diff --git a/media/libaudioclient/Android.bp b/media/libaudioclient/Android.bp
index b6ddf56..6c198d3 100644
--- a/media/libaudioclient/Android.bp
+++ b/media/libaudioclient/Android.bp
@@ -48,7 +48,7 @@
 cc_library {
     name: "libaudiopolicy",
     srcs: [
-        "AudioAttributes.cpp",
+        "VolumeGroupAttributes.cpp",
         "AudioPolicy.cpp",
         "AudioProductStrategy.cpp",
         "AudioVolumeGroup.cpp",
diff --git a/media/libaudioclient/AudioProductStrategy.cpp b/media/libaudioclient/AudioProductStrategy.cpp
index ecd423a..381faf6 100644
--- a/media/libaudioclient/AudioProductStrategy.cpp
+++ b/media/libaudioclient/AudioProductStrategy.cpp
@@ -18,7 +18,7 @@
 //#define LOG_NDEBUG 0
 #include <utils/Log.h>
 #include <media/AudioProductStrategy.h>
-#include <media/AudioAttributes.h>
+#include <media/VolumeGroupAttributes.h>
 #include <media/PolicyAidlConversion.h>
 
 namespace android {
@@ -42,8 +42,8 @@
     aidl.name = legacy.getName();
     aidl.audioAttributes = VALUE_OR_RETURN(
             convertContainer<std::vector<media::AudioAttributesEx>>(
-                    legacy.getAudioAttributes(),
-                    legacy2aidl_AudioAttributes_AudioAttributesEx));
+                    legacy.getVolumeGroupAttributes(),
+                    legacy2aidl_VolumeGroupAttributes_AudioAttributesEx));
     aidl.id = VALUE_OR_RETURN(legacy2aidl_product_strategy_t_int32_t(legacy.getId()));
     return aidl;
 }
@@ -53,9 +53,9 @@
     return AudioProductStrategy(
             aidl.name,
             VALUE_OR_RETURN(
-                    convertContainer<std::vector<AudioAttributes>>(
+                    convertContainer<std::vector<VolumeGroupAttributes>>(
                             aidl.audioAttributes,
-                            aidl2legacy_AudioAttributesEx_AudioAttributes)),
+                            aidl2legacy_AudioAttributesEx_VolumeGroupAttributes)),
             VALUE_OR_RETURN(aidl2legacy_int32_t_product_strategy_t(aidl.id)));
 }
 
diff --git a/media/libaudioclient/AudioSystem.cpp b/media/libaudioclient/AudioSystem.cpp
index 05f27b0..af00ab1 100644
--- a/media/libaudioclient/AudioSystem.cpp
+++ b/media/libaudioclient/AudioSystem.cpp
@@ -1336,7 +1336,7 @@
     return result.value_or(PRODUCT_STRATEGY_NONE);
 }
 
-status_t AudioSystem::getDevicesForAttributes(const AudioAttributes& aa,
+status_t AudioSystem::getDevicesForAttributes(const audio_attributes_t& aa,
                                               AudioDeviceTypeAddrVector* devices,
                                               bool forVolume) {
     if (devices == nullptr) {
@@ -1345,8 +1345,8 @@
     const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
     if (aps == 0) return PERMISSION_DENIED;
 
-    media::AudioAttributesEx aaAidl = VALUE_OR_RETURN_STATUS(
-            legacy2aidl_AudioAttributes_AudioAttributesEx(aa));
+    media::AudioAttributesInternal aaAidl = VALUE_OR_RETURN_STATUS(
+             legacy2aidl_audio_attributes_t_AudioAttributesInternal(aa));
     std::vector<AudioDevice> retAidl;
     RETURN_STATUS_IF_ERROR(
             statusTFromBinderStatus(aps->getDevicesForAttributes(aaAidl, forVolume, &retAidl)));
@@ -2093,7 +2093,7 @@
     AudioProductStrategyVector strategies;
     listAudioProductStrategies(strategies);
     for (const auto& strategy : strategies) {
-        auto attrVect = strategy.getAudioAttributes();
+        auto attrVect = strategy.getVolumeGroupAttributes();
         auto iter = std::find_if(begin(attrVect), end(attrVect), [&stream](const auto& attributes) {
             return attributes.getStreamType() == stream;
         });
@@ -2107,7 +2107,7 @@
 
 audio_stream_type_t AudioSystem::attributesToStreamType(const audio_attributes_t& attr) {
     product_strategy_t psId;
-    status_t ret = AudioSystem::getProductStrategyFromAudioAttributes(AudioAttributes(attr), psId);
+    status_t ret = AudioSystem::getProductStrategyFromAudioAttributes(attr, psId);
     if (ret != NO_ERROR) {
         ALOGE("no strategy found for attributes %s", toString(attr).c_str());
         return AUDIO_STREAM_MUSIC;
@@ -2116,7 +2116,7 @@
     listAudioProductStrategies(strategies);
     for (const auto& strategy : strategies) {
         if (strategy.getId() == psId) {
-            auto attrVect = strategy.getAudioAttributes();
+            auto attrVect = strategy.getVolumeGroupAttributes();
             auto iter = std::find_if(begin(attrVect), end(attrVect), [&attr](const auto& refAttr) {
                 return AudioProductStrategy::attributesMatches(
                         refAttr.getAttributes(), attr);
@@ -2137,14 +2137,14 @@
     return AUDIO_STREAM_MUSIC;
 }
 
