Merge "Decouple the configuration from the AudioPolicyManager"
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/codec2/components/avc/C2SoftAvcEnc.cpp b/media/codec2/components/avc/C2SoftAvcEnc.cpp
index 9c054f0..e424860 100644
--- a/media/codec2/components/avc/C2SoftAvcEnc.cpp
+++ b/media/codec2/components/avc/C2SoftAvcEnc.cpp
@@ -334,7 +334,10 @@
         // By default needsUpdate = false in case the supplied level does meet
         // the requirements. For Level 1b, we want to update the level anyway,
         // so we set it to true in that case.
-        bool needsUpdate = (me.v.level == LEVEL_AVC_1B);
+        bool needsUpdate = false;
+        if (me.v.level == LEVEL_AVC_1B || !me.F(me.v.level).supportsAtAll(me.v.level)) {
+            needsUpdate = true;
+        }
         for (const LevelLimits &limit : kLimits) {
             if (mbs <= limit.mbs && mbsPerSec <= limit.mbsPerSec &&
                     bitrate.v.value <= limit.bitrate) {
diff --git a/media/codec2/components/hevc/C2SoftHevcEnc.cpp b/media/codec2/components/hevc/C2SoftHevcEnc.cpp
index 56e6e8a..ec1dd14 100644
--- a/media/codec2/components/hevc/C2SoftHevcEnc.cpp
+++ b/media/codec2/components/hevc/C2SoftHevcEnc.cpp
@@ -341,6 +341,9 @@
         // By default needsUpdate = false in case the supplied level does meet
         // the requirements.
         bool needsUpdate = false;
+        if (!me.F(me.v.level).supportsAtAll(me.v.level)) {
+            needsUpdate = true;
+        }
         for (const LevelLimits &limit : kLimits) {
             if (samples <= limit.samples && samplesPerSec <= limit.samplesPerSec &&
                     bitrate.v.value <= limit.bitrate) {
diff --git a/media/codec2/components/mpeg4_h263/C2SoftMpeg4Enc.cpp b/media/codec2/components/mpeg4_h263/C2SoftMpeg4Enc.cpp
index 95610fa..acc42e9 100644
--- a/media/codec2/components/mpeg4_h263/C2SoftMpeg4Enc.cpp
+++ b/media/codec2/components/mpeg4_h263/C2SoftMpeg4Enc.cpp
@@ -243,6 +243,9 @@
             needsUpdate = true;
         }
 #endif
+        if (!me.F(me.v.level).supportsAtAll(me.v.level)) {
+            needsUpdate = true;
+        }
         for (const LevelLimits &limit : kLimits) {
             if (sampleRate <= limit.sampleRate && size.v.width <= limit.width &&
                     vbvSize <= limit.vbvSize && size.v.height <= limit.height &&
@@ -265,14 +268,16 @@
                 needsUpdate = true;
             }
         }
-        // If not found, set to the highest supported level.
-        if (!found) {
+        // If not found or exceeds max level, set to the highest supported level.
 #ifdef MPEG4
+        if (!found || me.v.level > LEVEL_MP4V_2) {
             me.set().level = LEVEL_MP4V_2;
-#else
-            me.set().level = LEVEL_H263_40;
-#endif
         }
+#else
+        if (!found || (me.v.level != LEVEL_H263_45 && me.v.level > LEVEL_H263_40)) {
+            me.set().level = LEVEL_H263_40;
+        }
+#endif
         return C2R::Ok();
     }
 
@@ -288,18 +293,6 @@
         return (uint32_t)c2_max(c2_min(period + 0.5, double(UINT32_MAX)), 1.);
     }
 
-    ProfileLevelType getProfileLevel_l() const {
-#ifdef MPEG4
-        if (mProfileLevel->level == LEVEL_MP4V_0) return SIMPLE_PROFILE_LEVEL0;
-        else if (mProfileLevel->level == LEVEL_MP4V_1) return SIMPLE_PROFILE_LEVEL1;
-        return SIMPLE_PROFILE_LEVEL2;  // level == LEVEL_MP4V_2
-#else
-        // library does not export h263 specific levels. No way to map C2 enums to
-        // library specific constants. Return max supported level.
-        return CORE_PROFILE_LEVEL2;
-#endif
-    }
-
    private:
     std::shared_ptr<C2StreamUsageTuning::input> mUsage;
     std::shared_ptr<C2StreamPictureSizeInfo::input> mSize;
@@ -416,7 +409,7 @@
     mEncParams->encFrameRate[0] = mFrameRate->value + 0.5;
     mEncParams->rcType = VBR_1;
     mEncParams->vbvDelay = VBV_DELAY;
-    mEncParams->profile_level = mProfileLevel;
+    mEncParams->profile_level = CORE_PROFILE_LEVEL2;
     mEncParams->packetSize = 32;
     mEncParams->rvlcEnable = PV_OFF;
     mEncParams->numLayers = 1;
@@ -457,7 +450,6 @@
         mSize = mIntf->getSize_l();
         mBitrate = mIntf->getBitrate_l();
         mFrameRate = mIntf->getFrameRate_l();
-        mProfileLevel = mIntf->getProfileLevel_l();
     }
     c2_status_t err = initEncParams();
     if (C2_OK != err) {
diff --git a/media/codec2/components/mpeg4_h263/C2SoftMpeg4Enc.h b/media/codec2/components/mpeg4_h263/C2SoftMpeg4Enc.h
index e5c8ea6..43461fc 100644
--- a/media/codec2/components/mpeg4_h263/C2SoftMpeg4Enc.h
+++ b/media/codec2/components/mpeg4_h263/C2SoftMpeg4Enc.h
@@ -65,7 +65,6 @@
     std::shared_ptr<C2StreamPictureSizeInfo::input> mSize;
     std::shared_ptr<C2StreamFrameRateInfo::output> mFrameRate;
     std::shared_ptr<C2StreamBitrateInfo::output> mBitrate;
-    ProfileLevelType mProfileLevel;
 
