common::CPP_VERSION::AudioIoHandle;
+using ::android::hardware::audio::common::CPP_VERSION::AudioMode;
+using ::android::hardware::audio::common::CPP_VERSION::AudioOffloadInfo;
+using ::android::hardware::audio::common::CPP_VERSION::AudioOutputFlag;
+using ::android::hardware::audio::common::CPP_VERSION::AudioSource;
+using ::android::hardware::audio::common::CPP_VERSION::ThreadInfo;
 using ::android::hardware::audio::common::utils::mkEnumBitfield;
-using ::android::hardware::audio::common::V4_0::AudioChannelMask;
-using ::android::hardware::audio::common::V4_0::AudioConfig;
-using ::android::hardware::audio::common::V4_0::AudioDevice;
-using ::android::hardware::audio::common::V4_0::AudioFormat;
-using ::android::hardware::audio::common::V4_0::AudioHandleConsts;
-using ::android::hardware::audio::common::V4_0::AudioHwSync;
-using ::android::hardware::audio::common::V4_0::AudioInputFlag;
-using ::android::hardware::audio::common::V4_0::AudioIoHandle;
-using ::android::hardware::audio::common::V4_0::AudioMode;
-using ::android::hardware::audio::common::V4_0::AudioOffloadInfo;
-using ::android::hardware::audio::common::V4_0::AudioOutputFlag;
-using ::android::hardware::audio::common::V4_0::AudioSource;
-using ::android::hardware::audio::common::V4_0::ThreadInfo;
-using ::android::hardware::audio::V4_0::IStreamOut;
-using ::android::hardware::audio::V4_0::IStreamOutCallback;
-using ::android::hardware::audio::V4_0::MmapBufferInfo;
-using ::android::hardware::audio::V4_0::MmapPosition;
-using ::android::hardware::audio::V4_0::ParameterValue;
-using ::android::hardware::audio::V4_0::Result;
+using ::android::hardware::audio::CPP_VERSION::IStreamOut;
+using ::android::hardware::audio::CPP_VERSION::IStreamOutCallback;
+using ::android::hardware::audio::CPP_VERSION::MmapBufferInfo;
+using ::android::hardware::audio::CPP_VERSION::MmapPosition;
+using ::android::hardware::audio::CPP_VERSION::ParameterValue;
+using ::android::hardware::audio::CPP_VERSION::Result;
 
 using namespace ::android::hardware::audio::common::test::utility;
 
@@ -163,7 +166,11 @@
     doc::test("Test passing an invalid parameter to openDevice");
     Result result;
     sp<IDevice> device;
+#if MAJOR_VERSION == 2
+    auto invalidDevice = IDevicesFactory::Device(-1);
+#elif MAJOR_VERSION == 4
     auto invalidDevice = "Non existing device";
+#endif
     ASSERT_OK(devicesFactory->openDevice(invalidDevice, returnIn(result, device)));
     ASSERT_EQ(Result::INVALID_ARGUMENTS, result);
     ASSERT_TRUE(device == nullptr);
@@ -194,8 +201,19 @@
    private:
     void initPrimaryDevice() {
         Result result;
+#if MAJOR_VERSION == 2
+        sp<IDevice> baseDevice;
+        ASSERT_OK(devicesFactory->openDevice(IDevicesFactory::Device::PRIMARY,
+                                             returnIn(result, baseDevice)));
+#elif MAJOR_VERSION == 4
         ASSERT_OK(devicesFactory->openPrimaryDevice(returnIn(result, device)));
+#endif
         ASSERT_OK(result);
+#if MAJOR_VERSION == 2
+        ASSERT_TRUE(baseDevice != nullptr);
+
+        device = IPrimaryDevice::castFrom(baseDevice);
+#endif
     }
 };
 sp<IPrimaryDevice> AudioPrimaryHidlTest::device;
@@ -604,14 +622,22 @@
         auto flags = mkEnumBitfield(AudioOutputFlag::NONE);
         testOpen(
             [&](AudioIoHandle handle, AudioConfig config, auto cb) {
+#if MAJOR_VERSION == 2
+                return device->openOutputStream(handle, address, config, flags, cb);
+#elif MAJOR_VERSION == 4
                 return device->openOutputStream(handle, address, config, flags, initMetadata, cb);
+#endif
             },
             config);
     }
+#if MAJOR_VERSION == 4
 
    protected:
     const SourceMetadata initMetadata = {
-        {{AudioUsage::MEDIA, AudioContentType::MUSIC, 1 /* gain */}}};
+        { { AudioUsage::MEDIA,
+            AudioContentType::MUSIC,
+            1 /* gain */ } }};
+#endif
 };
 TEST_P(OutputStreamTest, OpenOutputStreamTest) {
     doc::test(
@@ -650,7 +676,11 @@
     }
 
    protected:
+#if MAJOR_VERSION == 2
+    const AudioSource initMetadata = AudioSource::DEFAULT;
+#elif MAJOR_VERSION == 4
     const SinkMetadata initMetadata = {{{AudioSource::DEFAULT, 1 /* gain */}}};
+#endif
 };
 
 TEST_P(InputStreamTest, OpenInputStreamTest) {
diff --git a/audio/core/4.0/vts/functional/ValidateAudioConfiguration.cpp b/audio/core/all-versions/vts/functional/ValidateAudioConfiguration.cpp
similarity index 84%
rename from audio/core/4.0/vts/functional/ValidateAudioConfiguration.cpp
rename to audio/core/all-versions/vts/functional/ValidateAudioConfiguration.cpp
index 237ef47..5b6f378 100644
--- a/audio/core/4.0/vts/functional/ValidateAudioConfiguration.cpp
+++ b/audio/core/all-versions/vts/functional/ValidateAudioConfiguration.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -23,15 +23,12 @@
 #define QUOTE(x) #x
 #define STRINGIFY(x) QUOTE(x)
 
-#define AUDIO_HAL_VERSION V4_0
-
 TEST(CheckConfig, audioPolicyConfigurationValidation) {
     RecordProperty("description",
                    "Verify that the audio policy configuration file "
                    "is valid according to the schema");
 