-status_t AudioSystem::getProductStrategyFromAudioAttributes(const AudioAttributes& aa,
+status_t AudioSystem::getProductStrategyFromAudioAttributes(const audio_attributes_t& aa,
                                                             product_strategy_t& productStrategy,
                                                             bool fallbackOnDefault) {
     const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
     if (aps == 0) return PERMISSION_DENIED;
 
-    media::AudioAttributesEx aaAidl = VALUE_OR_RETURN_STATUS(
-            legacy2aidl_AudioAttributes_AudioAttributesEx(aa));
+    media::AudioAttributesInternal aaAidl = VALUE_OR_RETURN_STATUS(
+            legacy2aidl_audio_attributes_t_AudioAttributesInternal(aa));
     int32_t productStrategyAidl;
 
     RETURN_STATUS_IF_ERROR(statusTFromBinderStatus(
@@ -2167,14 +2167,14 @@
     return OK;
 }
 
-status_t AudioSystem::getVolumeGroupFromAudioAttributes(const AudioAttributes& aa,
+status_t AudioSystem::getVolumeGroupFromAudioAttributes(const audio_attributes_t &aa,
                                                         volume_group_t& volumeGroup,
                                                         bool fallbackOnDefault) {
     const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
     if (aps == 0) return PERMISSION_DENIED;
 
-    media::AudioAttributesEx aaAidl = VALUE_OR_RETURN_STATUS(
-            legacy2aidl_AudioAttributes_AudioAttributesEx(aa));
+    media::AudioAttributesInternal aaAidl = VALUE_OR_RETURN_STATUS(
+            legacy2aidl_audio_attributes_t_AudioAttributesInternal(aa));
     int32_t volumeGroupAidl;
     RETURN_STATUS_IF_ERROR(statusTFromBinderStatus(
             aps->getVolumeGroupFromAudioAttributes(aaAidl, fallbackOnDefault, &volumeGroupAidl)));
diff --git a/media/libaudioclient/AudioVolumeGroup.cpp b/media/libaudioclient/AudioVolumeGroup.cpp
index ab95246..978599e 100644
--- a/media/libaudioclient/AudioVolumeGroup.cpp
+++ b/media/libaudioclient/AudioVolumeGroup.cpp
@@ -23,7 +23,6 @@
 
 #include <media/AidlConversion.h>
 #include <media/AudioVolumeGroup.h>
-#include <media/AudioAttributes.h>
 #include <media/PolicyAidlConversion.h>
 
 namespace android {
diff --git a/media/libaudioclient/AudioAttributes.cpp b/media/libaudioclient/VolumeGroupAttributes.cpp
similarity index 73%
rename from media/libaudioclient/AudioAttributes.cpp
rename to media/libaudioclient/VolumeGroupAttributes.cpp
index 260c06c..2de4667 100644
--- a/media/libaudioclient/AudioAttributes.cpp
+++ b/media/libaudioclient/VolumeGroupAttributes.cpp
@@ -14,33 +14,33 @@
  * limitations under the License.
  */
 
-#define LOG_TAG "AudioAttributes"
+#define LOG_TAG "VolumeGroupAttributes"
 //#define LOG_NDEBUG 0
 #include <utils/Log.h>
 
 #include <binder/Parcel.h>
 
 #include <media/AidlConversion.h>
-#include <media/AudioAttributes.h>
+#include <media/VolumeGroupAttributes.h>
 #include <media/PolicyAidlConversion.h>
 
 namespace android {
 
-status_t AudioAttributes::readFromParcel(const Parcel* parcel) {
+status_t VolumeGroupAttributes::readFromParcel(const Parcel* parcel) {
     media::AudioAttributesEx aidl;
     RETURN_STATUS_IF_ERROR(aidl.readFromParcel(parcel));
-    *this = VALUE_OR_RETURN_STATUS(aidl2legacy_AudioAttributesEx_AudioAttributes(aidl));
+    *this = VALUE_OR_RETURN_STATUS(aidl2legacy_AudioAttributesEx_VolumeGroupAttributes(aidl));
     return OK;
 }
 
-status_t AudioAttributes::writeToParcel(Parcel* parcel) const {
+status_t VolumeGroupAttributes::writeToParcel(Parcel* parcel) const {
     media::AudioAttributesEx aidl = VALUE_OR_RETURN_STATUS(
-            legacy2aidl_AudioAttributes_AudioAttributesEx(*this));
+            legacy2aidl_VolumeGroupAttributes_AudioAttributesEx(*this));
     return aidl.writeToParcel(parcel);
 }
 
 ConversionResult<media::AudioAttributesEx>
-legacy2aidl_AudioAttributes_AudioAttributesEx(const AudioAttributes& legacy) {
+legacy2aidl_VolumeGroupAttributes_AudioAttributesEx(const VolumeGroupAttributes& legacy) {
     media::AudioAttributesEx aidl;
     aidl.attributes = VALUE_OR_RETURN(
             legacy2aidl_audio_attributes_t_AudioAttributesInternal(legacy.getAttributes()));
@@ -50,9 +50,9 @@
     return aidl;
 }
 