     int64_t  mNumInputFrames;
     MP4EncodingMode mEncodeMode;
diff --git a/media/codec2/components/vpx/C2SoftVpxEnc.cpp b/media/codec2/components/vpx/C2SoftVpxEnc.cpp
index 5700e5d..e903069 100644
--- a/media/codec2/components/vpx/C2SoftVpxEnc.cpp
+++ b/media/codec2/components/vpx/C2SoftVpxEnc.cpp
@@ -263,6 +263,9 @@
     // By default needsUpdate = false in case the supplied level does meet
     // the requirements.
     bool needsUpdate = false;
+    if (!me.F(me.v.level).supportsAtAll(me.v.level)) {
+        needsUpdate = true;
+    }
     for (const LevelLimits& limit : kLimits) {
         if (samples <= limit.samples && samplesPerSec <= limit.samplesPerSec &&
             bitrate.v.value <= limit.bitrate && dimension <= limit.dimension) {
diff --git a/media/codec2/sfplugin/CCodecBufferChannel.cpp b/media/codec2/sfplugin/CCodecBufferChannel.cpp
index fc82426..137507b 100644
--- a/media/codec2/sfplugin/CCodecBufferChannel.cpp
+++ b/media/codec2/sfplugin/CCodecBufferChannel.cpp
@@ -147,6 +147,8 @@
       mCCodecCallback(callback),
       mFrameIndex(0u),
       mFirstValidFrameIndex(0u),
+      mIsSurfaceToDisplay(false),
+      mHasPresentFenceTimes(false),
       mMetaMode(MODE_NONE),
       mInputMetEos(false),
       mSendEncryptedInfoBuffer(false) {
@@ -983,21 +985,36 @@
 
     int64_t mediaTimeUs = 0;
     (void)buffer->meta()->findInt64("timeUs", &mediaTimeUs);
-    mCCodecCallback->onOutputFramesRendered(mediaTimeUs, timestampNs);
-    trackReleasedFrame(qbo, mediaTimeUs, timestampNs);
-    processRenderedFrames(qbo.frameTimestamps);
+    if (mIsSurfaceToDisplay) {
+        trackReleasedFrame(qbo, mediaTimeUs, timestampNs);
+        processRenderedFrames(qbo.frameTimestamps);
+    } else {
+        // When the surface is an intermediate surface, onFrameRendered is triggered immediately
+        // when the frame is queued to the non-display surface
+        mCCodecCallback->onOutputFramesRendered(mediaTimeUs, timestampNs);
+    }
 
     return OK;
 }
 
 void CCodecBufferChannel::initializeFrameTrackingFor(ANativeWindow * window) {
+    mTrackedFrames.clear();
+
+    int isSurfaceToDisplay = 0;
+    window->query(window, NATIVE_WINDOW_QUEUES_TO_WINDOW_COMPOSER, &isSurfaceToDisplay);
+    mIsSurfaceToDisplay = isSurfaceToDisplay == 1;
+    // No frame tracking is needed if we're not sending frames to the display
+    if (!mIsSurfaceToDisplay) {
+        // Return early so we don't call into SurfaceFlinger (requiring permissions)
+        return;
+    }
+
     int hasPresentFenceTimes = 0;
     window->query(window, NATIVE_WINDOW_FRAME_TIMESTAMPS_SUPPORTS_PRESENT, &hasPresentFenceTimes);
     mHasPresentFenceTimes = hasPresentFenceTimes == 1;
     if (mHasPresentFenceTimes) {
         ALOGI("Using latch times for frame rendered signals - present fences not supported");
     }
-    mTrackedFrames.clear();
 }
 
 void CCodecBufferChannel::trackReleasedFrame(const IGraphicBufferProducer::QueueBufferOutput& qbo,
@@ -2066,7 +2083,10 @@
     // csd cannot be re-ordered and will always arrive first.
     if (initData != nullptr) {
         Mutexed<Output>::Locked output(mOutput);
-        if (output->buffers && outputFormat) {
+        if (!output->buffers) {
+            return false;
+        }
+        if (outputFormat) {
             output->buffers->updateSkipCutBuffer(outputFormat);
             output->buffers->setFormat(outputFormat);
         }
@@ -2075,7 +2095,7 @@
         }
         size_t index;
         sp<MediaCodecBuffer> outBuffer;
-        if (output->buffers && output->buffers->registerCsd(initData, &index, &outBuffer) == OK) {
+        if (output->buffers->registerCsd(initData, &index, &outBuffer) == OK) {
             outBuffer->meta()->setInt64("timeUs", timestamp.peek());
             outBuffer->meta()->setInt32("flags", BUFFER_FLAG_CODEC_CONFIG);
             ALOGV("[%s] onWorkDone: csd index = %zu [%p]", mName, index, outBuffer.get());
diff --git a/media/codec2/sfplugin/CCodecBufferChannel.h b/media/codec2/sfplugin/CCodecBufferChannel.h
index 73299d7..e68d8ef 100644
--- a/media/codec2/sfplugin/CCodecBufferChannel.h
+++ b/media/codec2/sfplugin/CCodecBufferChannel.h
@@ -333,6 +333,7 @@
     sp<MemoryDealer> makeMemoryDealer(size_t heapSize);
 
     std::deque<TrackedFrame> mTrackedFrames;
+    bool mIsSurfaceToDisplay;
     bool mHasPresentFenceTimes;
 
     struct OutputSurface {
diff --git a/media/libaudioclient/Android.bp b/media/libaudioclient/Android.bp
index 30658f7..bffcee6 100644
--- a/media/libaudioclient/Android.bp
+++ b/media/libaudioclient/Android.bp
@@ -300,11 +300,13 @@
         "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/EffectDescriptor.aidl",
         "aidl/android/media/TrackSecondaryOutputInfo.aidl",
+        "aidl/android/media/SurroundSoundConfig.aidl",
     ],
     imports: [
         "android.media.audio.common.types-V2",
diff --git a/media/libaudioclient/AudioTrack.cpp b/media/libaudioclient/AudioTrack.cpp
index cb1a67d..12f5013 100644
--- a/media/libaudioclient/AudioTrack.cpp
+++ b/media/libaudioclient/AudioTrack.cpp
@@ -1598,13 +1598,16 @@
     }
 