     std::vector<const char*> locations = {"/odm/etc", "/vendor/etc", "/system/etc"};
-    const char* xsd =
-        "/data/local/tmp/audio_policy_configuration_" STRINGIFY(AUDIO_HAL_VERSION) ".xsd";
+    const char* xsd = "/data/local/tmp/audio_policy_configuration_" STRINGIFY(CPP_VERSION) ".xsd";
     EXPECT_ONE_VALID_XML_MULTIPLE_LOCATIONS("audio_policy_configuration.xml", locations, xsd);
 }
diff --git a/audio/effect/2.0/default/AcousticEchoCancelerEffect.cpp b/audio/effect/2.0/default/AcousticEchoCancelerEffect.cpp
deleted file mode 100644
index cadc2f1..0000000
--- a/audio/effect/2.0/default/AcousticEchoCancelerEffect.cpp
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "AEC_Effect_HAL"
-
-#include "AcousticEchoCancelerEffect.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <effect/all-versions/default/AcousticEchoCancelerEffect.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/2.0/default/AcousticEchoCancelerEffect.h b/audio/effect/2.0/default/AcousticEchoCancelerEffect.h
deleted file mode 100644
index d36335c..0000000
--- a/audio/effect/2.0/default/AcousticEchoCancelerEffect.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_ACOUSTICECHOCANCELEREFFECT_H
-#define ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_ACOUSTICECHOCANCELEREFFECT_H
-
-#include <android/hardware/audio/effect/2.0/IAcousticEchoCancelerEffect.h>
-
-#include "Effect.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <effect/all-versions/default/AcousticEchoCancelerEffect.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_ACOUSTICECHOCANCELEREFFECT_H
diff --git a/audio/effect/2.0/default/Android.bp b/audio/effect/2.0/default/Android.bp
deleted file mode 100644
index db00988..0000000
--- a/audio/effect/2.0/default/Android.bp
+++ /dev/null
@@ -1,50 +0,0 @@
-cc_library_shared {
-    name: "android.hardware.audio.effect@2.0-impl",
-    defaults: ["hidl_defaults"],
-    vendor: true,
-    relative_install_path: "hw",
-    srcs: [
-        "AcousticEchoCancelerEffect.cpp",
-        "AudioBufferManager.cpp",
-        "AutomaticGainControlEffect.cpp",
-        "BassBoostEffect.cpp",
-        "Conversions.cpp",
-        "DownmixEffect.cpp",
-        "Effect.cpp",
-        "EffectsFactory.cpp",
-        "EnvironmentalReverbEffect.cpp",
-        "EqualizerEffect.cpp",
-        "LoudnessEnhancerEffect.cpp",
-        "NoiseSuppressionEffect.cpp",
-        "PresetReverbEffect.cpp",
-        "VirtualizerEffect.cpp",
-        "VisualizerEffect.cpp",
-    ],
-
-    shared_libs: [
-        "libbase",
-        "libcutils",
-        "libeffects",
-        "libfmq",
-        "libhidlbase",
-        "libhidlmemory",
-        "libhidltransport",
-        "liblog",
-        "libutils",
-        "android.hardware.audio.common-util",
-        "android.hardware.audio.common@2.0",
-        "android.hardware.audio.common@2.0-util",
-        "android.hardware.audio.effect@2.0",
-        "android.hidl.memory@1.0",
-    ],
-
-    header_libs: [
-        "android.hardware.audio.common.util@all-versions",
-        "android.hardware.audio.effect@all-versions-impl",
-        "libaudio_system_headers",
-        "libaudioclient_headers",
-        "libeffects_headers",
-        "libhardware_headers",
-        "libmedia_headers",
-    ],
-}
diff --git a/audio/effect/2.0/default/AudioBufferManager.cpp b/audio/effect/2.0/default/AudioBufferManager.cpp
deleted file mode 100644
index 39918dd..0000000
--- a/audio/effect/2.0/default/AudioBufferManager.cpp
+++ /dev/null
@@ -1,21 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "AudioBufferManager.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <effect/all-versions/default/AudioBufferManager.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/2.0/default/AudioBufferManager.h b/audio/effect/2.0/default/AudioBufferManager.h
deleted file mode 100644
index 789fbd1..0000000
--- a/audio/effect/2.0/default/AudioBufferManager.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_AUDIO_BUFFER_MANAGER_H_
-#define ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_AUDIO_BUFFER_MANAGER_H_
-
-#include <android/hardware/audio/effect/2.0/types.h>
-
-#define AUDIO_HAL_VERSION V2_0
-#include <effect/all-versions/default/AudioBufferManager.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_AUDIO_BUFFER_MANAGER_H_
diff --git a/audio/effect/2.0/default/AutomaticGainControlEffect.cpp b/audio/effect/2.0/default/AutomaticGainControlEffect.cpp
deleted file mode 100644
index 7e00a80..0000000
--- a/audio/effect/2.0/default/AutomaticGainControlEffect.cpp
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "AGC_Effect_HAL"
-
-#include "AutomaticGainControlEffect.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <effect/all-versions/default/AutomaticGainControlEffect.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/2.0/default/AutomaticGainControlEffect.h b/audio/effect/2.0/default/AutomaticGainControlEffect.h
deleted file mode 100644
index ef440d2..0000000
--- a/audio/effect/2.0/default/AutomaticGainControlEffect.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_AUTOMATICGAINCONTROLEFFECT_H
-#define ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_AUTOMATICGAINCONTROLEFFECT_H
-
-#include <android/hardware/audio/effect/2.0/IAutomaticGainControlEffect.h>
-
-#include "Effect.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <effect/all-versions/default/AutomaticGainControlEffect.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_AUTOMATICGAINCONTROLEFFECT_H
diff --git a/audio/effect/2.0/default/BassBoostEffect.cpp b/audio/effect/2.0/default/BassBoostEffect.cpp
deleted file mode 100644
index df9e892..0000000
--- a/audio/effect/2.0/default/BassBoostEffect.cpp
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "BassBoost_HAL"
-
-#include "BassBoostEffect.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <effect/all-versions/default/BassBoostEffect.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/2.0/default/BassBoostEffect.h b/audio/effect/2.0/default/BassBoostEffect.h
deleted file mode 100644
index 83179e2..0000000
--- a/audio/effect/2.0/default/BassBoostEffect.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_BASSBOOSTEFFECT_H
-#define ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_BASSBOOSTEFFECT_H
-
-#include <android/hardware/audio/effect/2.0/IBassBoostEffect.h>
-
-#include <hidl/MQDescriptor.h>
-
-#include "Effect.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <effect/all-versions/default/BassBoostEffect.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_BASSBOOSTEFFECT_H
diff --git a/audio/effect/2.0/default/Conversions.cpp b/audio/effect/2.0/default/Conversions.cpp
deleted file mode 100644
index b59752c..0000000
--- a/audio/effect/2.0/default/Conversions.cpp
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "Conversions.h"
-#include "HidlUtils.h"
-
-using ::android::hardware::audio::common::V2_0::HidlUtils;
-
-#define AUDIO_HAL_VERSION V2_0
-#include <effect/all-versions/default/Conversions.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/2.0/default/Conversions.h b/audio/effect/2.0/default/Conversions.h
deleted file mode 100644
index 94c7f66..0000000
--- a/audio/effect/2.0/default/Conversions.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_CONVERSIONS_H_
-#define ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_CONVERSIONS_H_
-
-#include <android/hardware/audio/effect/2.0/types.h>
-
-#define AUDIO_HAL_VERSION V2_0
-#include <effect/all-versions/default/Conversions.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_CONVERSIONS_H_
diff --git a/audio/effect/2.0/default/DownmixEffect.cpp b/audio/effect/2.0/default/DownmixEffect.cpp
deleted file mode 100644
index 1a51e13..0000000
--- a/audio/effect/2.0/default/DownmixEffect.cpp
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "Downmix_HAL"
-
-#include "DownmixEffect.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <effect/all-versions/default/DownmixEffect.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/2.0/default/DownmixEffect.h b/audio/effect/2.0/default/DownmixEffect.h
deleted file mode 100644
index 6dbbb32..0000000
--- a/audio/effect/2.0/default/DownmixEffect.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_DOWNMIXEFFECT_H
-#define ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_DOWNMIXEFFECT_H
-
-#include <android/hardware/audio/effect/2.0/IDownmixEffect.h>
-
-#include "Effect.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <effect/all-versions/default/DownmixEffect.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_DOWNMIXEFFECT_H
diff --git a/audio/effect/2.0/default/Effect.cpp b/audio/effect/2.0/default/Effect.cpp
deleted file mode 100644
index e234e52..0000000
--- a/audio/effect/2.0/default/Effect.cpp
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <memory.h>
-
-#define LOG_TAG "EffectHAL"
-#define ATRACE_TAG ATRACE_TAG_AUDIO
-
-#include "Conversions.h"
-#include "Effect.h"
-#include "common/all-versions/default/EffectMap.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <effect/all-versions/default/Effect.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/2.0/default/Effect.h b/audio/effect/2.0/default/Effect.h
deleted file mode 100644
index a4d194d..0000000
--- a/audio/effect/2.0/default/Effect.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_EFFECT_H
-#define ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_EFFECT_H
-
-#include <android/hardware/audio/effect/2.0/IEffect.h>
-
-#include "AudioBufferManager.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <effect/all-versions/default/Effect.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_EFFECT_H
diff --git a/audio/effect/2.0/default/EffectsFactory.cpp b/audio/effect/2.0/default/EffectsFactory.cpp
deleted file mode 100644
index a48a85f..0000000
--- a/audio/effect/2.0/default/EffectsFactory.cpp
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "EffectFactoryHAL"
-#include "EffectsFactory.h"
-#include "AcousticEchoCancelerEffect.h"
-#include "AutomaticGainControlEffect.h"
-#include "BassBoostEffect.h"
-#include "Conversions.h"
-#include "DownmixEffect.h"
-#include "Effect.h"
-#include "EnvironmentalReverbEffect.h"
-#include "EqualizerEffect.h"
-#include "HidlUtils.h"
-#include "LoudnessEnhancerEffect.h"
-#include "NoiseSuppressionEffect.h"
-#include "PresetReverbEffect.h"
-#include "VirtualizerEffect.h"
-#include "VisualizerEffect.h"
-#include "common/all-versions/default/EffectMap.h"
-
-using ::android::hardware::audio::common::V2_0::HidlUtils;
-
-#define AUDIO_HAL_VERSION V2_0
-#include <effect/all-versions/default/EffectsFactory.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/2.0/default/EffectsFactory.h b/audio/effect/2.0/default/EffectsFactory.h
deleted file mode 100644
index f1bfbcf..0000000
--- a/audio/effect/2.0/default/EffectsFactory.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_EFFECTSFACTORY_H
-#define ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_EFFECTSFACTORY_H
-
-#include <system/audio_effect.h>
-
-#include <android/hardware/audio/effect/2.0/IEffectsFactory.h>
-
-#include <hidl/MQDescriptor.h>
-#define AUDIO_HAL_VERSION V2_0
-#include <effect/all-versions/default/EffectsFactory.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_EFFECTSFACTORY_H
diff --git a/audio/effect/2.0/default/EnvironmentalReverbEffect.cpp b/audio/effect/2.0/default/EnvironmentalReverbEffect.cpp
deleted file mode 100644
index 017dd1f..0000000
--- a/audio/effect/2.0/default/EnvironmentalReverbEffect.cpp
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "EnvReverb_HAL"
-#include <android/log.h>
-
-#include "EnvironmentalReverbEffect.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <effect/all-versions/default/EnvironmentalReverbEffect.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/2.0/default/EnvironmentalReverbEffect.h b/audio/effect/2.0/default/EnvironmentalReverbEffect.h
deleted file mode 100644
index d93a53f..0000000
--- a/audio/effect/2.0/default/EnvironmentalReverbEffect.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_ENVIRONMENTALREVERBEFFECT_H
-#define ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_ENVIRONMENTALREVERBEFFECT_H
-
-#include <system/audio_effects/effect_environmentalreverb.h>
-
-#include <android/hardware/audio/effect/2.0/IEnvironmentalReverbEffect.h>
-
-#include "Effect.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <effect/all-versions/default/EnvironmentalReverbEffect.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_ENVIRONMENTALREVERBEFFECT_H
diff --git a/audio/effect/2.0/default/EqualizerEffect.cpp b/audio/effect/2.0/default/EqualizerEffect.cpp
deleted file mode 100644
index d6e056c..0000000
--- a/audio/effect/2.0/default/EqualizerEffect.cpp
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "Equalizer_HAL"
-
-#include "EqualizerEffect.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <effect/all-versions/default/EqualizerEffect.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/2.0/default/EqualizerEffect.h b/audio/effect/2.0/default/EqualizerEffect.h
deleted file mode 100644
index 54cdd50..0000000
--- a/audio/effect/2.0/default/EqualizerEffect.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_EQUALIZEREFFECT_H
-#define ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_EQUALIZEREFFECT_H
-
-#include <android/hardware/audio/effect/2.0/IEqualizerEffect.h>
-
-#include "Effect.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <effect/all-versions/default/EqualizerEffect.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_EQUALIZEREFFECT_H
diff --git a/audio/effect/2.0/default/LoudnessEnhancerEffect.cpp b/audio/effect/2.0/default/LoudnessEnhancerEffect.cpp
deleted file mode 100644
index 2dca0f4..0000000
--- a/audio/effect/2.0/default/LoudnessEnhancerEffect.cpp
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "LoudnessEnhancer_HAL"
-
-#include "LoudnessEnhancerEffect.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <effect/all-versions/default/LoudnessEnhancerEffect.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/2.0/default/LoudnessEnhancerEffect.h b/audio/effect/2.0/default/LoudnessEnhancerEffect.h
deleted file mode 100644
index 992e238..0000000
--- a/audio/effect/2.0/default/LoudnessEnhancerEffect.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_LOUDNESSENHANCEREFFECT_H
-#define ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_LOUDNESSENHANCEREFFECT_H
-
-#include <android/hardware/audio/effect/2.0/ILoudnessEnhancerEffect.h>
-
-#include "Effect.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <effect/all-versions/default/LoudnessEnhancerEffect.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_LOUDNESSENHANCEREFFECT_H
diff --git a/audio/effect/2.0/default/NoiseSuppressionEffect.cpp b/audio/effect/2.0/default/NoiseSuppressionEffect.cpp
deleted file mode 100644
index 089e811..0000000
--- a/audio/effect/2.0/default/NoiseSuppressionEffect.cpp
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "NS_Effect_HAL"
-
-#include "NoiseSuppressionEffect.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <effect/all-versions/default/NoiseSuppressionEffect.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/2.0/default/NoiseSuppressionEffect.h b/audio/effect/2.0/default/NoiseSuppressionEffect.h
deleted file mode 100644
index 0eee4b5..0000000
--- a/audio/effect/2.0/default/NoiseSuppressionEffect.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_NOISESUPPRESSIONEFFECT_H
-#define ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_NOISESUPPRESSIONEFFECT_H
-
-#include <android/hardware/audio/effect/2.0/INoiseSuppressionEffect.h>
-
-#include "Effect.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <effect/all-versions/default/NoiseSuppressionEffect.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_NOISESUPPRESSIONEFFECT_H
diff --git a/audio/effect/2.0/default/OWNERS b/audio/effect/2.0/default/OWNERS
deleted file mode 100644
index 6fdc97c..0000000
--- a/audio/effect/2.0/default/OWNERS
+++ /dev/null
@@ -1,3 +0,0 @@
-elaurent@google.com
-krocard@google.com
-mnaganov@google.com
diff --git a/audio/effect/2.0/default/PresetReverbEffect.cpp b/audio/effect/2.0/default/PresetReverbEffect.cpp
deleted file mode 100644
index 0648f6a..0000000
--- a/audio/effect/2.0/default/PresetReverbEffect.cpp
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "PresetReverb_HAL"
-
-#include "PresetReverbEffect.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <effect/all-versions/default/PresetReverbEffect.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/2.0/default/PresetReverbEffect.h b/audio/effect/2.0/default/PresetReverbEffect.h
deleted file mode 100644
index 1ea1626..0000000
--- a/audio/effect/2.0/default/PresetReverbEffect.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_PRESETREVERBEFFECT_H
-#define ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_PRESETREVERBEFFECT_H
-
-#include <android/hardware/audio/effect/2.0/IPresetReverbEffect.h>
-
-#include "Effect.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <effect/all-versions/default/PresetReverbEffect.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_PRESETREVERBEFFECT_H
diff --git a/audio/effect/2.0/default/VirtualizerEffect.cpp b/audio/effect/2.0/default/VirtualizerEffect.cpp
deleted file mode 100644
index 63d3eb9..0000000
--- a/audio/effect/2.0/default/VirtualizerEffect.cpp
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "Virtualizer_HAL"
-
-#include "VirtualizerEffect.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <effect/all-versions/default/VirtualizerEffect.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/2.0/default/VirtualizerEffect.h b/audio/effect/2.0/default/VirtualizerEffect.h
deleted file mode 100644
index 04f93c4..0000000
--- a/audio/effect/2.0/default/VirtualizerEffect.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_VIRTUALIZEREFFECT_H
-#define ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_VIRTUALIZEREFFECT_H
-
-#include <android/hardware/audio/effect/2.0/IVirtualizerEffect.h>
-
-#include "Effect.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <effect/all-versions/default/VirtualizerEffect.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_VIRTUALIZEREFFECT_H
diff --git a/audio/effect/2.0/default/VisualizerEffect.cpp b/audio/effect/2.0/default/VisualizerEffect.cpp
deleted file mode 100644
index 5235524..0000000
--- a/audio/effect/2.0/default/VisualizerEffect.cpp
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "Visualizer_HAL"
-
-#include "VisualizerEffect.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <effect/all-versions/default/VisualizerEffect.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/2.0/default/VisualizerEffect.h b/audio/effect/2.0/default/VisualizerEffect.h
deleted file mode 100644
index 940f15d..0000000
--- a/audio/effect/2.0/default/VisualizerEffect.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_VISUALIZEREFFECT_H
-#define ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_VISUALIZEREFFECT_H
-
-#include <android/hardware/audio/effect/2.0/IVisualizerEffect.h>
-
-#include "Effect.h"
-
-#define AUDIO_HAL_VERSION V2_0
-#include <effect/all-versions/default/VisualizerEffect.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_VISUALIZEREFFECT_H
diff --git a/audio/effect/2.0/vts/OWNERS b/audio/effect/2.0/vts/OWNERS
deleted file mode 100644
index 8711a9f..0000000
--- a/audio/effect/2.0/vts/OWNERS
+++ /dev/null
@@ -1,5 +0,0 @@
-elaurent@google.com
-krocard@google.com
-mnaganov@google.com
-yim@google.com
-zhuoyao@google.com
\ No newline at end of file
diff --git a/audio/effect/2.0/vts/functional/Android.bp b/audio/effect/2.0/vts/functional/Android.bp
deleted file mode 100644
index 38ca315..0000000
--- a/audio/effect/2.0/vts/functional/Android.bp
+++ /dev/null
@@ -1,39 +0,0 @@
-//
-// Copyright (C) 2016 The Android Open Source Project
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
-
-cc_test {
-    name: "VtsHalAudioEffectV2_0TargetTest",
-    defaults: ["VtsHalTargetTestDefaults"],
-    srcs: [
-        "VtsHalAudioEffectTargetTest.cpp",
-        "ValidateAudioEffectsConfiguration.cpp"
-    ],
-    static_libs: [
-        "android.hardware.audio.common.test.utility",
-        "android.hardware.audio.common@2.0",
-        "android.hardware.audio.effect@2.0",
-        "android.hidl.allocator@1.0",
-        "android.hidl.memory@1.0",
-        "libeffectsconfig",
-        "libicuuc",
-        "libicuuc_stubdata",
-        "libxml2",
-    ],
-    header_libs: [
-        "android.hardware.audio.common.util@all-versions",
-    ],
-    test_suites: ["general-tests"],
-}
diff --git a/audio/effect/4.0/default/AcousticEchoCancelerEffect.cpp b/audio/effect/4.0/default/AcousticEchoCancelerEffect.cpp
deleted file mode 100644
index 242740e..0000000
--- a/audio/effect/4.0/default/AcousticEchoCancelerEffect.cpp
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "AEC_Effect_HAL"
-
-#include "AcousticEchoCancelerEffect.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <effect/all-versions/default/AcousticEchoCancelerEffect.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/AcousticEchoCancelerEffect.h b/audio/effect/4.0/default/AcousticEchoCancelerEffect.h
deleted file mode 100644
index 0ac0a1e..0000000
--- a/audio/effect/4.0/default/AcousticEchoCancelerEffect.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_ACOUSTICECHOCANCELEREFFECT_H
-#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_ACOUSTICECHOCANCELEREFFECT_H
-
-#include <android/hardware/audio/effect/4.0/IAcousticEchoCancelerEffect.h>
-
-#include "Effect.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <effect/all-versions/default/AcousticEchoCancelerEffect.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_ACOUSTICECHOCANCELEREFFECT_H
diff --git a/audio/effect/4.0/default/Android.bp b/audio/effect/4.0/default/Android.bp
deleted file mode 100644
index dcb2269..0000000
--- a/audio/effect/4.0/default/Android.bp
+++ /dev/null
@@ -1,50 +0,0 @@
-cc_library_shared {
-    name: "android.hardware.audio.effect@4.0-impl",
-    defaults: ["hidl_defaults"],
-    vendor: true,
-    relative_install_path: "hw",
-    srcs: [
-        "AcousticEchoCancelerEffect.cpp",
-        "AudioBufferManager.cpp",
-        "AutomaticGainControlEffect.cpp",
-        "BassBoostEffect.cpp",
-        "Conversions.cpp",
-        "DownmixEffect.cpp",
-        "Effect.cpp",
-        "EffectsFactory.cpp",
-        "EnvironmentalReverbEffect.cpp",
-        "EqualizerEffect.cpp",
-        "LoudnessEnhancerEffect.cpp",
-        "NoiseSuppressionEffect.cpp",
-        "PresetReverbEffect.cpp",
-        "VirtualizerEffect.cpp",
-        "VisualizerEffect.cpp",
-    ],
-
-    shared_libs: [
-        "libbase",
-        "libcutils",
-        "libeffects",
-        "libfmq",
-        "libhidlbase",
-        "libhidlmemory",
-        "libhidltransport",
-        "liblog",
-        "libutils",
-        "android.hardware.audio.common-util",
-        "android.hardware.audio.common@4.0",
-        "android.hardware.audio.common@4.0-util",
-        "android.hardware.audio.effect@4.0",
-        "android.hidl.memory@1.0",
-    ],
-
-    header_libs: [
-        "android.hardware.audio.common.util@all-versions",
-        "android.hardware.audio.effect@all-versions-impl",
-        "libaudio_system_headers",
-        "libaudioclient_headers",
-        "libeffects_headers",
-        "libhardware_headers",
-        "libmedia_headers",
-    ],
-}
diff --git a/audio/effect/4.0/default/AudioBufferManager.cpp b/audio/effect/4.0/default/AudioBufferManager.cpp
deleted file mode 100644
index 2d75f3f..0000000
--- a/audio/effect/4.0/default/AudioBufferManager.cpp
+++ /dev/null
@@ -1,21 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "AudioBufferManager.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <effect/all-versions/default/AudioBufferManager.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/AudioBufferManager.h b/audio/effect/4.0/default/AudioBufferManager.h
deleted file mode 100644
index 1f151e6..0000000
--- a/audio/effect/4.0/default/AudioBufferManager.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_AUDIO_BUFFER_MANAGER_H_
-#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_AUDIO_BUFFER_MANAGER_H_
-
-#include <android/hardware/audio/effect/4.0/types.h>
-
-#define AUDIO_HAL_VERSION V4_0