-ConversionResult<AudioAttributes>
-aidl2legacy_AudioAttributesEx_AudioAttributes(const media::AudioAttributesEx& aidl) {
-    return AudioAttributes(VALUE_OR_RETURN(aidl2legacy_int32_t_volume_group_t(aidl.groupId)),
+ConversionResult<VolumeGroupAttributes>
+aidl2legacy_AudioAttributesEx_VolumeGroupAttributes(const media::AudioAttributesEx& aidl) {
+    return VolumeGroupAttributes(VALUE_OR_RETURN(aidl2legacy_int32_t_volume_group_t(aidl.groupId)),
                            VALUE_OR_RETURN(aidl2legacy_AudioStreamType_audio_stream_type_t(
                                    aidl.streamType)),
                            VALUE_OR_RETURN(aidl2legacy_AudioAttributesInternal_audio_attributes_t(
diff --git a/media/libaudioclient/aidl/android/media/IAudioPolicyService.aidl b/media/libaudioclient/aidl/android/media/IAudioPolicyService.aidl
index 8ac89a8..24b59bf 100644
--- a/media/libaudioclient/aidl/android/media/IAudioPolicyService.aidl
+++ b/media/libaudioclient/aidl/android/media/IAudioPolicyService.aidl
@@ -137,7 +137,7 @@
 
     int /* product_strategy_t */ getStrategyForStream(AudioStreamType stream);
 
-    AudioDevice[] getDevicesForAttributes(in AudioAttributesEx attr, boolean forVolume);
+    AudioDevice[] getDevicesForAttributes(in AudioAttributesInternal attr, boolean forVolume);
 
     int /* audio_io_handle_t */ getOutputForEffect(in EffectDescriptor desc);
 
@@ -313,11 +313,11 @@
     boolean isUltrasoundSupported();
 
     AudioProductStrategy[] listAudioProductStrategies();
-    int /* product_strategy_t */ getProductStrategyFromAudioAttributes(in AudioAttributesEx aa,
-                                                                       boolean fallbackOnDefault);
+    int /* product_strategy_t */ getProductStrategyFromAudioAttributes(
+            in AudioAttributesInternal aa, boolean fallbackOnDefault);
 
     AudioVolumeGroup[] listAudioVolumeGroups();
-    int /* volume_group_t */ getVolumeGroupFromAudioAttributes(in AudioAttributesEx aa,
+    int /* volume_group_t */ getVolumeGroupFromAudioAttributes(in AudioAttributesInternal aa,
                                                                boolean fallbackOnDefault);
 
     void setRttEnabled(boolean enabled);
diff --git a/media/libaudioclient/include/media/AudioProductStrategy.h b/media/libaudioclient/include/media/AudioProductStrategy.h
index b55b506..7bcb5aa 100644
--- a/media/libaudioclient/include/media/AudioProductStrategy.h
+++ b/media/libaudioclient/include/media/AudioProductStrategy.h
@@ -20,7 +20,7 @@
 #include <android/media/AudioProductStrategy.h>
 #include <media/AidlConversionUtil.h>
 #include <media/AudioCommonTypes.h>
-#include <media/AudioAttributes.h>
+#include <media/VolumeGroupAttributes.h>
 #include <system/audio.h>
 #include <system/audio_policy.h>
 #include <binder/Parcelable.h>
@@ -31,12 +31,15 @@
 {
 public:
     AudioProductStrategy() {}
-    AudioProductStrategy(const std::string &name, const std::vector<AudioAttributes> &attributes,
+    AudioProductStrategy(const std::string &name,
+                         const std::vector<VolumeGroupAttributes> &attributes,
                          product_strategy_t id) :
-        mName(name), mAudioAttributes(attributes), mId(id) {}
+        mName(name), mVolumeGroupAttributes(attributes), mId(id) {}
 
     const std::string &getName() const { return mName; }
-    std::vector<AudioAttributes> getAudioAttributes() const { return mAudioAttributes; }
+    std::vector<VolumeGroupAttributes> getVolumeGroupAttributes() const {
+        return mVolumeGroupAttributes;
+    }
     product_strategy_t getId() const { return mId; }
 
     status_t readFromParcel(const Parcel *parcel) override;
@@ -58,7 +61,7 @@
                                   const audio_attributes_t clientAttritubes);
 private:
     std::string mName;
-    std::vector<AudioAttributes> mAudioAttributes;
+    std::vector<VolumeGroupAttributes> mVolumeGroupAttributes;
     product_strategy_t mId;
 };
 
diff --git a/media/libaudioclient/include/media/AudioSystem.h b/media/libaudioclient/include/media/AudioSystem.h
index 1c414ec..6e6b9c8 100644
--- a/media/libaudioclient/include/media/AudioSystem.h
+++ b/media/libaudioclient/include/media/AudioSystem.h
@@ -370,7 +370,7 @@
     static status_t getMinVolumeIndexForAttributes(const audio_attributes_t &attr, int &index);
 
     static product_strategy_t getStrategyForStream(audio_stream_type_t stream);
-    static status_t getDevicesForAttributes(const AudioAttributes &aa,
+    static status_t getDevicesForAttributes(const audio_attributes_t &aa,
                                             AudioDeviceTypeAddrVector *devices,
                                             bool forVolume);
 