     AutoMutex lock(mLock);
+    // IAudioTrack::stop() isn't synchronous; we don't know when presentation completes
+    if (mState == STATE_STOPPED || mState == STATE_FLUSHED) {
+        *position = 0;
+        return NO_ERROR;
+    }
     // FIXME: offloaded and direct tracks call into the HAL for render positions
     // for compressed/synced data; however, we use proxy position for pure linear pcm data
     // as we do not know the capability of the HAL for pcm position support and standby.
     // There may be some latency differences between the HAL position and the proxy position.
     if (isOffloadedOrDirect_l() && !isPurePcmData_l()) {
-        uint32_t dspFrames = 0;
-
         if (isOffloaded_l() && ((mState == STATE_PAUSED) || (mState == STATE_PAUSED_STOPPING))) {
             ALOGV("%s(%d): called in paused state, return cached position %u",
                 __func__, mPortId, mPausedPosition);
@@ -1612,13 +1615,15 @@
             return NO_ERROR;
         }
 
+        uint32_t dspFrames = 0;
         if (mOutput != AUDIO_IO_HANDLE_NONE) {
             uint32_t halFrames; // actually unused
-            (void) AudioSystem::getRenderPosition(mOutput, &halFrames, &dspFrames);
             // FIXME: on getRenderPosition() error, we return OK with frame position 0.
+            if (AudioSystem::getRenderPosition(mOutput, &halFrames, &dspFrames) != NO_ERROR) {
+                *position = 0;
+                return NO_ERROR;
+            }
         }
-        // FIXME: dspFrames may not be zero in (mState == STATE_STOPPED || mState == STATE_FLUSHED)
-        // due to hardware latency. We leave this behavior for now.
         *position = dspFrames;
     } else {
         if (mCblk->mFlags & CBLK_INVALID) {
@@ -1626,11 +1631,9 @@
             // FIXME: for compatibility with the Java API we ignore the restoreTrack_l()
             // error here (e.g. DEAD_OBJECT) and return OK with the last recorded server position.
         }
-
-        // IAudioTrack::stop() isn't synchronous; we don't know when presentation completes
-        *position = (mState == STATE_STOPPED || mState == STATE_FLUSHED) ?
-                0 : updateAndGetPosition_l().value();
+        *position = updateAndGetPosition_l().value();
     }
+
     return NO_ERROR;
 }
 
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/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/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 1e3d45f..30a4bf9 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",
     ],
@@ -281,15 +282,17 @@
         "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 a8a48ae..1390c16 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;
 
@@ -1028,8 +989,8 @@
     return p.ext.get<AudioPortExt::Tag::device>().device == device;
 }
 
-status_t DeviceHalAidl::createPortConfig(
-        const AudioPortConfig& requestedPortConfig, PortConfigs::iterator* result) {
+status_t DeviceHalAidl::createOrUpdatePortConfig(
+        const AudioPortConfig& requestedPortConfig, PortConfigs::iterator* result, bool* created) {
     TIME_CHECK();
     AudioPortConfig appliedPortConfig;
     bool applied = false;
@@ -1044,11 +1005,17 @@
             return NO_INIT;
         }
     }
-    auto id = appliedPortConfig.id;
-    auto [it, inserted] = mPortConfigs.emplace(std::move(id), std::move(appliedPortConfig));
-    LOG_ALWAYS_FATAL_IF(!inserted, "%s: port config with id %d already exists",
-            __func__, it->first);
+
+    int32_t id = appliedPortConfig.id;
+    if (requestedPortConfig.id != 0 && requestedPortConfig.id != id) {
+        LOG_ALWAYS_FATAL("%s: requested port config id %d changed to %d", __func__,
+                requestedPortConfig.id, id);
+    }
+
+    auto [it, inserted] = mPortConfigs.insert_or_assign(std::move(id),
+            std::move(appliedPortConfig));
     *result = it;
+    *created = inserted;
     return OK;
 }
 