-#include <effect/all-versions/default/AudioBufferManager.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_AUDIO_BUFFER_MANAGER_H_
diff --git a/audio/effect/4.0/default/AutomaticGainControlEffect.cpp b/audio/effect/4.0/default/AutomaticGainControlEffect.cpp
deleted file mode 100644
index 9d21c8a..0000000
--- a/audio/effect/4.0/default/AutomaticGainControlEffect.cpp
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "AGC_Effect_HAL"
-
-#include "AutomaticGainControlEffect.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <effect/all-versions/default/AutomaticGainControlEffect.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/AutomaticGainControlEffect.h b/audio/effect/4.0/default/AutomaticGainControlEffect.h
deleted file mode 100644
index 7f12007..0000000
--- a/audio/effect/4.0/default/AutomaticGainControlEffect.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_AUTOMATICGAINCONTROLEFFECT_H
-#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_AUTOMATICGAINCONTROLEFFECT_H
-
-#include <android/hardware/audio/effect/4.0/IAutomaticGainControlEffect.h>
-
-#include "Effect.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <effect/all-versions/default/AutomaticGainControlEffect.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_AUTOMATICGAINCONTROLEFFECT_H
diff --git a/audio/effect/4.0/default/BassBoostEffect.cpp b/audio/effect/4.0/default/BassBoostEffect.cpp
deleted file mode 100644
index 74a626b..0000000
--- a/audio/effect/4.0/default/BassBoostEffect.cpp
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "BassBoost_HAL"
-
-#include "BassBoostEffect.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <effect/all-versions/default/BassBoostEffect.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/BassBoostEffect.h b/audio/effect/4.0/default/BassBoostEffect.h
deleted file mode 100644
index 206a75f..0000000
--- a/audio/effect/4.0/default/BassBoostEffect.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_BASSBOOSTEFFECT_H
-#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_BASSBOOSTEFFECT_H
-
-#include <android/hardware/audio/effect/4.0/IBassBoostEffect.h>
-
-#include <hidl/MQDescriptor.h>
-
-#include "Effect.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <effect/all-versions/default/BassBoostEffect.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_BASSBOOSTEFFECT_H
diff --git a/audio/effect/4.0/default/Conversions.cpp b/audio/effect/4.0/default/Conversions.cpp
deleted file mode 100644
index 91285ae..0000000
--- a/audio/effect/4.0/default/Conversions.cpp
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "Conversions.h"
-#include "HidlUtils.h"
-
-using ::android::hardware::audio::common::V4_0::HidlUtils;
-
-#define AUDIO_HAL_VERSION V4_0
-#include <effect/all-versions/default/Conversions.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/Conversions.h b/audio/effect/4.0/default/Conversions.h
deleted file mode 100644
index 50e380f..0000000
--- a/audio/effect/4.0/default/Conversions.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_CONVERSIONS_H_
-#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_CONVERSIONS_H_
-
-#include <android/hardware/audio/effect/4.0/types.h>
-
-#define AUDIO_HAL_VERSION V4_0
-#include <effect/all-versions/default/Conversions.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_CONVERSIONS_H_
diff --git a/audio/effect/4.0/default/DownmixEffect.cpp b/audio/effect/4.0/default/DownmixEffect.cpp
deleted file mode 100644
index 07fcab2..0000000
--- a/audio/effect/4.0/default/DownmixEffect.cpp
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "Downmix_HAL"
-
-#include "DownmixEffect.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <effect/all-versions/default/DownmixEffect.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/DownmixEffect.h b/audio/effect/4.0/default/DownmixEffect.h
deleted file mode 100644
index 5ae820b..0000000
--- a/audio/effect/4.0/default/DownmixEffect.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_DOWNMIXEFFECT_H
-#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_DOWNMIXEFFECT_H
-
-#include <android/hardware/audio/effect/4.0/IDownmixEffect.h>
-
-#include "Effect.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <effect/all-versions/default/DownmixEffect.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_DOWNMIXEFFECT_H
diff --git a/audio/effect/4.0/default/Effect.cpp b/audio/effect/4.0/default/Effect.cpp
deleted file mode 100644
index 707044b..0000000
--- a/audio/effect/4.0/default/Effect.cpp
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <memory.h>
-
-#define LOG_TAG "EffectHAL"
-#define ATRACE_TAG ATRACE_TAG_AUDIO
-
-#include "Conversions.h"
-#include "Effect.h"
-#include "common/all-versions/default/EffectMap.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <effect/all-versions/default/Effect.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/Effect.h b/audio/effect/4.0/default/Effect.h
deleted file mode 100644
index 9ca79c4..0000000
--- a/audio/effect/4.0/default/Effect.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_EFFECT_H
-#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_EFFECT_H
-
-#include <android/hardware/audio/effect/4.0/IEffect.h>
-
-#include "AudioBufferManager.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <effect/all-versions/default/Effect.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_EFFECT_H
diff --git a/audio/effect/4.0/default/EffectsFactory.cpp b/audio/effect/4.0/default/EffectsFactory.cpp
deleted file mode 100644
index ee0413d..0000000
--- a/audio/effect/4.0/default/EffectsFactory.cpp
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "EffectFactoryHAL"
-#include "EffectsFactory.h"
-#include "AcousticEchoCancelerEffect.h"
-#include "AutomaticGainControlEffect.h"
-#include "BassBoostEffect.h"
-#include "Conversions.h"
-#include "DownmixEffect.h"
-#include "Effect.h"
-#include "EnvironmentalReverbEffect.h"
-#include "EqualizerEffect.h"
-#include "HidlUtils.h"
-#include "LoudnessEnhancerEffect.h"
-#include "NoiseSuppressionEffect.h"
-#include "PresetReverbEffect.h"
-#include "VirtualizerEffect.h"
-#include "VisualizerEffect.h"
-#include "common/all-versions/default/EffectMap.h"
-
-using ::android::hardware::audio::common::V4_0::HidlUtils;
-
-#define AUDIO_HAL_VERSION V4_0
-#include <effect/all-versions/default/EffectsFactory.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/EffectsFactory.h b/audio/effect/4.0/default/EffectsFactory.h
deleted file mode 100644
index 48e4b4c..0000000
--- a/audio/effect/4.0/default/EffectsFactory.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_EFFECTSFACTORY_H
-#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_EFFECTSFACTORY_H
-
-#include <system/audio_effect.h>
-
-#include <android/hardware/audio/effect/4.0/IEffectsFactory.h>
-
-#include <hidl/MQDescriptor.h>
-#define AUDIO_HAL_VERSION V4_0
-#include <effect/all-versions/default/EffectsFactory.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_EFFECTSFACTORY_H
diff --git a/audio/effect/4.0/default/EnvironmentalReverbEffect.cpp b/audio/effect/4.0/default/EnvironmentalReverbEffect.cpp
deleted file mode 100644
index cc3102d..0000000
--- a/audio/effect/4.0/default/EnvironmentalReverbEffect.cpp
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "EnvReverb_HAL"
-#include <android/log.h>
-
-#include "EnvironmentalReverbEffect.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <effect/all-versions/default/EnvironmentalReverbEffect.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/EnvironmentalReverbEffect.h b/audio/effect/4.0/default/EnvironmentalReverbEffect.h
deleted file mode 100644
index c0fb25c..0000000
--- a/audio/effect/4.0/default/EnvironmentalReverbEffect.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_ENVIRONMENTALREVERBEFFECT_H
-#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_ENVIRONMENTALREVERBEFFECT_H
-
-#include <system/audio_effects/effect_environmentalreverb.h>
-
-#include <android/hardware/audio/effect/4.0/IEnvironmentalReverbEffect.h>
-
-#include "Effect.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <effect/all-versions/default/EnvironmentalReverbEffect.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_ENVIRONMENTALREVERBEFFECT_H
diff --git a/audio/effect/4.0/default/EqualizerEffect.cpp b/audio/effect/4.0/default/EqualizerEffect.cpp
deleted file mode 100644
index d0a40bc..0000000
--- a/audio/effect/4.0/default/EqualizerEffect.cpp
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "Equalizer_HAL"
-
-#include "EqualizerEffect.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <effect/all-versions/default/EqualizerEffect.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/EqualizerEffect.h b/audio/effect/4.0/default/EqualizerEffect.h
deleted file mode 100644
index 7c9463b..0000000
--- a/audio/effect/4.0/default/EqualizerEffect.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_EQUALIZEREFFECT_H
-#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_EQUALIZEREFFECT_H
-
-#include <android/hardware/audio/effect/4.0/IEqualizerEffect.h>
-
-#include "Effect.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <effect/all-versions/default/EqualizerEffect.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_EQUALIZEREFFECT_H
diff --git a/audio/effect/4.0/default/LoudnessEnhancerEffect.cpp b/audio/effect/4.0/default/LoudnessEnhancerEffect.cpp
deleted file mode 100644
index e3c5184..0000000
--- a/audio/effect/4.0/default/LoudnessEnhancerEffect.cpp
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "LoudnessEnhancer_HAL"
-
-#include "LoudnessEnhancerEffect.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <effect/all-versions/default/LoudnessEnhancerEffect.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/LoudnessEnhancerEffect.h b/audio/effect/4.0/default/LoudnessEnhancerEffect.h
deleted file mode 100644
index 64fa26a..0000000
--- a/audio/effect/4.0/default/LoudnessEnhancerEffect.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_LOUDNESSENHANCEREFFECT_H
-#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_LOUDNESSENHANCEREFFECT_H
-
-#include <android/hardware/audio/effect/4.0/ILoudnessEnhancerEffect.h>
-
-#include "Effect.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <effect/all-versions/default/LoudnessEnhancerEffect.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_LOUDNESSENHANCEREFFECT_H
diff --git a/audio/effect/4.0/default/NoiseSuppressionEffect.cpp b/audio/effect/4.0/default/NoiseSuppressionEffect.cpp
deleted file mode 100644
index e83a8e3..0000000
--- a/audio/effect/4.0/default/NoiseSuppressionEffect.cpp
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "NS_Effect_HAL"
-
-#include "NoiseSuppressionEffect.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <effect/all-versions/default/NoiseSuppressionEffect.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/NoiseSuppressionEffect.h b/audio/effect/4.0/default/NoiseSuppressionEffect.h
deleted file mode 100644
index 36d45af..0000000
--- a/audio/effect/4.0/default/NoiseSuppressionEffect.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_NOISESUPPRESSIONEFFECT_H
-#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_NOISESUPPRESSIONEFFECT_H
-
-#include <android/hardware/audio/effect/4.0/INoiseSuppressionEffect.h>
-
-#include "Effect.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <effect/all-versions/default/NoiseSuppressionEffect.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_NOISESUPPRESSIONEFFECT_H
diff --git a/audio/effect/4.0/default/OWNERS b/audio/effect/4.0/default/OWNERS
deleted file mode 100644
index 6fdc97c..0000000
--- a/audio/effect/4.0/default/OWNERS
+++ /dev/null
@@ -1,3 +0,0 @@
-elaurent@google.com
-krocard@google.com
-mnaganov@google.com
diff --git a/audio/effect/4.0/default/PresetReverbEffect.cpp b/audio/effect/4.0/default/PresetReverbEffect.cpp
deleted file mode 100644
index 0c23be7..0000000
--- a/audio/effect/4.0/default/PresetReverbEffect.cpp
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "PresetReverb_HAL"
-
-#include "PresetReverbEffect.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <effect/all-versions/default/PresetReverbEffect.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/PresetReverbEffect.h b/audio/effect/4.0/default/PresetReverbEffect.h
deleted file mode 100644
index 3eeae0a..0000000
--- a/audio/effect/4.0/default/PresetReverbEffect.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_PRESETREVERBEFFECT_H
-#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_PRESETREVERBEFFECT_H
-
-#include <android/hardware/audio/effect/4.0/IPresetReverbEffect.h>
-
-#include "Effect.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <effect/all-versions/default/PresetReverbEffect.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_PRESETREVERBEFFECT_H
diff --git a/audio/effect/4.0/default/VirtualizerEffect.cpp b/audio/effect/4.0/default/VirtualizerEffect.cpp
deleted file mode 100644
index f50e8ad..0000000
--- a/audio/effect/4.0/default/VirtualizerEffect.cpp
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "Virtualizer_HAL"
-
-#include "VirtualizerEffect.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <effect/all-versions/default/VirtualizerEffect.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/VirtualizerEffect.h b/audio/effect/4.0/default/VirtualizerEffect.h
deleted file mode 100644
index 8e7114e..0000000
--- a/audio/effect/4.0/default/VirtualizerEffect.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_VIRTUALIZEREFFECT_H
-#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_VIRTUALIZEREFFECT_H
-
-#include <android/hardware/audio/effect/4.0/IVirtualizerEffect.h>
-
-#include "Effect.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <effect/all-versions/default/VirtualizerEffect.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_VIRTUALIZEREFFECT_H
diff --git a/audio/effect/4.0/default/VisualizerEffect.cpp b/audio/effect/4.0/default/VisualizerEffect.cpp
deleted file mode 100644
index 8d4f100..0000000
--- a/audio/effect/4.0/default/VisualizerEffect.cpp
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "Visualizer_HAL"
-
-#include "VisualizerEffect.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <effect/all-versions/default/VisualizerEffect.impl.h>
-#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/VisualizerEffect.h b/audio/effect/4.0/default/VisualizerEffect.h
deleted file mode 100644
index 6b5ab9c..0000000
--- a/audio/effect/4.0/default/VisualizerEffect.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_VISUALIZEREFFECT_H
-#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_VISUALIZEREFFECT_H
-
-#include <android/hardware/audio/effect/4.0/IVisualizerEffect.h>
-
-#include "Effect.h"
-
-#define AUDIO_HAL_VERSION V4_0
-#include <effect/all-versions/default/VisualizerEffect.h>
-#undef AUDIO_HAL_VERSION
-
-#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_VISUALIZEREFFECT_H
diff --git a/audio/effect/4.0/vts/OWNERS b/audio/effect/4.0/vts/OWNERS
deleted file mode 100644
index 8711a9f..0000000
--- a/audio/effect/4.0/vts/OWNERS
+++ /dev/null
@@ -1,5 +0,0 @@
-elaurent@google.com
-krocard@google.com
-mnaganov@google.com
-yim@google.com
-zhuoyao@google.com
\ No newline at end of file
diff --git a/audio/effect/4.0/vts/functional/Android.bp b/audio/effect/4.0/vts/functional/Android.bp
deleted file mode 100644
index 4589e51..0000000
--- a/audio/effect/4.0/vts/functional/Android.bp
+++ /dev/null
@@ -1,39 +0,0 @@
-//
-// Copyright (C) 2016 The Android Open Source Project
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
-
-cc_test {
-    name: "VtsHalAudioEffectV4_0TargetTest",
-    defaults: ["VtsHalTargetTestDefaults"],
-    srcs: [
-        "VtsHalAudioEffectTargetTest.cpp",
-        "ValidateAudioEffectsConfiguration.cpp"
-    ],
-    static_libs: [
-        "android.hardware.audio.common.test.utility",
-        "android.hardware.audio.common@4.0",
-        "android.hardware.audio.effect@4.0",
-        "android.hidl.allocator@1.0",
-        "android.hidl.memory@1.0",
-        "libeffectsconfig",
-        "libicuuc",
-        "libicuuc_stubdata",
-        "libxml2",
-    ],
-    header_libs: [
-        "android.hardware.audio.common.util@all-versions",
-    ],
-    test_suites: ["general-tests"],
-}
diff --git a/audio/effect/4.0/vts/functional/ValidateAudioEffectsConfiguration.cpp b/audio/effect/4.0/vts/functional/ValidateAudioEffectsConfiguration.cpp
deleted file mode 100644
index 2e94143..0000000
--- a/audio/effect/4.0/vts/functional/ValidateAudioEffectsConfiguration.cpp
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <unistd.h>
-#include <iterator>
-
-#include <media/EffectsConfig.h>
-
-#include "utility/ValidateXml.h"
-
-// Stringify the argument.
-#define QUOTE(x) #x
-#define STRINGIFY(x) QUOTE(x)
-
-#define AUDIO_HAL_VERSION V4_0
-
-TEST(CheckConfig, audioEffectsConfigurationValidation) {
-    RecordProperty("description",
-                   "Verify that the effects configuration file is valid according to the schema");
-    using namespace android::effectsConfig;
-
-    std::vector<const char*> locations(std::begin(DEFAULT_LOCATIONS), std::end(DEFAULT_LOCATIONS));
-    const char* xsd = "/data/local/tmp/audio_effects_conf_" STRINGIFY(AUDIO_HAL_VERSION) ".xsd";
-    // Starting with V4, audio effect XML is required
-    EXPECT_ONE_VALID_XML_MULTIPLE_LOCATIONS(DEFAULT_NAME, locations, xsd);
-}
diff --git a/audio/effect/4.0/vts/functional/VtsHalAudioEffectTargetTest.cpp b/audio/effect/4.0/vts/functional/VtsHalAudioEffectTargetTest.cpp
deleted file mode 100644
index 96b8602..0000000
--- a/audio/effect/4.0/vts/functional/VtsHalAudioEffectTargetTest.cpp
+++ /dev/null
@@ -1,827 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "AudioEffectHidlHalTest"
-#include <android-base/logging.h>
-#include <system/audio.h>
-
-#include <android/hardware/audio/effect/4.0/IEffect.h>
-#include <android/hardware/audio/effect/4.0/IEffectsFactory.h>
-#include <android/hardware/audio/effect/4.0/IEqualizerEffect.h>
-#include <android/hardware/audio/effect/4.0/ILoudnessEnhancerEffect.h>
-#include <android/hardware/audio/effect/4.0/types.h>
-#include <android/hidl/allocator/1.0/IAllocator.h>
-#include <android/hidl/memory/1.0/IMemory.h>
-
-#include <common/all-versions/VersionUtils.h>
-
-#include <VtsHalHidlTargetTestBase.h>
-#include <VtsHalHidlTargetTestEnvBase.h>
-
-using android::sp;
-using android::hardware::hidl_handle;
-using android::hardware::hidl_memory;
-using android::hardware::hidl_string;
-using android::hardware::hidl_vec;
-using android::hardware::MQDescriptorSync;
-using android::hardware::Return;
-using android::hardware::Void;
-using android::hardware::audio::common::utils::mkEnumBitfield;
-using android::hardware::audio::common::V4_0::AudioDevice;
-using android::hardware::audio::common::V4_0::AudioHandleConsts;
-using android::hardware::audio::common::V4_0::AudioMode;
-using android::hardware::audio::common::V4_0::AudioSource;
-using android::hardware::audio::common::V4_0::Uuid;
-using android::hardware::audio::effect::V4_0::AudioBuffer;
-using android::hardware::audio::effect::V4_0::EffectAuxChannelsConfig;
-using android::hardware::audio::effect::V4_0::EffectBufferConfig;
-using android::hardware::audio::effect::V4_0::EffectConfig;
-using android::hardware::audio::effect::V4_0::EffectDescriptor;
-using android::hardware::audio::effect::V4_0::EffectOffloadParameter;
-using android::hardware::audio::effect::V4_0::IEffect;
-using android::hardware::audio::effect::V4_0::IEffectsFactory;
-using android::hardware::audio::effect::V4_0::IEqualizerEffect;
-using android::hardware::audio::effect::V4_0::ILoudnessEnhancerEffect;
-using android::hardware::audio::effect::V4_0::Result;
-using android::hidl::allocator::V1_0::IAllocator;
-using android::hidl::memory::V1_0::IMemory;
-
-#ifndef ARRAY_SIZE
-#define ARRAY_SIZE(a) (sizeof(a) / sizeof(*(a)))
-#endif
-
-// Test environment for Audio Effects Factory HIDL HAL.
-class AudioEffectsFactoryHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
-   public:
-    // get the test environment singleton
-    static AudioEffectsFactoryHidlEnvironment* Instance() {
-        static AudioEffectsFactoryHidlEnvironment* instance =
-            new AudioEffectsFactoryHidlEnvironment;
-        return instance;
-    }
-
-    virtual void registerTestServices() override { registerTestService<IEffectsFactory>(); }
-};
-
-// The main test class for Audio Effects Factory HIDL HAL.
-class AudioEffectsFactoryHidlTest : public ::testing::VtsHalHidlTargetTestBase {
-   public:
-    void SetUp() override {
-        effectsFactory = ::testing::VtsHalHidlTargetTestBase::getService<IEffectsFactory>(
-            AudioEffectsFactoryHidlEnvironment::Instance()->getServiceName<IEffectsFactory>());
-        ASSERT_NE(effectsFactory, nullptr);
-    }
-
-    void TearDown() override { effectsFactory.clear(); }
-
-   protected:
-    static void description(const std::string& description) {
-        RecordProperty("description", description);
-    }
-
-    sp<IEffectsFactory> effectsFactory;
-};
-
-TEST_F(AudioEffectsFactoryHidlTest, EnumerateEffects) {
-    description("Verify that EnumerateEffects returns at least one effect");
-    Result retval = Result::NOT_INITIALIZED;
-    size_t effectCount = 0;
-    Return<void> ret =
-        effectsFactory->getAllDescriptors([&](Result r, const hidl_vec<EffectDescriptor>& result) {
-            retval = r;
-            effectCount = result.size();
-        });
-    EXPECT_TRUE(ret.isOk());
-    EXPECT_EQ(Result::OK, retval);
-    EXPECT_GT(effectCount, 0u);
-}
-
-TEST_F(AudioEffectsFactoryHidlTest, CreateEffect) {
-    description("Verify that an effect can be created via CreateEffect");
-    bool gotEffect = false;
-    Uuid effectUuid;
-    Return<void> ret =
-        effectsFactory->getAllDescriptors([&](Result r, const hidl_vec<EffectDescriptor>& result) {
-            if (r == Result::OK && result.size() > 0) {
-                gotEffect = true;
-                effectUuid = result[0].uuid;
-            }
-        });
-    ASSERT_TRUE(ret.isOk());
-    ASSERT_TRUE(gotEffect);
-    Result retval = Result::NOT_INITIALIZED;
-    sp<IEffect> effect;
-    ret = effectsFactory->createEffect(
-        effectUuid, 1 /*session*/, 1 /*ioHandle*/,
-        [&](Result r, const sp<IEffect>& result, uint64_t /*effectId*/) {
-            retval = r;
-            if (r == Result::OK) {
-                effect = result;
-            }
-        });
-    EXPECT_TRUE(ret.isOk());
-    EXPECT_EQ(Result::OK, retval);
-    EXPECT_NE(nullptr, effect.get());
-}
-
-TEST_F(AudioEffectsFactoryHidlTest, GetDescriptor) {
-    description(
-        "Verify that effects factory can provide an effect descriptor via "
-        "GetDescriptor");
-    hidl_vec<EffectDescriptor> allDescriptors;
-    Return<void> ret =
-        effectsFactory->getAllDescriptors([&](Result r, const hidl_vec<EffectDescriptor>& result) {
-            if (r == Result::OK) {
-                allDescriptors = result;
-            }
-        });
-    ASSERT_TRUE(ret.isOk());
-    ASSERT_GT(allDescriptors.size(), 0u);
-    for (size_t i = 0; i < allDescriptors.size(); ++i) {
-        ret = effectsFactory->getDescriptor(allDescriptors[i].uuid,
-                                            [&](Result r, const EffectDescriptor& result) {
-                                                EXPECT_EQ(r, Result::OK);
-                                                EXPECT_EQ(result, allDescriptors[i]);
-                                            });
-    }
-    EXPECT_TRUE(ret.isOk());
-}
-
-TEST_F(AudioEffectsFactoryHidlTest, DebugDumpInvalidArgument) {
-    description("Verify that debugDump doesn't crash on invalid arguments");
-    Return<void> ret = effectsFactory->debug(hidl_handle(), {});
-    ASSERT_TRUE(ret.isOk());
-}
-
-// Equalizer effect is required by CDD, but only the type is fixed.
-// This is the same UUID as AudioEffect.EFFECT_TYPE_EQUALIZER in Java.
-static const Uuid EQUALIZER_EFFECT_TYPE = {
-    0x0bed4300, 0xddd6, 0x11db, 0x8f34,
-    std::array<uint8_t, 6>{{0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}}};
-// Loudness Enhancer effect is required by CDD, but only the type is fixed.
-// This is the same UUID as AudioEffect.EFFECT_TYPE_LOUDNESS_ENHANCER in Java.
-static const Uuid LOUDNESS_ENHANCER_EFFECT_TYPE = {
-    0xfe3199be, 0xaed0, 0x413f, 0x87bb,
-    std::array<uint8_t, 6>{{0x11, 0x26, 0x0e, 0xb6, 0x3c, 0xf1}}};
