Merge "Update comment to match new API." into main
diff --git a/drm/mediadrm/plugins/clearkey/aidl/DrmPlugin.cpp b/drm/mediadrm/plugins/clearkey/aidl/DrmPlugin.cpp
index 31cb7c0..8a93132 100644
--- a/drm/mediadrm/plugins/clearkey/aidl/DrmPlugin.cpp
+++ b/drm/mediadrm/plugins/clearkey/aidl/DrmPlugin.cpp
@@ -37,7 +37,6 @@
 const int kSecureStopIdStart = 100;
 const std::string kOfflineLicense("\"type\":\"persistent-license\"");
 const std::string kStreaming("Streaming");
-const std::string kTemporaryLicense("\"type\":\"temporary\"");
 const std::string kTrue("True");
 
 const std::string kQueryKeyLicenseType("LicenseType");
diff --git a/drm/mediadrm/plugins/clearkey/common/JsonWebKey.cpp b/drm/mediadrm/plugins/clearkey/common/JsonWebKey.cpp
index ddbc594..cd129ac 100644
--- a/drm/mediadrm/plugins/clearkey/common/JsonWebKey.cpp
+++ b/drm/mediadrm/plugins/clearkey/common/JsonWebKey.cpp
@@ -27,10 +27,7 @@
 const std::string kKeyTypeTag("kty");
 const std::string kKeyTag("k");
 const std::string kKeyIdTag("kid");
-const std::string kMediaSessionType("type");
-const std::string kPersistentLicenseSession("persistent-license");
 const std::string kSymmetricKeyValue("oct");
-const std::string kTemporaryLicenseSession("temporary");
 }  // namespace
 
 namespace clearkeydrm {
diff --git a/media/codec2/hal/common/MultiAccessUnitHelper.cpp b/media/codec2/hal/common/MultiAccessUnitHelper.cpp
index 55bf7a9..b287b91 100644
--- a/media/codec2/hal/common/MultiAccessUnitHelper.cpp
+++ b/media/codec2/hal/common/MultiAccessUnitHelper.cpp
@@ -327,10 +327,10 @@
                 newWork->worklets.front()->component = inWork->worklets.front()->component;
                 std::vector<std::unique_ptr<C2Tuning>> tunings;
                 for (std::unique_ptr<C2Tuning>& tuning : inWork->worklets.front()->tunings) {
-                    tunings.push_back(std::move(
+                    tunings.push_back(
                             std::unique_ptr<C2Tuning>(
                                     static_cast<C2Tuning*>(
-                                            C2Param::Copy(*(tuning.get())).release()))));
+                                            C2Param::Copy(*(tuning.get())).release())));
                 }
                 newWork->worklets.front()->tunings = std::move(tunings);
             }
@@ -344,7 +344,7 @@
                     << inputOrdinal.frameIndex.peekull()
                     << ") -> newFrameIndex " << newFrameIdx
                     <<" : input ts " << inputOrdinal.timestamp.peekull();
-            sliceWork.push_back(std::move(cloneInputWork(w, w->input.flags)));
+            sliceWork.push_back(cloneInputWork(w, w->input.flags));
             if (!w->input.buffers.empty() && w->input.buffers.front() != nullptr) {
                 sliceWork.back()->input.buffers = std::move(w->input.buffers);
             }
@@ -853,4 +853,4 @@
     mLargeWork.reset();
 }
 