@@ -494,7 +494,7 @@
 
     static status_t listAudioProductStrategies(AudioProductStrategyVector &strategies);
     static status_t getProductStrategyFromAudioAttributes(
-            const AudioAttributes &aa, product_strategy_t &productStrategy,
+            const audio_attributes_t &aa, product_strategy_t &productStrategy,
             bool fallbackOnDefault = true);
 
     static audio_attributes_t streamTypeToAttributes(audio_stream_type_t stream);
@@ -503,7 +503,8 @@
     static status_t listAudioVolumeGroups(AudioVolumeGroupVector &groups);
 
     static status_t getVolumeGroupFromAudioAttributes(
-            const AudioAttributes &aa, volume_group_t &volumeGroup, bool fallbackOnDefault = true);
+            const audio_attributes_t &aa, volume_group_t &volumeGroup,
+            bool fallbackOnDefault = true);
 
     static status_t setRttEnabled(bool enabled);
 
diff --git a/media/libaudioclient/include/media/AudioAttributes.h b/media/libaudioclient/include/media/VolumeGroupAttributes.h
similarity index 74%
rename from media/libaudioclient/include/media/AudioAttributes.h
rename to media/libaudioclient/include/media/VolumeGroupAttributes.h
index 24bd179..0859995 100644
--- a/media/libaudioclient/include/media/AudioAttributes.h
+++ b/media/libaudioclient/include/media/VolumeGroupAttributes.h
@@ -26,15 +26,20 @@
 
 namespace android {
 
-class AudioAttributes : public Parcelable
+class VolumeGroupAttributes : public Parcelable
 {
 public:
-    AudioAttributes() = default;
-    AudioAttributes(const audio_attributes_t &attributes) : mAttributes(attributes) {} // NOLINT
-    AudioAttributes(volume_group_t groupId,
+    VolumeGroupAttributes() = default;
+    VolumeGroupAttributes(const audio_attributes_t &attributes)
+        : mAttributes(attributes) {} // NOLINT
+    VolumeGroupAttributes(volume_group_t groupId,
                     audio_stream_type_t stream,
                     const audio_attributes_t &attributes) :
-         mAttributes(attributes), mStreamType(stream), mGroupId(groupId) {}
+         mAttributes(attributes), mStreamType(stream), mGroupId(groupId) {
+        // TODO: align native & JAVA source initializer.
+        // As far as this class concerns attributes for volume group, it applies only to playback.
+        mAttributes.source = AUDIO_SOURCE_INVALID;
+    }
 
     audio_attributes_t getAttributes() const { return mAttributes; }
 
@@ -61,8 +66,8 @@
 
 // AIDL conversion routines.
 ConversionResult<media::AudioAttributesEx>
-legacy2aidl_AudioAttributes_AudioAttributesEx(const AudioAttributes& legacy);
-ConversionResult<AudioAttributes>
-aidl2legacy_AudioAttributesEx_AudioAttributes(const media::AudioAttributesEx& aidl);
+legacy2aidl_VolumeGroupAttributes_AudioAttributesEx(const VolumeGroupAttributes& legacy);
+ConversionResult<VolumeGroupAttributes>
+aidl2legacy_AudioAttributesEx_VolumeGroupAttributes(const media::AudioAttributesEx& aidl);
 
 } // namespace android
diff --git a/media/libaudioclient/tests/audioclient_serialization_tests.cpp b/media/libaudioclient/tests/audioclient_serialization_tests.cpp
index ef8500b..07e53f8 100644
--- a/media/libaudioclient/tests/audioclient_serialization_tests.cpp
+++ b/media/libaudioclient/tests/audioclient_serialization_tests.cpp
@@ -119,16 +119,17 @@
 TEST_F(SerializationTest, AudioProductStrategyBinderization) {
     for (int j = 0; j < 512; j++) {
         const std::string name{"Test APSBinderization for seed::" + std::to_string(mSeed)};
-        std::vector<AudioAttributes> audioattributesvector;
+        std::vector<VolumeGroupAttributes> volumeGroupAttrVector;
         for (auto i = 0; i < 16; i++) {
             audio_attributes_t attributes;
             fillAudioAttributes(attributes);
-            AudioAttributes audioattributes{static_cast<volume_group_t>(rand()),
-                                            kStreamtypes[rand() % kStreamtypes.size()], attributes};
-            audioattributesvector.push_back(audioattributes);
+            VolumeGroupAttributes volumeGroupAttr{static_cast<volume_group_t>(rand()),
+                                                  kStreamtypes[rand() % kStreamtypes.size()],
+                                                  attributes};
+            volumeGroupAttrVector.push_back(volumeGroupAttr);
         }
         product_strategy_t psId = static_cast<product_strategy_t>(rand());
-        AudioProductStrategy aps{name, audioattributesvector, psId};
+        AudioProductStrategy aps{name, volumeGroupAttrVector, psId};
 
         Parcel p;
         EXPECT_EQ(NO_ERROR, aps.writeToParcel(&p)) << name;
@@ -138,12 +139,12 @@
         EXPECT_EQ(NO_ERROR, apsCopy.readFromParcel(&p)) << name;
         EXPECT_EQ(apsCopy.getName(), name) << name;
         EXPECT_EQ(apsCopy.getId(), psId) << name;
-        auto avec = apsCopy.getAudioAttributes();
-        EXPECT_EQ(avec.size(), audioattributesvector.size()) << name;
-        for (int i = 0; i < audioattributesvector.size(); i++) {
-            EXPECT_EQ(avec[i].getGroupId(), audioattributesvector[i].getGroupId()) << name;
-            EXPECT_EQ(avec[i].getStreamType(), audioattributesvector[i].getStreamType()) << name;
-            EXPECT_TRUE(avec[i].getAttributes() == audioattributesvector[i].getAttributes())
+        auto avec = apsCopy.getVolumeGroupAttributes();
+        EXPECT_EQ(avec.size(), volumeGroupAttrVector.size()) << name;
+        for (int i = 0; i < volumeGroupAttrVector.size(); i++) {
+            EXPECT_EQ(avec[i].getGroupId(), volumeGroupAttrVector[i].getGroupId()) << name;
+            EXPECT_EQ(avec[i].getStreamType(), volumeGroupAttrVector[i].getStreamType()) << name;
+            EXPECT_TRUE(avec[i].getAttributes() == volumeGroupAttrVector[i].getAttributes())
                     << name;
         }
     }
@@ -293,17 +294,17 @@
     audio_stream_type_t stream = mAudioStream;
     audio_attributes_t attributes;
     fillAudioAttributes(attributes);
-    AudioAttributes audioattributes{groupId, stream, attributes};
+    VolumeGroupAttributes volumeGroupAttr{groupId, stream, attributes};
 