-
-// The main test class for Audio Effect HIDL HAL.
-class AudioEffectHidlTest : public ::testing::VtsHalHidlTargetTestBase {
-   public:
-    void SetUp() override {
-        effectsFactory = ::testing::VtsHalHidlTargetTestBase::getService<IEffectsFactory>();
-        ASSERT_NE(nullptr, effectsFactory.get());
-
-        findAndCreateEffect(getEffectType());
-        ASSERT_NE(nullptr, effect.get());
-
-        Return<Result> ret = effect->init();
-        ASSERT_TRUE(ret.isOk());
-        ASSERT_EQ(Result::OK, ret);
-    }
-
-    void TearDown() override {
-        effect.clear();
-        effectsFactory.clear();
-    }
-
-   protected:
-    static void description(const std::string& description) {
-        RecordProperty("description", description);
-    }
-
-    virtual Uuid getEffectType() { return EQUALIZER_EFFECT_TYPE; }
-
-    void findAndCreateEffect(const Uuid& type);
-    void findEffectInstance(const Uuid& type, Uuid* uuid);
-    void getChannelCount(uint32_t* channelCount);
-
-    sp<IEffectsFactory> effectsFactory;
-    sp<IEffect> effect;
-};
-
-void AudioEffectHidlTest::findAndCreateEffect(const Uuid& type) {
-    Uuid effectUuid;
-    findEffectInstance(type, &effectUuid);
-    Return<void> ret = effectsFactory->createEffect(
-        effectUuid, 1 /*session*/, 1 /*ioHandle*/,
-        [&](Result r, const sp<IEffect>& result, uint64_t /*effectId*/) {
-            if (r == Result::OK) {
-                effect = result;
-            }
-        });
-    ASSERT_TRUE(ret.isOk());
-}
-
-void AudioEffectHidlTest::findEffectInstance(const Uuid& type, Uuid* uuid) {
-    bool effectFound = false;
-    Return<void> ret =
-        effectsFactory->getAllDescriptors([&](Result r, const hidl_vec<EffectDescriptor>& result) {
-            if (r == Result::OK) {
-                for (const auto& desc : result) {
-                    if (desc.type == type) {
-                        effectFound = true;
-                        *uuid = desc.uuid;
-                        break;
-                    }
-                }
-            }
-        });
-    ASSERT_TRUE(ret.isOk());
-    ASSERT_TRUE(effectFound);
-}
-
-void AudioEffectHidlTest::getChannelCount(uint32_t* channelCount) {
-    Result retval;
-    EffectConfig currentConfig;
-    Return<void> ret = effect->getConfig([&](Result r, const EffectConfig& conf) {
-        retval = r;
-        if (r == Result::OK) {
-            currentConfig = conf;
-        }
-    });
-    ASSERT_TRUE(ret.isOk());
-    ASSERT_EQ(Result::OK, retval);
-    ASSERT_TRUE(audio_channel_mask_is_valid(
-        static_cast<audio_channel_mask_t>(currentConfig.outputCfg.channels)));
-    *channelCount = audio_channel_count_from_out_mask(
-        static_cast<audio_channel_mask_t>(currentConfig.outputCfg.channels));
-}
-
-TEST_F(AudioEffectHidlTest, Close) {
-    description("Verify that an effect can be closed");
-    Return<Result> ret = effect->close();
-    EXPECT_TRUE(ret.isOk());
-    EXPECT_EQ(Result::OK, ret);
-}
-
-TEST_F(AudioEffectHidlTest, GetDescriptor) {
-    description("Verify that an effect can return its own descriptor via GetDescriptor");
-    Result retval = Result::NOT_INITIALIZED;
-    Uuid actualType;
-    Return<void> ret = effect->getDescriptor([&](Result r, const EffectDescriptor& desc) {
-        retval = r;
-        if (r == Result::OK) {
-            actualType = desc.type;
-        }
-    });
-    EXPECT_TRUE(ret.isOk());
-    EXPECT_EQ(Result::OK, retval);
-    EXPECT_EQ(getEffectType(), actualType);
-}
-
-TEST_F(AudioEffectHidlTest, GetSetConfig) {
-    description(
-        "Verify that it is possible to manipulate effect config via Get / "
-        "SetConfig");
-    Result retval = Result::NOT_INITIALIZED;
-    EffectConfig currentConfig;
-    Return<void> ret = effect->getConfig([&](Result r, const EffectConfig& conf) {
-        retval = r;
-        if (r == Result::OK) {
-            currentConfig = conf;
-        }
-    });
-    EXPECT_TRUE(ret.isOk());
-    EXPECT_EQ(Result::OK, retval);
-    Return<Result> ret2 = effect->setConfig(currentConfig, nullptr, nullptr);
-    EXPECT_TRUE(ret2.isOk());
-    EXPECT_EQ(Result::OK, ret2);
-}
-
-TEST_F(AudioEffectHidlTest, GetConfigReverse) {
-    description("Verify that GetConfigReverse does not crash");
-    Return<void> ret = effect->getConfigReverse([&](Result, const EffectConfig&) {});
-    EXPECT_TRUE(ret.isOk());
-}
-
-TEST_F(AudioEffectHidlTest, GetSupportedAuxChannelsConfigs) {
-    description("Verify that GetSupportedAuxChannelsConfigs does not crash");
-    Return<void> ret = effect->getSupportedAuxChannelsConfigs(
-        0, [&](Result, const hidl_vec<EffectAuxChannelsConfig>&) {});
-    EXPECT_TRUE(ret.isOk());
-}
-
-TEST_F(AudioEffectHidlTest, GetAuxChannelsConfig) {
-    description("Verify that GetAuxChannelsConfig does not crash");
-    Return<void> ret = effect->getAuxChannelsConfig([&](Result, const EffectAuxChannelsConfig&) {});
-    EXPECT_TRUE(ret.isOk());
-}
-
-TEST_F(AudioEffectHidlTest, SetAuxChannelsConfig) {
-    description("Verify that SetAuxChannelsConfig does not crash");
-    Return<Result> ret = effect->setAuxChannelsConfig(EffectAuxChannelsConfig());
-    EXPECT_TRUE(ret.isOk());
-}
-
-// Not generated automatically because AudioBuffer contains
-// instances of hidl_memory which can't be compared properly
-// in general case due to presence of handles.
-//
-// However, in this particular case, handles must not present
-// thus comparison is possible.
-//
-// operator== must be defined in the same namespace as the structures.
-namespace android {
-namespace hardware {
-namespace audio {
-namespace effect {
-namespace V4_0 {
-inline bool operator==(const AudioBuffer& lhs, const AudioBuffer& rhs) {
-    return lhs.id == rhs.id && lhs.frameCount == rhs.frameCount && lhs.data.handle() == nullptr &&
-           rhs.data.handle() == nullptr;
-}
-
-inline bool operator==(const EffectBufferConfig& lhs, const EffectBufferConfig& rhs) {
-    return lhs.buffer == rhs.buffer && lhs.samplingRateHz == rhs.samplingRateHz &&
-           lhs.channels == rhs.channels && lhs.format == rhs.format &&
-           lhs.accessMode == rhs.accessMode && lhs.mask == rhs.mask;
-}
-
-inline bool operator==(const EffectConfig& lhs, const EffectConfig& rhs) {
-    return lhs.inputCfg == rhs.inputCfg && lhs.outputCfg == rhs.outputCfg;
-}
-}  // namespace V4_0
-}  // namespace effect
-}  // namespace audio
-}  // namespace hardware
-}  // namespace android
-
-TEST_F(AudioEffectHidlTest, Reset) {
-    description("Verify that Reset preserves effect configuration");
-    Result retval = Result::NOT_INITIALIZED;
-    EffectConfig originalConfig;
-    Return<void> ret = effect->getConfig([&](Result r, const EffectConfig& conf) {
-        retval = r;
-        if (r == Result::OK) {
-            originalConfig = conf;
-        }
-    });
-    ASSERT_TRUE(ret.isOk());
-    ASSERT_EQ(Result::OK, retval);
-    Return<Result> ret2 = effect->reset();
-    EXPECT_TRUE(ret2.isOk());
-    EXPECT_EQ(Result::OK, ret2);
-    EffectConfig configAfterReset;
-    ret = effect->getConfig([&](Result r, const EffectConfig& conf) {
-        retval = r;
-        if (r == Result::OK) {
-            configAfterReset = conf;
-        }
-    });
-    EXPECT_EQ(originalConfig, configAfterReset);
-}
-
-TEST_F(AudioEffectHidlTest, DisableEnableDisable) {
-    description("Verify Disable -> Enable -> Disable sequence for an effect");
-    Return<Result> ret = effect->disable();
-    EXPECT_TRUE(ret.isOk());
-    EXPECT_EQ(Result::INVALID_ARGUMENTS, ret);
-    ret = effect->enable();
-    EXPECT_TRUE(ret.isOk());
-    EXPECT_EQ(Result::OK, ret);
-    ret = effect->disable();
-    EXPECT_TRUE(ret.isOk());
-    EXPECT_EQ(Result::OK, ret);
-}
-
-TEST_F(AudioEffectHidlTest, SetDevice) {
-    description("Verify that SetDevice works for an output chain effect");
-    Return<Result> ret = effect->setDevice(mkEnumBitfield(AudioDevice::OUT_SPEAKER));
-    EXPECT_TRUE(ret.isOk());
-    EXPECT_EQ(Result::OK, ret);
-}
-
-TEST_F(AudioEffectHidlTest, SetAndGetVolume) {
-    description("Verify that SetAndGetVolume method works for an effect");
-    uint32_t channelCount;
-    getChannelCount(&channelCount);
-    hidl_vec<uint32_t> volumes;
-    volumes.resize(channelCount);
-    for (uint32_t i = 0; i < channelCount; ++i) {
-        volumes[i] = 0;
-    }
-    Result retval = Result::NOT_INITIALIZED;
-    Return<void> ret =
-        effect->setAndGetVolume(volumes, [&](Result r, const hidl_vec<uint32_t>&) { retval = r; });
-    EXPECT_TRUE(ret.isOk());
-    EXPECT_EQ(Result::OK, retval);
-}
-
-TEST_F(AudioEffectHidlTest, VolumeChangeNotification) {
-    description("Verify that effect accepts VolumeChangeNotification");
-    uint32_t channelCount;
-    getChannelCount(&channelCount);
-    hidl_vec<uint32_t> volumes;
-    volumes.resize(channelCount);
-    for (uint32_t i = 0; i < channelCount; ++i) {
-        volumes[i] = 0;
-    }
-    Return<Result> ret = effect->volumeChangeNotification(volumes);
-    EXPECT_TRUE(ret.isOk());
-    EXPECT_EQ(Result::OK, ret);
-}
-
-TEST_F(AudioEffectHidlTest, SetAudioMode) {
-    description("Verify that SetAudioMode works for an effect");
-    Return<Result> ret = effect->setAudioMode(AudioMode::NORMAL);
-    EXPECT_TRUE(ret.isOk());
-    EXPECT_EQ(Result::OK, ret);
-}
-
-TEST_F(AudioEffectHidlTest, SetConfigReverse) {
-    description("Verify that SetConfigReverse does not crash");
-    Return<Result> ret = effect->setConfigReverse(EffectConfig(), nullptr, nullptr);
-    EXPECT_TRUE(ret.isOk());
-}
-
-TEST_F(AudioEffectHidlTest, SetInputDevice) {
-    description("Verify that SetInputDevice does not crash");
-    Return<Result> ret = effect->setInputDevice(mkEnumBitfield(AudioDevice::IN_BUILTIN_MIC));
-    EXPECT_TRUE(ret.isOk());
-}
-
-TEST_F(AudioEffectHidlTest, SetAudioSource) {
-    description("Verify that SetAudioSource does not crash");
-    Return<Result> ret = effect->setAudioSource(AudioSource::MIC);
-    EXPECT_TRUE(ret.isOk());
-}
-
-TEST_F(AudioEffectHidlTest, Offload) {
-    description("Verify that calling Offload method does not crash");
-    EffectOffloadParameter offloadParam;
-    offloadParam.isOffload = false;
-    offloadParam.ioHandle = static_cast<int>(AudioHandleConsts::AUDIO_IO_HANDLE_NONE);
-    Return<Result> ret = effect->offload(offloadParam);
-    EXPECT_TRUE(ret.isOk());
-}
-
-TEST_F(AudioEffectHidlTest, PrepareForProcessing) {
-    description("Verify that PrepareForProcessing method works for an effect");
-    Result retval = Result::NOT_INITIALIZED;
-    Return<void> ret = effect->prepareForProcessing(
-        [&](Result r, const MQDescriptorSync<Result>&) { retval = r; });
-    EXPECT_TRUE(ret.isOk());
-    EXPECT_EQ(Result::OK, retval);
-}
-
-TEST_F(AudioEffectHidlTest, SetProcessBuffers) {
-    description("Verify that SetProcessBuffers works for an effect");
-    sp<IAllocator> ashmem = IAllocator::getService("ashmem");
-    ASSERT_NE(nullptr, ashmem.get());
-    bool success = false;
-    AudioBuffer buffer;
-    Return<void> ret = ashmem->allocate(1024, [&](bool s, const hidl_memory& memory) {
-        success = s;
-        if (s) {
-            buffer.data = memory;
-        }
-    });
-    ASSERT_TRUE(ret.isOk());
-    ASSERT_TRUE(success);
-    Return<Result> ret2 = effect->setProcessBuffers(buffer, buffer);
-    EXPECT_TRUE(ret2.isOk());
-    EXPECT_EQ(Result::OK, ret2);
-}
-
-TEST_F(AudioEffectHidlTest, Command) {
-    description("Verify that Command does not crash");
-    Return<void> ret =
-        effect->command(0, hidl_vec<uint8_t>(), 0, [&](int32_t, const hidl_vec<uint8_t>&) {});
-    EXPECT_TRUE(ret.isOk());
-}
-
-TEST_F(AudioEffectHidlTest, SetParameter) {
-    description("Verify that SetParameter does not crash");
-    Return<Result> ret = effect->setParameter(hidl_vec<uint8_t>(), hidl_vec<uint8_t>());
-    EXPECT_TRUE(ret.isOk());
-}
-
-TEST_F(AudioEffectHidlTest, GetParameter) {
-    description("Verify that GetParameter does not crash");
-    Return<void> ret =
-        effect->getParameter(hidl_vec<uint8_t>(), 0, [&](Result, const hidl_vec<uint8_t>&) {});
-    EXPECT_TRUE(ret.isOk());
-}
-
-TEST_F(AudioEffectHidlTest, GetSupportedConfigsForFeature) {
-    description("Verify that GetSupportedConfigsForFeature does not crash");
-    Return<void> ret = effect->getSupportedConfigsForFeature(
-        0, 0, 0, [&](Result, uint32_t, const hidl_vec<uint8_t>&) {});
-    EXPECT_TRUE(ret.isOk());
-}
-
-TEST_F(AudioEffectHidlTest, GetCurrentConfigForFeature) {
-    description("Verify that GetCurrentConfigForFeature does not crash");
-    Return<void> ret =
-        effect->getCurrentConfigForFeature(0, 0, [&](Result, const hidl_vec<uint8_t>&) {});
-    EXPECT_TRUE(ret.isOk());
-}
-
-TEST_F(AudioEffectHidlTest, SetCurrentConfigForFeature) {
-    description("Verify that SetCurrentConfigForFeature does not crash");
-    Return<Result> ret = effect->setCurrentConfigForFeature(0, hidl_vec<uint8_t>());
-    EXPECT_TRUE(ret.isOk());
-}
-
-// The main test class for Equalizer Audio Effect HIDL HAL.
-class EqualizerAudioEffectHidlTest : public AudioEffectHidlTest {
-   public:
-    void SetUp() override {
-        AudioEffectHidlTest::SetUp();
-        equalizer = IEqualizerEffect::castFrom(effect);
-        ASSERT_NE(nullptr, equalizer.get());
-    }
-
-   protected:
-    Uuid getEffectType() override { return EQUALIZER_EFFECT_TYPE; }
-    void getNumBands(uint16_t* numBands);
-    void getLevelRange(int16_t* minLevel, int16_t* maxLevel);
-    void getBandFrequencyRange(uint16_t band, uint32_t* minFreq, uint32_t* centerFreq,
-                               uint32_t* maxFreq);
-    void getPresetCount(size_t* count);
-
-    sp<IEqualizerEffect> equalizer;
-};
-
-void EqualizerAudioEffectHidlTest::getNumBands(uint16_t* numBands) {
-    Result retval = Result::NOT_INITIALIZED;
-    Return<void> ret = equalizer->getNumBands([&](Result r, uint16_t b) {
-        retval = r;
-        if (retval == Result::OK) {
-            *numBands = b;
-        }
-    });
-    ASSERT_TRUE(ret.isOk());
-    ASSERT_EQ(Result::OK, retval);
-}
-
-void EqualizerAudioEffectHidlTest::getLevelRange(int16_t* minLevel, int16_t* maxLevel) {
-    Result retval = Result::NOT_INITIALIZED;
-    Return<void> ret = equalizer->getLevelRange([&](Result r, int16_t min, int16_t max) {
-        retval = r;
-        if (retval == Result::OK) {
-            *minLevel = min;
-            *maxLevel = max;
-        }
-    });
-    ASSERT_TRUE(ret.isOk());
-    ASSERT_EQ(Result::OK, retval);
-}
-
-void EqualizerAudioEffectHidlTest::getBandFrequencyRange(uint16_t band, uint32_t* minFreq,
-                                                         uint32_t* centerFreq, uint32_t* maxFreq) {
-    Result retval = Result::NOT_INITIALIZED;
-    Return<void> ret =
-        equalizer->getBandFrequencyRange(band, [&](Result r, uint32_t min, uint32_t max) {
-            retval = r;
-            if (retval == Result::OK) {
-                *minFreq = min;
-                *maxFreq = max;
-            }
-        });
-    ASSERT_TRUE(ret.isOk());
-    ASSERT_EQ(Result::OK, retval);
-    ret = equalizer->getBandCenterFrequency(band, [&](Result r, uint32_t center) {
-        retval = r;
-        if (retval == Result::OK) {
-            *centerFreq = center;
-        }
-    });
-    ASSERT_TRUE(ret.isOk());
-    ASSERT_EQ(Result::OK, retval);
-}
-
-void EqualizerAudioEffectHidlTest::getPresetCount(size_t* count) {
-    Result retval = Result::NOT_INITIALIZED;
-    Return<void> ret = equalizer->getPresetNames([&](Result r, const hidl_vec<hidl_string>& names) {
-        retval = r;
-        if (retval == Result::OK) {
-            *count = names.size();
-        }
-    });
-    ASSERT_TRUE(ret.isOk());
-    ASSERT_EQ(Result::OK, retval);
-}
-
-TEST_F(EqualizerAudioEffectHidlTest, GetNumBands) {
-    description("Verify that Equalizer effect reports at least one band");
-    uint16_t numBands = 0;
-    getNumBands(&numBands);
-    EXPECT_GT(numBands, 0);
-}
-
-TEST_F(EqualizerAudioEffectHidlTest, GetLevelRange) {
-    description("Verify that Equalizer effect reports adequate band level range");
-    int16_t minLevel = 0x7fff, maxLevel = 0;
-    getLevelRange(&minLevel, &maxLevel);
-    EXPECT_GT(maxLevel, minLevel);
-}
-
-TEST_F(EqualizerAudioEffectHidlTest, GetSetBandLevel) {
-    description("Verify that manipulating band levels works for Equalizer effect");
-    uint16_t numBands = 0;
-    getNumBands(&numBands);
-    ASSERT_GT(numBands, 0);
-    int16_t levels[3]{0x7fff, 0, 0};
-    getLevelRange(&levels[0], &levels[2]);
-    ASSERT_GT(levels[2], levels[0]);
-    levels[1] = (levels[2] + levels[0]) / 2;
-    for (uint16_t i = 0; i < numBands; ++i) {
-        for (size_t j = 0; j < ARRAY_SIZE(levels); ++j) {
-            Return<Result> ret = equalizer->setBandLevel(i, levels[j]);
-            EXPECT_TRUE(ret.isOk());
-            EXPECT_EQ(Result::OK, ret);
-            Result retval = Result::NOT_INITIALIZED;
-            int16_t actualLevel;
-            Return<void> ret2 = equalizer->getBandLevel(i, [&](Result r, int16_t l) {
-                retval = r;
-                if (retval == Result::OK) {
-                    actualLevel = l;
-                }
-            });
-            EXPECT_TRUE(ret2.isOk());
-            EXPECT_EQ(Result::OK, retval);
-            EXPECT_EQ(levels[j], actualLevel);
-        }
-    }
-}
-
-TEST_F(EqualizerAudioEffectHidlTest, GetBandCenterFrequencyAndRange) {
-    description("Verify that Equalizer effect reports adequate band frequency range");
-    uint16_t numBands = 0;
-    getNumBands(&numBands);
-    ASSERT_GT(numBands, 0);
-    for (uint16_t i = 0; i < numBands; ++i) {
-        uint32_t minFreq = 0xffffffff, centerFreq = 0xffffffff, maxFreq = 0xffffffff;
-        getBandFrequencyRange(i, &minFreq, &centerFreq, &maxFreq);
-        // Note: NXP legacy implementation reports "1" as upper bound for last band,
-        // so this check fails.
-        EXPECT_GE(maxFreq, centerFreq);
-        EXPECT_GE(centerFreq, minFreq);
-    }
-}
-
-TEST_F(EqualizerAudioEffectHidlTest, GetBandForFrequency) {
-    description("Verify that Equalizer effect supports GetBandForFrequency correctly");
-    uint16_t numBands = 0;
-    getNumBands(&numBands);
-    ASSERT_GT(numBands, 0);
-    for (uint16_t i = 0; i < numBands; ++i) {
-        uint32_t freqs[3]{0, 0, 0};
-        getBandFrequencyRange(i, &freqs[0], &freqs[1], &freqs[2]);
-        // NXP legacy implementation reports "1" as upper bound for last band, some
-        // of the checks fail.
-        for (size_t j = 0; j < ARRAY_SIZE(freqs); ++j) {
-            if (j == 0) {
-                freqs[j]++;
-            }  // Min frequency is an open interval.
-            Result retval = Result::NOT_INITIALIZED;
-            uint16_t actualBand = numBands + 1;
-            Return<void> ret = equalizer->getBandForFrequency(freqs[j], [&](Result r, uint16_t b) {
-                retval = r;
-                if (retval == Result::OK) {
-                    actualBand = b;
-                }
-            });
-            EXPECT_TRUE(ret.isOk());
-            EXPECT_EQ(Result::OK, retval);
-            EXPECT_EQ(i, actualBand) << "Frequency: " << freqs[j];
-        }
-    }
-}
-
-TEST_F(EqualizerAudioEffectHidlTest, GetPresetNames) {
-    description("Verify that Equalizer effect reports at least one preset");
-    size_t presetCount;
-    getPresetCount(&presetCount);
-    EXPECT_GT(presetCount, 0u);
-}
-
-TEST_F(EqualizerAudioEffectHidlTest, GetSetCurrentPreset) {
-    description("Verify that manipulating the current preset for Equalizer effect");
-    size_t presetCount;
-    getPresetCount(&presetCount);
-    ASSERT_GT(presetCount, 0u);
-    for (uint16_t i = 0; i < presetCount; ++i) {
-        Return<Result> ret = equalizer->setCurrentPreset(i);
-        EXPECT_TRUE(ret.isOk());
-        EXPECT_EQ(Result::OK, ret);
-        Result retval = Result::NOT_INITIALIZED;
-        uint16_t actualPreset = 0xffff;
-        Return<void> ret2 = equalizer->getCurrentPreset([&](Result r, uint16_t p) {
-            retval = r;
-            if (retval == Result::OK) {
-                actualPreset = p;
-            }
-        });
-        EXPECT_TRUE(ret2.isOk());
-        EXPECT_EQ(Result::OK, retval);
-        EXPECT_EQ(i, actualPreset);
-    }
-}
-
-TEST_F(EqualizerAudioEffectHidlTest, GetSetAllProperties) {
-    description(
-        "Verify that setting band levels and presets works via Get / "
-        "SetAllProperties for Equalizer effect");
-    using AllProperties = android::hardware::audio::effect::V4_0::IEqualizerEffect::AllProperties;
-    uint16_t numBands = 0;
-    getNumBands(&numBands);
-    ASSERT_GT(numBands, 0);
-    AllProperties props;
-    props.bandLevels.resize(numBands);
-    for (size_t i = 0; i < numBands; ++i) {
-        props.bandLevels[i] = 0;
-    }
-
-    AllProperties actualProps;
-    Result retval = Result::NOT_INITIALIZED;
-
-    // Verify setting of the band levels via properties.
-    props.curPreset = -1;
-    Return<Result> ret = equalizer->setAllProperties(props);
-    EXPECT_TRUE(ret.isOk());
-    EXPECT_EQ(Result::OK, ret);
-    Return<void> ret2 = equalizer->getAllProperties([&](Result r, AllProperties p) {
-        retval = r;
-        if (retval == Result::OK) {
-            actualProps = p;
-        }
-    });
-    EXPECT_TRUE(ret2.isOk());
-    EXPECT_EQ(Result::OK, retval);
-    EXPECT_EQ(props.bandLevels, actualProps.bandLevels);
-
-    // Verify setting of the current preset via properties.
-    props.curPreset = 0;  // Assuming there is at least one preset.
-    ret = equalizer->setAllProperties(props);
-    EXPECT_TRUE(ret.isOk());
-    EXPECT_EQ(Result::OK, ret);
-    ret2 = equalizer->getAllProperties([&](Result r, AllProperties p) {
-        retval = r;
-        if (retval == Result::OK) {
-            actualProps = p;
-        }
-    });
-    EXPECT_TRUE(ret2.isOk());
-    EXPECT_EQ(Result::OK, retval);
-    EXPECT_EQ(props.curPreset, actualProps.curPreset);
-}
-
-// The main test class for Equalizer Audio Effect HIDL HAL.
-class LoudnessEnhancerAudioEffectHidlTest : public AudioEffectHidlTest {
-   public:
-    void SetUp() override {
-        AudioEffectHidlTest::SetUp();
-        enhancer = ILoudnessEnhancerEffect::castFrom(effect);
-        ASSERT_NE(nullptr, enhancer.get());
-    }
-
-   protected:
-    Uuid getEffectType() override { return LOUDNESS_ENHANCER_EFFECT_TYPE; }
-
-    sp<ILoudnessEnhancerEffect> enhancer;
-};
-
-TEST_F(LoudnessEnhancerAudioEffectHidlTest, GetSetTargetGain) {
-    description(
-        "Verify that manipulating the target gain works for Loudness Enhancer "
-        "effect");
-    const int32_t gain = 100;
-    Return<Result> ret = enhancer->setTargetGain(gain);
-    EXPECT_TRUE(ret.isOk());
-    EXPECT_EQ(Result::OK, ret);
-    int32_t actualGain = 0;
-    Result retval;
-    Return<void> ret2 = enhancer->getTargetGain([&](Result r, int32_t g) {
-        retval = r;
-        if (retval == Result::OK) {
-            actualGain = g;
-        }
-    });
-    EXPECT_TRUE(ret2.isOk());
-    EXPECT_EQ(Result::OK, retval);
-    EXPECT_EQ(gain, actualGain);
-}
-
-int main(int argc, char** argv) {
-    ::testing::AddGlobalTestEnvironment(AudioEffectsFactoryHidlEnvironment::Instance());
-    ::testing::InitGoogleTest(&argc, argv);
-    AudioEffectsFactoryHidlEnvironment::Instance()->init(&argc, argv);
-    int status = RUN_ALL_TESTS();
-    LOG(INFO) << "Test result = " << status;
-    return status;
-}
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/AcousticEchoCancelerEffect.impl.h b/audio/effect/all-versions/default/AcousticEchoCancelerEffect.cpp
similarity index 94%
rename from audio/effect/all-versions/default/include/effect/all-versions/default/AcousticEchoCancelerEffect.impl.h
rename to audio/effect/all-versions/default/AcousticEchoCancelerEffect.cpp
index 8ad80a2..0b60622 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/AcousticEchoCancelerEffect.impl.h
+++ b/audio/effect/all-versions/default/AcousticEchoCancelerEffect.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,9 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#define LOG_TAG "AEC_Effect_HAL"
+
+#include "AcousticEchoCancelerEffect.h"
 