-}  // namespace android
\ No newline at end of file
+}  // namespace android
diff --git a/media/codec2/hal/hidl/1.0/vts/functional/video/VtsHalMediaC2V1_0TargetVideoDecTest.cpp b/media/codec2/hal/hidl/1.0/vts/functional/video/VtsHalMediaC2V1_0TargetVideoDecTest.cpp
index f8fd425..4a956f5 100644
--- a/media/codec2/hal/hidl/1.0/vts/functional/video/VtsHalMediaC2V1_0TargetVideoDecTest.cpp
+++ b/media/codec2/hal/hidl/1.0/vts/functional/video/VtsHalMediaC2V1_0TargetVideoDecTest.cpp
@@ -139,6 +139,20 @@
         mReorderDepth = -1;
         mTimestampDevTest = false;
         mMd5Offset = 0;
+        mIsTunneledCodec = false;
+
+        // For C2 codecs that support tunneling by default, the default value of
+        // C2PortTunneledModeTuning::mode should (!= NONE). Otherwise VTS
+        // can assume that the codec can support regular (non-tunneled decode)
+        queried.clear();
+        c2err = mComponent->query(
+                {}, {C2PortTunneledModeTuning::output::PARAM_TYPE}, C2_MAY_BLOCK, &queried);
+        if (c2err == C2_OK && !queried.empty() && queried.front() != nullptr) {
+            C2TunneledModeStruct::mode_t tunneledMode =
+                    ((C2PortTunneledModeTuning::output*)queried.front().get())->m.mode;
+            mIsTunneledCodec = (tunneledMode != C2TunneledModeStruct::NONE);
+        }
+
         mMd5Enable = false;
         mRefMd5 = nullptr;
 
@@ -308,6 +322,7 @@
 
     bool mEos;
     bool mDisableTest;
+    bool mIsTunneledCodec;
     bool mMd5Enable;
     bool mTimestampDevTest;
     uint64_t mTimestampUs;
@@ -612,11 +627,14 @@
 
     bool signalEOS = std::get<3>(GetParam());
     surfaceMode_t surfMode = std::get<4>(GetParam());
-    mTimestampDevTest = true;
+    // Disable checking timestamp as tunneled codecs doesn't populate
+    // output buffers in C2Work.
+    mTimestampDevTest = !mIsTunneledCodec;
 
     android::Vector<FrameInfo> Info;
 
-    mMd5Enable = true;
+    // Disable md5 checks as tunneled codecs doesn't populate output buffers in C2Work
+    mMd5Enable = !mIsTunneledCodec;
     if (!mChksumFile.compare(sResourceDir)) mMd5Enable = false;
 
     uint32_t format = HAL_PIXEL_FORMAT_YCBCR_420_888;
@@ -712,7 +730,9 @@
     typedef std::unique_lock<std::mutex> ULock;
     ASSERT_EQ(mComponent->start(), C2_OK);
 
-    mTimestampDevTest = true;
+    // Disable checking timestamp as tunneled codecs doesn't populate
+    // output buffers in C2Work.
+    mTimestampDevTest = !mIsTunneledCodec;
     uint32_t timestampOffset = 0;
     uint32_t offset = 0;
     android::Vector<FrameInfo> Info;
diff --git a/media/codec2/sfplugin/CCodecBufferChannel.cpp b/media/codec2/sfplugin/CCodecBufferChannel.cpp
index 1348ef0..7583e6f 100644
--- a/media/codec2/sfplugin/CCodecBufferChannel.cpp
+++ b/media/codec2/sfplugin/CCodecBufferChannel.cpp
@@ -2807,7 +2807,6 @@
         work->input.infoBuffers.emplace_back(*buffer);
         work->worklets.emplace_back(new C2Worklet);
         items.push_back(std::move(work));
-        c2_status_t err = mComponent->queue(&items);
     }
 }
 
diff --git a/media/libaudioclient/aidl/android/media/OpenOutputRequest.aidl b/media/libaudioclient/aidl/android/media/OpenOutputRequest.aidl
index ddda8bb..73610a8 100644
--- a/media/libaudioclient/aidl/android/media/OpenOutputRequest.aidl
+++ b/media/libaudioclient/aidl/android/media/OpenOutputRequest.aidl
@@ -19,6 +19,7 @@
 import android.media.AudioPortFw;
 import android.media.audio.common.AudioConfig;
 import android.media.audio.common.AudioConfigBase;
+import android.media.audio.common.AudioAttributes;
 