     Parcel p;
-    EXPECT_EQ(NO_ERROR, audioattributes.writeToParcel(&p)) << msg;
+    EXPECT_EQ(NO_ERROR, volumeGroupAttr.writeToParcel(&p)) << msg;
 
-    AudioAttributes audioattributesCopy;
+    VolumeGroupAttributes volumeGroupAttrCopy;
     p.setDataPosition(0);
-    EXPECT_EQ(NO_ERROR, audioattributesCopy.readFromParcel(&p)) << msg;
-    EXPECT_EQ(audioattributesCopy.getGroupId(), audioattributes.getGroupId()) << msg;
-    EXPECT_EQ(audioattributesCopy.getStreamType(), audioattributes.getStreamType()) << msg;
-    EXPECT_TRUE(audioattributesCopy.getAttributes() == attributes) << msg;
+    EXPECT_EQ(NO_ERROR, volumeGroupAttrCopy.readFromParcel(&p)) << msg;
+    EXPECT_EQ(volumeGroupAttrCopy.getGroupId(), volumeGroupAttr.getGroupId()) << msg;
+    EXPECT_EQ(volumeGroupAttrCopy.getStreamType(), volumeGroupAttr.getStreamType()) << msg;
+    EXPECT_TRUE(volumeGroupAttrCopy.getAttributes() == attributes) << msg;
 }
 
 // audioStream
diff --git a/media/libaudioclient/tests/audiosystem_tests.cpp b/media/libaudioclient/tests/audiosystem_tests.cpp
index aed847c..3dd2c95 100644
--- a/media/libaudioclient/tests/audiosystem_tests.cpp
+++ b/media/libaudioclient/tests/audiosystem_tests.cpp
@@ -332,7 +332,7 @@
 
 bool isPublicStrategy(const AudioProductStrategy& strategy) {
     bool result = true;
-    for (auto& attribute : strategy.getAudioAttributes()) {
+    for (auto& attribute : strategy.getVolumeGroupAttributes()) {
         if (attribute.getAttributes() == AUDIO_ATTRIBUTES_INITIALIZER &&
             (uint32_t(attribute.getStreamType()) >= AUDIO_STREAM_PUBLIC_CNT)) {
             result = false;
@@ -371,7 +371,7 @@
     for (const auto& strategy : strategies) {
         if (!isPublicStrategy(strategy)) continue;
 
-        for (const auto& att : strategy.getAudioAttributes()) {
+        for (const auto& att : strategy.getVolumeGroupAttributes()) {
             if (strategy.attributesMatches(att.getAttributes(), attributes)) {
                 hasStrategyForMedia = true;
                 mediaStrategy = strategy;
diff --git a/services/audiopolicy/AudioPolicyInterface.h b/services/audiopolicy/AudioPolicyInterface.h
index c4c27e8..b85382e 100644
--- a/services/audiopolicy/AudioPolicyInterface.h
+++ b/services/audiopolicy/AudioPolicyInterface.h
@@ -307,13 +307,13 @@
     virtual status_t listAudioProductStrategies(AudioProductStrategyVector &strategies) = 0;
 
     virtual status_t getProductStrategyFromAudioAttributes(
-            const AudioAttributes &aa, product_strategy_t &productStrategy,
+            const audio_attributes_t &aa, product_strategy_t &productStrategy,
             bool fallbackOnDefault) = 0;
 
     virtual status_t listAudioVolumeGroups(AudioVolumeGroupVector &groups) = 0;
 
     virtual status_t getVolumeGroupFromAudioAttributes(
-            const AudioAttributes &aa, volume_group_t &volumeGroup, bool fallbackOnDefault) = 0;
+            const audio_attributes_t &aa, volume_group_t &volumeGroup, bool fallbackOnDefault) = 0;
 
     virtual bool     isCallScreenModeSupported() = 0;
 
diff --git a/services/audiopolicy/engine/common/include/ProductStrategy.h b/services/audiopolicy/engine/common/include/ProductStrategy.h
index 2aa2f9a..e8251e3 100644
--- a/services/audiopolicy/engine/common/include/ProductStrategy.h
+++ b/services/audiopolicy/engine/common/include/ProductStrategy.h
@@ -24,7 +24,7 @@
 #include <vector>
 
 #include <HandleGenerator.h>
-#include <media/AudioAttributes.h>
+#include <media/VolumeGroupAttributes.h>
 #include <media/AudioContainers.h>
 #include <media/AudioDeviceTypeAddr.h>
 #include <media/AudioPolicy.h>
@@ -43,20 +43,14 @@
 class ProductStrategy : public virtual RefBase, private HandleGenerator<uint32_t>
 {
 private:
-    struct AudioAttributes {
-        audio_stream_type_t mStream = AUDIO_STREAM_DEFAULT;
-        volume_group_t mVolumeGroup = VOLUME_GROUP_NONE;
-        audio_attributes_t mAttributes = AUDIO_ATTRIBUTES_INITIALIZER;
-    };
-
-    using AudioAttributesVector = std::vector<AudioAttributes>;
+    using VolumeGroupAttributesVector = std::vector<VolumeGroupAttributes>;
 
 public:
     ProductStrategy(const std::string &name);
 