 #include <android/log.h>
 #include <system/audio_effects/effect_aec.h>
@@ -25,7 +27,7 @@
 namespace hardware {
 namespace audio {
 namespace effect {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 AcousticEchoCancelerEffect::AcousticEchoCancelerEffect(effect_handle_t handle)
@@ -33,7 +35,7 @@
 
 AcousticEchoCancelerEffect::~AcousticEchoCancelerEffect() {}
 
-// Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffect follow.
+// Methods from ::android::hardware::audio::effect::CPP_VERSION::IEffect follow.
 Return<Result> AcousticEchoCancelerEffect::init() {
     return mEffect->init();
 }
@@ -163,7 +165,7 @@
     return mEffect->close();
 }
 
-// Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IAcousticEchoCancelerEffect
+// Methods from ::android::hardware::audio::effect::CPP_VERSION::IAcousticEchoCancelerEffect
 // follow.
 Return<Result> AcousticEchoCancelerEffect::setEchoDelay(uint32_t echoDelayMs) {
     return mEffect->setParam(AEC_PARAM_ECHO_DELAY, echoDelayMs);
@@ -174,7 +176,7 @@
 }
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace effect
 }  // namespace audio
 }  // namespace hardware
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/AcousticEchoCancelerEffect.h b/audio/effect/all-versions/default/AcousticEchoCancelerEffect.h
similarity index 85%
rename from audio/effect/all-versions/default/include/effect/all-versions/default/AcousticEchoCancelerEffect.h
rename to audio/effect/all-versions/default/AcousticEchoCancelerEffect.h
index 37744b3..c18f88b 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/AcousticEchoCancelerEffect.h
+++ b/audio/effect/all-versions/default/AcousticEchoCancelerEffect.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,12 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_ACOUSTICECHOCANCELEREFFECT_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_ACOUSTICECHOCANCELEREFFECT_H
+
+#include PATH(android/hardware/audio/effect/FILE_VERSION/IAcousticEchoCancelerEffect.h)
+
+#include "Effect.h"
 
 #include <hidl/Status.h>
 
@@ -26,7 +31,7 @@
 namespace hardware {
 namespace audio {
 namespace effect {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 using ::android::sp;
@@ -34,13 +39,13 @@
 using ::android::hardware::hidl_vec;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IAcousticEchoCancelerEffect;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::Result;
+using ::android::hardware::audio::effect::CPP_VERSION::IAcousticEchoCancelerEffect;
+using ::android::hardware::audio::effect::CPP_VERSION::Result;
 
 struct AcousticEchoCancelerEffect : public IAcousticEchoCancelerEffect {
     explicit AcousticEchoCancelerEffect(effect_handle_t handle);
 
-    // Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffect follow.
+    // Methods from ::android::hardware::audio::effect::CPP_VERSION::IEffect follow.
     Return<Result> init() override;
     Return<Result> setConfig(
         const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
@@ -85,7 +90,7 @@
     Return<Result> close() override;
 
     // Methods from
-    // ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IAcousticEchoCancelerEffect follow.
+    // ::android::hardware::audio::effect::CPP_VERSION::IAcousticEchoCancelerEffect follow.
     Return<Result> setEchoDelay(uint32_t echoDelayMs) override;
     Return<void> getEchoDelay(getEchoDelay_cb _hidl_cb) override;
 
@@ -96,8 +101,10 @@
 };
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace effect
 }  // namespace audio
 }  // namespace hardware
 }  // namespace android
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_ACOUSTICECHOCANCELEREFFECT_H
diff --git a/audio/effect/all-versions/default/Android.bp b/audio/effect/all-versions/default/Android.bp
index ed2a093..ce41481 100644
--- a/audio/effect/all-versions/default/Android.bp
+++ b/audio/effect/all-versions/default/Android.bp
@@ -1,10 +1,25 @@
-cc_library_headers {
-    name: "android.hardware.audio.effect@all-versions-impl",
+cc_library_shared {
+    name: "android.hardware.audio.effect@2.0-impl",
     defaults: ["hidl_defaults"],
     vendor: true,
     relative_install_path: "hw",
-
-    export_include_dirs: ["include"],
+    srcs: [
+        "AcousticEchoCancelerEffect.cpp",
+        "AudioBufferManager.cpp",
+        "AutomaticGainControlEffect.cpp",
+        "BassBoostEffect.cpp",
+        "Conversions.cpp",
+        "DownmixEffect.cpp",
+        "Effect.cpp",
+        "EffectsFactory.cpp",
+        "EnvironmentalReverbEffect.cpp",
+        "EqualizerEffect.cpp",
+        "LoudnessEnhancerEffect.cpp",
+        "NoiseSuppressionEffect.cpp",
+        "PresetReverbEffect.cpp",
+        "VirtualizerEffect.cpp",
+        "VisualizerEffect.cpp",
+    ],
 
     shared_libs: [
         "libbase",
@@ -17,15 +32,78 @@
         "liblog",
         "libutils",
         "android.hardware.audio.common-util",
+        "android.hardware.audio.common@2.0",
+        "android.hardware.audio.common@2.0-util",
+        "android.hardware.audio.effect@2.0",
         "android.hidl.memory@1.0",
     ],
 
     header_libs: [
+        "android.hardware.audio.common.util@all-versions",
         "libaudio_system_headers",
         "libaudioclient_headers",
         "libeffects_headers",
         "libhardware_headers",
         "libmedia_headers",
-        "android.hardware.audio.common.util@all-versions",
     ],
+    cflags: [
+        "-DMAJOR_VERSION=2",
+        "-DMINOR_VERSION=0",
+        "-include common/all-versions/VersionMacro.h",
+    ]
+}
+
+cc_library_shared {
+    name: "android.hardware.audio.effect@4.0-impl",
+    defaults: ["hidl_defaults"],
+    vendor: true,
+    relative_install_path: "hw",
+    srcs: [
+        "AcousticEchoCancelerEffect.cpp",
+        "AudioBufferManager.cpp",
+        "AutomaticGainControlEffect.cpp",
+        "BassBoostEffect.cpp",
+        "Conversions.cpp",
+        "DownmixEffect.cpp",
+        "Effect.cpp",
+        "EffectsFactory.cpp",
+        "EnvironmentalReverbEffect.cpp",
+        "EqualizerEffect.cpp",
+        "LoudnessEnhancerEffect.cpp",
+        "NoiseSuppressionEffect.cpp",
+        "PresetReverbEffect.cpp",
+        "VirtualizerEffect.cpp",
+        "VisualizerEffect.cpp",
+    ],
+
+    shared_libs: [
+        "libbase",
+        "libcutils",
+        "libeffects",
+        "libfmq",
+        "libhidlbase",
+        "libhidlmemory",
+        "libhidltransport",
+        "liblog",
+        "libutils",
+        "android.hardware.audio.common-util",
+        "android.hardware.audio.common@4.0",
+        "android.hardware.audio.common@4.0-util",
+        "android.hardware.audio.effect@4.0",
+        "android.hidl.memory@1.0",
+    ],
+
+    header_libs: [
+        "android.hardware.audio.common.util@all-versions",
+        "libaudio_system_headers",
+        "libaudioclient_headers",
+        "libeffects_headers",
+        "libhardware_headers",
+        "libmedia_headers",
+    ],
+    cflags: [
+        "-DMAJOR_VERSION=4",
+        "-DMINOR_VERSION=0",
+        "-include common/all-versions/VersionMacro.h",
+    ]
 }
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/AudioBufferManager.impl.h b/audio/effect/all-versions/default/AudioBufferManager.cpp
similarity index 93%
rename from audio/effect/all-versions/default/include/effect/all-versions/default/AudioBufferManager.impl.h
rename to audio/effect/all-versions/default/AudioBufferManager.cpp
index 71ccd2d..9a638fd 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/AudioBufferManager.impl.h
+++ b/audio/effect/all-versions/default/AudioBufferManager.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#include "AudioBufferManager.h"
 
 #include <atomic>
 
@@ -53,7 +53,7 @@
 namespace hardware {
 namespace audio {
 namespace effect {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 AudioBufferWrapper::AudioBufferWrapper(const AudioBuffer& buffer)
@@ -83,7 +83,7 @@
 }
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace effect
 }  // namespace audio
 }  // namespace hardware
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/AudioBufferManager.h b/audio/effect/all-versions/default/AudioBufferManager.h
similarity index 75%
rename from audio/effect/all-versions/default/include/effect/all-versions/default/AudioBufferManager.h
rename to audio/effect/all-versions/default/AudioBufferManager.h
index 34dea2d..8b956cd 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/AudioBufferManager.h
+++ b/audio/effect/all-versions/default/AudioBufferManager.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,10 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_AUDIO_BUFFER_MANAGER_H_
+#define ANDROID_HARDWARE_AUDIO_EFFECT_AUDIO_BUFFER_MANAGER_H_
+
+#include PATH(android/hardware/audio/effect/FILE_VERSION/types.h)
 
 #include <mutex>
 
@@ -24,14 +27,14 @@
 #include <utils/RefBase.h>
 #include <utils/Singleton.h>
 
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::AudioBuffer;
+using ::android::hardware::audio::effect::CPP_VERSION::AudioBuffer;
 using ::android::hidl::memory::V1_0::IMemory;
 
 namespace android {
 namespace hardware {
 namespace audio {
 namespace effect {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 class AudioBufferWrapper : public RefBase {
@@ -51,13 +54,13 @@
 };
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace effect
 }  // namespace audio
 }  // namespace hardware
 }  // namespace android
 
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::implementation::AudioBufferWrapper;
+using ::android::hardware::audio::effect::CPP_VERSION::implementation::AudioBufferWrapper;
 
 namespace android {
 
@@ -67,7 +70,7 @@
     bool wrap(const AudioBuffer& buffer, sp<AudioBufferWrapper>* wrapper);
 
    private:
-    friend class hardware::audio::effect::AUDIO_HAL_VERSION::implementation::AudioBufferWrapper;
+    friend class hardware::audio::effect::CPP_VERSION::implementation::AudioBufferWrapper;
 
     // Called by AudioBufferWrapper.
     void removeEntry(uint64_t id);
@@ -77,3 +80,5 @@
 };
 
 }  // namespace android
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_AUDIO_BUFFER_MANAGER_H_
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/AutomaticGainControlEffect.impl.h b/audio/effect/all-versions/default/AutomaticGainControlEffect.cpp
similarity index 95%
rename from audio/effect/all-versions/default/include/effect/all-versions/default/AutomaticGainControlEffect.impl.h
rename to audio/effect/all-versions/default/AutomaticGainControlEffect.cpp
index e2e751e..651dd1b 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/AutomaticGainControlEffect.impl.h
+++ b/audio/effect/all-versions/default/AutomaticGainControlEffect.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,9 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#define LOG_TAG "AGC_Effect_HAL"
+
+#include "AutomaticGainControlEffect.h"
 
 #include <android/log.h>
 
@@ -24,7 +26,7 @@
 namespace hardware {
 namespace audio {
 namespace effect {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 AutomaticGainControlEffect::AutomaticGainControlEffect(effect_handle_t handle)
@@ -46,7 +48,7 @@
     halProperties->limiterEnabled = properties.limiterEnabled;
 }
 
-// Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffect follow.
+// Methods from ::android::hardware::audio::effect::CPP_VERSION::IEffect follow.
 Return<Result> AutomaticGainControlEffect::init() {
     return mEffect->init();
 }
@@ -176,7 +178,7 @@
     return mEffect->close();
 }
 
-// Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IAutomaticGainControlEffect
+// Methods from ::android::hardware::audio::effect::CPP_VERSION::IAutomaticGainControlEffect
 // follow.
 Return<Result> AutomaticGainControlEffect::setTargetLevel(int16_t targetLevelMb) {
     return mEffect->setParam(AGC_PARAM_TARGET_LEVEL, targetLevelMb);
@@ -219,7 +221,7 @@
 }
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace effect
 }  // namespace audio
 }  // namespace hardware
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/AutomaticGainControlEffect.h b/audio/effect/all-versions/default/AutomaticGainControlEffect.h
similarity index 87%
rename from audio/effect/all-versions/default/include/effect/all-versions/default/AutomaticGainControlEffect.h
rename to audio/effect/all-versions/default/AutomaticGainControlEffect.h
index fce6cd6..a281b1d 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/AutomaticGainControlEffect.h
+++ b/audio/effect/all-versions/default/AutomaticGainControlEffect.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,12 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_AUTOMATICGAINCONTROLEFFECT_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_AUTOMATICGAINCONTROLEFFECT_H
+
+#include PATH(android/hardware/audio/effect/FILE_VERSION/IAutomaticGainControlEffect.h)
+
+#include "Effect.h"
 
 #include <system/audio_effects/effect_agc.h>
 
@@ -28,7 +33,7 @@
 namespace hardware {
 namespace audio {
 namespace effect {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 using ::android::sp;
@@ -36,13 +41,13 @@
 using ::android::hardware::hidl_vec;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IAutomaticGainControlEffect;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::Result;
+using ::android::hardware::audio::effect::CPP_VERSION::IAutomaticGainControlEffect;
+using ::android::hardware::audio::effect::CPP_VERSION::Result;
 
 struct AutomaticGainControlEffect : public IAutomaticGainControlEffect {
     explicit AutomaticGainControlEffect(effect_handle_t handle);
 
-    // Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffect follow.
+    // Methods from ::android::hardware::audio::effect::CPP_VERSION::IEffect follow.
     Return<Result> init() override;
     Return<Result> setConfig(
         const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
@@ -87,7 +92,7 @@
     Return<Result> close() override;
 
     // Methods from
-    // ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IAutomaticGainControlEffect follow.
+    // ::android::hardware::audio::effect::CPP_VERSION::IAutomaticGainControlEffect follow.
     Return<Result> setTargetLevel(int16_t targetLevelMb) override;
     Return<void> getTargetLevel(getTargetLevel_cb _hidl_cb) override;
     Return<Result> setCompGain(int16_t compGainMb) override;
@@ -110,8 +115,10 @@
 };
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace effect
 }  // namespace audio
 }  // namespace hardware
 }  // namespace android
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_AUTOMATICGAINCONTROLEFFECT_H
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/BassBoostEffect.impl.h b/audio/effect/all-versions/default/BassBoostEffect.cpp
similarity index 93%
rename from audio/effect/all-versions/default/include/effect/all-versions/default/BassBoostEffect.impl.h
rename to audio/effect/all-versions/default/BassBoostEffect.cpp
index 7bcb4a3..6f7763d 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/BassBoostEffect.impl.h
+++ b/audio/effect/all-versions/default/BassBoostEffect.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,9 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#define LOG_TAG "BassBoost_HAL"
+
+#include "BassBoostEffect.h"
 
 #include <android/log.h>
 #include <system/audio_effects/effect_bassboost.h>
@@ -25,14 +27,14 @@
 namespace hardware {
 namespace audio {
 namespace effect {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 BassBoostEffect::BassBoostEffect(effect_handle_t handle) : mEffect(new Effect(handle)) {}
 
 BassBoostEffect::~BassBoostEffect() {}
 
-// Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffect follow.
+// Methods from ::android::hardware::audio::effect::CPP_VERSION::IEffect follow.
 Return<Result> BassBoostEffect::init() {
     return mEffect->init();
 }
@@ -159,7 +161,7 @@
     return mEffect->close();
 }
 
-// Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IBassBoostEffect follow.
+// Methods from ::android::hardware::audio::effect::CPP_VERSION::IBassBoostEffect follow.
 Return<void> BassBoostEffect::isStrengthSupported(isStrengthSupported_cb _hidl_cb) {
     return mEffect->getIntegerParam(BASSBOOST_PARAM_STRENGTH_SUPPORTED, _hidl_cb);
 }
@@ -173,7 +175,7 @@
 }
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace effect
 }  // namespace audio
 }  // namespace hardware
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/BassBoostEffect.h b/audio/effect/all-versions/default/BassBoostEffect.h
similarity index 85%
rename from audio/effect/all-versions/default/include/effect/all-versions/default/BassBoostEffect.h
rename to audio/effect/all-versions/default/BassBoostEffect.h
index b79e7a4..a184ac2 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/BassBoostEffect.h
+++ b/audio/effect/all-versions/default/BassBoostEffect.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,14 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_BASSBOOSTEFFECT_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_BASSBOOSTEFFECT_H
+
+#include PATH(android/hardware/audio/effect/FILE_VERSION/IBassBoostEffect.h)
+
+#include <hidl/MQDescriptor.h>
+
+#include "Effect.h"
 
 #include <hidl/Status.h>
 
@@ -26,7 +33,7 @@
 namespace hardware {
 namespace audio {
 namespace effect {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 using ::android::sp;
@@ -34,13 +41,13 @@
 using ::android::hardware::hidl_vec;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IBassBoostEffect;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::Result;
+using ::android::hardware::audio::effect::CPP_VERSION::IBassBoostEffect;
+using ::android::hardware::audio::effect::CPP_VERSION::Result;
 
 struct BassBoostEffect : public IBassBoostEffect {
     explicit BassBoostEffect(effect_handle_t handle);
 
-    // Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffect follow.
+    // Methods from ::android::hardware::audio::effect::CPP_VERSION::IEffect follow.
     Return<Result> init() override;
     Return<Result> setConfig(
         const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
@@ -84,7 +91,7 @@
                                               const hidl_vec<uint8_t>& configData) override;
     Return<Result> close() override;
 
-    // Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IBassBoostEffect follow.
+    // Methods from ::android::hardware::audio::effect::CPP_VERSION::IBassBoostEffect follow.
     Return<void> isStrengthSupported(isStrengthSupported_cb _hidl_cb) override;
     Return<Result> setStrength(uint16_t strength) override;
     Return<void> getStrength(getStrength_cb _hidl_cb) override;
@@ -96,8 +103,10 @@
 };
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace effect
 }  // namespace audio
 }  // namespace hardware
 }  // namespace android
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_BASSBOOSTEFFECT_H
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/Conversions.impl.h b/audio/effect/all-versions/default/Conversions.cpp
similarity index 86%
rename from audio/effect/all-versions/default/include/effect/all-versions/default/Conversions.impl.h
rename to audio/effect/all-versions/default/Conversions.cpp
index 0884d8f..50b0562 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/Conversions.impl.h
+++ b/audio/effect/all-versions/default/Conversions.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,21 +14,24 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#include "Conversions.h"
+#include "HidlUtils.h"
+
+using ::android::hardware::audio::common::CPP_VERSION::HidlUtils;
 