 /**
  * {@hide}
@@ -32,4 +33,5 @@
     AudioPortFw device;
     /** Bitmask, indexed by AudioOutputFlag. */
     int flags;
+    AudioAttributes attributes;
 }
diff --git a/media/libstagefright/MediaCodec.cpp b/media/libstagefright/MediaCodec.cpp
index 857b08a..b380ade 100644
--- a/media/libstagefright/MediaCodec.cpp
+++ b/media/libstagefright/MediaCodec.cpp
@@ -487,7 +487,7 @@
                                     .id = getId(mClient),
                                     .name = mCodecName,
                                     .importance = mImportance};
-        return std::move(clientInfo);
+        return clientInfo;
     }
 
 private:
diff --git a/media/utils/ServiceUtilities.cpp b/media/utils/ServiceUtilities.cpp
index 7bec8cf..ffcde42 100644
--- a/media/utils/ServiceUtilities.cpp
+++ b/media/utils/ServiceUtilities.cpp
@@ -286,7 +286,7 @@
 bool modifyAudioRoutingAllowed(const AttributionSourceState& attributionSource) {
     uid_t uid = VALUE_OR_FATAL(aidl2legacy_int32_t_uid_t(attributionSource.uid));
     pid_t pid = VALUE_OR_FATAL(aidl2legacy_int32_t_pid_t(attributionSource.pid));
-    if (isAudioServerUid(IPCThreadState::self()->getCallingUid())) return true;
+    if (isAudioServerUid(uid)) return true;
     // IMPORTANT: Use PermissionCache - not a runtime permission and may not change.
     bool ok = PermissionCache::checkPermission(sModifyAudioRouting, pid, uid);
     if (!ok) ALOGE("%s(): android.permission.MODIFY_AUDIO_ROUTING denied for uid %d",
@@ -301,7 +301,7 @@
 bool modifyDefaultAudioEffectsAllowed(const AttributionSourceState& attributionSource) {
     uid_t uid = VALUE_OR_FATAL(aidl2legacy_int32_t_uid_t(attributionSource.uid));
     pid_t pid = VALUE_OR_FATAL(aidl2legacy_int32_t_pid_t(attributionSource.pid));
-    if (isAudioServerUid(IPCThreadState::self()->getCallingUid())) return true;
+    if (isAudioServerUid(uid)) return true;
 
     static const String16 sModifyDefaultAudioEffectsAllowed(
             "android.permission.MODIFY_DEFAULT_AUDIO_EFFECTS");
diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index c94c042..e59ff1e 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -2990,7 +2990,8 @@
                                                         audio_config_base_t *mixerConfig,
                                                         audio_devices_t deviceType,
                                                         const String8& address,
-                                                        audio_output_flags_t flags)
+                                                        audio_output_flags_t flags,
+                                                        const audio_attributes_t attributes)
 {
     AudioHwDevice *outHwDev = findSuitableHwDev_l(module, deviceType);
     if (outHwDev == NULL) {
@@ -3008,13 +3009,18 @@
 
     mHardwareStatus = AUDIO_HW_OUTPUT_OPEN;
     AudioStreamOut *outputStream = NULL;
+
+    playback_track_metadata_v7_t trackMetadata;
+    trackMetadata.base.usage = attributes.usage;
+
     status_t status = outHwDev->openOutputStream(
             &outputStream,
             *output,
             deviceType,
             flags,
             halConfig,
-            address.c_str());
+            address.c_str(),
+            {trackMetadata});
 
     mHardwareStatus = AUDIO_HW_IDLE;
 
@@ -3083,6 +3089,8 @@
             aidl2legacy_DeviceDescriptorBase(request.device));
     audio_output_flags_t flags = VALUE_OR_RETURN_STATUS(
             aidl2legacy_int32_t_audio_output_flags_t_mask(request.flags));
+    audio_attributes_t attributes = VALUE_OR_RETURN_STATUS(
+            aidl2legacy_AudioAttributes_audio_attributes_t(request.attributes));
 
     audio_io_handle_t output;
 
