diff --git a/media/audioaidlconversion/AidlConversionNdkCpp.cpp b/media/audioaidlconversion/AidlConversionNdkCpp.cpp
new file mode 100644
index 0000000..36f6128
--- /dev/null
+++ b/media/audioaidlconversion/AidlConversionNdkCpp.cpp
@@ -0,0 +1,128 @@
+/*
+ * Copyright (C) 2023 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 <algorithm>
+#include <type_traits>
+
+#define LOG_TAG "AidlConversionNdkCpp"
+#include <utils/Log.h>
+
+#include <android-base/expected.h>
+#include <android/binder_auto_utils.h>
+#include <android/binder_enums.h>
+#include <android/binder_parcel.h>
+#include <binder/Enums.h>
+#include <media/AidlConversionNdkCpp.h>
+#include <media/AidlConversionUtil.h>
+
+using aidl::android::aidl_utils::statusTFromBinderStatusT;
+
+namespace android {
+
+namespace {
+
+// cpp2ndk and ndk2cpp are universal converters which work for any type,
+// however they are not the most efficient way to convert due to extra
+// marshaling / unmarshaling step.
+
+template<typename NdkType, typename CppType>
+ConversionResult<NdkType> cpp2ndk(const CppType& cpp) {
+    Parcel cppParcel;
+    RETURN_IF_ERROR(cpp.writeToParcel(&cppParcel));
+    ::ndk::ScopedAParcel ndkParcel(AParcel_create());
+    const int32_t ndkParcelBegin = AParcel_getDataPosition(ndkParcel.get());
+    RETURN_IF_ERROR(statusTFromBinderStatusT(AParcel_unmarshal(
+                            ndkParcel.get(), cppParcel.data(), cppParcel.dataSize())));
+    RETURN_IF_ERROR(statusTFromBinderStatusT(AParcel_setDataPosition(
+                            ndkParcel.get(), ndkParcelBegin)));
+    NdkType ndk;
+    RETURN_IF_ERROR(statusTFromBinderStatusT(ndk.readFromParcel(ndkParcel.get())));
+    return ndk;
+}
+
+template<typename CppType, typename NdkType>
+ConversionResult<CppType> ndk2cpp(const NdkType& ndk) {
+    ::ndk::ScopedAParcel ndkParcel(AParcel_create());
+    RETURN_IF_ERROR(statusTFromBinderStatusT(ndk.writeToParcel(ndkParcel.get())));
+    const int32_t ndkParcelDataSize = AParcel_getDataSize(ndkParcel.get());
+    if (ndkParcelDataSize < 0) {
+        return base::unexpected(BAD_VALUE);
+    }
+    // Parcel does not expose its data in a mutable form, we have to use an intermediate buffer.
+    std::vector<uint8_t> parcelData(static_cast<size_t>(ndkParcelDataSize));
+    RETURN_IF_ERROR(statusTFromBinderStatusT(AParcel_marshal(
+                            ndkParcel.get(), parcelData.data(), 0, ndkParcelDataSize)));
+    Parcel cppParcel;
+    RETURN_IF_ERROR(cppParcel.setData(parcelData.data(), parcelData.size()));
+    CppType cpp;
+    RETURN_IF_ERROR(cpp.readFromParcel(&cppParcel));
+    return cpp;
+}
+
+// cpp2ndk_Enum and ndk2cpp_Enum are more efficient implementations specifically for enums.
+
+template<typename OutEnum, typename OutEnumRange, typename InEnum>
+        ConversionResult<OutEnum> convertEnum(const OutEnumRange& range, InEnum e) {
+    using InIntType = std::underlying_type_t<InEnum>;
+    static_assert(std::is_same_v<InIntType, std::underlying_type_t<OutEnum>>);
+
+    InIntType inEnumIndex = static_cast<InIntType>(e);
+    OutEnum outEnum = static_cast<OutEnum>(inEnumIndex);
+    if (std::find(range.begin(), range.end(), outEnum) == range.end()) {
+        return base::unexpected(BAD_VALUE);
+    }
+    return outEnum;
+}
+
+template<typename NdkEnum, typename CppEnum>
+        ConversionResult<NdkEnum> cpp2ndk_Enum(CppEnum cpp) {
+    return convertEnum<NdkEnum>(::ndk::enum_range<NdkEnum>(), cpp);
+}
+
+template<typename CppEnum, typename NdkEnum>
+        ConversionResult<CppEnum> ndk2cpp_Enum(NdkEnum ndk) {
+    return convertEnum<CppEnum>(enum_range<CppEnum>(), ndk);
+}
+
+}  // namespace
+
+#define GENERATE_CONVERTERS(packageName, className)                     \
+    ConversionResult<::aidl::packageName::className> cpp2ndk_##className( \
+            const ::packageName::className& cpp) {                      \
+        return cpp2ndk<::aidl::packageName::className>(cpp);            \
+    }                                                                   \
+    ConversionResult<::packageName::className> ndk2cpp_##className(     \
+            const ::aidl::packageName::className& ndk) {                \
+        return ndk2cpp<::packageName::className>(ndk);                  \
+    }
+
+#define GENERATE_ENUM_CONVERTERS(packageName, className)                \
+    ConversionResult<::aidl::packageName::className> cpp2ndk_##className( \
+            const ::packageName::className& cpp) {                      \
+        return cpp2ndk_Enum<::aidl::packageName::className>(cpp);       \
+    }                                                                   \
+    ConversionResult<::packageName::className> ndk2cpp_##className(     \
+            const ::aidl::packageName::className& ndk) {                \
+        return ndk2cpp_Enum<::packageName::className>(ndk);             \
+}
+
+GENERATE_CONVERTERS(android::media::audio::common, AudioFormatDescription);
+GENERATE_CONVERTERS(android::media::audio::common, AudioHalEngineConfig);
+GENERATE_CONVERTERS(android::media::audio::common, AudioMMapPolicyInfo);
+GENERATE_ENUM_CONVERTERS(android::media::audio::common, AudioMMapPolicyType);
+GENERATE_CONVERTERS(android::media::audio::common, AudioPort);
+
+}  // namespace android
diff --git a/media/audioaidlconversion/Android.bp b/media/audioaidlconversion/Android.bp
index 1ec4849..d3a5755 100644
--- a/media/audioaidlconversion/Android.bp
+++ b/media/audioaidlconversion/Android.bp
@@ -212,3 +212,27 @@
     ],
     min_sdk_version: "31", //AParcelableHolder has been introduced in 31
 }
+
+/**
+ * Conversions between the NDK and CPP backends for common types.
+ */
+cc_library {
+    name: "libaudio_aidl_conversion_common_ndk_cpp",
+    srcs: [
+        "AidlConversionNdkCpp.cpp",
+    ],
+    defaults: [
+        "audio_aidl_conversion_common_default",
+        "audio_aidl_conversion_common_util_default",
+        "latest_android_media_audio_common_types_cpp_shared",
+        "latest_android_media_audio_common_types_ndk_shared",
+    ],
+    shared_libs: [
+        "libbinder_ndk",
+        "libbase",
+    ],
+    cflags: [
+        "-DBACKEND_CPP_NDK",
+    ],
+    min_sdk_version: "33", //AParcel_unmarshal has been introduced in 33
+}
diff --git a/media/audioaidlconversion/TEST_MAPPING b/media/audioaidlconversion/TEST_MAPPING
index a0c9759..903b88a 100644
--- a/media/audioaidlconversion/TEST_MAPPING
+++ b/media/audioaidlconversion/TEST_MAPPING
@@ -1,7 +1,8 @@
 {
   "presubmit": [
     {
-      "name": "audio_aidl_ndk_conversion_tests"
+      "name": "audio_aidl_ndk_conversion_tests",
+      "name": "audio_aidl_ndk_cpp_conversion_tests"
     }
   ]
 }
diff --git a/media/audioaidlconversion/include/media/AidlConversionNdkCpp.h b/media/audioaidlconversion/include/media/AidlConversionNdkCpp.h
new file mode 100644
index 0000000..09f1c22
--- /dev/null
+++ b/media/audioaidlconversion/include/media/AidlConversionNdkCpp.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+
+#pragma once
+
+/**
+ * Conversions between the NDK and CPP backends for common types.
+ */
+#include <aidl/android/media/audio/common/AudioFormatDescription.h>
+#include <aidl/android/media/audio/common/AudioHalEngineConfig.h>
+#include <aidl/android/media/audio/common/AudioMMapPolicyInfo.h>
+#include <aidl/android/media/audio/common/AudioMMapPolicyType.h>
+#include <aidl/android/media/audio/common/AudioPort.h>
+#include <android/media/audio/common/AudioFormatDescription.h>
+#include <android/media/audio/common/AudioHalEngineConfig.h>
+#include <android/media/audio/common/AudioMMapPolicyInfo.h>
+#include <android/media/audio/common/AudioMMapPolicyType.h>
+#include <android/media/audio/common/AudioPort.h>
+#include <media/AidlConversionUtil.h>
+
+namespace android {
+
+#define DECLARE_CONVERTERS(packageName, className)                       \
+    ConversionResult<::aidl::packageName::className>                    \
+    cpp2ndk_##className(const ::packageName::className& cpp);           \
+    ConversionResult<::packageName::className>                          \
+    ndk2cpp_##className(const ::aidl::packageName::className& ndk);
+
+DECLARE_CONVERTERS(android::media::audio::common, AudioFormatDescription);
+DECLARE_CONVERTERS(android::media::audio::common, AudioHalEngineConfig);
+DECLARE_CONVERTERS(android::media::audio::common, AudioMMapPolicyInfo);
+DECLARE_CONVERTERS(android::media::audio::common, AudioMMapPolicyType);
+DECLARE_CONVERTERS(android::media::audio::common, AudioPort);
+
+#undef DECLARE_CONVERTERS
+
+}  // namespace android
diff --git a/media/audioaidlconversion/include/media/AidlConversionUtil-impl.h b/media/audioaidlconversion/include/media/AidlConversionUtil-impl.h
index b179cbb..f49f681 100644
--- a/media/audioaidlconversion/include/media/AidlConversionUtil-impl.h
+++ b/media/audioaidlconversion/include/media/AidlConversionUtil-impl.h
@@ -389,6 +389,10 @@
         ?: statusTFromExceptionCode(status.getExceptionCode()); // a service-side error with a
                                                      // standard Java exception (fromExceptionCode)
 }
+
+static inline ::android::status_t statusTFromBinderStatusT(binder_status_t status) {
+    return statusTFromBinderStatus(::ndk::ScopedAStatus::fromStatus(status));
+}
 #endif
 
 /**
diff --git a/media/audioaidlconversion/tests/Android.bp b/media/audioaidlconversion/tests/Android.bp
index de7c8a2..88b2cc9 100644
--- a/media/audioaidlconversion/tests/Android.bp
+++ b/media/audioaidlconversion/tests/Android.bp
@@ -44,3 +44,27 @@
         "-DBACKEND_NDK",
     ],
 }
+
+cc_test {
+    name: "audio_aidl_ndk_cpp_conversion_tests",
+
+    defaults: [
+        "latest_android_media_audio_common_types_cpp_static",
+        "latest_android_media_audio_common_types_ndk_static",
+        "libaudio_aidl_conversion_tests_defaults",
+    ],
+    srcs: ["audio_aidl_ndk_cpp_conversion_tests.cpp"],
+    shared_libs: [
+        "libbinder",
+        "libbinder_ndk",
+        "libcutils",
+        "liblog",
+        "libutils",
+    ],
+    static_libs: [
+        "libaudio_aidl_conversion_common_ndk_cpp",
+    ],
+    cflags: [
+        "-DBACKEND_CPP_NDK",
+    ],
+}
diff --git a/media/audioaidlconversion/tests/audio_aidl_ndk_cpp_conversion_tests.cpp b/media/audioaidlconversion/tests/audio_aidl_ndk_cpp_conversion_tests.cpp
new file mode 100644
index 0000000..735a14b
--- /dev/null
+++ b/media/audioaidlconversion/tests/audio_aidl_ndk_cpp_conversion_tests.cpp
@@ -0,0 +1,127 @@
+/*
+ * Copyright (C) 2023 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 <iostream>
+#include <type_traits>
+
+#include <gtest/gtest.h>
+
+#include <media/AidlConversionNdkCpp.h>
+
+namespace {
+template<typename> struct mf_traits {};
+template<class T, class U> struct mf_traits<U T::*> {
+    using member_type = U;
+};
+}  // namespace
+
+// Provide value printers for types generated from AIDL
+// They need to be in the same namespace as the types we intend to print
+#define DEFINE_PRINTING_TEMPLATES()
+    template <typename P>                                                                         \
+    std::enable_if_t<std::is_function_v<typename mf_traits<decltype(&P::toString)>::member_type>, \
+            std::ostream&> operator<<(std::ostream& os, const P& p) {                             \
+        return os << p.toString();                                                                \
+    }                                                                                             \
+    template <typename E>                                                                         \
+    std::enable_if_t<std::is_enum_v<E>, std::ostream&> operator<<(std::ostream& os, const E& e) { \
+        return os << toString(e);                                                                 \
+    }
+
+namespace aidl::android::media::audio::common {
+DEFINE_PRINTING_TEMPLATES();
+}  // namespace aidl::android::media::audio::common
+namespace android::hardware::audio::common {
+DEFINE_PRINTING_TEMPLATES();
+}  // namespace android::hardware::audio::common
+#undef DEFINE_PRINTING_TEMPLATES
+
+using namespace android;
+
+namespace {
+
+using namespace ::aidl::android::media::audio::common;
+
+AudioFormatDescription make_AudioFormatDescription(AudioFormatType type) {
+    AudioFormatDescription result;
+    result.type = type;
+    return result;
+}
+
+AudioFormatDescription make_AudioFormatDescription(PcmType pcm) {
+    auto result = make_AudioFormatDescription(AudioFormatType::PCM);
+    result.pcm = pcm;
+    return result;
+}
+
+AudioFormatDescription make_AudioFormatDescription(const std::string& encoding) {
+    AudioFormatDescription result;
+    result.encoding = encoding;
+    return result;
+}
+
+AudioFormatDescription make_AudioFormatDescription(PcmType transport, const std::string& encoding) {
+    auto result = make_AudioFormatDescription(encoding);
+    result.pcm = transport;
+    return result;
+}
+
+AudioFormatDescription make_AFD_Default() {
+    return AudioFormatDescription{};
+}
+
+AudioFormatDescription make_AFD_Invalid() {
+    return make_AudioFormatDescription(AudioFormatType::SYS_RESERVED_INVALID);
+}
+
+AudioFormatDescription make_AFD_Pcm16Bit() {
+    return make_AudioFormatDescription(PcmType::INT_16_BIT);
+}
+
+AudioFormatDescription make_AFD_Bitstream() {
+    return make_AudioFormatDescription("example");
+}
+
+AudioFormatDescription make_AFD_Encap() {
+    return make_AudioFormatDescription(PcmType::INT_16_BIT, "example.encap");
+}
+
+AudioFormatDescription make_AFD_Encap_with_Enc() {
+    auto afd = make_AFD_Encap();
+    afd.encoding += "+example";
+    return afd;
+}
+
+}  // namespace
+
+// There is no reason to write test for every type which gets converted via parcelable
+// since the conversion code is all the same.
+
+class AudioFormatDescriptionRoundTripTest :
+        public testing::TestWithParam<::aidl::android::media::audio::common::AudioFormatDescription>
+{
+};
+TEST_P(AudioFormatDescriptionRoundTripTest, Ndk2Cpp2Ndk) {
+    const auto& initial = GetParam();
+    auto conv = ndk2cpp_AudioFormatDescription(initial);
+    ASSERT_TRUE(conv.ok());
+    auto convBack = cpp2ndk_AudioFormatDescription(conv.value());
+    ASSERT_TRUE(convBack.ok());
+    EXPECT_EQ(initial, convBack.value());
+}
+INSTANTIATE_TEST_SUITE_P(AudioFormatDescriptionRoundTrip, AudioFormatDescriptionRoundTripTest,
+        testing::Values(make_AFD_Invalid(), make_AFD_Default(), make_AFD_Pcm16Bit(),
+                make_AFD_Bitstream(), make_AFD_Encap(), make_AFD_Encap_with_Enc()));
diff --git a/media/libaaudio/src/legacy/AudioStreamTrack.cpp b/media/libaaudio/src/legacy/AudioStreamTrack.cpp
index fc8ba9e..67ee42e 100644
--- a/media/libaaudio/src/legacy/AudioStreamTrack.cpp
+++ b/media/libaaudio/src/legacy/AudioStreamTrack.cpp
@@ -132,10 +132,11 @@
             AAudioConvert_contentTypeToInternal(builder.getContentType());
     const audio_usage_t usage =
             AAudioConvert_usageToInternal(builder.getUsage());
-    const audio_flags_mask_t attributesFlags =
-        AAudioConvert_allowCapturePolicyToAudioFlagsMask(builder.getAllowedCapturePolicy(),
-                                                         builder.getSpatializationBehavior(),
-                                                         builder.isContentSpatialized());
+    const audio_flags_mask_t attributesFlags = AAudio_computeAudioFlagsMask(
+                                                            builder.getAllowedCapturePolicy(),
+                                                            builder.getSpatializationBehavior(),
+                                                            builder.isContentSpatialized(),
+                                                            flags);
 
     const audio_attributes_t attributes = {
             .content_type = contentType,
diff --git a/media/libaaudio/src/utility/AAudioUtilities.cpp b/media/libaaudio/src/utility/AAudioUtilities.cpp
index 8920e53..e8324a8 100644
--- a/media/libaaudio/src/utility/AAudioUtilities.cpp
+++ b/media/libaaudio/src/utility/AAudioUtilities.cpp
@@ -255,10 +255,11 @@
     return (audio_source_t) preset; // same value
 }
 
-audio_flags_mask_t AAudioConvert_allowCapturePolicyToAudioFlagsMask(
+audio_flags_mask_t AAudio_computeAudioFlagsMask(
         aaudio_allowed_capture_policy_t policy,
         aaudio_spatialization_behavior_t spatializationBehavior,
-        bool isContentSpatialized) {
+        bool isContentSpatialized,
+        audio_output_flags_t outputFlags) {
     audio_flags_mask_t flagsMask = AUDIO_FLAG_NONE;
     switch (policy) {
         case AAUDIO_UNSPECIFIED:
@@ -295,6 +296,15 @@
         flagsMask = static_cast<audio_flags_mask_t>(flagsMask | AUDIO_FLAG_CONTENT_SPATIALIZED);
     }
 