@@ -1083,7 +1050,7 @@
     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()) {
@@ -1095,8 +1062,11 @@
         }
         AudioPortConfig requestedPortConfig;
         requestedPortConfig.portId = portsIt->first;
-        RETURN_STATUS_IF_ERROR(createPortConfig(requestedPortConfig, &portConfigIt));
-        *created = true;
+        if (config != nullptr) {
+            setPortConfigFromConfig(&requestedPortConfig, *config);
+        }
+        RETURN_STATUS_IF_ERROR(createOrUpdatePortConfig(requestedPortConfig, &portConfigIt,
+                created));
     } else {
         *created = false;
     }
@@ -1146,15 +1116,29 @@
             requestedPortConfig.ext.get<AudioPortExt::Tag::mix>().usecase =
                     AudioPortMixExtUseCase::make<AudioPortMixExtUseCase::Tag::source>(source);
         }
-        RETURN_STATUS_IF_ERROR(createPortConfig(requestedPortConfig, &portConfigIt));
-        *created = true;
+        RETURN_STATUS_IF_ERROR(createOrUpdatePortConfig(requestedPortConfig, &portConfigIt,
+                created));
     } else if (!flags.has_value()) {
         ALOGW("%s: mix port config for %s, handle %d not found in the module %s, "
                 "and was not created as flags are not specified",
                 __func__, config.toString().c_str(), ioHandle, mInstance.c_str());
         return BAD_VALUE;
     } else {
-        *created = false;
+        AudioPortConfig requestedPortConfig = portConfigIt->second;
+        if (requestedPortConfig.ext.getTag() == AudioPortExt::Tag::mix) {
+            AudioPortMixExt& mixExt = requestedPortConfig.ext.get<AudioPortExt::Tag::mix>();
+            if (mixExt.usecase.getTag() == AudioPortMixExtUseCase::Tag::source &&
+                    source != AudioSource::SYS_RESERVED_INVALID) {
+                mixExt.usecase.get<AudioPortMixExtUseCase::Tag::source>() = source;
+            }
+        }
+
+        if (requestedPortConfig != portConfigIt->second) {
+            RETURN_STATUS_IF_ERROR(createOrUpdatePortConfig(requestedPortConfig, &portConfigIt,
+                    created));
+        } else {
+            *created = false;
+        }
     }
     *portConfig = portConfigIt->second;
     return OK;
@@ -1183,7 +1167,8 @@
                 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());
@@ -1212,7 +1197,6 @@
             [&](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) {
@@ -1225,10 +1209,20 @@
                         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(
@@ -1236,7 +1230,24 @@
                 (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) {
@@ -1318,18 +1329,20 @@
         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 fd0cd54..d2d4342 100644
--- a/media/libaudiohal/impl/DeviceHalAidl.h
+++ b/media/libaudiohal/impl/DeviceHalAidl.h
@@ -68,6 +68,10 @@
 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;
 
@@ -181,6 +185,7 @@
     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>>;
@@ -199,9 +204,9 @@
             const ::aidl::android::media::audio::common::AudioPort& p);
     bool audioDeviceMatches(const ::aidl::android::media::audio::common::AudioDevice& device,
             const ::aidl::android::media::audio::common::AudioPortConfig& p);
-    status_t createPortConfig(
+    status_t createOrUpdatePortConfig(
             const ::aidl::android::media::audio::common::AudioPortConfig& requestedPortConfig,
-            PortConfigs::iterator* result);
+            PortConfigs::iterator* result, bool *created);
     status_t findOrCreatePatch(
         const std::set<int32_t>& sourcePortConfigIds,
         const std::set<int32_t>& sinkPortConfigIds,
@@ -211,6 +216,7 @@
         ::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(
@@ -278,7 +284,9 @@
     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;
diff --git a/media/libaudiohal/impl/DeviceHalHidl.cpp b/media/libaudiohal/impl/DeviceHalHidl.cpp
index 12acebd..a028e3b 100644
--- a/media/libaudiohal/impl/DeviceHalHidl.cpp
+++ b/media/libaudiohal/impl/DeviceHalHidl.cpp
@@ -79,6 +79,15 @@
     }
 }
 
+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;
@@ -405,6 +414,7 @@
 
 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);
@@ -447,6 +457,7 @@
 }
 
 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;
@@ -511,6 +522,7 @@
 #endif
 
 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 MAJOR_VERSION == 7 && MINOR_VERSION == 1
diff --git a/media/libaudiohal/impl/DeviceHalHidl.h b/media/libaudiohal/impl/DeviceHalHidl.h
index 132aad7..5f8b376 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;
 
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/impl/StreamHalAidl.cpp b/media/libaudiohal/impl/StreamHalAidl.cpp
index 6c43591..eccdfe8 100644
--- a/media/libaudiohal/impl/StreamHalAidl.cpp
+++ b/media/libaudiohal/impl/StreamHalAidl.cpp
@@ -436,8 +436,7 @@
     ALOGD("%p %s::%s", this, getClassName().c_str(), __func__);
     TIME_CHECK();
     if (!mStream) return NO_INIT;
-    ALOGE("%s not implemented yet", __func__);
-    return OK;
+    return statusTFromBinderStatus(mStream->prepareToClose());
 }
 
 status_t StreamHalAidl::createMmapBuffer(int32_t minSizeFrames __unused,
diff --git a/media/libaudiohal/impl/StreamHalHidl.cpp b/media/libaudiohal/impl/StreamHalHidl.cpp
index 192790c..2b0af49 100644
--- a/media/libaudiohal/impl/StreamHalHidl.cpp
+++ b/media/libaudiohal/impl/StreamHalHidl.cpp
@@ -979,9 +979,10 @@
 }
 
 status_t StreamOutHalHidl::exit() {
-    // FIXME this is using hard-coded strings but in the future, this functionality will be
-    //       converted to use audio HAL extensions required to support tunneling
-    return setParameters(String8("exiting=1"));
+    // Signal exiting to remote_submix HAL.
+    AudioParameter param;
+    param.addInt(String8(AudioParameter::keyExiting), 1);
+    return setParameters(param.toString());
 }
 
 StreamInHalHidl::StreamInHalHidl(
diff --git a/media/libaudiohal/impl/effectsAidlConversion/AidlConversionVisualizer.cpp b/media/libaudiohal/impl/effectsAidlConversion/AidlConversionVisualizer.cpp
index 2d5af59..b4440ee 100644
--- a/media/libaudiohal/impl/effectsAidlConversion/AidlConversionVisualizer.cpp
+++ b/media/libaudiohal/impl/effectsAidlConversion/AidlConversionVisualizer.cpp
@@ -52,6 +52,7 @@
     Parameter aidlParam;
     switch (type) {
         case VISUALIZER_PARAM_CAPTURE_SIZE: {
+            mCaptureSize = value;
             aidlParam = MAKE_SPECIFIC_PARAMETER(Visualizer, visualizer, captureSamples, value);
             break;
         }
diff --git a/media/libaudiohal/include/media/audiohal/DeviceHalInterface.h b/media/libaudiohal/include/media/audiohal/DeviceHalInterface.h
index 2523ba6..c144cb1 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>
@@ -34,6 +36,10 @@
 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;
 