-    void addAttributes(const AudioAttributes &audioAttributes);
+    void addAttributes(const VolumeGroupAttributes &volumeGroupAttributes);
 
-    std::vector<android::AudioAttributes> listAudioAttributes() const;
+    std::vector<android::VolumeGroupAttributes> listVolumeGroupAttributes() const;
 
     std::string getName() const { return mName; }
     AttributesVector getAudioAttributes() const;
@@ -105,7 +99,7 @@
 private:
     std::string mName;
 
-    AudioAttributesVector mAttributesVector;
+    VolumeGroupAttributesVector mAttributesVector;
 
     product_strategy_t mId;
 
diff --git a/services/audiopolicy/engine/common/src/EngineBase.cpp b/services/audiopolicy/engine/common/src/EngineBase.cpp
index 99507ee..9b78758 100644
--- a/services/audiopolicy/engine/common/src/EngineBase.cpp
+++ b/services/audiopolicy/engine/common/src/EngineBase.cpp
@@ -145,7 +145,7 @@
     };
     auto addSupportedAttributesToGroup = [](auto &group, auto &volumeGroup, auto &strategy) {
         for (const auto &attr : group.attributesVect) {
-            strategy->addAttributes({group.stream, volumeGroup->getId(), attr});
+            strategy->addAttributes({volumeGroup->getId(), group.stream, attr});
             volumeGroup->addSupportedAttributes(attr);
         }
     };
@@ -284,7 +284,7 @@
     for (const auto &iter : mProductStrategies) {
         const auto &productStrategy = iter.second;
         strategies.push_back(
-        {productStrategy->getName(), productStrategy->listAudioAttributes(),
+        {productStrategy->getName(), productStrategy->listVolumeGroupAttributes(),
          productStrategy->getId()});
     }
     return NO_ERROR;
diff --git a/services/audiopolicy/engine/common/src/ProductStrategy.cpp b/services/audiopolicy/engine/common/src/ProductStrategy.cpp
index fbfcf72..c104c97 100644
--- a/services/audiopolicy/engine/common/src/ProductStrategy.cpp
+++ b/services/audiopolicy/engine/common/src/ProductStrategy.cpp
@@ -36,16 +36,16 @@
 {
 }
 
-void ProductStrategy::addAttributes(const AudioAttributes &audioAttributes)
+void ProductStrategy::addAttributes(const VolumeGroupAttributes &volumeGroupAttributes)
 {
-    mAttributesVector.push_back(audioAttributes);
+    mAttributesVector.push_back(volumeGroupAttributes);
 }
 
-std::vector<android::AudioAttributes> ProductStrategy::listAudioAttributes() const
+std::vector<android::VolumeGroupAttributes> ProductStrategy::listVolumeGroupAttributes() const
 {
-    std::vector<android::AudioAttributes> androidAa;
+    std::vector<android::VolumeGroupAttributes> androidAa;
     for (const auto &attr : mAttributesVector) {
-        androidAa.push_back({attr.mVolumeGroup, attr.mStream, attr.mAttributes});
+        androidAa.push_back({attr.getGroupId(), attr.getStreamType(), attr.getAttributes()});
     }
     return androidAa;
 }
@@ -54,7 +54,7 @@
 {
     AttributesVector attrVector;
     for (const auto &attrGroup : mAttributesVector) {
-        attrVector.push_back(attrGroup.mAttributes);
+        attrVector.push_back(attrGroup.getAttributes());
     }
     if (not attrVector.empty()) {
         return attrVector;
@@ -66,7 +66,7 @@
 {
     return std::find_if(begin(mAttributesVector), end(mAttributesVector),
                         [&attr](const auto &supportedAttr) {
-        return AudioProductStrategy::attributesMatches(supportedAttr.mAttributes, attr);
+        return AudioProductStrategy::attributesMatches(supportedAttr.getAttributes(), attr);
     }) != end(mAttributesVector);
 }
 
@@ -75,11 +75,11 @@
 {
     const auto &iter = std::find_if(begin(mAttributesVector), end(mAttributesVector),
                                    [&attr](const auto &supportedAttr) {
-        return AudioProductStrategy::attributesMatches(supportedAttr.mAttributes, attr); });
+        return AudioProductStrategy::attributesMatches(supportedAttr.getAttributes(), attr); });
     if (iter == end(mAttributesVector)) {
         return AUDIO_STREAM_DEFAULT;
     }
-    audio_stream_type_t streamType = iter->mStream;
+    audio_stream_type_t streamType = iter->getStreamType();
     ALOGW_IF(streamType == AUDIO_STREAM_DEFAULT,
              "%s: Strategy %s supporting attributes %s has not stream type associated"
              "fallback on MUSIC. Do not use stream volume API", __func__, mName.c_str(),
@@ -91,23 +91,23 @@
 {
     const auto iter = std::find_if(begin(mAttributesVector), end(mAttributesVector),
                                    [&streamType](const auto &supportedAttr) {
-        return supportedAttr.mStream == streamType; });
-    return iter != end(mAttributesVector) ? iter->mAttributes : AUDIO_ATTRIBUTES_INITIALIZER;
+        return supportedAttr.getStreamType() == streamType; });
+    return iter != end(mAttributesVector) ? iter->getAttributes() : AUDIO_ATTRIBUTES_INITIALIZER;
 }
 
 bool ProductStrategy::isDefault() const
 {
     return std::find_if(begin(mAttributesVector), end(mAttributesVector), [](const auto &attr) {
-        return attr.mAttributes == defaultAttr; }) != end(mAttributesVector);
+        return attr.getAttributes() == defaultAttr; }) != end(mAttributesVector);
 }
 