+    if ((outputFlags & AUDIO_OUTPUT_FLAG_HW_AV_SYNC) != 0) {
+        flagsMask = static_cast<audio_flags_mask_t>(flagsMask | AUDIO_FLAG_HW_AV_SYNC);
+    }
+    if ((outputFlags & AUDIO_OUTPUT_FLAG_FAST) != 0) {
+        flagsMask = static_cast<audio_flags_mask_t>(flagsMask | AUDIO_FLAG_LOW_LATENCY);
+    } else if ((outputFlags & AUDIO_OUTPUT_FLAG_DEEP_BUFFER) != 0) {
+        flagsMask = static_cast<audio_flags_mask_t>(flagsMask | AUDIO_FLAG_DEEP_BUFFER);
+    }
+
     return flagsMask;
 }
 
diff --git a/media/libaaudio/src/utility/AAudioUtilities.h b/media/libaaudio/src/utility/AAudioUtilities.h
index d8e5b00..d44bbab 100644
--- a/media/libaaudio/src/utility/AAudioUtilities.h
+++ b/media/libaaudio/src/utility/AAudioUtilities.h
@@ -94,10 +94,11 @@
  * That is done somewhere else.
  * @return internal audio flags mask
  */
-audio_flags_mask_t AAudioConvert_allowCapturePolicyToAudioFlagsMask(
+audio_flags_mask_t AAudio_computeAudioFlagsMask(
         aaudio_allowed_capture_policy_t policy,
         aaudio_spatialization_behavior_t spatializationBehavior,
-        bool isContentSpatialized);
+        bool isContentSpatialized,
+        audio_output_flags_t outputFlags);
 
 audio_flags_mask_t AAudioConvert_privacySensitiveToAudioFlagsMask(
         bool privacySensitive);
diff --git a/media/libaudioclient/Android.bp b/media/libaudioclient/Android.bp
index 2bbfb76..d5bbb52 100644
--- a/media/libaudioclient/Android.bp
+++ b/media/libaudioclient/Android.bp
@@ -300,11 +300,14 @@
         "aidl/android/media/AudioPortRole.aidl",
         "aidl/android/media/AudioPortType.aidl",
         "aidl/android/media/AudioProfileSys.aidl",
+        "aidl/android/media/AudioRoute.aidl",
         "aidl/android/media/AudioTimestampInternal.aidl",
         "aidl/android/media/AudioUniqueIdUse.aidl",
         "aidl/android/media/AudioVibratorInfo.aidl",
+        "aidl/android/media/DeviceConnectedState.aidl",
         "aidl/android/media/EffectDescriptor.aidl",
         "aidl/android/media/TrackSecondaryOutputInfo.aidl",
+        "aidl/android/media/SurroundSoundConfig.aidl",
     ],
     imports: [
         "android.media.audio.common.types-V2",
diff --git a/media/libaudioclient/IAudioFlinger.cpp b/media/libaudioclient/IAudioFlinger.cpp
index 620cdc2..4384f97 100644
--- a/media/libaudioclient/IAudioFlinger.cpp
+++ b/media/libaudioclient/IAudioFlinger.cpp
@@ -810,10 +810,10 @@
 }
 
 status_t AudioFlingerClientAdapter::setDeviceConnectedState(
-        const struct audio_port_v7 *port, bool connected) {
+        const struct audio_port_v7 *port, media::DeviceConnectedState state) {
     media::AudioPortFw aidlPort = VALUE_OR_RETURN_STATUS(
             legacy2aidl_audio_port_v7_AudioPortFw(*port));
-    return statusTFromBinderStatus(mDelegate->setDeviceConnectedState(aidlPort, connected));
+    return statusTFromBinderStatus(mDelegate->setDeviceConnectedState(aidlPort, state));
 }
 
 status_t AudioFlingerClientAdapter::setSimulateDeviceConnections(bool enabled) {
@@ -1369,9 +1369,9 @@
 }
 
 Status AudioFlingerServerAdapter::setDeviceConnectedState(
-        const media::AudioPortFw& port, bool connected) {
+        const media::AudioPortFw& port, media::DeviceConnectedState state) {
     audio_port_v7 portLegacy = VALUE_OR_RETURN_BINDER(aidl2legacy_AudioPortFw_audio_port_v7(port));
-    return Status::fromStatusT(mDelegate->setDeviceConnectedState(&portLegacy, connected));
+    return Status::fromStatusT(mDelegate->setDeviceConnectedState(&portLegacy, state));
 }
 
 Status AudioFlingerServerAdapter::setSimulateDeviceConnections(bool enabled) {
diff --git a/media/libaudioclient/ToneGenerator.cpp b/media/libaudioclient/ToneGenerator.cpp
index f0b4d11..7c0ce57 100644
--- a/media/libaudioclient/ToneGenerator.cpp
+++ b/media/libaudioclient/ToneGenerator.cpp
@@ -1306,6 +1306,7 @@
         streamType = AUDIO_STREAM_DTMF;
     }
     attr = AudioSystem::streamTypeToAttributes(streamType);
+    attr.flags = AUDIO_FLAG_LOW_LATENCY;
 
     const size_t frameCount = mProcessSize;
     status_t status = mpAudioTrack->set(
@@ -1314,7 +1315,7 @@
             AUDIO_FORMAT_PCM_16_BIT,
             AUDIO_CHANNEL_OUT_MONO,
             frameCount,
-            AUDIO_OUTPUT_FLAG_FAST,
+            AUDIO_OUTPUT_FLAG_NONE,
             wp<AudioTrack::IAudioTrackCallback>::fromExisting(this),
             0,    // notificationFrames
             0,    // sharedBuffer
diff --git a/media/libaudioclient/aidl/android/media/AudioRoute.aidl b/media/libaudioclient/aidl/android/media/AudioRoute.aidl
new file mode 100644
index 0000000..5ee2161
--- /dev/null
+++ b/media/libaudioclient/aidl/android/media/AudioRoute.aidl
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+
+package android.media;
+
+/**
+ * TODO(b/280077672): This is a temporary copy of the stable
+ * android.hardware.audio.core.AudioRoute. Interfaces from the Core API do not
+ * support the CPP backend. This copy will be removed either by moving the
+ * AudioRoute from core to a.m.a.common or by switching the framework internal
+ * interfaces to the NDK backend.
+ * {@hide}
+ */
+parcelable AudioRoute {
+    /**
+     * The list of IDs of source audio ports ('AudioPort.id').
+     * There must be at least one source in a valid route and all IDs must be
+     * unique.
+     */
+    int[] sourcePortIds;
+    /** The ID of the sink audio port ('AudioPort.id'). */
+    int sinkPortId;
+    /** If set, only one source can be active, mixing is not supported. */
+    boolean isExclusive;
+}
diff --git a/media/libaudioclient/aidl/android/media/DeviceConnectedState.aidl b/media/libaudioclient/aidl/android/media/DeviceConnectedState.aidl
new file mode 100644
index 0000000..e401384
--- /dev/null
+++ b/media/libaudioclient/aidl/android/media/DeviceConnectedState.aidl
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+package android.media;
+
+/**
+ * {@hide}
+ */
+@Backing(type="int")
+enum DeviceConnectedState {
+    CONNECTED = 0,
+    DISCONNECTED = 1,
+    PREPARE_TO_DISCONNECT = 2,
+}
diff --git a/media/libaudioclient/aidl/android/media/IAudioFlingerService.aidl b/media/libaudioclient/aidl/android/media/IAudioFlingerService.aidl
index 4d9fef4..884cd30 100644
--- a/media/libaudioclient/aidl/android/media/IAudioFlingerService.aidl
+++ b/media/libaudioclient/aidl/android/media/IAudioFlingerService.aidl
@@ -27,6 +27,7 @@
 import android.media.CreateRecordResponse;
 import android.media.CreateTrackRequest;
 import android.media.CreateTrackResponse;
+import android.media.DeviceConnectedState;
 import android.media.OpenInputRequest;
 import android.media.OpenInputResponse;
 import android.media.OpenOutputRequest;
@@ -227,7 +228,7 @@
 
     int getAAudioHardwareBurstMinUsec();
 
-    void setDeviceConnectedState(in AudioPortFw devicePort, boolean connected);
+    void setDeviceConnectedState(in AudioPortFw devicePort, DeviceConnectedState state);
 
     // Used for tests only. Requires AIDL HAL to work.
     void setSimulateDeviceConnections(boolean enabled);
diff --git a/media/libaudioclient/aidl/android/media/ISoundDose.aidl b/media/libaudioclient/aidl/android/media/ISoundDose.aidl
index 0e2a5ab..6cb22ef 100644
--- a/media/libaudioclient/aidl/android/media/ISoundDose.aidl
+++ b/media/libaudioclient/aidl/android/media/ISoundDose.aidl
@@ -49,13 +49,11 @@
     oneway void updateAttenuation(float attenuationDB, int device);
 
     /**
-     * Disable the calculation of sound dose. This has the effect that no MEL
-     * values will be computed on the framework side. The MEL returned from
-     * the IHalSoundDoseCallbacks will be ignored.
-     * Should only be called once at startup if the AudioService does not
-     * support CSD.
+     * Enables/disables the calculation of sound dose. This has the effect that
+     * if disabled no MEL values will be computed on the framework side. The MEL
+     * returned from the IHalSoundDoseCallbacks will be ignored.
      */
-    oneway void disableCsd();
+    oneway void setCsdEnabled(boolean enabled);
 
     /* -------------------------- Test API methods --------------------------
     /** Get the currently used RS2 upper bound. */
diff --git a/media/libaudioclient/aidl/android/media/SurroundSoundConfig.aidl b/media/libaudioclient/aidl/android/media/SurroundSoundConfig.aidl
new file mode 100644
index 0000000..f83fdef
--- /dev/null
+++ b/media/libaudioclient/aidl/android/media/SurroundSoundConfig.aidl
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+
+package android.media;
+
+import android.media.audio.common.AudioFormatDescription;
+
+/**
+ * TODO(b/280077672): This is a temporary copy of the stable
+ * android.hardware.audio.core.SurroundSoundConfig parcelable.
+ * Interfaces from the Core API do not support the CPP backend. This copy will
+ * be removed either by moving the AudioRoute from core to a.m.a.common or by
+ * switching the framework internal interfaces to the NDK backend.
+ * {@hide}
+ */
+parcelable SurroundSoundConfig {
+    parcelable SurroundFormatFamily {
+        /**
+         * A primaryFormat shall get an entry in the Surround Settings dialog on TV
+         * devices. There must be a corresponding Java ENCODING_... constant
+         * defined in AudioFormat.java, and a display name defined in
+         * AudioFormat.toDisplayName.
+         */
+        AudioFormatDescription primaryFormat;
+        /**
+         * List of formats that shall be equivalent to the primaryFormat from the
+         * users' point of view and don't need a dedicated Surround Settings
+         * dialog entry.
+         */
+        AudioFormatDescription[] subFormats;
+    }
+    SurroundFormatFamily[] formatFamilies;
+}
diff --git a/media/libaudioclient/include/media/IAudioFlinger.h b/media/libaudioclient/include/media/IAudioFlinger.h
index 1803862..6e28d51 100644
--- a/media/libaudioclient/include/media/IAudioFlinger.h
+++ b/media/libaudioclient/include/media/IAudioFlinger.h
@@ -361,7 +361,8 @@
 
     virtual int32_t getAAudioHardwareBurstMinUsec() = 0;
 
-    virtual status_t setDeviceConnectedState(const struct audio_port_v7 *port, bool connected) = 0;
+    virtual status_t setDeviceConnectedState(const struct audio_port_v7 *port,
+                                             media::DeviceConnectedState state) = 0;
 
     virtual status_t setSimulateDeviceConnections(bool enabled) = 0;
 
@@ -481,7 +482,8 @@
             std::vector<media::audio::common::AudioMMapPolicyInfo> *policyInfos) override;
     int32_t getAAudioMixerBurstCount() override;
     int32_t getAAudioHardwareBurstMinUsec() override;
-    status_t setDeviceConnectedState(const struct audio_port_v7 *port, bool connected) override;
+    status_t setDeviceConnectedState(const struct audio_port_v7 *port,
+                                     media::DeviceConnectedState state) override;
     status_t setSimulateDeviceConnections(bool enabled) override;
     status_t setRequestedLatencyMode(audio_io_handle_t output,
             audio_latency_mode_t mode) override;
@@ -711,7 +713,8 @@
             std::vector<media::audio::common::AudioMMapPolicyInfo> *_aidl_return) override;
     Status getAAudioMixerBurstCount(int32_t* _aidl_return) override;
     Status getAAudioHardwareBurstMinUsec(int32_t* _aidl_return) override;
-    Status setDeviceConnectedState(const media::AudioPortFw& port, bool connected) override;
+    Status setDeviceConnectedState(const media::AudioPortFw& port,
+                                   media::DeviceConnectedState state) override;
     Status setSimulateDeviceConnections(bool enabled) override;
     Status setRequestedLatencyMode(
             int output, media::audio::common::AudioLatencyMode mode) override;
diff --git a/media/libaudiohal/Android.bp b/media/libaudiohal/Android.bp
index 1dbcb86..3c05b0b 100644
--- a/media/libaudiohal/Android.bp
+++ b/media/libaudiohal/Android.bp
@@ -74,6 +74,12 @@
 cc_library_headers {
     name: "libaudiohal_headers",
 
+    header_libs: [
+        "libeffectsconfig_headers",
+    ],
+
+    export_header_lib_headers: ["libeffectsconfig_headers"],
+
     export_include_dirs: ["include"],
 }
 
diff --git a/media/libaudiohal/impl/Android.bp b/media/libaudiohal/impl/Android.bp
index 9dbb591..09e70eb 100644
--- a/media/libaudiohal/impl/Android.bp
+++ b/media/libaudiohal/impl/Android.bp
@@ -35,6 +35,7 @@
         "android.hidl.allocator@1.0",
         "android.hidl.memory@1.0",
         "libaudiohal_deathhandler",
+        "libeffectsconfig",
         "libhidlbase",
         "libhidlmemory",
     ],
@@ -287,15 +288,17 @@
         "android.hardware.common.fmq-V1-ndk",
     ],
     shared_libs: [
-        "libbinder_ndk",
         "libaudio_aidl_conversion_common_cpp",
         "libaudio_aidl_conversion_common_ndk",
+        "libaudio_aidl_conversion_common_ndk_cpp",
         "libaudio_aidl_conversion_core_ndk",
         "libaudio_aidl_conversion_effect_ndk",
         "libaudioaidlcommon",
+        "libbinder_ndk",
     ],
     header_libs: [
         "libaudio_system_headers",
+        "libeffectsconfig_headers",
     ],
     cflags: [
         "-Wall",
diff --git a/media/libaudiohal/impl/DeviceHalAidl.cpp b/media/libaudiohal/impl/DeviceHalAidl.cpp
index aafe6e0..f993907 100644
--- a/media/libaudiohal/impl/DeviceHalAidl.cpp
+++ b/media/libaudiohal/impl/DeviceHalAidl.cpp
@@ -23,10 +23,9 @@
 #include <aidl/android/hardware/audio/core/BnStreamCallback.h>
 #include <aidl/android/hardware/audio/core/BnStreamOutEventCallback.h>
 #include <aidl/android/hardware/audio/core/StreamDescriptor.h>
-#include <android/binder_enums.h>
-#include <binder/Enums.h>
 #include <error/expected_utils.h>
 #include <media/AidlConversionCppNdk.h>
+#include <media/AidlConversionNdkCpp.h>
 #include <media/AidlConversionUtil.h>
 #include <mediautils/TimeCheck.h>
 #include <Utils.h>
@@ -96,77 +95,35 @@
     portConfig->format = config.base.format;
 }
 
-template<typename OutEnum, typename OutEnumRange, typename InEnum>
-ConversionResult<OutEnum> convertEnum(const OutEnumRange& range, InEnum e) {
-    using InIntType = std::underlying_type_t<InEnum>;
-    static_assert(std::is_same_v<InIntType, std::underlying_type_t<OutEnum>>);
-
-    InIntType inEnumIndex = static_cast<InIntType>(e);
-    OutEnum outEnum = static_cast<OutEnum>(inEnumIndex);
-    if (std::find(range.begin(), range.end(), outEnum) == range.end()) {
-        return ::android::base::unexpected(BAD_VALUE);
-    }
-    return outEnum;
-}
-
-template<typename NdkEnum, typename CppEnum>
-ConversionResult<NdkEnum> cpp2ndk_Enum(CppEnum e) {
-    return convertEnum<NdkEnum>(::ndk::enum_range<NdkEnum>(), e);
-}
-
-template<typename CppEnum, typename NdkEnum>
-ConversionResult<CppEnum> ndk2cpp_Enum(NdkEnum e) {
-    return convertEnum<CppEnum>(::android::enum_range<CppEnum>(), e);
-}
-
-ConversionResult<android::media::audio::common::AudioDeviceAddress>
-ndk2cpp_AudioDeviceAddress(const AudioDeviceAddress& ndk) {
-    using CppTag = android::media::audio::common::AudioDeviceAddress::Tag;
-    using NdkTag = AudioDeviceAddress::Tag;
-
-    CppTag cppTag = VALUE_OR_RETURN(ndk2cpp_Enum<CppTag>(ndk.getTag()));
-
-    switch (cppTag) {
-        case CppTag::id:
-            return android::media::audio::common::AudioDeviceAddress::make<CppTag::id>(
-                    ndk.get<NdkTag::id>());
-        case CppTag::mac:
-            return android::media::audio::common::AudioDeviceAddress::make<CppTag::mac>(
-                    ndk.get<NdkTag::mac>());
-        case CppTag::ipv4:
-            return android::media::audio::common::AudioDeviceAddress::make<CppTag::ipv4>(
-                    ndk.get<NdkTag::ipv4>());
-        case CppTag::ipv6:
-            return android::media::audio::common::AudioDeviceAddress::make<CppTag::ipv6>(
-                    ndk.get<NdkTag::ipv6>());
-        case CppTag::alsa:
-            return android::media::audio::common::AudioDeviceAddress::make<CppTag::alsa>(
-                    ndk.get<NdkTag::alsa>());
-    }
-
-    return ::android::base::unexpected(BAD_VALUE);
-}
-
-ConversionResult<media::audio::common::AudioDevice> ndk2cpp_AudioDevice(const AudioDevice& ndk) {
-    media::audio::common::AudioDevice cpp;
-    cpp.type.type = VALUE_OR_RETURN(
-            ndk2cpp_Enum<media::audio::common::AudioDeviceType>(ndk.type.type));
-    cpp.type.connection = ndk.type.connection;
-    cpp.address = VALUE_OR_RETURN(ndk2cpp_AudioDeviceAddress(ndk.address));
-    return cpp;
-}
-
-ConversionResult<media::audio::common::AudioMMapPolicyInfo>
-ndk2cpp_AudioMMapPolicyInfo(const AudioMMapPolicyInfo& ndk) {
-    media::audio::common::AudioMMapPolicyInfo cpp;
-    cpp.device = VALUE_OR_RETURN(ndk2cpp_AudioDevice(ndk.device));
-    cpp.mmapPolicy = VALUE_OR_RETURN(
-            ndk2cpp_Enum<media::audio::common::AudioMMapPolicy>(ndk.mmapPolicy));
+// Note: these converters are for types defined in different AIDL files. Although these
+// AIDL files are copies of each other, however formally these are different types
+// thus we don't use a conversion via a parcelable.
+ConversionResult<media::AudioRoute> ndk2cpp_AudioRoute(const AudioRoute& ndk) {
+    media::AudioRoute cpp;
+    cpp.sourcePortIds.insert(
+            cpp.sourcePortIds.end(), ndk.sourcePortIds.begin(), ndk.sourcePortIds.end());
+    cpp.sinkPortId = ndk.sinkPortId;
+    cpp.isExclusive = ndk.isExclusive;
     return cpp;
 }
 