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/libaudioprocessing/AudioMixer.cpp b/media/libaudioprocessing/AudioMixer.cpp
index e6fdb1d..d891d6a 100644
--- a/media/libaudioprocessing/AudioMixer.cpp
+++ b/media/libaudioprocessing/AudioMixer.cpp
@@ -190,7 +190,7 @@
 
     // See if we should use our built-in non-effect downmixer.
     if (mMixerInFormat == AUDIO_FORMAT_PCM_FLOAT
-            && mMixerChannelMask == AUDIO_CHANNEL_OUT_STEREO
+            && ChannelMixBufferProvider::isOutputChannelMaskSupported(mMixerChannelMask)
             && audio_channel_mask_get_representation(channelMask)
                     == AUDIO_CHANNEL_REPRESENTATION_POSITION) {
         mDownmixerBufferProvider.reset(new ChannelMixBufferProvider(channelMask,
diff --git a/media/libaudioprocessing/BufferProviders.cpp b/media/libaudioprocessing/BufferProviders.cpp
index 4658db8..8bb8a2b 100644
--- a/media/libaudioprocessing/BufferProviders.cpp
+++ b/media/libaudioprocessing/BufferProviders.cpp
@@ -373,18 +373,23 @@
                 audio_bytes_per_sample(format)
                     * audio_channel_count_from_out_mask(outputChannelMask),
                 bufferFrameCount)
+        , mChannelMix{format == AUDIO_FORMAT_PCM_FLOAT
+                ? audio_utils::channels::IChannelMix::create(outputChannelMask) : nullptr}
+        , mIsValid{mChannelMix && mChannelMix->setInputChannelMask(inputChannelMask)}
 {
     ALOGV("ChannelMixBufferProvider(%p)(%#x, %#x, %#x)",
             this, format, inputChannelMask, outputChannelMask);
-    if (outputChannelMask == AUDIO_CHANNEL_OUT_STEREO && format == AUDIO_FORMAT_PCM_FLOAT) {
-        mIsValid = mChannelMix.setInputChannelMask(inputChannelMask);
-    }
 }
 
 void ChannelMixBufferProvider::copyFrames(void *dst, const void *src, size_t frames)
 {
-    mChannelMix.process(static_cast<const float *>(src), static_cast<float *>(dst),
-            frames, false /* accumulate */);
+    if (mIsValid) {
+        mChannelMix->process(static_cast<const float *>(src), static_cast<float *>(dst),
+                frames, false /* accumulate */);
+    } else {
+        // Should fall back to a different BufferProvider if not valid.
+        ALOGE("%s: Use without being valid!", __func__);
+    }
 }
 
 ReformatBufferProvider::ReformatBufferProvider(int32_t channelCount,
diff --git a/media/libaudioprocessing/include/media/BufferProviders.h b/media/libaudioprocessing/include/media/BufferProviders.h
index b3ab8a5..7d89cc2 100644
--- a/media/libaudioprocessing/include/media/BufferProviders.h
+++ b/media/libaudioprocessing/include/media/BufferProviders.h
@@ -142,9 +142,14 @@
 
     bool isValid() const { return mIsValid; }
 
+    static bool isOutputChannelMaskSupported(audio_channel_mask_t outputChannelMask) {
+        return audio_utils::channels::IChannelMix::isOutputChannelMaskSupported(
+                outputChannelMask);
+    }
+
 protected:
-    audio_utils::channels::ChannelMix mChannelMix;
-    bool mIsValid = false;
+    const std::shared_ptr<audio_utils::channels::IChannelMix> mChannelMix;
+    const bool mIsValid;
 };
 
 // RemixBufferProvider derives from CopyBufferProvider to perform an
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/downmix/EffectDownmix.cpp b/media/libeffects/downmix/EffectDownmix.cpp
index d8f5787..b921537 100644
--- a/media/libeffects/downmix/EffectDownmix.cpp
+++ b/media/libeffects/downmix/EffectDownmix.cpp
@@ -40,7 +40,7 @@
     downmix_type_t type;
     bool apply_volume_correction;
     uint8_t input_channel_count;
-    android::audio_utils::channels::ChannelMix channelMix;
+    android::audio_utils::channels::ChannelMix<AUDIO_CHANNEL_OUT_STEREO> channelMix;
 };
 
 typedef struct downmix_module_s {
@@ -259,7 +259,7 @@
     ret = Downmix_Init(module);
     if (ret < 0) {
         ALOGW("DownmixLib_Create() init failed");
-        free(module);
+        delete module;
         return ret;
     }
 
@@ -582,7 +582,7 @@
     ALOGV("Downmix_Init module %p", pDwmModule);
     int ret = 0;
 
-    memset(&pDwmModule->context, 0, sizeof(downmix_object_t));
+    pDwmModule->context = downmix_object_t{};  // zero initialize (contains class with vtable).
 
     pDwmModule->config.inputCfg.accessMode = EFFECT_BUFFER_ACCESS_READ;
     pDwmModule->config.inputCfg.format = AUDIO_FORMAT_PCM_FLOAT;
diff --git a/media/libeffects/downmix/aidl/DownmixContext.h b/media/libeffects/downmix/aidl/DownmixContext.h
index 9a9f2da..1571c38 100644
--- a/media/libeffects/downmix/aidl/DownmixContext.h
+++ b/media/libeffects/downmix/aidl/DownmixContext.h
@@ -56,7 +56,7 @@
     DownmixState mState;
     Downmix::Type mType;
     ::aidl::android::media::audio::common::AudioChannelLayout mChMask;
-    ::android::audio_utils::channels::ChannelMix mChannelMix;
+    ::android::audio_utils::channels::ChannelMix<AUDIO_CHANNEL_OUT_STEREO> mChannelMix;
 