 StreamTypeVector ProductStrategy::getSupportedStreams() const
 {
     StreamTypeVector streams;
     for (const auto &supportedAttr : mAttributesVector) {
-        if (std::find(begin(streams), end(streams), supportedAttr.mStream) == end(streams) &&
-                supportedAttr.mStream != AUDIO_STREAM_DEFAULT) {
-            streams.push_back(supportedAttr.mStream);
+        if (std::find(begin(streams), end(streams), supportedAttr.getStreamType())
+                == end(streams) && supportedAttr.getStreamType() != AUDIO_STREAM_DEFAULT) {
+            streams.push_back(supportedAttr.getStreamType());
         }
     }
     return streams;
@@ -117,14 +117,14 @@
 {
     return std::find_if(begin(mAttributesVector), end(mAttributesVector),
                         [&streamType](const auto &supportedAttr) {
-        return supportedAttr.mStream == streamType; }) != end(mAttributesVector);
+        return supportedAttr.getStreamType() == streamType; }) != end(mAttributesVector);
 }
 
 volume_group_t ProductStrategy::getVolumeGroupForAttributes(const audio_attributes_t &attr) const
 {
     for (const auto &supportedAttr : mAttributesVector) {
-        if (AudioProductStrategy::attributesMatches(supportedAttr.mAttributes, attr)) {
-            return supportedAttr.mVolumeGroup;
+        if (AudioProductStrategy::attributesMatches(supportedAttr.getAttributes(), attr)) {
+            return supportedAttr.getGroupId();
         }
     }
     return VOLUME_GROUP_NONE;
@@ -133,8 +133,8 @@
 volume_group_t ProductStrategy::getVolumeGroupForStreamType(audio_stream_type_t stream) const
 {
     for (const auto &supportedAttr : mAttributesVector) {
-        if (supportedAttr.mStream == stream) {
-            return supportedAttr.mVolumeGroup;
+        if (supportedAttr.getStreamType() == stream) {
+            return supportedAttr.getGroupId();
         }
     }
     return VOLUME_GROUP_NONE;
@@ -143,8 +143,10 @@
 volume_group_t ProductStrategy::getDefaultVolumeGroup() const
 {
     const auto &iter = std::find_if(begin(mAttributesVector), end(mAttributesVector),
-                                    [](const auto &attr) {return attr.mAttributes == defaultAttr;});
-    return iter != end(mAttributesVector) ? iter->mVolumeGroup : VOLUME_GROUP_NONE;
+                                    [](const auto &attr) {
+        return attr.getAttributes() == defaultAttr;
+    });
+    return iter != end(mAttributesVector) ? iter->getGroupId() : VOLUME_GROUP_NONE;
 }
 
 void ProductStrategy::dump(String8 *dst, int spaces) const
@@ -155,11 +157,11 @@
                        deviceLiteral.c_str(), mDeviceAddress.c_str());
 
     for (const auto &attr : mAttributesVector) {
-        dst->appendFormat("%*sGroup: %d stream: %s\n", spaces + 3, "", attr.mVolumeGroup,
-                          android::toString(attr.mStream).c_str());
+        dst->appendFormat("%*sGroup: %d stream: %s\n", spaces + 3, "", attr.getGroupId(),
+                          android::toString(attr.getStreamType()).c_str());
         dst->appendFormat("%*s Attributes: ", spaces + 3, "");
-        std::string attStr =
-                attr.mAttributes == defaultAttr ? "{ Any }" : android::toString(attr.mAttributes);
+        std::string attStr = attr.getAttributes() == defaultAttr ?
+                "{ Any }" : android::toString(attr.getAttributes());
         dst->appendFormat("%s\n", attStr.c_str());
     }
 }
diff --git a/services/audiopolicy/managerdefault/AudioPolicyManager.h b/services/audiopolicy/managerdefault/AudioPolicyManager.h
index 74460c7..fcfa192 100644
--- a/services/audiopolicy/managerdefault/AudioPolicyManager.h
+++ b/services/audiopolicy/managerdefault/AudioPolicyManager.h
@@ -356,11 +356,10 @@
         }
 
         virtual status_t getProductStrategyFromAudioAttributes(
-                const AudioAttributes &aa, product_strategy_t &productStrategy,
+                const audio_attributes_t &aa, product_strategy_t &productStrategy,
                 bool fallbackOnDefault)
         {
-            productStrategy = mEngine->getProductStrategyForAttributes(
-                    aa.getAttributes(), fallbackOnDefault);
+            productStrategy = mEngine->getProductStrategyForAttributes(aa, fallbackOnDefault);
             return (fallbackOnDefault && productStrategy == PRODUCT_STRATEGY_NONE) ?
                     BAD_VALUE : NO_ERROR;
         }
@@ -371,10 +370,9 @@
         }
 
         virtual status_t getVolumeGroupFromAudioAttributes(
-                const AudioAttributes &aa, volume_group_t &volumeGroup, bool fallbackOnDefault)
+                const audio_attributes_t &aa, volume_group_t &volumeGroup, bool fallbackOnDefault)
         {
-            volumeGroup = mEngine->getVolumeGroupForAttributes(
-                        aa.getAttributes(), fallbackOnDefault);
+            volumeGroup = mEngine->getVolumeGroupForAttributes(aa, fallbackOnDefault);
             return (fallbackOnDefault && volumeGroup == VOLUME_GROUP_NONE) ?
                     BAD_VALUE : NO_ERROR;
         }
diff --git a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
index b15b61d..e8be08f 100644
--- a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
+++ b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
@@ -1176,12 +1176,12 @@
     return Status::ok();
 }
 