 }  // namespace
 
+status_t DeviceHalAidl::getAudioPorts(std::vector<media::audio::common::AudioPort> *ports) {
+    auto convertAudioPortFromMap = [](const Ports::value_type& pair) {
+        return ndk2cpp_AudioPort(pair.second);
+    };
+    return ::aidl::android::convertRange(mPorts.begin(), mPorts.end(), ports->begin(),
+            convertAudioPortFromMap);
+}
+
+status_t DeviceHalAidl::getAudioRoutes(std::vector<media::AudioRoute> *routes) {
+    *routes = VALUE_OR_RETURN_STATUS(
+            ::aidl::android::convertContainer<std::vector<media::AudioRoute>>(
+                    mRoutes, ndk2cpp_AudioRoute));
+    return OK;
+}
+
 status_t DeviceHalAidl::getSupportedDevices(uint32_t*) {
     // Obsolete.
     return INVALID_OPERATION;
@@ -176,8 +133,7 @@
     TIME_CHECK();
     if (mModule == nullptr) return NO_INIT;
     std::vector<AudioPort> ports;
-    RETURN_STATUS_IF_ERROR(
-            statusTFromBinderStatus(mModule->getAudioPorts(&ports)));
+    RETURN_STATUS_IF_ERROR(statusTFromBinderStatus(mModule->getAudioPorts(&ports)));
     ALOGW_IF(ports.empty(), "%s: module %s returned an empty list of audio ports",
             __func__, mInstance.c_str());
     std::transform(ports.begin(), ports.end(), std::inserter(mPorts, mPorts.end()),
@@ -204,6 +160,9 @@
     std::transform(portConfigs.begin(), portConfigs.end(),
             std::inserter(mPortConfigs, mPortConfigs.end()),
             [](const auto& p) { return std::make_pair(p.id, p); });
+    std::transform(mPortConfigs.begin(), mPortConfigs.end(),
+            std::inserter(mInitialPortConfigIds, mInitialPortConfigIds.end()),
+            [](const auto& pcPair) { return pcPair.first; });
     std::vector<AudioPatch> patches;
     RETURN_STATUS_IF_ERROR(
             statusTFromBinderStatus(mModule->getAudioPatches(&patches)));  // OK if empty
@@ -357,12 +316,14 @@
             this, getClassName().c_str(), __func__, aidlHandle, aidlDevice.toString().c_str(),
             aidlFlags.toString().c_str(), toString(aidlSource).c_str(),
             aidlConfig->toString().c_str(), mixPortConfig->toString().c_str());
+    resetUnusedPatchesAndPortConfigs();
     const bool isInput = aidlFlags.getTag() == AudioIoFlags::Tag::input;
     // Find / create AudioPortConfigs for the device port and the mix port,
     // then find / create a patch between them, and open a stream on the mix port.
     AudioPortConfig devicePortConfig;
     bool created = false;
-    RETURN_STATUS_IF_ERROR(findOrCreatePortConfig(aidlDevice, &devicePortConfig, &created));
+    RETURN_STATUS_IF_ERROR(findOrCreatePortConfig(aidlDevice, aidlConfig,
+                                                  &devicePortConfig, &created));
     if (created) {
         cleanups->emplace_front(this, &DeviceHalAidl::resetPortConfig, devicePortConfig.id);
     }
@@ -888,8 +849,8 @@
         media::audio::common::AudioMMapPolicyType policyType,
         std::vector<media::audio::common::AudioMMapPolicyInfo>* policyInfos) {
     TIME_CHECK();
-    AudioMMapPolicyType mmapPolicyType =
-            VALUE_OR_RETURN_STATUS(cpp2ndk_Enum<AudioMMapPolicyType>(policyType));
+    AudioMMapPolicyType mmapPolicyType = VALUE_OR_RETURN_STATUS(
+            cpp2ndk_AudioMMapPolicyType(policyType));
 
     std::vector<AudioMMapPolicyInfo> mmapPolicyInfos;
 
@@ -966,12 +927,32 @@
     return OK;
 }
 
+status_t DeviceHalAidl::prepareToDisconnectExternalDevice(const struct audio_port_v7* port) {
+    // There is not AIDL API defined for `prepareToDisconnectExternalDevice`.
+    // Call `setConnectedState` instead.
+    // TODO(b/279824103): call prepareToDisconnectExternalDevice when it is added.
+    const status_t status = setConnectedState(port, false /*connected*/);
+    if (status == NO_ERROR) {
+        mDeviceDisconnectionNotified.insert(port->id);
+    }
+    return status;
+}
+
 status_t DeviceHalAidl::setConnectedState(const struct audio_port_v7 *port, bool connected) {
     TIME_CHECK();
     if (!mModule) return NO_INIT;
     if (port == nullptr) {
         return BAD_VALUE;
     }
+    if (!connected && mDeviceDisconnectionNotified.erase(port->id) > 0) {
+        // For device disconnection, APM will first call `prepareToDisconnectExternalDevice`
+        // and then call `setConnectedState`. However, there is no API for
+        // `prepareToDisconnectExternalDevice` yet. In that case, `setConnectedState` will be
+        // called when calling `prepareToDisconnectExternalDevice`. Do not call to the HAL if
+        // previous call is successful. Also remove the cache here to avoid a large cache after
+        // a long run.
+        return NO_ERROR;
+    }
     bool isInput = VALUE_OR_RETURN_STATUS(::aidl::android::portDirection(port->role, port->type)) ==
             ::aidl::android::AudioPortDirection::INPUT;
     AudioPort aidlPort = VALUE_OR_RETURN_STATUS(
@@ -1109,7 +1090,7 @@
     return OK;
 }
 
-status_t DeviceHalAidl::findOrCreatePortConfig(const AudioDevice& device,
+status_t DeviceHalAidl::findOrCreatePortConfig(const AudioDevice& device, const AudioConfig* config,
         AudioPortConfig* portConfig, bool* created) {
     auto portConfigIt = findPortConfig(device);
     if (portConfigIt == mPortConfigs.end()) {
@@ -1121,6 +1102,9 @@
         }
         AudioPortConfig requestedPortConfig;
         requestedPortConfig.portId = portsIt->first;
+        if (config != nullptr) {
+            setPortConfigFromConfig(&requestedPortConfig, *config);
+        }
         RETURN_STATUS_IF_ERROR(createOrUpdatePortConfig(requestedPortConfig, &portConfigIt,
                 created));
     } else {
@@ -1223,7 +1207,8 @@
                 portConfig, created);
     } else if (requestedPortConfig.ext.getTag() == Tag::device) {
         return findOrCreatePortConfig(
-                requestedPortConfig.ext.get<Tag::device>().device, portConfig, created);
+                requestedPortConfig.ext.get<Tag::device>().device, nullptr /*config*/,
+                portConfig, created);
     }
     ALOGW("%s: unsupported audio port config: %s",
             __func__, requestedPortConfig.toString().c_str());
@@ -1252,7 +1237,6 @@
             [&](const auto& pair) { return audioDeviceMatches(device, pair.second); });
 }
 
-
 DeviceHalAidl::Ports::iterator DeviceHalAidl::findPort(
             const AudioConfig& config, const AudioIoFlags& flags,
             const std::set<int32_t>& destinationPortIds) {
@@ -1265,10 +1249,20 @@
                         std::find(prof.sampleRates.begin(), prof.sampleRates.end(),
                                 config.base.sampleRate) != prof.sampleRates.end());
     };
+    static const std::vector<AudioOutputFlags> kOptionalOutputFlags{AudioOutputFlags::BIT_PERFECT};
+    int optionalFlags = 0;
+    auto flagMatches = [&flags, &optionalFlags](const AudioIoFlags& portFlags) {
+        // Ports should be able to match if the optional flags are not requested.
+        return portFlags == flags ||
+               (portFlags.getTag() == AudioIoFlags::Tag::output &&
+                        AudioIoFlags::make<AudioIoFlags::Tag::output>(
+                                portFlags.get<AudioIoFlags::Tag::output>() &
+                                        ~optionalFlags) == flags);
+    };
     auto matcher = [&](const auto& pair) {
         const auto& p = pair.second;
         return p.ext.getTag() == AudioPortExt::Tag::mix &&
-                p.flags == flags &&
+                flagMatches(p.flags) &&
                 (destinationPortIds.empty() ||
                         std::any_of(destinationPortIds.begin(), destinationPortIds.end(),
                                 [&](const int32_t destId) { return mRoutingMatrix.count(
@@ -1276,7 +1270,24 @@
                 (p.profiles.empty() ||
                         std::find_if(p.profiles.begin(), p.profiles.end(), belongsToProfile) !=
                         p.profiles.end()); };
-    return std::find_if(mPorts.begin(), mPorts.end(), matcher);
+    auto result = std::find_if(mPorts.begin(), mPorts.end(), matcher);
+    if (result == mPorts.end() && flags.getTag() == AudioIoFlags::Tag::output) {
+        auto optionalOutputFlagsIt = kOptionalOutputFlags.begin();
+        while (result == mPorts.end() && optionalOutputFlagsIt != kOptionalOutputFlags.end()) {
+            if (isBitPositionFlagSet(
+                        flags.get<AudioIoFlags::Tag::output>(), *optionalOutputFlagsIt)) {
+                // If the flag is set by the request, it must be matched.
+                ++optionalOutputFlagsIt;
+                continue;
+            }
+            optionalFlags |= makeBitPositionFlagMask(*optionalOutputFlagsIt++);
+            result = std::find_if(mPorts.begin(), mPorts.end(), matcher);
+            ALOGI("%s: port for config %s, flags %s was not found in the module %s, "
+                  "retried with excluding optional flags %#x", __func__, config.toString().c_str(),
+                    flags.toString().c_str(), mInstance.c_str(), optionalFlags);
+        }
+    }
+    return result;
 }
 
 DeviceHalAidl::PortConfigs::iterator DeviceHalAidl::findPortConfig(const AudioDevice& device) {
@@ -1358,18 +1369,20 @@
         for (int32_t id : p.second.sourcePortConfigIds) portConfigIds.erase(id);
         for (int32_t id : p.second.sinkPortConfigIds) portConfigIds.erase(id);
     }
+    for (int32_t id : mInitialPortConfigIds) {
+        portConfigIds.erase(id);
+    }
     for (int32_t id : portConfigIds) resetPortConfig(id);
 }
 
 status_t DeviceHalAidl::updateRoutes() {
     TIME_CHECK();
-    std::vector<AudioRoute> routes;
     RETURN_STATUS_IF_ERROR(
-            statusTFromBinderStatus(mModule->getAudioRoutes(&routes)));
-    ALOGW_IF(routes.empty(), "%s: module %s returned an empty list of audio routes",
+            statusTFromBinderStatus(mModule->getAudioRoutes(&mRoutes)));
+    ALOGW_IF(mRoutes.empty(), "%s: module %s returned an empty list of audio routes",
             __func__, mInstance.c_str());
     mRoutingMatrix.clear();
-    for (const auto& r : routes) {
+    for (const auto& r : mRoutes) {
         for (auto portId : r.sourcePortIds) {
             mRoutingMatrix.emplace(r.sinkPortId, portId);
             mRoutingMatrix.emplace(portId, r.sinkPortId);
diff --git a/media/libaudiohal/impl/DeviceHalAidl.h b/media/libaudiohal/impl/DeviceHalAidl.h
index e4d5ec6..f2c64de 100644
--- a/media/libaudiohal/impl/DeviceHalAidl.h
+++ b/media/libaudiohal/impl/DeviceHalAidl.h
@@ -69,6 +69,10 @@
 class DeviceHalAidl : public DeviceHalInterface, public ConversionHelperAidl,
                       public CallbackBroker, public MicrophoneInfoProvider {
   public:
+    status_t getAudioPorts(std::vector<media::audio::common::AudioPort> *ports) override;
+
+    status_t getAudioRoutes(std::vector<media::AudioRoute> *routes) override;
+
     // Sets the value of 'devices' to a bitmask of 1 or more values of audio_devices_t.
     status_t getSupportedDevices(uint32_t *devices) override;
 
@@ -161,6 +165,8 @@
     status_t getSoundDoseInterface(const std::string& module,
                                    ::ndk::SpAIBinder* soundDoseBinder) override;
 
+    status_t prepareToDisconnectExternalDevice(const struct audio_port_v7 *port) override;
+
     status_t setConnectedState(const struct audio_port_v7 *port, bool connected) override;
 
     status_t setSimulateDeviceConnections(bool enabled) override;
@@ -185,6 +191,7 @@
     using PortConfigs = std::map<int32_t /*port config ID*/,
             ::aidl::android::media::audio::common::AudioPortConfig>;
     using Ports = std::map<int32_t /*port ID*/, ::aidl::android::media::audio::common::AudioPort>;
+    using Routes = std::vector<::aidl::android::hardware::audio::core::AudioRoute>;
     // Answers the question "whether portID 'first' is reachable from portID 'second'?"
     // It's not a map because both portIDs are known. The matrix is symmetric.
     using RoutingMatrix = std::set<std::pair<int32_t, int32_t>>;
@@ -215,6 +222,7 @@
         ::aidl::android::hardware::audio::core::AudioPatch* patch, bool* created);
     status_t findOrCreatePortConfig(
             const ::aidl::android::media::audio::common::AudioDevice& device,
+            const ::aidl::android::media::audio::common::AudioConfig* config,
             ::aidl::android::media::audio::common::AudioPortConfig* portConfig,
             bool* created);
     status_t findOrCreatePortConfig(
@@ -284,12 +292,15 @@
     int32_t mDefaultInputPortId = -1;
     int32_t mDefaultOutputPortId = -1;
     PortConfigs mPortConfigs;
+    std::set<int32_t> mInitialPortConfigIds;
     Patches mPatches;
+    Routes mRoutes;
     RoutingMatrix mRoutingMatrix;
     Streams mStreams;
     Microphones mMicrophones;
     std::mutex mLock;
     std::map<void*, Callbacks> mCallbacks GUARDED_BY(mLock);
+    std::set<audio_port_handle_t> mDeviceDisconnectionNotified;
 };
 
 } // namespace android
diff --git a/media/libaudiohal/impl/DeviceHalHidl.cpp b/media/libaudiohal/impl/DeviceHalHidl.cpp
index e0b1afb..d67cbdc 100644
--- a/media/libaudiohal/impl/DeviceHalHidl.cpp
+++ b/media/libaudiohal/impl/DeviceHalHidl.cpp
@@ -104,6 +104,15 @@
     }
 }
 
+status_t DeviceHalHidl::getAudioPorts(
+        std::vector<media::audio::common::AudioPort> *ports __unused) {
+    return INVALID_OPERATION;
+}
+
+status_t DeviceHalHidl::getAudioRoutes(std::vector<media::AudioRoute> *routes __unused) {
+    return INVALID_OPERATION;
+}
+
 status_t DeviceHalHidl::getSupportedDevices(uint32_t*) {
     // Obsolete.
     return INVALID_OPERATION;
@@ -430,6 +439,7 @@
 
 template <typename HalPort>
 status_t DeviceHalHidl::getAudioPortImpl(HalPort *port) {
+    using ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::AudioPort;
     if (mDevice == 0) return NO_INIT;
     AudioPort hidlPort;
     HidlUtils::audioPortFromHal(*port, &hidlPort);
@@ -472,6 +482,7 @@
 }
 
 status_t DeviceHalHidl::setAudioPortConfig(const struct audio_port_config *config) {
+    using ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::AudioPortConfig;
     TIME_CHECK();
     if (mDevice == 0) return NO_INIT;
     AudioPortConfig hidlConfig;
@@ -535,9 +546,29 @@
 }
 #endif
 
+status_t DeviceHalHidl::prepareToDisconnectExternalDevice(const struct audio_port_v7* port) {
+    // For HIDL HAL, there is not API to call notify the HAL to prepare for device connected
+    // state changed. Call `setConnectedState` directly.
+    const status_t status = setConnectedState(port, false /*connected*/);
+    if (status == NO_ERROR) {
+        // Cache the port id so that it won't disconnect twice.
+        mDeviceDisconnectionNotified.insert(port->id);
+    }
+    return status;
+}
+
 status_t DeviceHalHidl::setConnectedState(const struct audio_port_v7 *port, bool connected) {
+    using ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::AudioPort;
     TIME_CHECK();
     if (mDevice == 0) return NO_INIT;
+    if (!connected && mDeviceDisconnectionNotified.erase(port->id) > 0) {
+        // For device disconnection, APM will first call `prepareToDisconnectExternalDevice` and
+        // then call `setConnectedState`. However, in HIDL HAL, there is no API for
+        // `prepareToDisconnectExternalDevice`. In that case, HIDL HAL will call `setConnectedState`
+        // when calling `prepareToDisconnectExternalDevice`. Do not call to the HAL if previous
+        // call is successful. Also remove the cache here to avoid a large cache after a long run.
+        return NO_ERROR;
+    }
 #if MAJOR_VERSION == 7 && MINOR_VERSION == 1
     if (supportsSetConnectedState7_1) {
         AudioPort hidlPort;
diff --git a/media/libaudiohal/impl/DeviceHalHidl.h b/media/libaudiohal/impl/DeviceHalHidl.h
index afaad51..7222f03 100644
--- a/media/libaudiohal/impl/DeviceHalHidl.h
+++ b/media/libaudiohal/impl/DeviceHalHidl.h
@@ -29,6 +29,10 @@
 class DeviceHalHidl : public DeviceHalInterface, public CoreConversionHelperHidl
 {
   public:
+    status_t getAudioPorts(std::vector<media::audio::common::AudioPort> *ports) override;
+
+    status_t getAudioRoutes(std::vector<media::AudioRoute> *routes) override;
+
     // Sets the value of 'devices' to a bitmask of 1 or more values of audio_devices_t.
     status_t getSupportedDevices(uint32_t *devices) override;
 
@@ -138,6 +142,8 @@
     status_t getSoundDoseInterface(const std::string& module,
                                    ::ndk::SpAIBinder* soundDoseBinder) override;
 