     // Common Params
     void init_params(const Parameter::Common& common);
diff --git a/media/libeffects/downmix/benchmark/downmix_benchmark.cpp b/media/libeffects/downmix/benchmark/downmix_benchmark.cpp
index d9d40ed..c4e0d65 100644
--- a/media/libeffects/downmix/benchmark/downmix_benchmark.cpp
+++ b/media/libeffects/downmix/benchmark/downmix_benchmark.cpp
@@ -60,34 +60,35 @@
 static constexpr size_t kFrameCount = 1000;
 
 /*
-Pixel 4XL
-$ adb shell /data/benchmarktest/downmix_benchmark/vendor/downmix_benchmark
+Pixel 7
+$ atest downmix_benchmark
 
 --------------------------------------------------------
 Benchmark              Time             CPU   Iterations
 --------------------------------------------------------
-BM_Downmix/0        3638 ns         3624 ns       197517 AUDIO_CHANNEL_OUT_MONO
-BM_Downmix/1        4040 ns         4024 ns       178766
-BM_Downmix/2        4759 ns         4740 ns       134741 AUDIO_CHANNEL_OUT_STEREO
-BM_Downmix/3        6042 ns         6017 ns       129546 AUDIO_CHANNEL_OUT_2POINT1
-BM_Downmix/4        6897 ns         6868 ns        96316 AUDIO_CHANNEL_OUT_2POINT0POINT2
-BM_Downmix/5        2117 ns         2109 ns       331705 AUDIO_CHANNEL_OUT_QUAD
-BM_Downmix/6        2097 ns         2088 ns       335421 AUDIO_CHANNEL_OUT_QUAD_SIDE
-BM_Downmix/7        7291 ns         7263 ns        96256 AUDIO_CHANNEL_OUT_SURROUND
-BM_Downmix/8        8246 ns         8206 ns        84318 AUDIO_CHANNEL_OUT_2POINT1POINT2
-BM_Downmix/9        8341 ns         8303 ns        84298 AUDIO_CHANNEL_OUT_3POINT0POINT2
-BM_Downmix/10       7549 ns         7517 ns        84293 AUDIO_CHANNEL_OUT_PENTA
-BM_Downmix/11       9395 ns         9354 ns        75209 AUDIO_CHANNEL_OUT_3POINT1POINT2
-BM_Downmix/12       3267 ns         3253 ns       215596 AUDIO_CHANNEL_OUT_5POINT1
-BM_Downmix/13       3178 ns         3163 ns       220132 AUDIO_CHANNEL_OUT_5POINT1_SIDE
-BM_Downmix/14      10245 ns        10199 ns        67486 AUDIO_CHANNEL_OUT_6POINT1
-BM_Downmix/15      10975 ns        10929 ns        61359 AUDIO_CHANNEL_OUT_5POINT1POINT2
-BM_Downmix/16       3796 ns         3780 ns       184728 AUDIO_CHANNEL_OUT_7POINT1
-BM_Downmix/17      13562 ns        13503 ns        51823 AUDIO_CHANNEL_OUT_5POINT1POINT4
-BM_Downmix/18      13573 ns        13516 ns        51800 AUDIO_CHANNEL_OUT_7POINT1POINT2
-BM_Downmix/19      15502 ns        15435 ns        47147 AUDIO_CHANNEL_OUT_7POINT1POINT4
-BM_Downmix/20      16693 ns        16624 ns        42109 AUDIO_CHANNEL_OUT_13POINT_360RA
-BM_Downmix/21      28267 ns        28116 ns        24982 AUDIO_CHANNEL_OUT_22POINT2
+downmix_benchmark:
+  #BM_Downmix/0     2216 ns    2208 ns       308323
+  #BM_Downmix/1     2237 ns    2228 ns       314730
+  #BM_Downmix/2      270 ns     268 ns      2681469
+  #BM_Downmix/3     3016 ns    2999 ns       234146
+  #BM_Downmix/4     3331 ns    3313 ns       212026
+  #BM_Downmix/5      816 ns     809 ns       864395
+  #BM_Downmix/6      813 ns     809 ns       863876
+  #BM_Downmix/7     3336 ns    3319 ns       211938
+  #BM_Downmix/8     3786 ns    3762 ns       185047
+  #BM_Downmix/9     3810 ns    3797 ns       186840
+  #BM_Downmix/10    3767 ns    3746 ns       187015
+  #BM_Downmix/11    4212 ns    4191 ns       166119
+  #BM_Downmix/12    1245 ns    1231 ns       574388
+  #BM_Downmix/13    1234 ns    1228 ns       574743
+  #BM_Downmix/14    4795 ns    4771 ns       147157
+  #BM_Downmix/15    1334 ns    1327 ns       527728
+  #BM_Downmix/16    1346 ns    1332 ns       525444
+  #BM_Downmix/17    2144 ns    2121 ns       333343
+  #BM_Downmix/18    2133 ns    2118 ns       330391
+  #BM_Downmix/19    2527 ns    2513 ns       278553
+  #BM_Downmix/20    8148 ns    8113 ns        86136
+  #BM_Downmix/21    6332 ns    6301 ns       111134
 */
 