 #include <memory.h>
 #include <stdio.h>
 
 #include <common/all-versions/VersionUtils.h>
 
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::HidlUtils;
+using ::android::hardware::audio::common::CPP_VERSION::HidlUtils;
 using ::android::hardware::audio::common::utils::EnumBitfield;
 
 namespace android {
 namespace hardware {
 namespace audio {
 namespace effect {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 void effectDescriptorFromHal(const effect_descriptor_t& halDescriptor,
@@ -52,7 +55,7 @@
 }
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace effect
 }  // namespace audio
 }  // namespace hardware
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/Conversions.h b/audio/effect/all-versions/default/Conversions.h
similarity index 71%
rename from audio/effect/all-versions/default/include/effect/all-versions/default/Conversions.h
rename to audio/effect/all-versions/default/Conversions.h
index 3f9317f..75aab24 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/Conversions.h
+++ b/audio/effect/all-versions/default/Conversions.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,10 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_CONVERSIONS_H_
+#define ANDROID_HARDWARE_AUDIO_EFFECT_CONVERSIONS_H_
+
+#include PATH(android/hardware/audio/effect/FILE_VERSION/types.h)
 
 #include <string>
 
@@ -24,18 +27,20 @@
 namespace hardware {
 namespace audio {
 namespace effect {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectDescriptor;
+using ::android::hardware::audio::effect::CPP_VERSION::EffectDescriptor;
 
 void effectDescriptorFromHal(const effect_descriptor_t& halDescriptor,
                              EffectDescriptor* descriptor);
 std::string uuidToString(const effect_uuid_t& halUuid);
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace effect
 }  // namespace audio
 }  // namespace hardware
 }  // namespace android
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_CONVERSIONS_H_
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/DownmixEffect.impl.h b/audio/effect/all-versions/default/DownmixEffect.cpp
similarity index 93%
rename from audio/effect/all-versions/default/include/effect/all-versions/default/DownmixEffect.impl.h
rename to audio/effect/all-versions/default/DownmixEffect.cpp
index abef10e..94da70e 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/DownmixEffect.impl.h
+++ b/audio/effect/all-versions/default/DownmixEffect.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,9 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#define LOG_TAG "Downmix_HAL"
+
+#include "DownmixEffect.h"
 
 #include <android/log.h>
 #include <system/audio_effects/effect_downmix.h>
@@ -25,14 +27,14 @@
 namespace hardware {
 namespace audio {
 namespace effect {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 DownmixEffect::DownmixEffect(effect_handle_t handle) : mEffect(new Effect(handle)) {}
 
 DownmixEffect::~DownmixEffect() {}
 
-// Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffect follow.
+// Methods from ::android::hardware::audio::effect::CPP_VERSION::IEffect follow.
 Return<Result> DownmixEffect::init() {
     return mEffect->init();
 }
@@ -159,7 +161,7 @@
     return mEffect->close();
 }
 
-// Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IDownmixEffect follow.
+// Methods from ::android::hardware::audio::effect::CPP_VERSION::IDownmixEffect follow.
 Return<Result> DownmixEffect::setType(IDownmixEffect::Type preset) {
     return mEffect->setParam(DOWNMIX_PARAM_TYPE, static_cast<downmix_type_t>(preset));
 }
@@ -172,7 +174,7 @@
 }
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace effect
 }  // namespace audio
 }  // namespace hardware
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/DownmixEffect.h b/audio/effect/all-versions/default/DownmixEffect.h
similarity index 86%
rename from audio/effect/all-versions/default/include/effect/all-versions/default/DownmixEffect.h
rename to audio/effect/all-versions/default/DownmixEffect.h
index dbbb64c..6d34c28 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/DownmixEffect.h
+++ b/audio/effect/all-versions/default/DownmixEffect.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,12 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_DOWNMIXEFFECT_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_DOWNMIXEFFECT_H
+
+#include PATH(android/hardware/audio/effect/FILE_VERSION/IDownmixEffect.h)
+
+#include "Effect.h"
 
 #include <hidl/Status.h>
 
@@ -26,7 +31,7 @@
 namespace hardware {
 namespace audio {
 namespace effect {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 using ::android::sp;
@@ -34,13 +39,13 @@
 using ::android::hardware::hidl_vec;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IDownmixEffect;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::Result;
+using ::android::hardware::audio::effect::CPP_VERSION::IDownmixEffect;
+using ::android::hardware::audio::effect::CPP_VERSION::Result;
 
 struct DownmixEffect : public IDownmixEffect {
     explicit DownmixEffect(effect_handle_t handle);
 
-    // Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffect follow.
+    // Methods from ::android::hardware::audio::effect::CPP_VERSION::IEffect follow.
     Return<Result> init() override;
     Return<Result> setConfig(
         const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
@@ -84,7 +89,7 @@
                                               const hidl_vec<uint8_t>& configData) override;
     Return<Result> close() override;
 
-    // Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IDownmixEffect follow.
+    // Methods from ::android::hardware::audio::effect::CPP_VERSION::IDownmixEffect follow.
     Return<Result> setType(IDownmixEffect::Type preset) override;
     Return<void> getType(getType_cb _hidl_cb) override;
 
@@ -95,8 +100,10 @@
 };
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace effect
 }  // namespace audio
 }  // namespace hardware
 }  // namespace android
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_DOWNMIXEFFECT_H
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/Effect.impl.h b/audio/effect/all-versions/default/Effect.cpp
similarity index 97%
rename from audio/effect/all-versions/default/include/effect/all-versions/default/Effect.impl.h
rename to audio/effect/all-versions/default/Effect.cpp
index 61c9805..3e5148f 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/Effect.impl.h
+++ b/audio/effect/all-versions/default/Effect.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,14 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#include <memory.h>
+
+#define LOG_TAG "EffectHAL"
+#define ATRACE_TAG ATRACE_TAG_AUDIO
+
+#include "Conversions.h"
+#include "Effect.h"
+#include "common/all-versions/default/EffectMap.h"
 
 #include <memory.h>
 
@@ -30,13 +37,13 @@
 namespace hardware {
 namespace audio {
 namespace effect {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioChannelMask;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioFormat;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::implementation::AudioChannelBitfield;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::MessageQueueFlagBits;
+using ::android::hardware::audio::common::CPP_VERSION::AudioChannelMask;
+using ::android::hardware::audio::common::CPP_VERSION::AudioFormat;
+using ::android::hardware::audio::common::CPP_VERSION::implementation::AudioChannelBitfield;
+using ::android::hardware::audio::effect::CPP_VERSION::MessageQueueFlagBits;
 
 namespace {
 
@@ -479,7 +486,7 @@
                                       &halParamBuffer[0]);
 }
 
-// Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffect follow.
+// Methods from ::android::hardware::audio::effect::CPP_VERSION::IEffect follow.
 Return<Result> Effect::init() {
     return sendCommandReturningStatus(EFFECT_CMD_INIT, "INIT");
 }
@@ -707,7 +714,7 @@
 }
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace effect
 }  // namespace audio
 }  // namespace hardware
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/Effect.h b/audio/effect/all-versions/default/Effect.h
similarity index 88%
rename from audio/effect/all-versions/default/include/effect/all-versions/default/Effect.h
rename to audio/effect/all-versions/default/Effect.h
index 0b62ccc..f6a12d9 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/Effect.h
+++ b/audio/effect/all-versions/default/Effect.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,12 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_EFFECT_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_EFFECT_H
+
+#include PATH(android/hardware/audio/effect/FILE_VERSION/IEffect.h)
+
+#include "AudioBufferManager.h"
 
 #include <atomic>
 #include <memory>
@@ -34,7 +39,7 @@
 namespace hardware {
 namespace audio {
 namespace effect {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 using ::android::sp;
@@ -42,20 +47,20 @@
 using ::android::hardware::hidl_vec;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioDevice;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioMode;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioSource;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::Uuid;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::implementation::AudioDeviceBitfield;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::AudioBuffer;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectAuxChannelsConfig;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectConfig;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectDescriptor;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectFeature;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectOffloadParameter;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffect;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffectBufferProviderCallback;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::Result;
+using ::android::hardware::audio::common::CPP_VERSION::AudioDevice;
+using ::android::hardware::audio::common::CPP_VERSION::AudioMode;
+using ::android::hardware::audio::common::CPP_VERSION::AudioSource;
+using ::android::hardware::audio::common::CPP_VERSION::Uuid;
+using ::android::hardware::audio::common::CPP_VERSION::implementation::AudioDeviceBitfield;
+using ::android::hardware::audio::effect::CPP_VERSION::AudioBuffer;
+using ::android::hardware::audio::effect::CPP_VERSION::EffectAuxChannelsConfig;
+using ::android::hardware::audio::effect::CPP_VERSION::EffectConfig;
+using ::android::hardware::audio::effect::CPP_VERSION::EffectDescriptor;
+using ::android::hardware::audio::effect::CPP_VERSION::EffectFeature;
+using ::android::hardware::audio::effect::CPP_VERSION::EffectOffloadParameter;
+using ::android::hardware::audio::effect::CPP_VERSION::IEffect;
+using ::android::hardware::audio::effect::CPP_VERSION::IEffectBufferProviderCallback;
+using ::android::hardware::audio::effect::CPP_VERSION::Result;
 
 struct Effect : public IEffect {
     typedef MessageQueue<Result, kSynchronizedReadWrite> StatusMQ;
@@ -64,7 +69,7 @@
 
     explicit Effect(effect_handle_t handle);
 
-    // Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffect follow.
+    // Methods from ::android::hardware::audio::effect::CPP_VERSION::IEffect follow.
     Return<Result> init() override;
     Return<Result> setConfig(
         const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
@@ -234,8 +239,10 @@
 };
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace effect
 }  // namespace audio
 }  // namespace hardware
 }  // namespace android
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_EFFECT_H
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/EffectsFactory.impl.h b/audio/effect/all-versions/default/EffectsFactory.cpp
similarity index 88%
rename from audio/effect/all-versions/default/include/effect/all-versions/default/EffectsFactory.impl.h
rename to audio/effect/all-versions/default/EffectsFactory.cpp
index f3256f1..d2d8a46 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/EffectsFactory.impl.h
+++ b/audio/effect/all-versions/default/EffectsFactory.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,25 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#define LOG_TAG "EffectFactoryHAL"
+#include "EffectsFactory.h"
+#include "AcousticEchoCancelerEffect.h"
+#include "AutomaticGainControlEffect.h"
+#include "BassBoostEffect.h"
+#include "Conversions.h"
+#include "DownmixEffect.h"
+#include "Effect.h"
+#include "EnvironmentalReverbEffect.h"
+#include "EqualizerEffect.h"
+#include "HidlUtils.h"
+#include "LoudnessEnhancerEffect.h"
+#include "NoiseSuppressionEffect.h"
+#include "PresetReverbEffect.h"
+#include "VirtualizerEffect.h"
+#include "VisualizerEffect.h"
+#include "common/all-versions/default/EffectMap.h"
+
+using ::android::hardware::audio::common::CPP_VERSION::HidlUtils;
 
 #include <android/log.h>
 #include <media/EffectsFactoryApi.h>
@@ -30,13 +48,13 @@
 #include <system/audio_effects/effect_virtualizer.h>
 #include <system/audio_effects/effect_visualizer.h>
 
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::HidlUtils;
+using ::android::hardware::audio::common::CPP_VERSION::HidlUtils;
 
 namespace android {
 namespace hardware {
 namespace audio {
 namespace effect {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 // static
@@ -69,7 +87,7 @@
     return new Effect(handle);
 }
 
-// Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffectsFactory follow.
+// Methods from ::android::hardware::audio::effect::CPP_VERSION::IEffectsFactory follow.
 Return<void> EffectsFactory::getAllDescriptors(getAllDescriptors_cb _hidl_cb) {
     Result retval(Result::OK);
     hidl_vec<EffectDescriptor> result;
@@ -189,7 +207,7 @@
 }
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace effect
 }  // namespace audio
 }  // namespace hardware
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/EffectsFactory.h b/audio/effect/all-versions/default/EffectsFactory.h
similarity index 66%
rename from audio/effect/all-versions/default/include/effect/all-versions/default/EffectsFactory.h
rename to audio/effect/all-versions/default/EffectsFactory.h
index dd37434..0cbfaa2 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/EffectsFactory.h
+++ b/audio/effect/all-versions/default/EffectsFactory.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,14 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_EFFECTSFACTORY_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_EFFECTSFACTORY_H
+
+#include <system/audio_effect.h>
+
+#include PATH(android/hardware/audio/effect/FILE_VERSION/IEffectsFactory.h)
+
+#include <hidl/MQDescriptor.h>
 
 #include <hardware/audio_effect.h>
 #include <system/audio_effect.h>
@@ -26,7 +33,7 @@
 namespace hardware {
 namespace audio {
 namespace effect {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 using ::android::sp;
@@ -34,20 +41,20 @@
 using ::android::hardware::hidl_vec;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::Uuid;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectDescriptor;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffect;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffectsFactory;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::Result;
+using ::android::hardware::audio::common::CPP_VERSION::Uuid;
+using ::android::hardware::audio::effect::CPP_VERSION::EffectDescriptor;
+using ::android::hardware::audio::effect::CPP_VERSION::IEffect;
+using ::android::hardware::audio::effect::CPP_VERSION::IEffectsFactory;
+using ::android::hardware::audio::effect::CPP_VERSION::Result;
 
 struct EffectsFactory : public IEffectsFactory {
-    // Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffectsFactory follow.
+    // Methods from ::android::hardware::audio::effect::CPP_VERSION::IEffectsFactory follow.
     Return<void> getAllDescriptors(getAllDescriptors_cb _hidl_cb) override;
     Return<void> getDescriptor(const Uuid& uid, getDescriptor_cb _hidl_cb) override;
     Return<void> createEffect(const Uuid& uid, int32_t session, int32_t ioHandle,
                               createEffect_cb _hidl_cb) override;
     Return<void> debugDump(
-        const hidl_handle& fd);  //< in V2_0::IEffectsFactory only, alias of debug
+        const hidl_handle& fd);  //< in CPP_VERSION::IEffectsFactory only, alias of debug
     Return<void> debug(const hidl_handle& fd, const hidl_vec<hidl_string>& options) override;
 
    private:
@@ -58,8 +65,10 @@
 extern "C" IEffectsFactory* HIDL_FETCH_IEffectsFactory(const char* name);
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace effect
 }  // namespace audio
 }  // namespace hardware
 }  // namespace android
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_EFFECTSFACTORY_H
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/EnvironmentalReverbEffect.impl.h b/audio/effect/all-versions/default/EnvironmentalReverbEffect.cpp
similarity index 96%
rename from audio/effect/all-versions/default/include/effect/all-versions/default/EnvironmentalReverbEffect.impl.h
rename to audio/effect/all-versions/default/EnvironmentalReverbEffect.cpp
index 39a4092..1ade7b8 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/EnvironmentalReverbEffect.impl.h
+++ b/audio/effect/all-versions/default/EnvironmentalReverbEffect.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,10 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#define LOG_TAG "EnvReverb_HAL"
+#include <android/log.h>
+
+#include "EnvironmentalReverbEffect.h"
 
 #include <android/log.h>
 
@@ -24,7 +27,7 @@
 namespace hardware {
 namespace audio {
 namespace effect {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 EnvironmentalReverbEffect::EnvironmentalReverbEffect(effect_handle_t handle)
@@ -60,7 +63,7 @@
     halProperties->density = properties.density;
 }
 
-// Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffect follow.
+// Methods from ::android::hardware::audio::effect::CPP_VERSION::IEffect follow.
 Return<Result> EnvironmentalReverbEffect::init() {
     return mEffect->init();
 }
@@ -190,7 +193,7 @@
     return mEffect->close();
 }
 
-// Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEnvironmentalReverbEffect
+// Methods from ::android::hardware::audio::effect::CPP_VERSION::IEnvironmentalReverbEffect
 // follow.
 Return<Result> EnvironmentalReverbEffect::setBypass(bool bypass) {
     return mEffect->setParam(REVERB_PARAM_BYPASS, bypass);
@@ -297,7 +300,7 @@
 }
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace effect
 }  // namespace audio
 }  // namespace hardware
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/EnvironmentalReverbEffect.h b/audio/effect/all-versions/default/EnvironmentalReverbEffect.h
similarity index 80%
rename from audio/effect/all-versions/default/include/effect/all-versions/default/EnvironmentalReverbEffect.h
rename to audio/effect/all-versions/default/EnvironmentalReverbEffect.h
index 2215cf8..7e6597b 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/EnvironmentalReverbEffect.h
+++ b/audio/effect/all-versions/default/EnvironmentalReverbEffect.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,14 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_ENVIRONMENTALREVERBEFFECT_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_ENVIRONMENTALREVERBEFFECT_H
+
+#include <system/audio_effects/effect_environmentalreverb.h>
+
+#include PATH(android/hardware/audio/effect/FILE_VERSION/IEnvironmentalReverbEffect.h)
+
+#include "Effect.h"
 
 #include <system/audio_effects/effect_environmentalreverb.h>
 
@@ -28,7 +35,7 @@
 namespace hardware {
 namespace audio {
 namespace effect {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 using ::android::sp;
@@ -36,23 +43,23 @@
 using ::android::hardware::hidl_vec;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioDevice;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioMode;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioSource;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::AudioBuffer;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectAuxChannelsConfig;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectConfig;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectDescriptor;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectOffloadParameter;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffect;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffectBufferProviderCallback;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEnvironmentalReverbEffect;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::Result;
+using ::android::hardware::audio::common::CPP_VERSION::AudioDevice;
+using ::android::hardware::audio::common::CPP_VERSION::AudioMode;
+using ::android::hardware::audio::common::CPP_VERSION::AudioSource;
+using ::android::hardware::audio::effect::CPP_VERSION::AudioBuffer;
+using ::android::hardware::audio::effect::CPP_VERSION::EffectAuxChannelsConfig;
+using ::android::hardware::audio::effect::CPP_VERSION::EffectConfig;
+using ::android::hardware::audio::effect::CPP_VERSION::EffectDescriptor;
+using ::android::hardware::audio::effect::CPP_VERSION::EffectOffloadParameter;
+using ::android::hardware::audio::effect::CPP_VERSION::IEffect;
+using ::android::hardware::audio::effect::CPP_VERSION::IEffectBufferProviderCallback;
+using ::android::hardware::audio::effect::CPP_VERSION::IEnvironmentalReverbEffect;
+using ::android::hardware::audio::effect::CPP_VERSION::Result;
 
 struct EnvironmentalReverbEffect : public IEnvironmentalReverbEffect {
     explicit EnvironmentalReverbEffect(effect_handle_t handle);
 
-    // Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffect follow.
+    // Methods from ::android::hardware::audio::effect::CPP_VERSION::IEffect follow.
     Return<Result> init() override;
     Return<Result> setConfig(
         const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
@@ -97,7 +104,7 @@
     Return<Result> close() override;
 
     // Methods from
-    // ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEnvironmentalReverbEffect follow.
+    // ::android::hardware::audio::effect::CPP_VERSION::IEnvironmentalReverbEffect follow.
     Return<Result> setBypass(bool bypass) override;
     Return<void> getBypass(getBypass_cb _hidl_cb) override;
     Return<Result> setRoomLevel(int16_t roomLevel) override;
@@ -136,8 +143,10 @@
 };
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace effect
 }  // namespace audio
 }  // namespace hardware
 }  // namespace android
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_ENVIRONMENTALREVERBEFFECT_H
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/EqualizerEffect.impl.h b/audio/effect/all-versions/default/EqualizerEffect.cpp
similarity index 96%
rename from audio/effect/all-versions/default/include/effect/all-versions/default/EqualizerEffect.impl.h
rename to audio/effect/all-versions/default/EqualizerEffect.cpp
index db6bed8..f6177b7 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/EqualizerEffect.impl.h
+++ b/audio/effect/all-versions/default/EqualizerEffect.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,9 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#define LOG_TAG "Equalizer_HAL"
+
+#include "EqualizerEffect.h"
 