+    status_t prepareToDisconnectExternalDevice(const struct audio_port_v7* port) override;
+
   private:
     friend class DevicesFactoryHalHidl;
     sp<::android::hardware::audio::CPP_VERSION::IDevice> mDevice;
@@ -146,6 +152,7 @@
     bool supportsSetConnectedState7_1 = true;
     class SoundDoseWrapper;
     const std::unique_ptr<SoundDoseWrapper> mSoundDoseWrapper;
+    std::set<audio_port_handle_t> mDeviceDisconnectionNotified;
 
     // Can not be constructed directly by clients.
     explicit DeviceHalHidl(const sp<::android::hardware::audio::CPP_VERSION::IDevice>& device);
diff --git a/media/libaudiohal/impl/DevicesFactoryHalAidl.cpp b/media/libaudiohal/impl/DevicesFactoryHalAidl.cpp
index 2eaaf5d..8345cd2 100644
--- a/media/libaudiohal/impl/DevicesFactoryHalAidl.cpp
+++ b/media/libaudiohal/impl/DevicesFactoryHalAidl.cpp
@@ -14,26 +14,67 @@
  * limitations under the License.
  */
 
+#include <memory>
+
 #define LOG_TAG "DevicesFactoryHalAidl"
 //#define LOG_NDEBUG 0
 
 #include <aidl/android/hardware/audio/core/IModule.h>
 #include <android/binder_manager.h>
 #include <binder/IServiceManager.h>
-#include <memory>
+#include <media/AidlConversionNdkCpp.h>
+#include <media/AidlConversionUtil.h>
 #include <utils/Log.h>
 
 #include "DeviceHalAidl.h"
 #include "DevicesFactoryHalAidl.h"
 
-using namespace ::aidl::android::hardware::audio::core;
+using aidl::android::aidl_utils::statusTFromBinderStatus;
+using aidl::android::hardware::audio::core::IConfig;
+using aidl::android::hardware::audio::core::IModule;
+using aidl::android::hardware::audio::core::SurroundSoundConfig;
+using aidl::android::media::audio::common::AudioHalEngineConfig;
 using ::android::detail::AudioHalVersionInfo;
 
 namespace android {
 
-DevicesFactoryHalAidl::DevicesFactoryHalAidl(std::shared_ptr<IConfig> iconfig)
-    : mIConfig(std::move(iconfig)) {
-    ALOG_ASSERT(iconfig != nullptr, "Provided default IConfig service is NULL");
+namespace {
+
+ConversionResult<media::SurroundSoundConfig::SurroundFormatFamily>
+ndk2cpp_SurroundSoundConfigFormatFamily(const SurroundSoundConfig::SurroundFormatFamily& ndk) {
+    media::SurroundSoundConfig::SurroundFormatFamily cpp;
+    cpp.primaryFormat = VALUE_OR_RETURN(ndk2cpp_AudioFormatDescription(ndk.primaryFormat));
+    cpp.subFormats = VALUE_OR_RETURN(::aidl::android::convertContainer<std::vector<
+            media::audio::common::AudioFormatDescription>>(ndk.subFormats,
+                    ndk2cpp_AudioFormatDescription));
+    return cpp;
+}
+
+ConversionResult<media::SurroundSoundConfig>
+ndk2cpp_SurroundSoundConfig(const SurroundSoundConfig& ndk) {
+    media::SurroundSoundConfig cpp;
+    cpp.formatFamilies = VALUE_OR_RETURN(::aidl::android::convertContainer<std::vector<
+            media::SurroundSoundConfig::SurroundFormatFamily>>(ndk.formatFamilies,
+                    ndk2cpp_SurroundSoundConfigFormatFamily));
+    return cpp;
+}
+
+}  // namespace
+
+DevicesFactoryHalAidl::DevicesFactoryHalAidl(std::shared_ptr<IConfig> config)
+    : mConfig(std::move(config)) {
+}
+
+status_t DevicesFactoryHalAidl::getDeviceNames(std::vector<std::string> *names) {
+    if (names == nullptr) {
+        return BAD_VALUE;
+    }
+    AServiceManager_forEachDeclaredInstance(IModule::descriptor, static_cast<void*>(names),
+            [](const char* instance, void* context) {
+                if (strcmp(instance, "default") == 0) instance = "primary";
+                static_cast<decltype(names)>(context)->push_back(instance);
+            });
+    return OK;
 }
 
 // Opens a device with the specified name. To close the device, it is
@@ -43,19 +84,22 @@
         return BAD_VALUE;
     }
 
+    // FIXME: Remove this call and the check for the supported module names
+    // after implementing retrieval of module names on the framework side.
+    // Currently it is still using the legacy XML config.
+    std::vector<std::string> deviceNames;
+    if (status_t status = getDeviceNames(&deviceNames); status != OK) {
+        return status;
+    }
     std::shared_ptr<IModule> service;
-    // FIXME: Normally we will list available HAL modules and connect to them,
-    // however currently we still get the list of module names from the config.
-    // Since the example service does not have all modules, the SM will wait
-    // for the missing ones forever.
-    if (strcmp(name, "primary") == 0 || strcmp(name, "r_submix") == 0 || strcmp(name, "usb") == 0) {
+    if (std::find(deviceNames.begin(), deviceNames.end(), name) != deviceNames.end()) {
         if (strcmp(name, "primary") == 0) name = "default";
         auto serviceName = std::string(IModule::descriptor) + "/" + name;
         service = IModule::fromBinder(
                 ndk::SpAIBinder(AServiceManager_waitForService(serviceName.c_str())));
         ALOGE_IF(service == nullptr, "%s fromBinder %s failed", __func__, serviceName.c_str());
     }
-    // If the service is a nullptr, the device will not be really functional,
+    // If the service is a nullptr, the device object will not be really functional,
     // but will not crash either.
     *device = sp<DeviceHalAidl>::make(name, service);
     return OK;
@@ -97,18 +141,28 @@
 
 AudioHalVersionInfo DevicesFactoryHalAidl::getHalVersion() const {
     int32_t versionNumber = 0;
-    if (mIConfig != 0) {
-        if (ndk::ScopedAStatus status = mIConfig->getInterfaceVersion(&versionNumber);
-                !status.isOk()) {
-            ALOGE("%s getInterfaceVersion failed: %s", __func__, status.getDescription().c_str());
-        }
-    } else {
-        ALOGW("%s no IConfig instance", __func__);
+    if (ndk::ScopedAStatus status = mConfig->getInterfaceVersion(&versionNumber); !status.isOk()) {
+        ALOGE("%s getInterfaceVersion failed: %s", __func__, status.getDescription().c_str());
     }
     // AIDL does not have minor version, fill 0 for all versions
     return AudioHalVersionInfo(AudioHalVersionInfo::Type::AIDL, versionNumber);
 }
 
+status_t DevicesFactoryHalAidl::getSurroundSoundConfig(media::SurroundSoundConfig *config) {
+    SurroundSoundConfig ndkConfig;
+    RETURN_STATUS_IF_ERROR(statusTFromBinderStatus(mConfig->getSurroundSoundConfig(&ndkConfig)));
+    *config = VALUE_OR_RETURN_STATUS(ndk2cpp_SurroundSoundConfig(ndkConfig));
+    return OK;
+}
+
+status_t DevicesFactoryHalAidl::getEngineConfig(
+        media::audio::common::AudioHalEngineConfig *config) {
+    AudioHalEngineConfig ndkConfig;
+    RETURN_STATUS_IF_ERROR(statusTFromBinderStatus(mConfig->getEngineConfig(&ndkConfig)));
+    *config = VALUE_OR_RETURN_STATUS(ndk2cpp_AudioHalEngineConfig(ndkConfig));
+    return OK;
+}
+
 // Main entry-point to the shared library.
 extern "C" __attribute__((visibility("default"))) void* createIDevicesFactoryImpl() {
     auto serviceName = std::string(IConfig::descriptor) + "/default";
diff --git a/media/libaudiohal/impl/DevicesFactoryHalAidl.h b/media/libaudiohal/impl/DevicesFactoryHalAidl.h
index cb627bc..21957bc 100644
--- a/media/libaudiohal/impl/DevicesFactoryHalAidl.h
+++ b/media/libaudiohal/impl/DevicesFactoryHalAidl.h
@@ -26,7 +26,9 @@
 {
   public:
     explicit DevicesFactoryHalAidl(
-            std::shared_ptr<::aidl::android::hardware::audio::core::IConfig> iConfig);
+            std::shared_ptr<::aidl::android::hardware::audio::core::IConfig> config);
+
+    status_t getDeviceNames(std::vector<std::string> *names) override;
 
     // Opens a device with the specified name. To close the device, it is
     // necessary to release references to the returned object.
@@ -38,8 +40,12 @@
 
     android::detail::AudioHalVersionInfo getHalVersion() const override;
 
+    status_t getSurroundSoundConfig(media::SurroundSoundConfig *config) override;
+
+    status_t getEngineConfig(media::audio::common::AudioHalEngineConfig *config) override;
+
   private:
-    const std::shared_ptr<::aidl::android::hardware::audio::core::IConfig> mIConfig;
+    const std::shared_ptr<::aidl::android::hardware::audio::core::IConfig> mConfig;
     ~DevicesFactoryHalAidl() = default;
 };
 
diff --git a/media/libaudiohal/impl/DevicesFactoryHalHidl.cpp b/media/libaudiohal/impl/DevicesFactoryHalHidl.cpp
index 9f06f83..eef60b5 100644
--- a/media/libaudiohal/impl/DevicesFactoryHalHidl.cpp
+++ b/media/libaudiohal/impl/DevicesFactoryHalHidl.cpp
@@ -106,6 +106,10 @@
 }
 #endif
 
+status_t DevicesFactoryHalHidl::getDeviceNames(std::vector<std::string> *names __unused) {
+    return INVALID_OPERATION;
+}
+
 status_t DevicesFactoryHalHidl::openDevice(const char *name, sp<DeviceHalInterface> *device) {
     auto factories = copyDeviceFactories();
     if (factories.empty()) return NO_INIT;
@@ -232,6 +236,16 @@
     return AudioHalVersionInfo(AudioHalVersionInfo::Type::HIDL, MAJOR_VERSION, MINOR_VERSION);
 }
 
+status_t DevicesFactoryHalHidl::getSurroundSoundConfig(
+        media::SurroundSoundConfig *config __unused) {
+    return INVALID_OPERATION;
+}
+
+status_t DevicesFactoryHalHidl::getEngineConfig(
+        media::audio::common::AudioHalEngineConfig *config __unused) {
+    return INVALID_OPERATION;
+}
+
 // Main entry-point to the shared library.
 extern "C" __attribute__((visibility("default"))) void* createIDevicesFactoryImpl() {
     auto service = hardware::audio::CPP_VERSION::IDevicesFactory::getService();
diff --git a/media/libaudiohal/impl/DevicesFactoryHalHidl.h b/media/libaudiohal/impl/DevicesFactoryHalHidl.h
index 5294728..3285af7 100644
--- a/media/libaudiohal/impl/DevicesFactoryHalHidl.h
+++ b/media/libaudiohal/impl/DevicesFactoryHalHidl.h
@@ -37,6 +37,8 @@
     explicit DevicesFactoryHalHidl(sp<IDevicesFactory> devicesFactory);
     void onFirstRef() override;
 
+    status_t getDeviceNames(std::vector<std::string> *names) override;
+
     // Opens a device with the specified name. To close the device, it is
     // necessary to release references to the returned object.
     status_t openDevice(const char *name, sp<DeviceHalInterface> *device) override;
@@ -47,6 +49,10 @@
 
     android::detail::AudioHalVersionInfo getHalVersion() const override;
 
+    status_t getSurroundSoundConfig(media::SurroundSoundConfig *config) override;
+
+    status_t getEngineConfig(media::audio::common::AudioHalEngineConfig *config) override;
+
   private:
     friend class ServiceNotificationListener;
     void addDeviceFactory(sp<IDevicesFactory> factory, bool needToNotify);
diff --git a/media/libaudiohal/impl/EffectsFactoryHalAidl.cpp b/media/libaudiohal/impl/EffectsFactoryHalAidl.cpp
index bc05aa0..0dcb8ee 100644
--- a/media/libaudiohal/impl/EffectsFactoryHalAidl.cpp
+++ b/media/libaudiohal/impl/EffectsFactoryHalAidl.cpp
@@ -23,6 +23,7 @@
 //#define LOG_NDEBUG 0
 
 #include <error/expected_utils.h>
+#include <aidl/android/media/audio/common/AudioStreamType.h>
 #include <android/binder_manager.h>
 #include <media/AidlConversionCppNdk.h>
 #include <media/AidlConversionEffect.h>
@@ -35,11 +36,13 @@
 #include "EffectsFactoryHalAidl.h"
 
 using ::aidl::android::legacy2aidl_audio_uuid_t_AudioUuid;
-using aidl::android::aidl_utils::statusTFromBinderStatus;
-using aidl::android::hardware::audio::effect::Descriptor;
-using aidl::android::hardware::audio::effect::IFactory;
-using aidl::android::media::audio::common::AudioUuid;
-using android::detail::AudioHalVersionInfo;
+using ::aidl::android::aidl_utils::statusTFromBinderStatus;
+using ::aidl::android::hardware::audio::effect::Descriptor;
+using ::aidl::android::hardware::audio::effect::IFactory;
+using ::aidl::android::hardware::audio::effect::Processing;
+using ::aidl::android::media::audio::common::AudioUuid;
+using ::android::base::unexpected;
+using ::android::detail::AudioHalVersionInfo;
 
 namespace android {
 namespace effect {
@@ -92,7 +95,8 @@
                        [](const Descriptor& desc) { return !desc.common.id.proxy.has_value(); });
           return list;
       }()),
-      mEffectCount(mNonProxyDescList.size() + mProxyDescList.size()) {
+      mEffectCount(mNonProxyDescList.size() + mProxyDescList.size()),
+      mEffectProcessings(nullptr /* TODO: add AIDL implementation */) {
     ALOG_ASSERT(mFactory != nullptr, "Provided IEffectsFactory service is NULL");
     ALOGI("%s with %zu nonProxyEffects and %zu proxyEffects", __func__, mNonProxyDescList.size(),
           mProxyDescList.size());
@@ -269,6 +273,19 @@
     return 0 != mUuidProxyMap.count(uuid);
 }
 
+std::shared_ptr<const effectsConfig::Processings> EffectsFactoryHalAidl::getProcessings() const {
+    return mEffectProcessings;
+}
+
+::android::error::Result<size_t> EffectsFactoryHalAidl::getSkippedElements() const {
+    if (!mEffectProcessings) {
+        return ::android::base::unexpected(BAD_VALUE);
+    }
+
+    // Only return 0 for AIDL, because the AIDL interface doesn't aware of configuration file
+    return 0;
+}
+
 } // namespace effect
 
 // When a shared library is built from a static library, even explicit
diff --git a/media/libaudiohal/impl/EffectsFactoryHalAidl.h b/media/libaudiohal/impl/EffectsFactoryHalAidl.h
index debfacf..70a7012 100644
--- a/media/libaudiohal/impl/EffectsFactoryHalAidl.h
+++ b/media/libaudiohal/impl/EffectsFactoryHalAidl.h
@@ -62,6 +62,10 @@
 
     detail::AudioHalVersionInfo getHalVersion() const override;
 
+    std::shared_ptr<const effectsConfig::Processings> getProcessings() const override;
+
+    ::android::error::Result<size_t> getSkippedElements() const override;
+
   private:
     const std::shared_ptr<IFactory> mFactory;
     const detail::AudioHalVersionInfo mHalVersion;
@@ -77,6 +81,8 @@
     const std::vector<Descriptor> mNonProxyDescList;
     // total number of effects including proxy effects
     const size_t mEffectCount;
+    // Query result of pre and post processing from effect factory
+    const std::shared_ptr<const effectsConfig::Processings> mEffectProcessings;
 
     std::mutex mLock;
     uint64_t mEffectIdCounter GUARDED_BY(mLock) = 0;  // Align with HIDL (0 is INVALID_ID)
diff --git a/media/libaudiohal/impl/EffectsFactoryHalHidl.cpp b/media/libaudiohal/impl/EffectsFactoryHalHidl.cpp
index 172ebdf..210c4b5 100644
--- a/media/libaudiohal/impl/EffectsFactoryHalHidl.cpp
+++ b/media/libaudiohal/impl/EffectsFactoryHalHidl.cpp
@@ -33,10 +33,11 @@
 
 #include "android/media/AudioHalVersion.h"
 
+using ::android::base::unexpected;
 using ::android::detail::AudioHalVersionInfo;
+using ::android::hardware::Return;
 using ::android::hardware::audio::common::CPP_VERSION::implementation::UuidUtils;
 using ::android::hardware::audio::effect::CPP_VERSION::implementation::EffectUtils;
-using ::android::hardware::Return;
 
 namespace android {
 namespace effect {
@@ -78,9 +79,11 @@
 }
 
 EffectsFactoryHalHidl::EffectsFactoryHalHidl(sp<IEffectsFactory> effectsFactory)
-        : EffectConversionHelperHidl("EffectsFactory"), mCache(new EffectDescriptorCache) {
-    ALOG_ASSERT(effectsFactory != nullptr, "Provided IEffectsFactory service is NULL");
-    mEffectsFactory = std::move(effectsFactory);
+    : EffectConversionHelperHidl("EffectsFactory"),
+      mEffectsFactory(std::move(effectsFactory)),
+      mCache(new EffectDescriptorCache),
+      mParsingResult(effectsConfig::parse()) {
+    ALOG_ASSERT(mEffectsFactory != nullptr, "Provided IEffectsFactory service is NULL");
 }
 
 status_t EffectsFactoryHalHidl::queryNumberEffects(uint32_t *pNumEffects) {
@@ -228,6 +231,17 @@
     return AudioHalVersionInfo(AudioHalVersionInfo::Type::HIDL, MAJOR_VERSION, MINOR_VERSION);
 }
 
+std::shared_ptr<const effectsConfig::Processings> EffectsFactoryHalHidl::getProcessings() const {
+    return mParsingResult.parsedConfig;
+}
+
+::android::error::Result<size_t> EffectsFactoryHalHidl::getSkippedElements() const {
+    if (!mParsingResult.parsedConfig) {
+        return ::android::base::unexpected(BAD_VALUE);
+    }
+    return mParsingResult.nbSkippedElement;
+}
+
 } // namespace effect
 
 // When a shared library is built from a static library, even explicit
diff --git a/media/libaudiohal/impl/EffectsFactoryHalHidl.h b/media/libaudiohal/impl/EffectsFactoryHalHidl.h
index 9875154..4110ba3 100644
--- a/media/libaudiohal/impl/EffectsFactoryHalHidl.h
+++ b/media/libaudiohal/impl/EffectsFactoryHalHidl.h
@@ -17,6 +17,7 @@
 #pragma once
 