 static void BM_Downmix(benchmark::State& state) {
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/spatializer/benchmarks/spatializer_benchmark.cpp b/media/libeffects/spatializer/benchmarks/spatializer_benchmark.cpp
index e8ac480..e2177db 100644
--- a/media/libeffects/spatializer/benchmarks/spatializer_benchmark.cpp
+++ b/media/libeffects/spatializer/benchmarks/spatializer_benchmark.cpp
@@ -31,6 +31,7 @@
                 (audio_effect_library_t*)dlsym(effectLib, AUDIO_EFFECT_LIBRARY_INFO_SYM_AS_STR);
         if (effectInterface == nullptr) {
             ALOGE("dlsym failed: %s", dlerror());
+            dlclose(effectLib);
             exit(-1);
         }
         symbol = (audio_effect_library_t)(*effectInterface);
diff --git a/media/libeffects/spatializer/tests/SpatializerTest.cpp b/media/libeffects/spatializer/tests/SpatializerTest.cpp
index 110fbb1..3db42b6 100644
--- a/media/libeffects/spatializer/tests/SpatializerTest.cpp
+++ b/media/libeffects/spatializer/tests/SpatializerTest.cpp
@@ -30,6 +30,7 @@
                 (audio_effect_library_t*)dlsym(effectLib, AUDIO_EFFECT_LIBRARY_INFO_SYM_AS_STR);
         if (effectInterface == nullptr) {
             ALOGE("dlsym failed: %s", dlerror());
+            dlclose(effectLib);
             exit(-1);
         }
         symbol = (audio_effect_library_t)(*effectInterface);
diff --git a/media/libmediahelper/AudioParameter.cpp b/media/libmediahelper/AudioParameter.cpp
index 9a8156e..e25f9b7 100644
--- a/media/libmediahelper/AudioParameter.cpp
+++ b/media/libmediahelper/AudioParameter.cpp
@@ -32,6 +32,8 @@
 const char * const AudioParameter::keyFrameCount = AUDIO_PARAMETER_STREAM_FRAME_COUNT;
 const char * const AudioParameter::keyInputSource = AUDIO_PARAMETER_STREAM_INPUT_SOURCE;
 const char * const AudioParameter::keyScreenState = AUDIO_PARAMETER_KEY_SCREEN_STATE;
+const char * const AudioParameter::keyClosing = AUDIO_PARAMETER_KEY_CLOSING;
+const char * const AudioParameter::keyExiting = AUDIO_PARAMETER_KEY_EXITING;
 const char * const AudioParameter::keyBtNrec = AUDIO_PARAMETER_KEY_BT_NREC;
 const char * const AudioParameter::keyHwAvSync = AUDIO_PARAMETER_HW_AV_SYNC;
 const char * const AudioParameter::keyPresentationId = AUDIO_PARAMETER_STREAM_PRESENTATION_ID;
diff --git a/media/libmediahelper/include/media/AudioParameter.h b/media/libmediahelper/include/media/AudioParameter.h
index 41aff7c..6c34a4f 100644
--- a/media/libmediahelper/include/media/AudioParameter.h
+++ b/media/libmediahelper/include/media/AudioParameter.h
@@ -49,6 +49,12 @@
     static const char * const keyInputSource;
     static const char * const keyScreenState;
 
+    // TODO(b/73175392) consider improvement to AIDL StreamOut interface.
+    // keyClosing: "true" when AudioOutputDescriptor is closing.  Used by A2DP HAL.
+    // keyExiting: "1" on AudioFlinger Thread preExit.  Used by remote_submix and A2DP HAL.
+    static const char * const keyClosing;
+    static const char * const keyExiting;
+
     //  keyBtNrec: BT SCO Noise Reduction + Echo Cancellation parameters
     //  keyHwAvSync: get HW synchronization source identifier from a device
     //  keyMonoOutput: Enable mono audio playback
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.cpp b/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.cpp
index 0382df3..57c4791 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.cpp
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.cpp
@@ -157,7 +157,8 @@
       mTotalBuffersQueued(0),
       mLastAudioBufferDrained(0),
       mUseAudioCallback(false),
-      mWakeLock(new AWakeLock()) {
+      mWakeLock(new AWakeLock()),
+      mNeedVideoClearAnchor(false) {
     CHECK(mediaClock != NULL);
     mPlaybackRate = mPlaybackSettings.mSpeed;
     mMediaClock->setPlaybackRate(mPlaybackRate);
@@ -234,6 +235,10 @@
             return err;
         }
     }
+
+    if (!mHasAudio && mHasVideo) {
+        mNeedVideoClearAnchor = true;
+    }
     mPlaybackSettings = rate;
     mPlaybackRate = rate.mSpeed;
     mMediaClock->setPlaybackRate(mPlaybackRate);
@@ -327,7 +332,6 @@
             mNextVideoTimeMediaUs = -1;
         }
 
-        mMediaClock->clearAnchor();
         mVideoLateByUs = 0;
         mSyncQueues = false;
     }
@@ -1346,6 +1350,10 @@
 
     {
         Mutex::Autolock autoLock(mLock);
+        if (mNeedVideoClearAnchor && !mHasAudio) {
+            mNeedVideoClearAnchor = false;
+            clearAnchorTime();
+        }
         if (mAnchorTimeMediaUs < 0) {
             mMediaClock->updateAnchor(mediaTimeUs, nowUs, mediaTimeUs);
             mAnchorTimeMediaUs = mediaTimeUs;
@@ -1500,6 +1508,8 @@
                         mNextVideoTimeMediaUs + kDefaultVideoFrameIntervalUs);
             }
         }
+    } else {
+        mHasVideo = false;
     }
 }
 
@@ -1661,6 +1671,7 @@
         } else {
             notifyComplete = mNotifyCompleteVideo;
             mNotifyCompleteVideo = false;
+            mHasVideo = false;
         }
 