 #include <memory.h>
 
@@ -26,7 +28,7 @@
 namespace hardware {
 namespace audio {
 namespace effect {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 EqualizerEffect::EqualizerEffect(effect_handle_t handle) : mEffect(new Effect(handle)) {}
@@ -55,7 +57,7 @@
     return halBuffer;
 }
 
-// Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffect follow.
+// Methods from ::android::hardware::audio::effect::CPP_VERSION::IEffect follow.
 Return<Result> EqualizerEffect::init() {
     return mEffect->init();
 }
@@ -182,7 +184,7 @@
     return mEffect->close();
 }
 
-// Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEqualizerEffect follow.
+// Methods from ::android::hardware::audio::effect::CPP_VERSION::IEqualizerEffect follow.
 Return<void> EqualizerEffect::getNumBands(getNumBands_cb _hidl_cb) {
     return mEffect->getIntegerParam(EQ_PARAM_NUM_BANDS, _hidl_cb);
 }
@@ -285,7 +287,7 @@
 }
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace effect
 }  // namespace audio
 }  // namespace hardware
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/EqualizerEffect.h b/audio/effect/all-versions/default/EqualizerEffect.h
similarity index 79%
rename from audio/effect/all-versions/default/include/effect/all-versions/default/EqualizerEffect.h
rename to audio/effect/all-versions/default/EqualizerEffect.h
index e150465..5e1e2b9 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/EqualizerEffect.h
+++ b/audio/effect/all-versions/default/EqualizerEffect.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,12 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_EQUALIZEREFFECT_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_EQUALIZEREFFECT_H
+
+#include PATH(android/hardware/audio/effect/FILE_VERSION/IEqualizerEffect.h)
+
+#include "Effect.h"
 
 #include <vector>
 
@@ -30,7 +35,7 @@
 namespace hardware {
 namespace audio {
 namespace effect {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 using ::android::sp;
@@ -38,23 +43,23 @@
 using ::android::hardware::hidl_vec;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioDevice;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioMode;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioSource;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::AudioBuffer;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectAuxChannelsConfig;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectConfig;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectDescriptor;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectOffloadParameter;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffect;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffectBufferProviderCallback;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEqualizerEffect;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::Result;
+using ::android::hardware::audio::common::CPP_VERSION::AudioDevice;
+using ::android::hardware::audio::common::CPP_VERSION::AudioMode;
+using ::android::hardware::audio::common::CPP_VERSION::AudioSource;
+using ::android::hardware::audio::effect::CPP_VERSION::AudioBuffer;
+using ::android::hardware::audio::effect::CPP_VERSION::EffectAuxChannelsConfig;
+using ::android::hardware::audio::effect::CPP_VERSION::EffectConfig;
+using ::android::hardware::audio::effect::CPP_VERSION::EffectDescriptor;
+using ::android::hardware::audio::effect::CPP_VERSION::EffectOffloadParameter;
+using ::android::hardware::audio::effect::CPP_VERSION::IEffect;
+using ::android::hardware::audio::effect::CPP_VERSION::IEffectBufferProviderCallback;
+using ::android::hardware::audio::effect::CPP_VERSION::IEqualizerEffect;
+using ::android::hardware::audio::effect::CPP_VERSION::Result;
 
 struct EqualizerEffect : public IEqualizerEffect {
     explicit EqualizerEffect(effect_handle_t handle);
 
-    // Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffect follow.
+    // Methods from ::android::hardware::audio::effect::CPP_VERSION::IEffect follow.
     Return<Result> init() override;
     Return<Result> setConfig(
         const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
@@ -98,7 +103,7 @@
                                               const hidl_vec<uint8_t>& configData) override;
     Return<Result> close() override;
 
-    // Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEqualizerEffect follow.
+    // Methods from ::android::hardware::audio::effect::CPP_VERSION::IEqualizerEffect follow.
     Return<void> getNumBands(getNumBands_cb _hidl_cb) override;
     Return<void> getLevelRange(getLevelRange_cb _hidl_cb) override;
     Return<Result> setBandLevel(uint16_t band, int16_t level) override;
@@ -124,8 +129,10 @@
 };
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace effect
 }  // namespace audio
 }  // namespace hardware
 }  // namespace android
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_EQUALIZEREFFECT_H
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/LoudnessEnhancerEffect.impl.h b/audio/effect/all-versions/default/LoudnessEnhancerEffect.cpp
similarity index 94%
rename from audio/effect/all-versions/default/include/effect/all-versions/default/LoudnessEnhancerEffect.impl.h
rename to audio/effect/all-versions/default/LoudnessEnhancerEffect.cpp
index 88210e9..6918bdf 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/LoudnessEnhancerEffect.impl.h
+++ b/audio/effect/all-versions/default/LoudnessEnhancerEffect.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,9 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#define LOG_TAG "LoudnessEnhancer_HAL"
+
+#include "LoudnessEnhancerEffect.h"
 
 #include <system/audio_effects/effect_loudnessenhancer.h>
 
@@ -27,7 +29,7 @@
 namespace hardware {
 namespace audio {
 namespace effect {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 LoudnessEnhancerEffect::LoudnessEnhancerEffect(effect_handle_t handle)
@@ -35,7 +37,7 @@
 
 LoudnessEnhancerEffect::~LoudnessEnhancerEffect() {}
 
-// Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffect follow.
+// Methods from ::android::hardware::audio::effect::CPP_VERSION::IEffect follow.
 Return<Result> LoudnessEnhancerEffect::init() {
     return mEffect->init();
 }
@@ -162,7 +164,7 @@
     return mEffect->close();
 }
 
-// Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::ILoudnessEnhancerEffect
+// Methods from ::android::hardware::audio::effect::CPP_VERSION::ILoudnessEnhancerEffect
 // follow.
 Return<Result> LoudnessEnhancerEffect::setTargetGain(int32_t targetGainMb) {
     return mEffect->setParam(LOUDNESS_ENHANCER_DEFAULT_TARGET_GAIN_MB, targetGainMb);
@@ -182,7 +184,7 @@
 }
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace effect
 }  // namespace audio
 }  // namespace hardware
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/LoudnessEnhancerEffect.h b/audio/effect/all-versions/default/LoudnessEnhancerEffect.h
similarity index 75%
rename from audio/effect/all-versions/default/include/effect/all-versions/default/LoudnessEnhancerEffect.h
rename to audio/effect/all-versions/default/LoudnessEnhancerEffect.h
index 182e791..6eb8a8c 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/LoudnessEnhancerEffect.h
+++ b/audio/effect/all-versions/default/LoudnessEnhancerEffect.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,12 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_LOUDNESSENHANCEREFFECT_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_LOUDNESSENHANCEREFFECT_H
+
+#include PATH(android/hardware/audio/effect/FILE_VERSION/ILoudnessEnhancerEffect.h)
+
+#include "Effect.h"
 
 #include <hidl/Status.h>
 
@@ -26,7 +31,7 @@
 namespace hardware {
 namespace audio {
 namespace effect {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 using ::android::sp;
@@ -34,23 +39,23 @@
 using ::android::hardware::hidl_vec;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioDevice;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioMode;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioSource;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::AudioBuffer;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectAuxChannelsConfig;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectConfig;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectDescriptor;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectOffloadParameter;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffect;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffectBufferProviderCallback;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::ILoudnessEnhancerEffect;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::Result;
+using ::android::hardware::audio::common::CPP_VERSION::AudioDevice;
+using ::android::hardware::audio::common::CPP_VERSION::AudioMode;
+using ::android::hardware::audio::common::CPP_VERSION::AudioSource;
+using ::android::hardware::audio::effect::CPP_VERSION::AudioBuffer;
+using ::android::hardware::audio::effect::CPP_VERSION::EffectAuxChannelsConfig;
+using ::android::hardware::audio::effect::CPP_VERSION::EffectConfig;
+using ::android::hardware::audio::effect::CPP_VERSION::EffectDescriptor;
+using ::android::hardware::audio::effect::CPP_VERSION::EffectOffloadParameter;
+using ::android::hardware::audio::effect::CPP_VERSION::IEffect;
+using ::android::hardware::audio::effect::CPP_VERSION::IEffectBufferProviderCallback;
+using ::android::hardware::audio::effect::CPP_VERSION::ILoudnessEnhancerEffect;
+using ::android::hardware::audio::effect::CPP_VERSION::Result;
 
 struct LoudnessEnhancerEffect : public ILoudnessEnhancerEffect {
     explicit LoudnessEnhancerEffect(effect_handle_t handle);
 
-    // Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffect follow.
+    // Methods from ::android::hardware::audio::effect::CPP_VERSION::IEffect follow.
     Return<Result> init() override;
     Return<Result> setConfig(
         const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
@@ -94,7 +99,7 @@
                                               const hidl_vec<uint8_t>& configData) override;
     Return<Result> close() override;
 
-    // Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::ILoudnessEnhancerEffect
+    // Methods from ::android::hardware::audio::effect::CPP_VERSION::ILoudnessEnhancerEffect
     // follow.
     Return<Result> setTargetGain(int32_t targetGainMb) override;
     Return<void> getTargetGain(getTargetGain_cb _hidl_cb) override;
@@ -106,8 +111,10 @@
 };
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace effect
 }  // namespace audio
 }  // namespace hardware
 }  // namespace android
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_LOUDNESSENHANCEREFFECT_H
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/NoiseSuppressionEffect.impl.h b/audio/effect/all-versions/default/NoiseSuppressionEffect.cpp
similarity index 95%
rename from audio/effect/all-versions/default/include/effect/all-versions/default/NoiseSuppressionEffect.impl.h
rename to audio/effect/all-versions/default/NoiseSuppressionEffect.cpp
index f32399c..4756719 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/NoiseSuppressionEffect.impl.h
+++ b/audio/effect/all-versions/default/NoiseSuppressionEffect.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,9 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#define LOG_TAG "NS_Effect_HAL"
+
+#include "NoiseSuppressionEffect.h"
 
 #include <android/log.h>
 
@@ -24,7 +26,7 @@
 namespace hardware {
 namespace audio {
 namespace effect {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 NoiseSuppressionEffect::NoiseSuppressionEffect(effect_handle_t handle)
@@ -44,7 +46,7 @@
     halProperties->type = static_cast<uint32_t>(properties.type);
 }
 
-// Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffect follow.
+// Methods from ::android::hardware::audio::effect::CPP_VERSION::IEffect follow.
 Return<Result> NoiseSuppressionEffect::init() {
     return mEffect->init();
 }
@@ -171,7 +173,7 @@
     return mEffect->close();
 }
 
-// Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::INoiseSuppressionEffect
+// Methods from ::android::hardware::audio::effect::CPP_VERSION::INoiseSuppressionEffect
 // follow.
 Return<Result> NoiseSuppressionEffect::setSuppressionLevel(INoiseSuppressionEffect::Level level) {
     return mEffect->setParam(NS_PARAM_LEVEL, static_cast<int32_t>(level));
@@ -212,7 +214,7 @@
 }
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace effect
 }  // namespace audio
 }  // namespace hardware
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/NoiseSuppressionEffect.h b/audio/effect/all-versions/default/NoiseSuppressionEffect.h
similarity index 77%
rename from audio/effect/all-versions/default/include/effect/all-versions/default/NoiseSuppressionEffect.h
rename to audio/effect/all-versions/default/NoiseSuppressionEffect.h
index c70d768..af62dd1 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/NoiseSuppressionEffect.h
+++ b/audio/effect/all-versions/default/NoiseSuppressionEffect.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,12 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_NOISESUPPRESSIONEFFECT_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_NOISESUPPRESSIONEFFECT_H
+
+#include PATH(android/hardware/audio/effect/FILE_VERSION/INoiseSuppressionEffect.h)
+
+#include "Effect.h"
 
 #include <system/audio_effects/effect_ns.h>
 
@@ -28,7 +33,7 @@
 namespace hardware {
 namespace audio {
 namespace effect {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 using ::android::sp;
@@ -36,23 +41,23 @@
 using ::android::hardware::hidl_vec;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioDevice;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioMode;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioSource;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::AudioBuffer;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectAuxChannelsConfig;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectConfig;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectDescriptor;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectOffloadParameter;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffect;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffectBufferProviderCallback;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::INoiseSuppressionEffect;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::Result;
+using ::android::hardware::audio::common::CPP_VERSION::AudioDevice;
+using ::android::hardware::audio::common::CPP_VERSION::AudioMode;
+using ::android::hardware::audio::common::CPP_VERSION::AudioSource;
+using ::android::hardware::audio::effect::CPP_VERSION::AudioBuffer;
+using ::android::hardware::audio::effect::CPP_VERSION::EffectAuxChannelsConfig;
+using ::android::hardware::audio::effect::CPP_VERSION::EffectConfig;
+using ::android::hardware::audio::effect::CPP_VERSION::EffectDescriptor;
+using ::android::hardware::audio::effect::CPP_VERSION::EffectOffloadParameter;
+using ::android::hardware::audio::effect::CPP_VERSION::IEffect;
+using ::android::hardware::audio::effect::CPP_VERSION::IEffectBufferProviderCallback;
+using ::android::hardware::audio::effect::CPP_VERSION::INoiseSuppressionEffect;
+using ::android::hardware::audio::effect::CPP_VERSION::Result;
 
 struct NoiseSuppressionEffect : public INoiseSuppressionEffect {
     explicit NoiseSuppressionEffect(effect_handle_t handle);
 
-    // Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffect follow.
+    // Methods from ::android::hardware::audio::effect::CPP_VERSION::IEffect follow.
     Return<Result> init() override;
     Return<Result> setConfig(
         const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
@@ -96,7 +101,7 @@
                                               const hidl_vec<uint8_t>& configData) override;
     Return<Result> close() override;
 
-    // Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::INoiseSuppressionEffect
+    // Methods from ::android::hardware::audio::effect::CPP_VERSION::INoiseSuppressionEffect
     // follow.
     Return<Result> setSuppressionLevel(INoiseSuppressionEffect::Level level) override;
     Return<void> getSuppressionLevel(getSuppressionLevel_cb _hidl_cb) override;
@@ -118,8 +123,10 @@
 };
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace effect
 }  // namespace audio
 }  // namespace hardware
 }  // namespace android
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_NOISESUPPRESSIONEFFECT_H
diff --git a/audio/effect/all-versions/OWNERS b/audio/effect/all-versions/default/OWNERS
similarity index 100%
rename from audio/effect/all-versions/OWNERS
rename to audio/effect/all-versions/default/OWNERS
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/PresetReverbEffect.impl.h b/audio/effect/all-versions/default/PresetReverbEffect.cpp
similarity index 93%
rename from audio/effect/all-versions/default/include/effect/all-versions/default/PresetReverbEffect.impl.h
rename to audio/effect/all-versions/default/PresetReverbEffect.cpp
index eab68fb..97723f5 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/PresetReverbEffect.impl.h
+++ b/audio/effect/all-versions/default/PresetReverbEffect.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,9 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#define LOG_TAG "PresetReverb_HAL"
+
+#include "PresetReverbEffect.h"
 
 #include <android/log.h>
 #include <system/audio_effects/effect_presetreverb.h>
@@ -25,14 +27,14 @@
 namespace hardware {
 namespace audio {
 namespace effect {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 PresetReverbEffect::PresetReverbEffect(effect_handle_t handle) : mEffect(new Effect(handle)) {}
 
 PresetReverbEffect::~PresetReverbEffect() {}
 
-// Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffect follow.
+// Methods from ::android::hardware::audio::effect::CPP_VERSION::IEffect follow.
 Return<Result> PresetReverbEffect::init() {
     return mEffect->init();
 }
@@ -159,7 +161,7 @@
     return mEffect->close();
 }
 
-// Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IPresetReverbEffect follow.
+// Methods from ::android::hardware::audio::effect::CPP_VERSION::IPresetReverbEffect follow.
 Return<Result> PresetReverbEffect::setPreset(IPresetReverbEffect::Preset preset) {
     return mEffect->setParam(REVERB_PARAM_PRESET, static_cast<t_reverb_presets>(preset));
 }
@@ -172,7 +174,7 @@
 }
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace effect
 }  // namespace audio
 }  // namespace hardware
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/PresetReverbEffect.h b/audio/effect/all-versions/default/PresetReverbEffect.h
similarity index 75%
rename from audio/effect/all-versions/default/include/effect/all-versions/default/PresetReverbEffect.h
rename to audio/effect/all-versions/default/PresetReverbEffect.h
index e5d77f0..aa864b0 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/PresetReverbEffect.h
+++ b/audio/effect/all-versions/default/PresetReverbEffect.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,12 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_PRESETREVERBEFFECT_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_PRESETREVERBEFFECT_H
+
+#include PATH(android/hardware/audio/effect/FILE_VERSION/IPresetReverbEffect.h)
+
+#include "Effect.h"
 
 #include <hidl/Status.h>
 
@@ -26,7 +31,7 @@
 namespace hardware {
 namespace audio {
 namespace effect {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 using ::android::sp;
@@ -34,23 +39,23 @@
 using ::android::hardware::hidl_vec;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioDevice;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioMode;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioSource;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::AudioBuffer;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectAuxChannelsConfig;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectConfig;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectDescriptor;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectOffloadParameter;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffect;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffectBufferProviderCallback;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IPresetReverbEffect;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::Result;
+using ::android::hardware::audio::common::CPP_VERSION::AudioDevice;
+using ::android::hardware::audio::common::CPP_VERSION::AudioMode;
+using ::android::hardware::audio::common::CPP_VERSION::AudioSource;
+using ::android::hardware::audio::effect::CPP_VERSION::AudioBuffer;
+using ::android::hardware::audio::effect::CPP_VERSION::EffectAuxChannelsConfig;
+using ::android::hardware::audio::effect::CPP_VERSION::EffectConfig;
+using ::android::hardware::audio::effect::CPP_VERSION::EffectDescriptor;
+using ::android::hardware::audio::effect::CPP_VERSION::EffectOffloadParameter;
+using ::android::hardware::audio::effect::CPP_VERSION::IEffect;
+using ::android::hardware::audio::effect::CPP_VERSION::IEffectBufferProviderCallback;
+using ::android::hardware::audio::effect::CPP_VERSION::IPresetReverbEffect;
+using ::android::hardware::audio::effect::CPP_VERSION::Result;
 
 struct PresetReverbEffect : public IPresetReverbEffect {
     explicit PresetReverbEffect(effect_handle_t handle);
 
-    // Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffect follow.
+    // Methods from ::android::hardware::audio::effect::CPP_VERSION::IEffect follow.
     Return<Result> init() override;
     Return<Result> setConfig(
         const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
@@ -94,7 +99,7 @@
                                               const hidl_vec<uint8_t>& configData) override;
     Return<Result> close() override;
 
-    // Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IPresetReverbEffect
+    // Methods from ::android::hardware::audio::effect::CPP_VERSION::IPresetReverbEffect
     // follow.
     Return<Result> setPreset(IPresetReverbEffect::Preset preset) override;
     Return<void> getPreset(getPreset_cb _hidl_cb) override;
@@ -106,8 +111,10 @@
 };
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace effect
 }  // namespace audio
 }  // namespace hardware
 }  // namespace android
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_PRESETREVERBEFFECT_H
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/VirtualizerEffect.impl.h b/audio/effect/all-versions/default/VirtualizerEffect.cpp
similarity index 95%
rename from audio/effect/all-versions/default/include/effect/all-versions/default/VirtualizerEffect.impl.h
rename to audio/effect/all-versions/default/VirtualizerEffect.cpp
index 23b09a89..4d597c7 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/VirtualizerEffect.impl.h
+++ b/audio/effect/all-versions/default/VirtualizerEffect.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,9 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#define LOG_TAG "Virtualizer_HAL"
+
+#include "VirtualizerEffect.h"
 
 #include <memory.h>
 
@@ -27,7 +29,7 @@
 namespace hardware {
 namespace audio {
 namespace effect {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 VirtualizerEffect::VirtualizerEffect(effect_handle_t handle) : mEffect(new Effect(handle)) {}
@@ -44,7 +46,7 @@
     }
 }
 
-// Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffect follow.
+// Methods from ::android::hardware::audio::effect::CPP_VERSION::IEffect follow.
 Return<Result> VirtualizerEffect::init() {
     return mEffect->init();
 }
@@ -171,7 +173,7 @@
     return mEffect->close();
 }
 
-// Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IVirtualizerEffect follow.
+// Methods from ::android::hardware::audio::effect::CPP_VERSION::IVirtualizerEffect follow.
 Return<bool> VirtualizerEffect::isStrengthSupported() {
     bool halSupported = false;
     mEffect->getParam(VIRTUALIZER_PARAM_STRENGTH_SUPPORTED, halSupported);
@@ -224,7 +226,7 @@
 }
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace effect
 }  // namespace audio
 }  // namespace hardware
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/VirtualizerEffect.h b/audio/effect/all-versions/default/VirtualizerEffect.h
similarity index 75%
rename from audio/effect/all-versions/default/include/effect/all-versions/default/VirtualizerEffect.h
rename to audio/effect/all-versions/default/VirtualizerEffect.h
index 544db1e..87b53d6 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/VirtualizerEffect.h
+++ b/audio/effect/all-versions/default/VirtualizerEffect.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,12 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_VIRTUALIZEREFFECT_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_VIRTUALIZEREFFECT_H
+
+#include PATH(android/hardware/audio/effect/FILE_VERSION/IVirtualizerEffect.h)
+
+#include "Effect.h"
 
 #include <hidl/Status.h>
 
@@ -26,7 +31,7 @@
 namespace hardware {
 namespace audio {
 namespace effect {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 using ::android::sp;
@@ -34,25 +39,25 @@
 using ::android::hardware::hidl_vec;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioChannelMask;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioDevice;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioMode;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioSource;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::implementation::AudioChannelBitfield;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::AudioBuffer;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectAuxChannelsConfig;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectConfig;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectDescriptor;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectOffloadParameter;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffect;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffectBufferProviderCallback;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IVirtualizerEffect;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::Result;
+using ::android::hardware::audio::common::CPP_VERSION::AudioChannelMask;
+using ::android::hardware::audio::common::CPP_VERSION::AudioDevice;
+using ::android::hardware::audio::common::CPP_VERSION::AudioMode;
+using ::android::hardware::audio::common::CPP_VERSION::AudioSource;
+using ::android::hardware::audio::common::CPP_VERSION::implementation::AudioChannelBitfield;
+using ::android::hardware::audio::effect::CPP_VERSION::AudioBuffer;
+using ::android::hardware::audio::effect::CPP_VERSION::EffectAuxChannelsConfig;
+using ::android::hardware::audio::effect::CPP_VERSION::EffectConfig;
+using ::android::hardware::audio::effect::CPP_VERSION::EffectDescriptor;
+using ::android::hardware::audio::effect::CPP_VERSION::EffectOffloadParameter;
+using ::android::hardware::audio::effect::CPP_VERSION::IEffect;
+using ::android::hardware::audio::effect::CPP_VERSION::IEffectBufferProviderCallback;
+using ::android::hardware::audio::effect::CPP_VERSION::IVirtualizerEffect;
+using ::android::hardware::audio::effect::CPP_VERSION::Result;
 
 struct VirtualizerEffect : public IVirtualizerEffect {
     explicit VirtualizerEffect(effect_handle_t handle);
 
-    // Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffect follow.
+    // Methods from ::android::hardware::audio::effect::CPP_VERSION::IEffect follow.
     Return<Result> init() override;
     Return<Result> setConfig(
         const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
@@ -96,7 +101,7 @@
                                               const hidl_vec<uint8_t>& configData) override;
     Return<Result> close() override;
 
-    // Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IVirtualizerEffect
+    // Methods from ::android::hardware::audio::effect::CPP_VERSION::IVirtualizerEffect
     // follow.
     Return<bool> isStrengthSupported() override;
     Return<Result> setStrength(uint16_t strength) override;
@@ -116,8 +121,10 @@
 };
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace effect
 }  // namespace audio
 }  // namespace hardware
 }  // namespace android
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_VIRTUALIZEREFFECT_H
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/VisualizerEffect.impl.h b/audio/effect/all-versions/default/VisualizerEffect.cpp
similarity index 95%
rename from audio/effect/all-versions/default/include/effect/all-versions/default/VisualizerEffect.impl.h
rename to audio/effect/all-versions/default/VisualizerEffect.cpp
index 9f2195b..77bf46b 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/VisualizerEffect.impl.h
+++ b/audio/effect/all-versions/default/VisualizerEffect.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,9 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#define LOG_TAG "Visualizer_HAL"
+
+#include "VisualizerEffect.h"
 
 #include <android/log.h>
 #include <system/audio_effects/effect_visualizer.h>
@@ -25,7 +27,7 @@
 namespace hardware {
 namespace audio {
 namespace effect {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 VisualizerEffect::VisualizerEffect(effect_handle_t handle)
@@ -33,7 +35,7 @@
 
 VisualizerEffect::~VisualizerEffect() {}
 
-// Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffect follow.
+// Methods from ::android::hardware::audio::effect::CPP_VERSION::IEffect follow.
 Return<Result> VisualizerEffect::init() {
     return mEffect->init();
 }
@@ -160,7 +162,7 @@
     return mEffect->close();
 }
 
-// Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IVisualizerEffect follow.
+// Methods from ::android::hardware::audio::effect::CPP_VERSION::IVisualizerEffect follow.
 Return<Result> VisualizerEffect::setCaptureSize(uint16_t captureSize) {
     Result retval = mEffect->setParam(VISUALIZER_PARAM_CAPTURE_SIZE, captureSize);
     if (retval == Result::OK) {
@@ -247,7 +249,7 @@
 }
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace effect
 }  // namespace audio
 }  // namespace hardware
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/VisualizerEffect.h b/audio/effect/all-versions/default/VisualizerEffect.h
similarity index 77%
rename from audio/effect/all-versions/default/include/effect/all-versions/default/VisualizerEffect.h
rename to audio/effect/all-versions/default/VisualizerEffect.h
index e207fc0..0a13a2b 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/VisualizerEffect.h
+++ b/audio/effect/all-versions/default/VisualizerEffect.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,12 @@
  * limitations under the License.
  */
 
-#include <common/all-versions/IncludeGuard.h>
+#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_VISUALIZEREFFECT_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_VISUALIZEREFFECT_H
+
+#include PATH(android/hardware/audio/effect/FILE_VERSION/IVisualizerEffect.h)
+
+#include "Effect.h"
 
 #include <hidl/Status.h>
 
@@ -26,7 +31,7 @@
 namespace hardware {
 namespace audio {
 namespace effect {
-namespace AUDIO_HAL_VERSION {
+namespace CPP_VERSION {
 namespace implementation {
 
 using ::android::sp;
@@ -34,23 +39,23 @@
 using ::android::hardware::hidl_vec;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioDevice;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioMode;
-using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioSource;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::AudioBuffer;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectAuxChannelsConfig;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectConfig;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectDescriptor;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectOffloadParameter;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffect;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffectBufferProviderCallback;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IVisualizerEffect;
-using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::Result;
+using ::android::hardware::audio::common::CPP_VERSION::AudioDevice;
+using ::android::hardware::audio::common::CPP_VERSION::AudioMode;
+using ::android::hardware::audio::common::CPP_VERSION::AudioSource;
+using ::android::hardware::audio::effect::CPP_VERSION::AudioBuffer;
+using ::android::hardware::audio::effect::CPP_VERSION::EffectAuxChannelsConfig;
+using ::android::hardware::audio::effect::CPP_VERSION::EffectConfig;
+using ::android::hardware::audio::effect::CPP_VERSION::EffectDescriptor;
+using ::android::hardware::audio::effect::CPP_VERSION::EffectOffloadParameter;
+using ::android::hardware::audio::effect::CPP_VERSION::IEffect;
+using ::android::hardware::audio::effect::CPP_VERSION::IEffectBufferProviderCallback;
+using ::android::hardware::audio::effect::CPP_VERSION::IVisualizerEffect;
+using ::android::hardware::audio::effect::CPP_VERSION::Result;
 
 struct VisualizerEffect : public IVisualizerEffect {
     explicit VisualizerEffect(effect_handle_t handle);
 
-    // Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IEffect follow.
+    // Methods from ::android::hardware::audio::effect::CPP_VERSION::IEffect follow.
     Return<Result> init() override;
     Return<Result> setConfig(
         const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
@@ -94,7 +99,7 @@
                                               const hidl_vec<uint8_t>& configData) override;
     Return<Result> close() override;
 
-    // Methods from ::android::hardware::audio::effect::AUDIO_HAL_VERSION::IVisualizerEffect follow.
+    // Methods from ::android::hardware::audio::effect::CPP_VERSION::IVisualizerEffect follow.
     Return<Result> setCaptureSize(uint16_t captureSize) override;
     Return<void> getCaptureSize(getCaptureSize_cb _hidl_cb) override;
     Return<Result> setScalingMode(IVisualizerEffect::ScalingMode scalingMode) override;
@@ -115,8 +120,10 @@
 };
 
 }  // namespace implementation
-}  // namespace AUDIO_HAL_VERSION
+}  // namespace CPP_VERSION
 }  // namespace effect
 }  // namespace audio
 }  // namespace hardware
 }  // namespace android
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_VISUALIZEREFFECT_H
diff --git a/audio/core/2.0/vts/OWNERS b/audio/effect/all-versions/vts/OWNERS
similarity index 98%
copy from audio/core/2.0/vts/OWNERS
copy to audio/effect/all-versions/vts/OWNERS
index 8711a9f..0ea4666 100644
--- a/audio/core/2.0/vts/OWNERS
+++ b/audio/effect/all-versions/vts/OWNERS
@@ -2,4 +2,4 @@
 krocard@google.com
 mnaganov@google.com
 yim@google.com
-zhuoyao@google.com
\ No newline at end of file
+zhuoyao@google.com
diff --git a/audio/effect/all-versions/vts/functional/Android.bp b/audio/effect/all-versions/vts/functional/Android.bp
new file mode 100644
index 0000000..a379d29
--- /dev/null
+++ b/audio/effect/all-versions/vts/functional/Android.bp
@@ -0,0 +1,73 @@
+//
+// Copyright (C) 2016 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+cc_test {
+    name: "VtsHalAudioEffectV2_0TargetTest",
+    defaults: ["VtsHalTargetTestDefaults"],
+    srcs: [
+        "VtsHalAudioEffectTargetTest.cpp",
+        "ValidateAudioEffectsConfiguration.cpp"
+    ],
+    static_libs: [
+        "android.hardware.audio.common.test.utility",
+        "android.hardware.audio.common@2.0",
+        "android.hardware.audio.effect@2.0",
+        "android.hidl.allocator@1.0",
+        "android.hidl.memory@1.0",
+        "libeffectsconfig",
+        "libicuuc",
+        "libicuuc_stubdata",
+        "libxml2",
+    ],
+    header_libs: [
+        "android.hardware.audio.common.util@all-versions",
+    ],
+    test_suites: ["general-tests"],
+    cflags: [
+        "-DMAJOR_VERSION=2",
+        "-DMINOR_VERSION=0",
+        "-include common/all-versions/VersionMacro.h",
+    ]
+}
+
+cc_test {
+    name: "VtsHalAudioEffectV4_0TargetTest",
+    defaults: ["VtsHalTargetTestDefaults"],
+    srcs: [
+        "VtsHalAudioEffectTargetTest.cpp",
+        "ValidateAudioEffectsConfiguration.cpp"
+    ],
+    static_libs: [
+        "android.hardware.audio.common.test.utility",
+        "android.hardware.audio.common@4.0",
+        "android.hardware.audio.effect@4.0",
+        "android.hidl.allocator@1.0",
+        "android.hidl.memory@1.0",
+        "libeffectsconfig",
+        "libicuuc",
+        "libicuuc_stubdata",
+        "libxml2",
+    ],
+    header_libs: [
+        "android.hardware.audio.common.util@all-versions",
+    ],
+    test_suites: ["general-tests"],
+    cflags: [
+        "-DMAJOR_VERSION=4",
+        "-DMINOR_VERSION=0",
+        "-include common/all-versions/VersionMacro.h",
+    ]
+}
diff --git a/audio/effect/2.0/vts/functional/ValidateAudioEffectsConfiguration.cpp b/audio/effect/all-versions/vts/functional/ValidateAudioEffectsConfiguration.cpp
similarity index 83%
rename from audio/effect/2.0/vts/functional/ValidateAudioEffectsConfiguration.cpp
rename to audio/effect/all-versions/vts/functional/ValidateAudioEffectsConfiguration.cpp
index 040c93f..9f45ce2 100644
--- a/audio/effect/2.0/vts/functional/ValidateAudioEffectsConfiguration.cpp
+++ b/audio/effect/all-versions/vts/functional/ValidateAudioEffectsConfiguration.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -25,15 +25,18 @@
 #define QUOTE(x) #x
 #define STRINGIFY(x) QUOTE(x)
 
-#define AUDIO_HAL_VERSION V2_0
-
 TEST(CheckConfig, audioEffectsConfigurationValidation) {
     RecordProperty("description",
                    "Verify that the effects configuration file is valid according to the schema");
     using namespace android::effectsConfig;
 
     std::vector<const char*> locations(std::begin(DEFAULT_LOCATIONS), std::end(DEFAULT_LOCATIONS));
-    const char* xsd = "/data/local/tmp/audio_effects_conf_" STRINGIFY(AUDIO_HAL_VERSION) ".xsd";
+    const char* xsd = "/data/local/tmp/audio_effects_conf_" STRINGIFY(CPP_VERSION) ".xsd";
+#if MAJOR_VERSION == 2
     // In V2, audio effect XML is not required. .conf is still allowed though deprecated
     EXPECT_VALID_XML_MULTIPLE_LOCATIONS(DEFAULT_NAME, locations, xsd);
+#elif MAJOR_VERSION == 4
+    // Starting with V4, audio effect XML is required
+    EXPECT_ONE_VALID_XML_MULTIPLE_LOCATIONS(DEFAULT_NAME, locations, xsd);
+#endif
 }
diff --git a/audio/effect/2.0/vts/functional/VtsHalAudioEffectTargetTest.cpp b/audio/effect/all-versions/vts/functional/VtsHalAudioEffectTargetTest.cpp
similarity index 93%
rename from audio/effect/2.0/vts/functional/VtsHalAudioEffectTargetTest.cpp
rename to audio/effect/all-versions/vts/functional/VtsHalAudioEffectTargetTest.cpp
index 078e420..c248eae 100644
--- a/audio/effect/2.0/vts/functional/VtsHalAudioEffectTargetTest.cpp
+++ b/audio/effect/all-versions/vts/functional/VtsHalAudioEffectTargetTest.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -18,11 +18,11 @@
 #include <android-base/logging.h>
 #include <system/audio.h>
 
-#include <android/hardware/audio/effect/2.0/IEffect.h>
-#include <android/hardware/audio/effect/2.0/IEffectsFactory.h>
-#include <android/hardware/audio/effect/2.0/IEqualizerEffect.h>
-#include <android/hardware/audio/effect/2.0/ILoudnessEnhancerEffect.h>
-#include <android/hardware/audio/effect/2.0/types.h>
+#include PATH(android/hardware/audio/effect/FILE_VERSION/IEffect.h)
+#include PATH(android/hardware/audio/effect/FILE_VERSION/IEffectsFactory.h)
+#include PATH(android/hardware/audio/effect/FILE_VERSION/IEqualizerEffect.h)
+#include PATH(android/hardware/audio/effect/FILE_VERSION/ILoudnessEnhancerEffect.h)
+#include PATH(android/hardware/audio/effect/FILE_VERSION/types.h)
 #include <android/hidl/allocator/1.0/IAllocator.h>
 #include <android/hidl/memory/1.0/IMemory.h>
 
@@ -39,23 +39,23 @@
 using android::hardware::MQDescriptorSync;
 using android::hardware::Return;
 using android::hardware::Void;
+using android::hardware::audio::common::CPP_VERSION::AudioDevice;
+using android::hardware::audio::common::CPP_VERSION::AudioHandleConsts;
+using android::hardware::audio::common::CPP_VERSION::AudioMode;
+using android::hardware::audio::common::CPP_VERSION::AudioSource;
+using android::hardware::audio::common::CPP_VERSION::Uuid;
 using android::hardware::audio::common::utils::mkEnumBitfield;
-using android::hardware::audio::common::V2_0::AudioDevice;
-using android::hardware::audio::common::V2_0::AudioHandleConsts;
-using android::hardware::audio::common::V2_0::AudioMode;
-using android::hardware::audio::common::V2_0::AudioSource;
-using android::hardware::audio::common::V2_0::Uuid;
-using android::hardware::audio::effect::V2_0::AudioBuffer;
-using android::hardware::audio::effect::V2_0::EffectAuxChannelsConfig;
-using android::hardware::audio::effect::V2_0::EffectBufferConfig;
-using android::hardware::audio::effect::V2_0::EffectConfig;
-using android::hardware::audio::effect::V2_0::EffectDescriptor;
-using android::hardware::audio::effect::V2_0::EffectOffloadParameter;
-using android::hardware::audio::effect::V2_0::IEffect;
-using android::hardware::audio::effect::V2_0::IEffectsFactory;
-using android::hardware::audio::effect::V2_0::IEqualizerEffect;
-using android::hardware::audio::effect::V2_0::ILoudnessEnhancerEffect;
-using android::hardware::audio::effect::V2_0::Result;
+using android::hardware::audio::effect::CPP_VERSION::AudioBuffer;
+using android::hardware::audio::effect::CPP_VERSION::EffectAuxChannelsConfig;
+using android::hardware::audio::effect::CPP_VERSION::EffectBufferConfig;
+using android::hardware::audio::effect::CPP_VERSION::EffectConfig;
+using android::hardware::audio::effect::CPP_VERSION::EffectDescriptor;
+using android::hardware::audio::effect::CPP_VERSION::EffectOffloadParameter;
+using android::hardware::audio::effect::CPP_VERSION::IEffect;
+using android::hardware::audio::effect::CPP_VERSION::IEffectsFactory;
+using android::hardware::audio::effect::CPP_VERSION::IEqualizerEffect;
+using android::hardware::audio::effect::CPP_VERSION::ILoudnessEnhancerEffect;
+using android::hardware::audio::effect::CPP_VERSION::Result;
 using android::hidl::allocator::V1_0::IAllocator;
 using android::hidl::memory::V1_0::IMemory;
 
@@ -162,7 +162,11 @@
 
 TEST_F(AudioEffectsFactoryHidlTest, DebugDumpInvalidArgument) {
     description("Verify that debugDump doesn't crash on invalid arguments");
+#if MAJOR_VERSION == 2
     Return<void> ret = effectsFactory->debugDump(hidl_handle());
+#elif MAJOR_VERSION == 4
+    Return<void> ret = effectsFactory->debug(hidl_handle(), {});
+#endif
     ASSERT_TRUE(ret.isOk());
 }
 
@@ -338,7 +342,7 @@
 namespace hardware {
 namespace audio {
 namespace effect {
-namespace V2_0 {
+namespace CPP_VERSION {
 inline bool operator==(const AudioBuffer& lhs, const AudioBuffer& rhs) {
     return lhs.id == rhs.id && lhs.frameCount == rhs.frameCount && lhs.data.handle() == nullptr &&
            rhs.data.handle() == nullptr;
@@ -353,7 +357,7 @@
 inline bool operator==(const EffectConfig& lhs, const EffectConfig& rhs) {
     return lhs.inputCfg == rhs.inputCfg && lhs.outputCfg == rhs.outputCfg;
 }
-}  // namespace V2_0
+}  // namespace CPP_VERSION
 }  // namespace effect
 }  // namespace audio
 }  // namespace hardware
@@ -737,7 +741,8 @@
     description(
         "Verify that setting band levels and presets works via Get / "
         "SetAllProperties for Equalizer effect");
-    using AllProperties = android::hardware::audio::effect::V2_0::IEqualizerEffect::AllProperties;
+    using AllProperties =
+        android::hardware::audio::effect::CPP_VERSION::IEqualizerEffect::AllProperties;
     uint16_t numBands = 0;
     getNumBands(&numBands);
     ASSERT_GT(numBands, 0);