 #include <memory>
+#include <vector>
 
 #include PATH(android/hardware/audio/effect/FILE_VERSION/IEffectsFactory.h)
 #include <media/audiohal/EffectsFactoryHalInterface.h>
@@ -62,9 +63,19 @@
 
     android::detail::AudioHalVersionInfo getHalVersion() const override;
 
+    std::shared_ptr<const effectsConfig::Processings> getProcessings() const override;
+
+    ::android::error::Result<size_t> getSkippedElements() const override;
+
   private:
-    sp<IEffectsFactory> mEffectsFactory;
-    std::unique_ptr<EffectDescriptorCache> mCache;
+    const sp<IEffectsFactory> mEffectsFactory;
+    const std::unique_ptr<EffectDescriptorCache> mCache;
+    /**
+     * Configuration file parser result, used by getProcessings() and getConfigParseResult().
+     * This struct holds the result of parsing a configuration file. The result includes the parsed
+     * configuration data, as well as any errors that occurred during parsing.
+     */
+    const effectsConfig::ParsingResult mParsingResult;
 };
 
 } // namespace effect
diff --git a/media/libaudiohal/include/media/audiohal/DeviceHalInterface.h b/media/libaudiohal/include/media/audiohal/DeviceHalInterface.h
index e8d8998..45f2922 100644
--- a/media/libaudiohal/include/media/audiohal/DeviceHalInterface.h
+++ b/media/libaudiohal/include/media/audiohal/DeviceHalInterface.h
@@ -19,6 +19,8 @@
 
 #include <android/media/audio/common/AudioMMapPolicyInfo.h>
 #include <android/media/audio/common/AudioMMapPolicyType.h>
+#include <android/media/audio/common/AudioPort.h>
+#include <android/media/AudioRoute.h>
 #include <error/Result.h>
 #include <media/audiohal/EffectHalInterface.h>
 #include <system/audio.h>
@@ -38,6 +40,10 @@
 class DeviceHalInterface : public virtual RefBase
 {
   public:
+    virtual status_t getAudioPorts(std::vector<media::audio::common::AudioPort> *ports) = 0;
+
+    virtual status_t getAudioRoutes(std::vector<media::AudioRoute> *routes) = 0;
+
     // Sets the value of 'devices' to a bitmask of 1 or more values of audio_devices_t.
     virtual status_t getSupportedDevices(uint32_t *devices) = 0;
 
@@ -149,6 +155,8 @@
     virtual status_t getSoundDoseInterface(const std::string& module,
                                            ::ndk::SpAIBinder* soundDoseBinder) = 0;
 
+    virtual status_t prepareToDisconnectExternalDevice(const struct audio_port_v7* port) = 0;
+
   protected:
     // Subclasses can not be constructed directly by clients.
     DeviceHalInterface() {}
diff --git a/media/libaudiohal/include/media/audiohal/DevicesFactoryHalInterface.h b/media/libaudiohal/include/media/audiohal/DevicesFactoryHalInterface.h
index be3a723..8397e9b 100644
--- a/media/libaudiohal/include/media/audiohal/DevicesFactoryHalInterface.h
+++ b/media/libaudiohal/include/media/audiohal/DevicesFactoryHalInterface.h
@@ -16,6 +16,8 @@
 
 #pragma once
 
+#include <android/media/audio/common/AudioHalEngineConfig.h>
+#include <android/media/SurroundSoundConfig.h>
 #include <media/audiohal/DeviceHalInterface.h>
 #include <utils/Errors.h>
 #include <utils/RefBase.h>
@@ -34,6 +36,8 @@
 class DevicesFactoryHalInterface : public RefBase
 {
   public:
+    virtual status_t getDeviceNames(std::vector<std::string> *names) = 0;
+
     // Opens a device with the specified name. To close the device, it is
     // necessary to release references to the returned object.
     virtual status_t openDevice(const char *name, sp<DeviceHalInterface> *device) = 0;
@@ -46,6 +50,10 @@
 
     virtual android::detail::AudioHalVersionInfo getHalVersion() const = 0;
 
+    virtual status_t getSurroundSoundConfig(media::SurroundSoundConfig *config) = 0;
+
+    virtual status_t getEngineConfig(media::audio::common::AudioHalEngineConfig *config) = 0;
+
     static sp<DevicesFactoryHalInterface> create();
 
   protected:
diff --git a/media/libaudiohal/include/media/audiohal/EffectsFactoryHalInterface.h b/media/libaudiohal/include/media/audiohal/EffectsFactoryHalInterface.h
index d740fe9..832df18 100644
--- a/media/libaudiohal/include/media/audiohal/EffectsFactoryHalInterface.h
+++ b/media/libaudiohal/include/media/audiohal/EffectsFactoryHalInterface.h
@@ -15,8 +15,10 @@
  */
 
 #pragma once
+#include <vector>
 
 #include <media/audiohal/EffectHalInterface.h>
+#include <media/EffectsConfig.h>
 #include <system/audio_effect.h>
 #include <utils/Errors.h>
 #include <utils/RefBase.h>
@@ -33,21 +35,24 @@
     virtual status_t queryNumberEffects(uint32_t *pNumEffects) = 0;
 
     // Returns a descriptor of the next available effect.
-    virtual status_t getDescriptor(uint32_t index,
-            effect_descriptor_t *pDescriptor) = 0;
+    virtual status_t getDescriptor(uint32_t index, effect_descriptor_t* pDescriptor) = 0;
 
-    virtual status_t getDescriptor(const effect_uuid_t *pEffectUuid,
-            effect_descriptor_t *pDescriptor) = 0;
+    virtual status_t getDescriptor(const effect_uuid_t* pEffectUuid,
+                                   effect_descriptor_t* pDescriptor) = 0;
 
     virtual status_t getDescriptors(const effect_uuid_t *pEffectType,
                                     std::vector<effect_descriptor_t> *descriptors) = 0;
 
+    virtual std::shared_ptr<const effectsConfig::Processings> getProcessings() const = 0;
+
+    // status_t if parser return error, skipped elements if parsing result is OK (always 0 for AIDL)
+    virtual error::Result<size_t> getSkippedElements() const = 0;
+
     // Creates an effect engine of the specified type.
     // To release the effect engine, it is necessary to release references
     // to the returned effect object.
-    virtual status_t createEffect(const effect_uuid_t *pEffectUuid,
-            int32_t sessionId, int32_t ioId, int32_t deviceId,
-            sp<EffectHalInterface> *effect) = 0;
+    virtual status_t createEffect(const effect_uuid_t* pEffectUuid, int32_t sessionId, int32_t ioId,
+                                  int32_t deviceId, sp<EffectHalInterface>* effect) = 0;
 
     virtual status_t dumpEffects(int fd) = 0;
 
diff --git a/media/libaudiousecasevalidation/UsecaseValidator.cpp b/media/libaudiousecasevalidation/UsecaseValidator.cpp
index 0e5a824..d62df3a 100644
--- a/media/libaudiousecasevalidation/UsecaseValidator.cpp
+++ b/media/libaudiousecasevalidation/UsecaseValidator.cpp
@@ -99,10 +99,8 @@
 
         audio_attributes_t attrRet = attributes;
 
-        // Check if attribute usage media or unknown has been set.
-        bool isUsageValid = this->isUsageValid(attributes);
-
-        if (isUsageValid && m_lookup.isGameStream(streamId)) {
+        if (isUsageValid(attributes.usage) && isContentTypeValid(attributes.content_type)
+                && areFlagsValid(attributes.flags) && m_lookup.isGameStream(streamId)) {
             ALOGI("%s update usage: %d to AUDIO_USAGE_GAME for output: %d pid: %d package: %s",
                     __func__, attributes.usage, streamId, attributionSource.pid,
                     attributionSource.packageName.value_or("").c_str());
@@ -117,9 +115,9 @@
     /**
      * Check if attribute usage valid.
      */
-    bool isUsageValid(const audio_attributes_t& attr) {
-        ALOGV("isUsageValid attr.usage: %d", attr.usage);
-        switch (attr.usage) {
+    bool isUsageValid(audio_usage_t usage) {
+        ALOGV("isUsageValid usage: %d", usage);
+        switch (usage) {
             case AUDIO_USAGE_MEDIA:
             case AUDIO_USAGE_UNKNOWN:
                 return true;
@@ -129,6 +127,27 @@
         return false;
     }
 
+    bool isContentTypeValid(audio_content_type_t contentType) {
+        ALOGV("isContentTypeValid contentType: %d", contentType);
+        switch (contentType) {
+            case AUDIO_CONTENT_TYPE_MUSIC:
+            case AUDIO_CONTENT_TYPE_MOVIE:
+            case AUDIO_CONTENT_TYPE_UNKNOWN:
+                return true;
+            default:
+                break;
+        }
+        return false;
+    }
+
+    bool areFlagsValid(audio_flags_mask_t flags) {
+        ALOGV("areFlagsValid flags: %#x", flags);
+        if ((flags & AUDIO_FLAG_LOW_LATENCY) != 0) {
+            return true;
+        }
+        return false;
+    }
+
  protected:
     UsecaseLookup m_lookup;
 };
diff --git a/media/libaudiousecasevalidation/tests/UsecaseValidator-test.cpp b/media/libaudiousecasevalidation/tests/UsecaseValidator-test.cpp
index d92c8ba..5768a9b 100644
--- a/media/libaudiousecasevalidation/tests/UsecaseValidator-test.cpp
+++ b/media/libaudiousecasevalidation/tests/UsecaseValidator-test.cpp
@@ -52,10 +52,8 @@
  */
 error::Result<audio_attributes_t> UsecaseValidatorTest::testStartClient(audio_io_handle_t streamId,
         audio_port_handle_t portId,
-        audio_usage_t usage) {
+        audio_attributes_t attributes) {
     content::AttributionSourceState attributionSource;
-    audio_attributes_t attributes = AUDIO_ATTRIBUTES_INITIALIZER;
-    attributes.usage = usage;
 
     return m_validator->startClient(streamId, portId, attributionSource, attributes, NULL);
 }
@@ -141,11 +139,14 @@
     mediaPortId = testCreatePortId(mediaStreamId);
     EXPECT_NE(mediaPortId, 0);
 
+    audio_attributes_t attributes = AUDIO_ATTRIBUTES_INITIALIZER;
+    attributes.usage = AUDIO_USAGE_GAME;
     // Start client on game stream.
-    testStartClient(gameStreamId, gamePortId, AUDIO_USAGE_GAME);
+    testStartClient(gameStreamId, gamePortId, attributes);
 
+    attributes.usage = AUDIO_USAGE_MEDIA;
     // Start client on media stream.
-    testStartClient(mediaStreamId, mediaPortId, AUDIO_USAGE_MEDIA);
+    testStartClient(mediaStreamId, mediaPortId, attributes);
 
     // Unregister media stream before stopClient.
     EXPECT_EQ(m_validator->unregisterStream(gameStreamId), 0);
@@ -175,18 +176,23 @@
     voiceCommPortId = testCreatePortId(gameStreamId);
     EXPECT_NE(voiceCommPortId, 0);
 
+    audio_attributes_t attributes = AUDIO_ATTRIBUTES_INITIALIZER;
     // Verify attributes on game stream.
-    auto attr = testStartClient(gameStreamId, gamePortId, AUDIO_USAGE_GAME);
+    attributes.usage = AUDIO_USAGE_GAME;
+    auto attr = testStartClient(gameStreamId, gamePortId, attributes);
     EXPECT_EQ(attr.value().usage, AUDIO_USAGE_GAME);
 
-    attr = testStartClient(gameStreamId, voiceCommPortId, AUDIO_USAGE_VOICE_COMMUNICATION);
+    attributes.usage = AUDIO_USAGE_VOICE_COMMUNICATION;
+    attr = testStartClient(gameStreamId, voiceCommPortId, attributes);
     EXPECT_EQ(attr.value().usage, AUDIO_USAGE_VOICE_COMMUNICATION);
 
     // Verify attributes on media stream.
-    attr = testStartClient(mediaStreamId, mediaPortId, AUDIO_USAGE_MEDIA);
+    attributes.usage = AUDIO_USAGE_MEDIA;
+    attr = testStartClient(mediaStreamId, mediaPortId, attributes);
     EXPECT_EQ(attr.value().usage, AUDIO_USAGE_MEDIA);
 
-    attr = testStartClient(mediaStreamId, unknownPortId, AUDIO_USAGE_UNKNOWN);
+    attributes.usage = AUDIO_USAGE_UNKNOWN;
+    attr = testStartClient(mediaStreamId, unknownPortId, attributes);
     EXPECT_EQ(attr.value().usage, AUDIO_USAGE_UNKNOWN);
 
     // Stop client on game and media stream.
@@ -215,16 +221,79 @@
     unknownPortId = testCreatePortId(gameStreamId);
     EXPECT_NE(unknownPortId, 0);
 
+    audio_attributes_t attributes = AUDIO_ATTRIBUTES_INITIALIZER;
+    attributes.flags = AUDIO_FLAG_LOW_LATENCY;
     // Verify attributes on game stream.
-    auto attr = testStartClient(gameStreamId, mediaPortId, AUDIO_USAGE_MEDIA);
+    attributes.usage = AUDIO_USAGE_MEDIA;
+    auto attr = testStartClient(gameStreamId, mediaPortId, attributes);
     EXPECT_EQ(attr.value().usage, AUDIO_USAGE_GAME);
 
-    attr = testStartClient(gameStreamId, unknownPortId, AUDIO_USAGE_UNKNOWN);
+    attributes.usage = AUDIO_USAGE_UNKNOWN;
+    attr = testStartClient(gameStreamId, unknownPortId, attributes);
     EXPECT_EQ(attr.value().usage, AUDIO_USAGE_GAME);
 
     // Unregister game stream.
     EXPECT_EQ(m_validator->unregisterStream(gameStreamId), 0);
 }
 
+/**
+ * Verify attributes usage does not change for non low latency clients.
+ */
+TEST_F(UsecaseValidatorTest, testAttributesUsageUnChangedIfNotLowLatency) {
+    audio_io_handle_t gameStreamId;
+    audio_port_handle_t mediaPortId, unknownPortId;
+
+    // Register game and media stream.
+    gameStreamId = testRegisterStream(true);
+    EXPECT_NE(gameStreamId, 0);
+
+    // Assign portId.
+    mediaPortId = testCreatePortId(gameStreamId);
+    EXPECT_NE(mediaPortId, 0);
+    unknownPortId = testCreatePortId(gameStreamId);
+    EXPECT_NE(unknownPortId, 0);
+
+    audio_attributes_t attributes = AUDIO_ATTRIBUTES_INITIALIZER;
+    // Verify attributes on game stream.
+    attributes.usage = AUDIO_USAGE_MEDIA;
+    auto attr = testStartClient(gameStreamId, mediaPortId, attributes);
+    EXPECT_EQ(attr.value().usage, AUDIO_USAGE_MEDIA);
+
+    attributes.usage = AUDIO_USAGE_UNKNOWN;
+    attr = testStartClient(gameStreamId, unknownPortId, attributes);
+    EXPECT_EQ(attr.value().usage, AUDIO_USAGE_UNKNOWN);
+
+    // Unregister game stream.
+    EXPECT_EQ(m_validator->unregisterStream(gameStreamId), 0);
+}
+
+/**
+ * Verify attributes usage does not change for content type speech.
+ */
+TEST_F(UsecaseValidatorTest, testAttributesUsageUnChangedIfSpeech) {
+    audio_io_handle_t gameStreamId;
+    audio_port_handle_t mediaPortId, unknownPortId;
+
+    // Register game and media stream.
+    gameStreamId = testRegisterStream(true);
+    EXPECT_NE(gameStreamId, 0);
+
+    // Assign portId.
+    mediaPortId = testCreatePortId(gameStreamId);
+    EXPECT_NE(mediaPortId, 0);
+    unknownPortId = testCreatePortId(gameStreamId);
+    EXPECT_NE(unknownPortId, 0);
+
+    audio_attributes_t attributes = AUDIO_ATTRIBUTES_INITIALIZER;
+    // Verify attributes on game stream.
+    attributes.usage = AUDIO_USAGE_MEDIA;
+    attributes.content_type = AUDIO_CONTENT_TYPE_SPEECH;
+    auto attr = testStartClient(gameStreamId, mediaPortId, attributes);
+    EXPECT_EQ(attr.value().usage, AUDIO_USAGE_MEDIA);
+
+    // Unregister game stream.
+    EXPECT_EQ(m_validator->unregisterStream(gameStreamId), 0);
+}
+
 }  // namespace media
 }  // namespace android
diff --git a/media/libaudiousecasevalidation/tests/UsecaseValidator-test.h b/media/libaudiousecasevalidation/tests/UsecaseValidator-test.h
index 3159ab4..8cbd0f0 100644
--- a/media/libaudiousecasevalidation/tests/UsecaseValidator-test.h
+++ b/media/libaudiousecasevalidation/tests/UsecaseValidator-test.h
@@ -69,7 +69,7 @@
     audio_port_handle_t testCreatePortId(audio_io_handle_t streamId);
     error::Result<audio_attributes_t> testStartClient(audio_io_handle_t streamId,
                                                       audio_port_handle_t portId,
-                                                      audio_usage_t usage);
+                                                      audio_attributes_t attributes);
     error::Result<audio_attributes_t> testVerifyAudioAttributes(audio_io_handle_t streamId,
                                                                 audio_usage_t usage);
 
diff --git a/media/libeffects/config/Android.bp b/media/libeffects/config/Android.bp
index b02dcb6..293a9c2 100644
--- a/media/libeffects/config/Android.bp
+++ b/media/libeffects/config/Android.bp
@@ -27,8 +27,21 @@
         "libcutils",
     ],
 
-    header_libs: ["libaudio_system_headers"],
-    export_header_lib_headers: ["libaudio_system_headers"],
+    header_libs: [
+        "libaudio_system_headers",
+        "liberror_headers",
+    ],
+
+    export_header_lib_headers: [
+        "libaudio_system_headers",
+        "liberror_headers",
+    ],
+
+    export_include_dirs: ["include"],
+}
+
+cc_library_headers {
+    name: "libeffectsconfig_headers",
 
     export_include_dirs: ["include"],
 }
diff --git a/media/libeffects/config/include/media/EffectsConfig.h b/media/libeffects/config/include/media/EffectsConfig.h
index 57d4dd7..a9730e5 100644
--- a/media/libeffects/config/include/media/EffectsConfig.h
+++ b/media/libeffects/config/include/media/EffectsConfig.h
@@ -22,8 +22,10 @@
  * @see audio_effects_conf_V2_0.xsd for documentation on each structure
  */
 
+#include <error/Result.h>
 #include <system/audio_effect.h>
 
+#include <cstddef>
 #include <map>
 #include <memory>
 #include <string>
@@ -75,6 +77,12 @@
     std::string address;
 };
 