         // If we're currently syncing the queues, i.e. dropping audio while
@@ -1673,7 +1684,17 @@
         // is flushed.
         syncQueuesDone_l();
     }
-    clearAnchorTime();
+
+    if (audio && mDrainVideoQueuePending) {
+        // Audio should not clear anchor(MediaClock) directly, because video
+        // postDrainVideoQueue sets msg kWhatDrainVideoQueue into MediaClock
+        // timer, clear anchor without update immediately may block msg posting.
+        // So, postpone clear action to video to ensure anchor can be updated
+        // immediately after clear
+        mNeedVideoClearAnchor = true;
+    } else {
+        clearAnchorTime();
+    }
 
     ALOGV("flushing %s", audio ? "audio" : "video");
     if (audio) {
diff --git a/media/libmediaplayerservice/nuplayer/include/nuplayer/NuPlayerRenderer.h b/media/libmediaplayerservice/nuplayer/include/nuplayer/NuPlayerRenderer.h
index 3640678..2659979 100644
--- a/media/libmediaplayerservice/nuplayer/include/nuplayer/NuPlayerRenderer.h
+++ b/media/libmediaplayerservice/nuplayer/include/nuplayer/NuPlayerRenderer.h
@@ -304,6 +304,9 @@
     int64_t getDurationUsIfPlayedAtSampleRate(uint32_t numFrames);
 
     DISALLOW_EVIL_CONSTRUCTORS(Renderer);
+
+private:
+    bool mNeedVideoClearAnchor;
 };
 
 } // namespace android
diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index 2ef4feb..e1d4796 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -1827,6 +1827,8 @@
         String8(AudioParameter::keyStreamSupportedFormats),
         String8(AudioParameter::keyStreamSupportedChannels),
         String8(AudioParameter::keyStreamSupportedSamplingRates),
+        String8(AudioParameter::keyClosing),
+        String8(AudioParameter::keyExiting),
     };
 
     if (isAudioServerUid(callingUid)) {
diff --git a/services/audioflinger/Threads.cpp b/services/audioflinger/Threads.cpp
index 2821f1f..02d058f 100644
--- a/services/audioflinger/Threads.cpp
+++ b/services/audioflinger/Threads.cpp
@@ -6056,12 +6056,12 @@
     if (status == NO_ERROR) {
         status = mOutput->stream->setParameters(keyValuePair);
         if (!mStandby && status == INVALID_OPERATION) {
+            ALOGW("%s: setParameters failed with keyValuePair %s, entering standby",
+                    __func__, keyValuePair.c_str());
             mOutput->standby();
-            if (!mStandby) {
-                mThreadMetrics.logEndInterval();
-                mThreadSnapshot.onEnd();
-                mStandby = true;
-            }
+            mThreadMetrics.logEndInterval();
+            mThreadSnapshot.onEnd();
+            mStandby = true;
             mBytesWritten = 0;
             status = mOutput->stream->setParameters(keyValuePair);
         }
@@ -6253,7 +6253,8 @@
                 mFlushPending = true;
             }
         } else /* mType == OFFLOAD */ {
-            if (previousTrack->sessionId() != latestTrack->sessionId()) {
+            if (previousTrack->sessionId() != latestTrack->sessionId() ||
+                previousTrack->isFlushPending()) {
                 mFlushPending = true;
             }
         }
diff --git a/services/audiopolicy/common/managerdefinitions/src/AudioOutputDescriptor.cpp b/services/audiopolicy/common/managerdefinitions/src/AudioOutputDescriptor.cpp
index 8eefe77..be13340 100644
--- a/services/audiopolicy/common/managerdefinitions/src/AudioOutputDescriptor.cpp
+++ b/services/audiopolicy/common/managerdefinitions/src/AudioOutputDescriptor.cpp
@@ -674,8 +674,10 @@
             }
         }
 
+        // TODO(b/73175392) consider improving the AIDL interface.
+        // Signal closing to A2DP HAL.
         AudioParameter param;
-        param.add(String8("closing"), String8("true"));
+        param.add(String8(AudioParameter::keyClosing), String8("true"));
         mClientInterface->setParameters(mIoHandle, param.toString());
 
         mClientInterface->closeOutput(mIoHandle);
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 f34427c..0df3962 100644
--- a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
+++ b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
@@ -460,14 +460,14 @@
     }
     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 6761a35..b343f34 100644
--- a/services/audiopolicy/service/AudioPolicyService.cpp
+++ b/services/audiopolicy/service/AudioPolicyService.cpp
@@ -254,7 +254,8 @@
     }
 
     // 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);
     {
@@ -273,7 +274,7 @@
         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.
diff --git a/services/audiopolicy/service/Spatializer.cpp b/services/audiopolicy/service/Spatializer.cpp
index 5db82f7..f0d5274 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 60030bd..a657b7f 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>
@@ -94,7 +95,8 @@
                     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/camera/libcameraservice/common/hidl/HidlProviderInfo.cpp b/services/camera/libcameraservice/common/hidl/HidlProviderInfo.cpp
index fec7f05..468b644 100644
--- a/services/camera/libcameraservice/common/hidl/HidlProviderInfo.cpp
+++ b/services/camera/libcameraservice/common/hidl/HidlProviderInfo.cpp
@@ -692,6 +692,11 @@
 
     mTorchStrengthLevel = 0;
 
+    if (!kEnableLazyHal) {
+        // Save HAL reference indefinitely
+        mSavedInterface = interface;
+    }
+
     queryPhysicalCameraIds();
 
     // Get physical camera characteristics if applicable
@@ -752,13 +757,6 @@
             }
         }
     }
-
-    if (!kEnableLazyHal) {
-        // Save HAL reference indefinitely
-        mSavedInterface = interface;
-    }
-
-
 }
 
 status_t HidlProviderInfo::HidlDeviceInfo3::setTorchMode(bool enabled) {