-Status AudioPolicyService::getDevicesForAttributes(const media::AudioAttributesEx& attrAidl,
+Status AudioPolicyService::getDevicesForAttributes(const media::AudioAttributesInternal& attrAidl,
                                                    bool forVolume,
                                                    std::vector<AudioDevice>* _aidl_return)
 {
-    AudioAttributes aa = VALUE_OR_RETURN_BINDER_STATUS(
-            aidl2legacy_AudioAttributesEx_AudioAttributes(attrAidl));
+    audio_attributes_t aa = VALUE_OR_RETURN_BINDER_STATUS(
+            aidl2legacy_AudioAttributesInternal_audio_attributes_t(attrAidl));
     AudioDeviceTypeAddrVector devices;
 
     if (mAudioPolicyManager == NULL) {
@@ -1190,8 +1190,7 @@
     Mutex::Autolock _l(mLock);
     AutoCallerClear acc;
     RETURN_IF_BINDER_ERROR(binderStatusFromStatusT(
-            mAudioPolicyManager->getDevicesForAttributes(
-                    aa.getAttributes(), &devices, forVolume)));
+            mAudioPolicyManager->getDevicesForAttributes(aa, &devices, forVolume)));
     *_aidl_return = VALUE_OR_RETURN_BINDER_STATUS(
             convertContainer<std::vector<AudioDevice>>(devices,
                                                        legacy2aidl_AudioDeviceTypeAddress));
@@ -2084,9 +2083,10 @@
 }
 
 Status AudioPolicyService::getProductStrategyFromAudioAttributes(
-        const media::AudioAttributesEx& aaAidl, bool fallbackOnDefault, int32_t* _aidl_return) {
-    AudioAttributes aa = VALUE_OR_RETURN_BINDER_STATUS(
-            aidl2legacy_AudioAttributesEx_AudioAttributes(aaAidl));
+        const media::AudioAttributesInternal& aaAidl,
+        bool fallbackOnDefault, int32_t* _aidl_return) {
+    audio_attributes_t aa = VALUE_OR_RETURN_BINDER_STATUS(
+            aidl2legacy_AudioAttributesInternal_audio_attributes_t(aaAidl));
     product_strategy_t productStrategy;
 
     if (mAudioPolicyManager == NULL) {
@@ -2117,9 +2117,10 @@
 }
 
 Status AudioPolicyService::getVolumeGroupFromAudioAttributes(
-        const media::AudioAttributesEx& aaAidl, bool fallbackOnDefault, int32_t* _aidl_return) {
-    AudioAttributes aa = VALUE_OR_RETURN_BINDER_STATUS(
-            aidl2legacy_AudioAttributesEx_AudioAttributes(aaAidl));
+        const media::AudioAttributesInternal& aaAidl,
+        bool fallbackOnDefault, int32_t* _aidl_return) {
+    audio_attributes_t aa = VALUE_OR_RETURN_BINDER_STATUS(
+            aidl2legacy_AudioAttributesInternal_audio_attributes_t(aaAidl));
     volume_group_t volumeGroup;
 
     if (mAudioPolicyManager == NULL) {
diff --git a/services/audiopolicy/service/AudioPolicyService.h b/services/audiopolicy/service/AudioPolicyService.h
index 5c37f99..3a7fffa 100644
--- a/services/audiopolicy/service/AudioPolicyService.h
+++ b/services/audiopolicy/service/AudioPolicyService.h
@@ -134,7 +134,7 @@
                                                   int32_t* _aidl_return) override;
     binder::Status getStrategyForStream(AudioStreamType stream,
                                         int32_t* _aidl_return) override;
-    binder::Status getDevicesForAttributes(const media::AudioAttributesEx& attr,
+    binder::Status getDevicesForAttributes(const media::AudioAttributesInternal& attr,
                                            bool forVolume,
                                            std::vector<AudioDevice>* _aidl_return) override;
     binder::Status getOutputForEffect(const media::EffectDescriptor& desc,
@@ -224,12 +224,12 @@
     binder::Status isUltrasoundSupported(bool* _aidl_return) override;
     binder::Status listAudioProductStrategies(
             std::vector<media::AudioProductStrategy>* _aidl_return) override;
-    binder::Status getProductStrategyFromAudioAttributes(const media::AudioAttributesEx& aa,
+    binder::Status getProductStrategyFromAudioAttributes(const media::AudioAttributesInternal& aa,
                                                          bool fallbackOnDefault,
                                                          int32_t* _aidl_return) override;
     binder::Status listAudioVolumeGroups(
             std::vector<media::AudioVolumeGroup>* _aidl_return) override;
-    binder::Status getVolumeGroupFromAudioAttributes(const media::AudioAttributesEx& aa,
+    binder::Status getVolumeGroupFromAudioAttributes(const media::AudioAttributesInternal& aa,
                                                      bool fallbackOnDefault,
                                                      int32_t* _aidl_return) override;
     binder::Status setRttEnabled(bool enabled) override;