+struct Processings {
+    std::vector<InputStream> preprocess;
+    std::vector<OutputStream> postprocess;
+    std::vector<DeviceEffects> deviceprocess;
+};
+
 /** Parsed configuration.
  * Intended to be a transient structure only used for deserialization.
  * Note: Everything is copied in the configuration from the xml dom.
@@ -82,19 +90,16 @@
  *       consider keeping a private handle on the xml dom and replace all strings by dom pointers.
  *       Or even better, use SAX parsing to avoid the allocations all together.
  */
-struct Config {
+struct Config : public Processings {
     float version;
     Libraries libraries;
     Effects effects;
-    std::vector<OutputStream> postprocess;
-    std::vector<InputStream> preprocess;
-    std::vector<DeviceEffects> deviceprocess;
 };
 
 /** Result of `parse(const char*)` */
 struct ParsingResult {
     /** Parsed config, nullptr if the xml lib could not load the file */
-    std::unique_ptr<Config> parsedConfig;
+    std::shared_ptr<const Config> parsedConfig;
     size_t nbSkippedElement; //< Number of skipped invalid library, effect or processing chain
     const std::string configPath; //< Path to the loaded configuration
 };
diff --git a/media/libeffects/config/src/EffectsConfig.cpp b/media/libeffects/config/src/EffectsConfig.cpp
index 1696233..3096659 100644
--- a/media/libeffects/config/src/EffectsConfig.cpp
+++ b/media/libeffects/config/src/EffectsConfig.cpp
@@ -286,7 +286,7 @@
         return {nullptr, 0, std::move(path)};
     }
 
-    auto config = std::make_unique<Config>();
+    auto config = std::make_shared<Config>();
     size_t nbSkippedElements = 0;
     auto registerFailure = [&nbSkippedElements](bool result) {
         nbSkippedElements += result ? 0 : 1;
diff --git a/media/libeffects/factory/Android.bp b/media/libeffects/factory/Android.bp
index 22838a3..d94093e 100644
--- a/media/libeffects/factory/Android.bp
+++ b/media/libeffects/factory/Android.bp
@@ -39,6 +39,7 @@
     header_libs: [
         "libaudioeffects",
         "libeffects_headers",
+        "liberror_headers",
     ],
     export_header_lib_headers: ["libeffects_headers"],
 }
@@ -56,7 +57,6 @@
         "-Werror",
     ],
 
-
     shared_libs: [
         "libeffectsconfig",
         "libeffects",
diff --git a/media/libeffects/lvm/wrapper/Aidl/BundleTypes.h b/media/libeffects/lvm/wrapper/Aidl/BundleTypes.h
index b3371a3..3bc889c 100644
--- a/media/libeffects/lvm/wrapper/Aidl/BundleTypes.h
+++ b/media/libeffects/lvm/wrapper/Aidl/BundleTypes.h
@@ -85,9 +85,7 @@
 static const std::string kEqualizerEffectName = "EqualizerBundle";
 static const Descriptor kEqualizerDesc = {
         .common = {.id = {.type = getEffectTypeUuidEqualizer(),
-                          .uuid = getEffectImplUuidEqualizerBundle(),
-                          .proxy = getEffectImplUuidEqualizerProxy()},
-
+                          .uuid = getEffectImplUuidEqualizerBundle()},
                    .flags = {.type = Flags::Type::INSERT,
                              .insert = Flags::Insert::FIRST,
                              .volume = Flags::Volume::CTRL},
@@ -102,8 +100,7 @@
 static const std::string kBassBoostEffectName = "Dynamic Bass Boost";
 static const Descriptor kBassBoostDesc = {
         .common = {.id = {.type = getEffectTypeUuidBassBoost(),
-                          .uuid = getEffectImplUuidBassBoostBundle(),
-                          .proxy = getEffectImplUuidBassBoostProxy()},
+                          .uuid = getEffectImplUuidBassBoostBundle()},
                    .flags = {.type = Flags::Type::INSERT,
                              .insert = Flags::Insert::FIRST,
                              .volume = Flags::Volume::CTRL,
@@ -121,8 +118,7 @@
 
 static const Descriptor kVirtualizerDesc = {
         .common = {.id = {.type = getEffectTypeUuidVirtualizer(),
-                          .uuid = getEffectImplUuidVirtualizerBundle(),
-                          .proxy = getEffectImplUuidVirtualizerProxy()},
+                          .uuid = getEffectImplUuidVirtualizerBundle()},
                    .flags = {.type = Flags::Type::INSERT,
                              .insert = Flags::Insert::LAST,
                              .volume = Flags::Volume::CTRL,
@@ -139,8 +135,7 @@
 static const std::string kVolumeEffectName = "Volume";
 static const Descriptor kVolumeDesc = {
         .common = {.id = {.type = getEffectTypeUuidVolume(),
-                          .uuid = getEffectImplUuidVolumeBundle(),
-                          .proxy = std::nullopt},
+                          .uuid = getEffectImplUuidVolumeBundle()},
                    .flags = {.type = Flags::Type::INSERT,
                              .insert = Flags::Insert::LAST,
                              .volume = Flags::Volume::CTRL},
diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index c2c605d..f69307b 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -485,14 +485,17 @@
     return mAAudioHwBurstMinMicros;
 }
 
-status_t AudioFlinger::setDeviceConnectedState(const struct audio_port_v7 *port, bool connected) {
+status_t AudioFlinger::setDeviceConnectedState(const struct audio_port_v7 *port,
+                                               media::DeviceConnectedState state) {
     status_t final_result = NO_INIT;
     Mutex::Autolock _l(mLock);
     AutoMutex lock(mHardwareLock);
     mHardwareStatus = AUDIO_HW_SET_CONNECTED_STATE;
     for (size_t i = 0; i < mAudioHwDevs.size(); i++) {
         sp<DeviceHalInterface> dev = mAudioHwDevs.valueAt(i)->hwDevice();
-        status_t result = dev->setConnectedState(port, connected);
+        status_t result = state == media::DeviceConnectedState::PREPARE_TO_DISCONNECT
+                ? dev->prepareToDisconnectExternalDevice(port)
+                : dev->setConnectedState(port, state == media::DeviceConnectedState::CONNECTED);
         // Same logic as with setParameter: it's a success if at least one
         // HAL module accepts the update.
         if (final_result != NO_ERROR) {
@@ -1236,21 +1239,20 @@
         output.portId = portId;
 
         if (lStatus == NO_ERROR) {
+            // no risk of deadlock because AudioFlinger::mLock is held
+            Mutex::Autolock _dl(thread->mLock);
             // Connect secondary outputs. Failure on a secondary output must not imped the primary
             // Any secondary output setup failure will lead to a desync between the AP and AF until
             // the track is destroyed.
             updateSecondaryOutputsForTrack_l(track.get(), thread, secondaryOutputs);
-        }
-
-        // move effect chain to this output thread if an effect on same session was waiting
-        // for a track to be created
-        if (lStatus == NO_ERROR && effectThread != NULL) {
-            // no risk of deadlock because AudioFlinger::mLock is held
-            Mutex::Autolock _dl(thread->mLock);
-            Mutex::Autolock _sl(effectThread->mLock);
-            if (moveEffectChain_l(sessionId, effectThread, thread) == NO_ERROR) {
-                effectThreadId = thread->id();
-                effectIds = thread->getEffectIds_l(sessionId);
+            // move effect chain to this output thread if an effect on same session was waiting
+            // for a track to be created
+            if (effectThread != nullptr) {
+                Mutex::Autolock _sl(effectThread->mLock);
+                if (moveEffectChain_l(sessionId, effectThread, thread) == NO_ERROR) {
+                    effectThreadId = thread->id();
+                    effectIds = thread->getEffectIds_l(sessionId);
+                }
             }
         }
 
@@ -3952,7 +3954,7 @@
         patchTrack->setPeerProxy(patchRecord, true /* holdReference */);
         patchRecord->setPeerProxy(patchTrack, false /* holdReference */);
     }
-    track->setTeePatches(std::move(teePatches));
+    track->setTeePatchesToUpdate(std::move(teePatches));
 }
 
 sp<AudioFlinger::SyncEvent> AudioFlinger::createSyncEvent(AudioSystem::sync_event_t type,
diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h
index 323ce0e..47fa74f 100644
--- a/services/audioflinger/AudioFlinger.h
+++ b/services/audioflinger/AudioFlinger.h
@@ -297,7 +297,8 @@
 
     virtual int32_t getAAudioHardwareBurstMinUsec();
 
-    virtual status_t setDeviceConnectedState(const struct audio_port_v7 *port, bool connected);
+    virtual status_t setDeviceConnectedState(const struct audio_port_v7 *port,
+                                             media::DeviceConnectedState state);
 
     virtual status_t setSimulateDeviceConnections(bool enabled);
 
diff --git a/services/audioflinger/MelReporter.cpp b/services/audioflinger/MelReporter.cpp
index 5a3bcdc..e024319 100644
--- a/services/audioflinger/MelReporter.cpp
+++ b/services/audioflinger/MelReporter.cpp
@@ -81,7 +81,7 @@
 }
 
 bool AudioFlinger::MelReporter::shouldComputeMelForDeviceType(audio_devices_t device) {
-    if (mSoundDoseManager->isCsdDisabled()) {
+    if (!mSoundDoseManager->isCsdEnabled()) {
         ALOGV("%s csd is disabled", __func__);
         return false;
     }
@@ -107,7 +107,7 @@
 
 void AudioFlinger::MelReporter::updateMetadataForCsd(audio_io_handle_t streamHandle,
         const std::vector<playback_track_metadata_v7_t>& metadataVec) {
-    if (mSoundDoseManager->isCsdDisabled()) {
+    if (!mSoundDoseManager->isCsdEnabled()) {
         ALOGV("%s csd is disabled", __func__);
         return;
     }
@@ -143,7 +143,7 @@
 
 void AudioFlinger::MelReporter::onCreateAudioPatch(audio_patch_handle_t handle,
         const PatchPanel::Patch& patch) {
-    if (mSoundDoseManager->isCsdDisabled()) {
+    if (!mSoundDoseManager->isCsdEnabled()) {
         ALOGV("%s csd is disabled", __func__);
         return;
     }
@@ -207,7 +207,7 @@
 }
 
 void AudioFlinger::MelReporter::onReleaseAudioPatch(audio_patch_handle_t handle) {
-    if (mSoundDoseManager->isCsdDisabled()) {
+    if (!mSoundDoseManager->isCsdEnabled()) {
         ALOGV("%s csd is disabled", __func__);
         return;
     }
diff --git a/services/audioflinger/PlaybackTracks.h b/services/audioflinger/PlaybackTracks.h
index ad191b0..0e1a3c9 100644
--- a/services/audioflinger/PlaybackTracks.h
+++ b/services/audioflinger/PlaybackTracks.h
@@ -186,7 +186,9 @@
             }
             sp<os::ExternalVibration> getExternalVibration() const { return mExternalVibration; }
 
-            void    setTeePatches(TeePatches teePatches);
+            // This function should be called with holding thread lock.
+            void    updateTeePatches();
+            void    setTeePatchesToUpdate(TeePatches teePatchesToUpdate);
 
     void tallyUnderrunFrames(size_t frames) override {
        if (isOut()) { // we expect this from output tracks only
@@ -369,6 +371,7 @@
     bool                mPauseHwPending = false; // direct/offload track request for thread pause
     audio_output_flags_t mFlags;
     TeePatches  mTeePatches;
+    std::optional<TeePatches> mTeePatchesToUpdate;
     const float         mSpeed;
     const bool          mIsSpatialized;
     const bool          mIsBitPerfect;
diff --git a/services/audioflinger/Threads.cpp b/services/audioflinger/Threads.cpp
index fbd1395..8d0c648 100644
--- a/services/audioflinger/Threads.cpp
+++ b/services/audioflinger/Threads.cpp
@@ -4104,6 +4104,10 @@
 
             setHalLatencyMode_l();
 
+            for (const auto &track : mActiveTracks ) {
+                track->updateTeePatches();
+            }
+
             // signal actual start of output stream when the render position reported by the kernel
             // starts moving.
             if (!mStandby && !mHalStarted && mKernelPositionOnStandby !=
diff --git a/services/audioflinger/Tracks.cpp b/services/audioflinger/Tracks.cpp
index 6b5ddce..7d2c4db 100644
--- a/services/audioflinger/Tracks.cpp
+++ b/services/audioflinger/Tracks.cpp
@@ -1491,15 +1491,24 @@
     *backInserter++ = metadata;
 }
 
-void AudioFlinger::PlaybackThread::Track::setTeePatches(TeePatches teePatches) {
-    forEachTeePatchTrack([](auto patchTrack) { patchTrack->destroy(); });
-    mTeePatches = std::move(teePatches);
-    if (mState == TrackBase::ACTIVE || mState == TrackBase::RESUMING ||
-            mState == TrackBase::STOPPING_1) {
-        forEachTeePatchTrack([](auto patchTrack) { patchTrack->start(); });
+void AudioFlinger::PlaybackThread::Track::updateTeePatches() {
+    if (mTeePatchesToUpdate.has_value()) {
+        forEachTeePatchTrack([](auto patchTrack) { patchTrack->destroy(); });
+        mTeePatches = mTeePatchesToUpdate.value();
+        if (mState == TrackBase::ACTIVE || mState == TrackBase::RESUMING ||
+                mState == TrackBase::STOPPING_1) {
+            forEachTeePatchTrack([](auto patchTrack) { patchTrack->start(); });
+        }
+        mTeePatchesToUpdate.reset();
     }
 }
 
+void AudioFlinger::PlaybackThread::Track::setTeePatchesToUpdate(TeePatches teePatchesToUpdate) {
+    ALOGW_IF(mTeePatchesToUpdate.has_value(),
+             "%s, existing tee patches to update will be ignored", __func__);
+    mTeePatchesToUpdate = std::move(teePatchesToUpdate);
+}
+
 // must be called with player thread lock held
 void AudioFlinger::PlaybackThread::Track::processMuteEvent_l(const sp<
     IAudioManager>& audioManager, mute_state_t muteState)
diff --git a/services/audioflinger/sounddose/SoundDoseManager.cpp b/services/audioflinger/sounddose/SoundDoseManager.cpp
index f94ab1e..a114a38 100644
--- a/services/audioflinger/sounddose/SoundDoseManager.cpp
+++ b/services/audioflinger/sounddose/SoundDoseManager.cpp
@@ -50,7 +50,7 @@
         size_t channelCount, audio_format_t format) {
     std::lock_guard _l(mLock);
 
-    if (mHalSoundDose != nullptr && !mDisableCsd) {
+    if (mHalSoundDose != nullptr && mEnabledCsd) {
         ALOGD("%s: using HAL MEL computation, no MelProcessor needed.", __func__);
         return nullptr;
     }
@@ -290,11 +290,11 @@
     return binder::Status::ok();
 }
 
-binder::Status SoundDoseManager::SoundDose::disableCsd() {
+binder::Status SoundDoseManager::SoundDose::setCsdEnabled(bool enabled) {
     ALOGV("%s", __func__);
     auto soundDoseManager = mSoundDoseManager.promote();
     if (soundDoseManager != nullptr) {
-        soundDoseManager->disableCsd();
+        soundDoseManager->setCsdEnabled(enabled);
     }
     return binder::Status::ok();
 }
@@ -365,26 +365,27 @@
     }
 }
 
-void SoundDoseManager::disableCsd() {
+void SoundDoseManager::setCsdEnabled(bool enabled) {
     ALOGV("%s",  __func__);
 
     std::lock_guard _l(mLock);
-    mDisableCsd = true;
+    mEnabledCsd = enabled;
 
-    // Normally, there should be no active MelProcessors when this method is called
-    // We pause however every cached MelProcessor as a defensive mechanism to not
-    // have unnecessary processing
     for (auto& activeEntry : mActiveProcessors) {
         auto melProcessor = activeEntry.second.promote();
         if (melProcessor != nullptr) {
-            melProcessor->pause();
+            if (enabled) {
+                melProcessor->resume();
+            } else {
+                melProcessor->pause();
+            }
         }
     }
 }
 
-bool SoundDoseManager::isCsdDisabled() {
+bool SoundDoseManager::isCsdEnabled() {
     std::lock_guard _l(mLock);
-    return mDisableCsd;
+    return mEnabledCsd;
 }
 
 void SoundDoseManager::setUseFrameworkMel(bool useFrameworkMel) {
@@ -411,7 +412,7 @@
 }
 
 bool SoundDoseManager::isSoundDoseHalSupported() const {
-    if (mDisableCsd) {
+    if (!mEnabledCsd) {
         return false;
     }
 
@@ -455,7 +456,7 @@
     float currentCsd;
     {
         std::lock_guard _l(mLock);
-        if (mDisableCsd) {
+        if (!mEnabledCsd) {
             return;
         }
 
@@ -496,7 +497,7 @@
 
     {
         std::lock_guard _l(mLock);
-        if (mDisableCsd) {
+        if (!mEnabledCsd) {
             return;
         }
     }
@@ -522,7 +523,7 @@
     std::string output;
     {
         std::lock_guard _l(mLock);
-        if (mDisableCsd) {
+        if (!mEnabledCsd) {
             base::StringAppendF(&output, "CSD is disabled");
             return output;
         }
diff --git a/services/audioflinger/sounddose/SoundDoseManager.h b/services/audioflinger/sounddose/SoundDoseManager.h
index 5081ce4..6c02afb 100644
--- a/services/audioflinger/sounddose/SoundDoseManager.h
+++ b/services/audioflinger/sounddose/SoundDoseManager.h
@@ -101,8 +101,8 @@
     /** Clear all map entries with passed audio_port_handle_t. */
     void clearMapDeviceIdEntries(audio_port_handle_t deviceId);
 
-    /** Returns true if CSD is disabled. */
-    bool isCsdDisabled();
+    /** Returns true if CSD is enabled. */
+    bool isCsdEnabled();
 
     std::string dump() const;
 
@@ -137,7 +137,7 @@
                                 const std::vector<media::SoundDoseRecord>& records) override;
         binder::Status updateAttenuation(float attenuationDB, int device) override;
         binder::Status getOutputRs2UpperBound(float* value) override;
-        binder::Status disableCsd() override;
+        binder::Status setCsdEnabled(bool enabled) override;
 
         binder::Status getCsd(float* value) override;
         binder::Status forceUseFrameworkMel(bool useFrameworkMel) override;
@@ -170,7 +170,7 @@
     sp<media::ISoundDoseCallback> getSoundDoseCallback() const;
 
     void updateAttenuation(float attenuationDB, audio_devices_t deviceType);
-    void disableCsd();
+    void setCsdEnabled(bool enabled);
     void setUseFrameworkMel(bool useFrameworkMel);
     void setComputeCsdOnAllDevices(bool computeCsdOnAllDevices);
     bool isSoundDoseHalSupported() const;
@@ -202,7 +202,7 @@
     bool mUseFrameworkMel GUARDED_BY(mLock) = true;
     bool mComputeCsdOnAllDevices GUARDED_BY(mLock) = false;
 
-    bool mDisableCsd GUARDED_BY(mLock) = false;
+    bool mEnabledCsd GUARDED_BY(mLock) = true;
 };
 
 }  // namespace android
diff --git a/services/audiopolicy/AudioPolicyInterface.h b/services/audiopolicy/AudioPolicyInterface.h
index 3d1cf76..134d068 100644
--- a/services/audiopolicy/AudioPolicyInterface.h
+++ b/services/audiopolicy/AudioPolicyInterface.h
@@ -17,6 +17,7 @@
 #ifndef ANDROID_AUDIOPOLICY_INTERFACE_H
 #define ANDROID_AUDIOPOLICY_INTERFACE_H
 
+#include <android/media/DeviceConnectedState.h>
 #include <media/AudioCommonTypes.h>
 #include <media/AudioContainers.h>
 #include <media/AudioDeviceTypeAddr.h>
@@ -567,7 +568,8 @@
     virtual status_t updateSecondaryOutputs(
             const TrackSecondaryOutputsMap& trackSecondaryOutputs) = 0;
 
-    virtual status_t setDeviceConnectedState(const struct audio_port_v7 *port, bool connected) = 0;
+    virtual status_t setDeviceConnectedState(const struct audio_port_v7 *port,
+                                             media::DeviceConnectedState state) = 0;
 
     virtual status_t invalidateTracks(const std::vector<audio_port_handle_t>& portIds) = 0;
 };
diff --git a/services/audiopolicy/managerdefault/AudioPolicyManager.cpp b/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
index 56a692b..b678662 100644
--- a/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
+++ b/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
@@ -116,14 +116,13 @@
 }
 
 void AudioPolicyManager::broadcastDeviceConnectionState(const sp<DeviceDescriptor> &device,
-                                                        audio_policy_dev_state_t state)
+                                                        media::DeviceConnectedState state)
 {
     audio_port_v7 devicePort;
     device->toAudioPort(&devicePort);
-    if (status_t status = mpClientInterface->setDeviceConnectedState(
-                    &devicePort, state == AUDIO_POLICY_DEVICE_STATE_AVAILABLE);
+    if (status_t status = mpClientInterface->setDeviceConnectedState(&devicePort, state);
             status != OK) {
-        ALOGE("Error %d while setting connected state for device %s", status,
+        ALOGE("Error %d while setting connected state for device %s", state,
                 device->getDeviceTypeAddr().toString(false).c_str());
     }
 }
@@ -206,14 +205,14 @@
 
             // Before checking outputs, broadcast connect event to allow HAL to retrieve dynamic
             // parameters on newly connected devices (instead of opening the outputs...)
-            broadcastDeviceConnectionState(device, state);
+            broadcastDeviceConnectionState(device, media::DeviceConnectedState::CONNECTED);
 
             if (checkOutputsForDevice(device, state, outputs) != NO_ERROR) {
                 mAvailableOutputDevices.remove(device);
 
                 mHwModules.cleanUpForDevice(device);
 
-                broadcastDeviceConnectionState(device, AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE);
+                broadcastDeviceConnectionState(device, media::DeviceConnectedState::DISCONNECTED);
                 return INVALID_OPERATION;
             }
 
@@ -235,8 +234,9 @@
 
             ALOGV("%s() disconnecting output device %s", __func__, device->toString().c_str());
 
-            // Send Disconnect to HALs
-            broadcastDeviceConnectionState(device, state);
+            // Notify the HAL to prepare to disconnect device
+            broadcastDeviceConnectionState(
+                    device, media::DeviceConnectedState::PREPARE_TO_DISCONNECT);
 
             // remove device from available output devices
             mAvailableOutputDevices.remove(device);
@@ -245,6 +245,9 @@
 
             checkOutputsForDevice(device, state, outputs);
 
+            // Send Disconnect to HALs
+            broadcastDeviceConnectionState(device, media::DeviceConnectedState::DISCONNECTED);
+
             // Reset active device codec
             device->setEncodedFormat(AUDIO_FORMAT_DEFAULT);
 
@@ -384,12 +387,12 @@
 
             // Before checking intputs, broadcast connect event to allow HAL to retrieve dynamic
             // parameters on newly connected devices (instead of opening the inputs...)
-            broadcastDeviceConnectionState(device, state);
+            broadcastDeviceConnectionState(device, media::DeviceConnectedState::CONNECTED);
 
             if (checkInputsForDevice(device, state) != NO_ERROR) {
                 mAvailableInputDevices.remove(device);
 
-                broadcastDeviceConnectionState(device, AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE);
+                broadcastDeviceConnectionState(device, media::DeviceConnectedState::DISCONNECTED);
 
                 mHwModules.cleanUpForDevice(device);
 
@@ -407,13 +410,17 @@
 
             ALOGV("%s() disconnecting input device %s", __func__, device->toString().c_str());
 
-            // Set Disconnect to HALs
-            broadcastDeviceConnectionState(device, state);
+            // Notify the HAL to prepare to disconnect device
+            broadcastDeviceConnectionState(
+                    device, media::DeviceConnectedState::PREPARE_TO_DISCONNECT);
 
             mAvailableInputDevices.remove(device);
 
             checkInputsForDevice(device, state);
 
+            // Set Disconnect to HALs
+            broadcastDeviceConnectionState(device, media::DeviceConnectedState::DISCONNECTED);
+
             // remove device from mReportedFormatsMap cache
             mReportedFormatsMap.erase(device);
         } break;
diff --git a/services/audiopolicy/managerdefault/AudioPolicyManager.h b/services/audiopolicy/managerdefault/AudioPolicyManager.h
index 2924ee1..dc82d54 100644
--- a/services/audiopolicy/managerdefault/AudioPolicyManager.h
+++ b/services/audiopolicy/managerdefault/AudioPolicyManager.h
@@ -35,6 +35,7 @@
 #include <media/PatchBuilder.h>
 #include "AudioPolicyInterface.h"
 
+#include <android/media/DeviceConnectedState.h>
 #include <android/media/audio/common/AudioPort.h>
 #include <AudioPolicyManagerObserver.h>
 #include <AudioPolicyConfig.h>
@@ -1060,13 +1061,16 @@
         void updateAudioProfiles(const sp<DeviceDescriptor>& devDesc, audio_io_handle_t ioHandle,
                 AudioProfileVector &profiles);
 
+        // Notify the policy client to prepare for disconnecting external device.
+        void prepareToDisconnectExternalDevice(const sp<DeviceDescriptor> &device);
+
         // Notify the policy client of any change of device state with AUDIO_IO_HANDLE_NONE,
         // so that the client interprets it as global to audio hardware interfaces.
         // It can give a chance to HAL implementer to retrieve dynamic capabilities associated
         // to this device for example.
         // TODO avoid opening stream to retrieve capabilities of a profile.
         void broadcastDeviceConnectionState(const sp<DeviceDescriptor> &device,
-                                            audio_policy_dev_state_t state);
+                                            media::DeviceConnectedState state);
 
         // updates device caching and output for streams that can influence the
         //    routing of notifications
diff --git a/services/audiopolicy/service/AudioPolicyClientImpl.cpp b/services/audiopolicy/service/AudioPolicyClientImpl.cpp
index 1bb89df..887f210 100644
--- a/services/audiopolicy/service/AudioPolicyClientImpl.cpp
+++ b/services/audiopolicy/service/AudioPolicyClientImpl.cpp
@@ -309,13 +309,13 @@
 }
 
 status_t AudioPolicyService::AudioPolicyClient::setDeviceConnectedState(
-        const struct audio_port_v7 *port, bool connected) {
+        const struct audio_port_v7 *port, media::DeviceConnectedState state) {
     sp<IAudioFlinger> af = AudioSystem::get_audio_flinger();
     if (af == nullptr) {
         ALOGW("%s: could not get AudioFlinger", __func__);
         return PERMISSION_DENIED;
     }
-    return af->setDeviceConnectedState(port, connected);
+    return af->setDeviceConnectedState(port, state);
 }
 
 status_t AudioPolicyService::AudioPolicyClient::invalidateTracks(
@@ -328,5 +328,4 @@
     return af->invalidateTracks(portIds);
 }
 
-
 } // namespace android
diff --git a/services/audiopolicy/service/AudioPolicyEffects.cpp b/services/audiopolicy/service/AudioPolicyEffects.cpp
index c7a60c2..b111865 100644
--- a/services/audiopolicy/service/AudioPolicyEffects.cpp
+++ b/services/audiopolicy/service/AudioPolicyEffects.cpp
@@ -41,26 +41,25 @@
 // AudioPolicyEffects Implementation
 // ----------------------------------------------------------------------------
 
-AudioPolicyEffects::AudioPolicyEffects()
-{
-    status_t loadResult = loadAudioEffectXmlConfig();
+AudioPolicyEffects::AudioPolicyEffects(const sp<EffectsFactoryHalInterface>& effectsFactoryHal) {
+    // load xml config with effectsFactoryHal
+    status_t loadResult = loadAudioEffectConfig(effectsFactoryHal);
     if (loadResult == NO_ERROR) {
-        mDefaultDeviceEffectFuture = std::async(
-                    std::launch::async, &AudioPolicyEffects::initDefaultDeviceEffects, this);
+        mDefaultDeviceEffectFuture =
+                std::async(std::launch::async, &AudioPolicyEffects::initDefaultDeviceEffects, this);
     } else if (loadResult < 0) {
-        ALOGW("Failed to load XML effect configuration, fallback to .conf");
+        ALOGW("Failed to query effect configuration, fallback to load .conf");
         // load automatic audio effect modules
         if (access(AUDIO_EFFECT_VENDOR_CONFIG_FILE, R_OK) == 0) {
-            loadAudioEffectConfig(AUDIO_EFFECT_VENDOR_CONFIG_FILE);
+            loadAudioEffectConfigLegacy(AUDIO_EFFECT_VENDOR_CONFIG_FILE);
         } else if (access(AUDIO_EFFECT_DEFAULT_CONFIG_FILE, R_OK) == 0) {
-            loadAudioEffectConfig(AUDIO_EFFECT_DEFAULT_CONFIG_FILE);
+            loadAudioEffectConfigLegacy(AUDIO_EFFECT_DEFAULT_CONFIG_FILE);
         }
     } else if (loadResult > 0) {
         ALOGE("Effect config is partially invalid, skipped %d elements", loadResult);
     }
 }
 
-
 AudioPolicyEffects::~AudioPolicyEffects()
 {
     size_t i = 0;
@@ -907,10 +906,18 @@
     return NO_ERROR;
 }
 
-status_t AudioPolicyEffects::loadAudioEffectXmlConfig() {
-    auto result = effectsConfig::parse();
-    if (result.parsedConfig == nullptr) {
-        return -ENOENT;
+status_t AudioPolicyEffects::loadAudioEffectConfig(
+        const sp<EffectsFactoryHalInterface>& effectsFactoryHal) {
+    if (!effectsFactoryHal) {
+        ALOGE("%s Null EffectsFactoryHalInterface", __func__);
+        return UNEXPECTED_NULL;
+    }
+
+    const auto skippedElements = VALUE_OR_RETURN_STATUS(effectsFactoryHal->getSkippedElements());
+    const auto processings = effectsFactoryHal->getProcessings();
+    if (!processings) {
+        ALOGE("%s Null processings with %zu skipped elements", __func__, skippedElements);
+        return UNEXPECTED_NULL;
     }
 
     auto loadProcessingChain = [](auto& processingChain, auto& streams) {
@@ -924,9 +931,8 @@
         }
     };
 
-    auto loadDeviceProcessingChain = [](auto &processingChain, auto& devicesEffects) {
+    auto loadDeviceProcessingChain = [](auto& processingChain, auto& devicesEffects) {
         for (auto& deviceProcess : processingChain) {
-
             auto effectDescs = std::make_unique<EffectDescVector>();
             for (auto& effect : deviceProcess.effects) {
                 effectDescs->mEffects.add(
@@ -938,17 +944,18 @@
         }
     };
 
-    loadProcessingChain(result.parsedConfig->preprocess, mInputSources);
-    loadProcessingChain(result.parsedConfig->postprocess, mOutputStreams);
+    loadProcessingChain(processings->preprocess, mInputSources);
+    loadProcessingChain(processings->postprocess, mOutputStreams);
+
     {
         Mutex::Autolock _l(mLock);
-        loadDeviceProcessingChain(result.parsedConfig->deviceprocess, mDeviceEffects);
+        loadDeviceProcessingChain(processings->deviceprocess, mDeviceEffects);
     }
-    // Casting from ssize_t to status_t is probably safe, there should not be more than 2^31 errors
-    return result.nbSkippedElement;
+
+    return skippedElements;
 }
 
-status_t AudioPolicyEffects::loadAudioEffectConfig(const char *path)
+status_t AudioPolicyEffects::loadAudioEffectConfigLegacy(const char *path)
 {
     cnode *root;
     char *data;
diff --git a/services/audiopolicy/service/AudioPolicyEffects.h b/services/audiopolicy/service/AudioPolicyEffects.h
index 13d5d0c..9f65a96 100644
--- a/services/audiopolicy/service/AudioPolicyEffects.h
+++ b/services/audiopolicy/service/AudioPolicyEffects.h
@@ -20,22 +20,33 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
+#include <future>
+
+#include <android-base/thread_annotations.h>
 #include <cutils/misc.h>
 #include <media/AudioEffect.h>
+#include <media/audiohal/EffectsFactoryHalInterface.h>
 #include <system/audio.h>
 #include <utils/Vector.h>
 #include <utils/SortedVector.h>
-#include <android-base/thread_annotations.h>
-
-#include <future>
 
 namespace android {
 
 // ----------------------------------------------------------------------------
 
-// AudioPolicyEffects class
-// This class will manage all effects attached to input and output streams in
-// AudioPolicyService as configured in audio_effects.conf.
+/**
+ * AudioPolicyEffects class.
+ *
+ * This class manages all effects attached to input and output streams in AudioPolicyService.
+ * The effect configurations can be queried in several ways:
+ *
+ * With HIDL HAL, the configuration file `audio_effects.xml` will be loaded by libAudioHal. If this
+ * file does not exist, AudioPolicyEffects class will fallback to load configuration from
+ * `/vendor/etc/audio_effects.conf` (AUDIO_EFFECT_VENDOR_CONFIG_FILE). If this file also does not
+ * exist, the configuration will be loaded from the file `/system/etc/audio_effects.conf`.
+ *
+ * With AIDL HAL, the configuration will be queried with the method `IFactory::queryProcessing()`.
+ */
 class AudioPolicyEffects : public RefBase
 {
 
@@ -44,7 +55,7 @@
     // The constructor will parse audio_effects.conf
     // First it will look whether vendor specific file exists,
     // otherwise it will parse the system default file.
-	         AudioPolicyEffects();
+    explicit AudioPolicyEffects(const sp<EffectsFactoryHalInterface>& effectsFactoryHal);
     virtual ~AudioPolicyEffects();
 
     // NOTE: methods on AudioPolicyEffects should never be called with the AudioPolicyService
@@ -218,7 +229,6 @@
 
     };
 
-
     static const char * const kInputSourceNames[AUDIO_SOURCE_CNT -1];
     static audio_source_t inputSourceNameToEnum(const char *name);
 
@@ -226,8 +236,8 @@
     audio_stream_type_t streamNameToEnum(const char *name);
 
     // Parse audio_effects.conf
-    status_t loadAudioEffectConfig(const char *path); // TODO: add legacy in the name
-    status_t loadAudioEffectXmlConfig(); // TODO: remove "Xml" in the name
+    status_t loadAudioEffectConfigLegacy(const char *path);
+    status_t loadAudioEffectConfig(const sp<EffectsFactoryHalInterface>& effectsFactoryHal);
 
     // Load all effects descriptors in configuration file
     status_t loadEffects(cnode *root, Vector <EffectDesc *>& effects);
diff --git a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
index af7be52..0d12060 100644
--- a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
+++ b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
@@ -476,14 +476,14 @@
     }
     ALOGV("startOutput()");
     sp<AudioPlaybackClient> client;
-    sp<AudioPolicyEffects>audioPolicyEffects;
+    sp<AudioPolicyEffects> audioPolicyEffects;
 
     getPlaybackClientAndEffects(portId, client, audioPolicyEffects, __func__);
 
     if (audioPolicyEffects != 0) {
         // create audio processors according to stream
-        status_t status = audioPolicyEffects->addOutputSessionEffects(
-            client->io, client->stream, client->session);
+        status_t status = audioPolicyEffects->addOutputSessionEffects(client->io, client->stream,
+                                                                      client->session);
         if (status != NO_ERROR && status != ALREADY_EXISTS) {
             ALOGW("Failed to add effects on session %d", client->session);
         }
diff --git a/services/audiopolicy/service/AudioPolicyService.cpp b/services/audiopolicy/service/AudioPolicyService.cpp
index 974ae38..e5b1c91 100644
--- a/services/audiopolicy/service/AudioPolicyService.cpp
+++ b/services/audiopolicy/service/AudioPolicyService.cpp
@@ -259,7 +259,8 @@
     }
 
     // load audio processing modules
-    sp<AudioPolicyEffects> audioPolicyEffects = new AudioPolicyEffects();
+    const sp<EffectsFactoryHalInterface> effectsFactoryHal = EffectsFactoryHalInterface::create();
+    sp<AudioPolicyEffects> audioPolicyEffects = new AudioPolicyEffects(effectsFactoryHal);
     sp<UidPolicy> uidPolicy = new UidPolicy(this);
     sp<SensorPrivacyPolicy> sensorPrivacyPolicy = new SensorPrivacyPolicy(this);
     {
@@ -278,7 +279,7 @@
         AudioDeviceTypeAddrVector devices;
         bool hasSpatializer = mAudioPolicyManager->canBeSpatialized(&attr, nullptr, devices);
         if (hasSpatializer) {
-            mSpatializer = Spatializer::create(this);
+            mSpatializer = Spatializer::create(this, effectsFactoryHal);
         }
         if (mSpatializer == nullptr) {
             // No spatializer created, signal the reason: NO_INIT a failure, OK means intended.
@@ -1694,7 +1695,7 @@
     }
 }
 
-void AudioPolicyService::UidPolicy::onUidProcAdjChanged(uid_t uid __unused) {
+void AudioPolicyService::UidPolicy::onUidProcAdjChanged(uid_t uid __unused, int32_t adj __unused) {
 }
 
 void AudioPolicyService::UidPolicy::updateOverrideUid(uid_t uid, bool active, bool insert) {
diff --git a/services/audiopolicy/service/AudioPolicyService.h b/services/audiopolicy/service/AudioPolicyService.h
index 59aabac..981951a 100644
--- a/services/audiopolicy/service/AudioPolicyService.h
+++ b/services/audiopolicy/service/AudioPolicyService.h
@@ -484,7 +484,7 @@
         void onUidIdle(uid_t uid, bool disabled) override;
         void onUidStateChanged(uid_t uid, int32_t procState, int64_t procStateSeq,
                 int32_t capability) override;
-        void onUidProcAdjChanged(uid_t uid) override;
+        void onUidProcAdjChanged(uid_t uid, int32_t adj) override;
 
         void addOverrideUid(uid_t uid, bool active) { updateOverrideUid(uid, active, true); }
         void removeOverrideUid(uid_t uid) { updateOverrideUid(uid, false, false); }
@@ -847,7 +847,7 @@
                 const TrackSecondaryOutputsMap& trackSecondaryOutputs) override;
 
         status_t setDeviceConnectedState(
-                const struct audio_port_v7 *port, bool connected) override;
+                const struct audio_port_v7 *port, media::DeviceConnectedState state) override;
 
         status_t invalidateTracks(const std::vector<audio_port_handle_t>& portIds) override;
 
diff --git a/services/audiopolicy/service/Spatializer.cpp b/services/audiopolicy/service/Spatializer.cpp
index 95b8e7c..ee2e0eb 100644
--- a/services/audiopolicy/service/Spatializer.cpp
+++ b/services/audiopolicy/service/Spatializer.cpp
@@ -30,7 +30,6 @@
 #include <audio_utils/fixedfft.h>
 #include <cutils/bitops.h>
 #include <hardware/sensors.h>
-#include <media/audiohal/EffectsFactoryHalInterface.h>
 #include <media/stagefright/foundation/AHandler.h>
 #include <media/stagefright/foundation/AMessage.h>
 #include <media/MediaMetricsItem.h>
@@ -215,18 +214,17 @@
 };
 
 // ---------------------------------------------------------------------------
-sp<Spatializer> Spatializer::create(SpatializerPolicyCallback *callback) {
+sp<Spatializer> Spatializer::create(SpatializerPolicyCallback* callback,
+                                    const sp<EffectsFactoryHalInterface>& effectsFactoryHal) {
     sp<Spatializer> spatializer;
 
-    sp<EffectsFactoryHalInterface> effectsFactoryHal = EffectsFactoryHalInterface::create();
     if (effectsFactoryHal == nullptr) {
         ALOGW("%s failed to create effect factory interface", __func__);
         return spatializer;
     }
 
     std::vector<effect_descriptor_t> descriptors;
-    status_t status =
-            effectsFactoryHal->getDescriptors(FX_IID_SPATIALIZER, &descriptors);
+    status_t status = effectsFactoryHal->getDescriptors(FX_IID_SPATIALIZER, &descriptors);
     if (status != NO_ERROR) {
         ALOGW("%s failed to get spatializer descriptor, error %d", __func__, status);
         return spatializer;
diff --git a/services/audiopolicy/service/Spatializer.h b/services/audiopolicy/service/Spatializer.h
index 23de0c0..0d4d3f6 100644
--- a/services/audiopolicy/service/Spatializer.h
+++ b/services/audiopolicy/service/Spatializer.h
@@ -27,6 +27,7 @@
 #include <audio_utils/SimpleLog.h>
 #include <math.h>
 #include <media/AudioEffect.h>
+#include <media/audiohal/EffectsFactoryHalInterface.h>
 #include <media/VectorRecorder.h>
 #include <media/audiohal/EffectHalInterface.h>
 #include <media/stagefright/foundation/ALooper.h>
@@ -95,7 +96,8 @@
                     private SpatializerPoseController::Listener,
                     public virtual AudioSystem::SupportedLatencyModesCallback {
   public:
-    static sp<Spatializer> create(SpatializerPolicyCallback *callback);
+    static sp<Spatializer> create(SpatializerPolicyCallback* callback,
+                                  const sp<EffectsFactoryHalInterface>& effectsFactoryHal);
 
            ~Spatializer() override;
 
diff --git a/services/audiopolicy/tests/AudioPolicyManagerTestClient.h b/services/audiopolicy/tests/AudioPolicyManagerTestClient.h
index 6eca7cc..3629c16 100644
--- a/services/audiopolicy/tests/AudioPolicyManagerTestClient.h
+++ b/services/audiopolicy/tests/AudioPolicyManagerTestClient.h
@@ -103,10 +103,11 @@
         ++mAudioPortListUpdateCount;
     }
 
-    status_t setDeviceConnectedState(const struct audio_port_v7 *port, bool connected) override {
-        if (connected) {
+    status_t setDeviceConnectedState(const struct audio_port_v7 *port,
+                                     media::DeviceConnectedState state) override {
+        if (state == media::DeviceConnectedState::CONNECTED) {
             mConnectedDevicePorts.push_back(*port);
-        } else {
+        } else if (state == media::DeviceConnectedState::DISCONNECTED){
             mDisconnectedDevicePorts.push_back(*port);
         }
         return NO_ERROR;
diff --git a/services/audiopolicy/tests/AudioPolicyTestClient.h b/services/audiopolicy/tests/AudioPolicyTestClient.h
index 0c04e35..71e34e3 100644
--- a/services/audiopolicy/tests/AudioPolicyTestClient.h
+++ b/services/audiopolicy/tests/AudioPolicyTestClient.h
@@ -96,8 +96,8 @@
             const TrackSecondaryOutputsMap& trackSecondaryOutputs __unused) override {
         return NO_INIT;
     }
-    status_t setDeviceConnectedState(
-            const struct audio_port_v7 *port __unused, bool connected __unused) override {
+    status_t setDeviceConnectedState(const struct audio_port_v7 *port __unused,
+                                     media::DeviceConnectedState state __unused) override {
         return NO_INIT;
     }
     status_t invalidateTracks(const std::vector<audio_port_handle_t>& /*portIds*/) override {
diff --git a/services/camera/libcameraservice/CameraService.cpp b/services/camera/libcameraservice/CameraService.cpp
index a2aafdf..cecced4 100644
--- a/services/camera/libcameraservice/CameraService.cpp
+++ b/services/camera/libcameraservice/CameraService.cpp
@@ -2602,6 +2602,19 @@
     }
 }
 
+void CameraService::notifyMonitoredUids(const std::unordered_set<uid_t> &notifyUidSet) {
+    Mutex::Autolock lock(mStatusListenerLock);
+
+    for (const auto& it : mListenerList) {
+        if (notifyUidSet.find(it->getListenerUid()) != notifyUidSet.end()) {
+            ALOGV("%s: notifying uid %d", __FUNCTION__, it->getListenerUid());
+            auto ret = it->getListener()->onCameraAccessPrioritiesChanged();
+            it->handleBinderStatus(ret, "%s: Failed to trigger permission callback for %d:%d: %d",
+                    __FUNCTION__, it->getListenerUid(), it->getListenerPid(), ret.exceptionCode());
+        }
+    }
+}
+
 Status CameraService::notifyDeviceStateChange(int64_t newState) {
     const int pid = CameraThreadState::getCallingPid();
     const int selfPid = getpid();
@@ -2823,7 +2836,7 @@
         // permissions the listener process has / whether it is a vendor listener. Since it might be
         // eligible to listen to other camera ids.
         mListenerList.emplace_back(serviceListener);
-        mUidPolicy->registerMonitorUid(clientUid);
+        mUidPolicy->registerMonitorUid(clientUid, /*openCamera*/false);
     }
 
     /* Collect current devices and status */
@@ -2891,7 +2904,7 @@
         Mutex::Autolock lock(mStatusListenerLock);
         for (auto it = mListenerList.begin(); it != mListenerList.end(); it++) {
             if (IInterface::asBinder((*it)->getListener()) == IInterface::asBinder(listener)) {
-                mUidPolicy->unregisterMonitorUid((*it)->getListenerUid());
+                mUidPolicy->unregisterMonitorUid((*it)->getListenerUid(), /*closeCamera*/false);
                 IInterface::asBinder(listener)->unlinkToDeath(*it);
                 mListenerList.erase(it);
                 return Status::ok();
@@ -3680,7 +3693,7 @@
     // Transition device availability listeners from PRESENT -> NOT_AVAILABLE
     sCameraService->updateStatus(StatusInternal::NOT_AVAILABLE, mCameraIdStr);
 
-    sCameraService->mUidPolicy->registerMonitorUid(mClientUid);
+    sCameraService->mUidPolicy->registerMonitorUid(mClientUid, /*openCamera*/true);
 
     // Notify listeners of camera open/close status
     sCameraService->updateOpenCloseStatus(mCameraIdStr, true/*open*/, mClientPackageName);
@@ -3788,7 +3801,7 @@
     }
     mOpsCallback.clear();
 
-    sCameraService->mUidPolicy->unregisterMonitorUid(mClientUid);
+    sCameraService->mUidPolicy->unregisterMonitorUid(mClientUid, /*closeCamera*/true);
 
     // Notify listeners of camera open/close status
     sCameraService->updateOpenCloseStatus(mCameraIdStr, false/*open*/, mClientPackageName);
@@ -3988,24 +4001,51 @@
     }
 }
 
-void CameraService::UidPolicy::onUidProcAdjChanged(uid_t uid) {
-    bool procAdjChange = false;
+/**
+ * When the OOM adj of the uid owning the camera changes, a different uid waiting on camera
+ * privileges may take precedence if the owner's new OOM adj is greater than the waiting package.
+ * Here, we track which monitoredUid has the camera, and track its adj relative to other
+ * monitoredUids. If it is revised above some other monitoredUid, signal
+ * onCameraAccessPrioritiesChanged. This only needs to capture the case where there are two
+ * foreground apps in split screen - state changes will capture all other cases.
+ */
+void CameraService::UidPolicy::onUidProcAdjChanged(uid_t uid, int32_t adj) {
+    std::unordered_set<uid_t> notifyUidSet;
     {
         Mutex::Autolock _l(mUidLock);
-        if (mMonitoredUids.find(uid) != mMonitoredUids.end()) {
-            procAdjChange = true;
+        auto it = mMonitoredUids.find(uid);
+
+        if (it != mMonitoredUids.end()) {
+            if (it->second.hasCamera) {
+                for (auto &monitoredUid : mMonitoredUids) {
+                    if (monitoredUid.first != uid && adj > monitoredUid.second.procAdj) {
+                        notifyUidSet.emplace(monitoredUid.first);
+                    }
+                }
+                notifyUidSet.emplace(uid);
+            } else {
+                for (auto &monitoredUid : mMonitoredUids) {
+                    if (monitoredUid.second.hasCamera && adj < monitoredUid.second.procAdj) {
+                        notifyUidSet.emplace(uid);
+                    }
+                }
+            }
+            it->second.procAdj = adj;
         }
     }
 
-    if (procAdjChange) {
+    if (notifyUidSet.size() > 0) {
         sp<CameraService> service = mService.promote();
         if (service != nullptr) {
-            service->notifyMonitoredUids();
+            service->notifyMonitoredUids(notifyUidSet);
         }
     }
 }
 
-void CameraService::UidPolicy::registerMonitorUid(uid_t uid) {
+/**
+ * Register a uid for monitoring, and note whether it owns a camera.
+ */
+void CameraService::UidPolicy::registerMonitorUid(uid_t uid, bool openCamera) {
     Mutex::Autolock _l(mUidLock);
     auto it = mMonitoredUids.find(uid);
     if (it != mMonitoredUids.end()) {
@@ -4013,18 +4053,28 @@
     } else {
         MonitoredUid monitoredUid;
         monitoredUid.procState = ActivityManager::PROCESS_STATE_NONEXISTENT;
+        monitoredUid.procAdj = resource_policy::UNKNOWN_ADJ;
         monitoredUid.refCount = 1;
-        mMonitoredUids.emplace(std::pair<uid_t, MonitoredUid>(uid, monitoredUid));
+        it = mMonitoredUids.emplace(std::pair<uid_t, MonitoredUid>(uid, monitoredUid)).first;
+    }
+
+    if (openCamera) {
+        it->second.hasCamera = true;
     }
 }
 
-void CameraService::UidPolicy::unregisterMonitorUid(uid_t uid) {
+/**
+ * Unregister a uid for monitoring, and note whether it lost ownership of a camera.
+ */
+void CameraService::UidPolicy::unregisterMonitorUid(uid_t uid, bool closeCamera) {
     Mutex::Autolock _l(mUidLock);
     auto it = mMonitoredUids.find(uid);
     if (it != mMonitoredUids.end()) {
         it->second.refCount--;
         if (it->second.refCount == 0) {
             mMonitoredUids.erase(it);
+        } else if (closeCamera) {
+            it->second.hasCamera = false;
         }
     } else {
         ALOGE("%s: Trying to unregister uid: %d which is not monitored!", __FUNCTION__, uid);
diff --git a/services/camera/libcameraservice/CameraService.h b/services/camera/libcameraservice/CameraService.h
index ecec15f..8c57d26 100644
--- a/services/camera/libcameraservice/CameraService.h
+++ b/services/camera/libcameraservice/CameraService.h
@@ -233,6 +233,7 @@
 
     // Monitored UIDs availability notification
     void                notifyMonitoredUids();
+    void                notifyMonitoredUids(const std::unordered_set<uid_t> &notifyUidSet);
 
     // Stores current open session device info in temp file.
     void cacheDump();
@@ -763,13 +764,13 @@
         void onUidIdle(uid_t uid, bool disabled) override;
         void onUidStateChanged(uid_t uid, int32_t procState, int64_t procStateSeq,
                 int32_t capability) override;
-        void onUidProcAdjChanged(uid_t uid) override;
+        void onUidProcAdjChanged(uid_t uid, int adj) override;
 
         void addOverrideUid(uid_t uid, String16 callingPackage, bool active);
         void removeOverrideUid(uid_t uid, String16 callingPackage);
 
-        void registerMonitorUid(uid_t uid);
-        void unregisterMonitorUid(uid_t uid);
+        void registerMonitorUid(uid_t uid, bool openCamera);
+        void unregisterMonitorUid(uid_t uid, bool closeCamera);
 
         // Implementation of IServiceManager::LocalRegistrationCallback
         virtual void onServiceRegistration(const String16& name,
@@ -784,6 +785,8 @@
 
         struct MonitoredUid {
             int32_t procState;
+            int32_t procAdj;
+            bool hasCamera;
             size_t refCount;
         };
 
diff --git a/services/camera/libcameraservice/api2/CameraOfflineSessionClient.cpp b/services/camera/libcameraservice/api2/CameraOfflineSessionClient.cpp
index 66077c5..86a0ebc 100644
--- a/services/camera/libcameraservice/api2/CameraOfflineSessionClient.cpp
+++ b/services/camera/libcameraservice/api2/CameraOfflineSessionClient.cpp
@@ -264,7 +264,7 @@
     mOpsActive = true;
 
     // Transition device state to OPEN
-    sCameraService->mUidPolicy->registerMonitorUid(mClientUid);
+    sCameraService->mUidPolicy->registerMonitorUid(mClientUid, /*openCamera*/true);
 
     return OK;
 }
@@ -288,7 +288,7 @@
     }
     mOpsCallback.clear();
 
-    sCameraService->mUidPolicy->unregisterMonitorUid(mClientUid);
+    sCameraService->mUidPolicy->unregisterMonitorUid(mClientUid, /*closeCamera*/true);
 
     return OK;
 }
diff --git a/services/camera/libcameraservice/common/CameraProviderManager.cpp b/services/camera/libcameraservice/common/CameraProviderManager.cpp
index b7c86c6..77abeeb 100644
--- a/services/camera/libcameraservice/common/CameraProviderManager.cpp
+++ b/services/camera/libcameraservice/common/CameraProviderManager.cpp
@@ -2526,6 +2526,10 @@
             (mDeviceStateOrientationMap.find(newState) != mDeviceStateOrientationMap.end())) {
         mCameraCharacteristics.update(ANDROID_SENSOR_ORIENTATION,
                 &mDeviceStateOrientationMap[newState], 1);
+        if (mCameraCharNoPCOverride.get() != nullptr) {
+            mCameraCharNoPCOverride->update(ANDROID_SENSOR_ORIENTATION,
+                &mDeviceStateOrientationMap[newState], 1);
+        }
     }
 }
 
diff --git a/services/mediaresourcemanager/UidObserver.cpp b/services/mediaresourcemanager/UidObserver.cpp
index f321ebc..4bcd325 100644
--- a/services/mediaresourcemanager/UidObserver.cpp
+++ b/services/mediaresourcemanager/UidObserver.cpp
@@ -170,7 +170,7 @@
                                     int32_t /*capability*/) {
 }
 
-void UidObserver::onUidProcAdjChanged(uid_t /*uid*/) {
+void UidObserver::onUidProcAdjChanged(uid_t /*uid*/, int32_t /*adj*/) {
 }
 
 void UidObserver::binderDied(const wp<IBinder>& /*who*/) {
diff --git a/services/mediaresourcemanager/UidObserver.h b/services/mediaresourcemanager/UidObserver.h
index ed76839..b5cc3b9 100644
--- a/services/mediaresourcemanager/UidObserver.h
+++ b/services/mediaresourcemanager/UidObserver.h
@@ -74,7 +74,7 @@
     void onUidIdle(uid_t uid, bool disabled) override;
     void onUidStateChanged(uid_t uid, int32_t procState, int64_t procStateSeq,
             int32_t capability) override;
-    void onUidProcAdjChanged(uid_t uid) override;
+    void onUidProcAdjChanged(uid_t uid, int32_t adj) override;
 
     // IServiceManager::LocalRegistrationCallback implementation.
     void onServiceRegistration(const String16& name,
diff --git a/services/oboeservice/AAudioServiceEndpoint.cpp b/services/oboeservice/AAudioServiceEndpoint.cpp
index 2b94dbf..e7d14a0 100644
--- a/services/oboeservice/AAudioServiceEndpoint.cpp
+++ b/services/oboeservice/AAudioServiceEndpoint.cpp
@@ -196,11 +196,11 @@
             : AUDIO_SOURCE_DEFAULT;
     audio_flags_mask_t flags;
     if (direction == AAUDIO_DIRECTION_OUTPUT) {
-        flags = static_cast<audio_flags_mask_t>(AUDIO_FLAG_LOW_LATENCY
-                | AAudioConvert_allowCapturePolicyToAudioFlagsMask(
+        flags = AAudio_computeAudioFlagsMask(
                         params->getAllowedCapturePolicy(),
                         params->getSpatializationBehavior(),
-                        params->isContentSpatialized()));
+                        params->isContentSpatialized(),
+                        AUDIO_OUTPUT_FLAG_FAST);
     } else {
         flags = static_cast<audio_flags_mask_t>(AUDIO_FLAG_LOW_LATENCY
                 | AAudioConvert_privacySensitiveToAudioFlagsMask(params->isPrivacySensitive()));