@@ -3105,7 +3113,7 @@
     audio_utils::lock_guard _l(mutex());
 
     const sp<IAfThreadBase> thread = openOutput_l(module, &output, &halConfig,
-            &mixerConfig, deviceType, address, flags);
+            &mixerConfig, deviceType, address, flags, attributes);
     if (thread != 0) {
         uint32_t latencyMs = 0;
         if ((flags & AUDIO_OUTPUT_FLAG_MMAP_NOIRQ) == 0) {
@@ -4569,7 +4577,7 @@
             // TODO(b/184194057): Use the vibrator information from the vibrator that will be used
             // for the HapticGenerator.
             const std::optional<media::AudioVibratorInfo> defaultVibratorInfo =
-                    std::move(getDefaultVibratorInfo_l());
+                    getDefaultVibratorInfo_l();
             if (defaultVibratorInfo) {
                 // Only set the vibrator info when it is a valid one.
                 audio_utils::lock_guard _cl(chain->mutex());
diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h
index adec4aa..9513327 100644
--- a/services/audioflinger/AudioFlinger.h
+++ b/services/audioflinger/AudioFlinger.h
@@ -333,7 +333,8 @@
             audio_config_base_t* mixerConfig,
             audio_devices_t deviceType,
             const String8& address,
-            audio_output_flags_t flags) final REQUIRES(mutex());
+            audio_output_flags_t flags,
+            audio_attributes_t attributes) final REQUIRES(mutex());
     const DefaultKeyedVector<audio_module_handle_t, AudioHwDevice*>&
             getAudioHwDevs_l() const final REQUIRES(mutex(), hardwareMutex()) {
               return mAudioHwDevs;
diff --git a/services/audioflinger/IAfPatchPanel.h b/services/audioflinger/IAfPatchPanel.h
index 6110e4c..37dce3a 100644
--- a/services/audioflinger/IAfPatchPanel.h
+++ b/services/audioflinger/IAfPatchPanel.h
@@ -82,7 +82,8 @@
             audio_config_base_t* mixerConfig,
             audio_devices_t deviceType,
             const String8& address,
-            audio_output_flags_t flags) REQUIRES(mutex()) = 0;
+            audio_output_flags_t flags,
+            audio_attributes_t attributes) REQUIRES(mutex()) = 0;
     virtual audio_utils::mutex& mutex() const
             RETURN_CAPABILITY(audio_utils::AudioFlinger_Mutex) = 0;
     virtual const DefaultKeyedVector<audio_module_handle_t, AudioHwDevice*>&
diff --git a/services/audioflinger/PatchPanel.cpp b/services/audioflinger/PatchPanel.cpp
index f57470f..35f17c1 100644
--- a/services/audioflinger/PatchPanel.cpp
+++ b/services/audioflinger/PatchPanel.cpp
@@ -260,6 +260,7 @@
                     if (patch->sinks[0].config_mask & AUDIO_PORT_CONFIG_FLAGS) {
                         flags = patch->sinks[0].flags.output;
                     }
+                    audio_attributes_t attributes = AUDIO_ATTRIBUTES_INITIALIZER;
                     const sp<IAfThreadBase> thread = mAfPatchPanelCallback->openOutput_l(
                                                             patch->sinks[0].ext.device.hw_module,
                                                             &output,
@@ -267,7 +268,8 @@
                                                             &mixerConfig,
                                                             outputDevice,
                                                             outputDeviceAddress,
-                                                            flags);
+                                                            flags,
+                                                            attributes);
                     ALOGV("mAfPatchPanelCallback->openOutput_l() returned %p", thread.get());
                     if (thread == 0) {
                         status = NO_MEMORY;
diff --git a/services/audioflinger/Threads.cpp b/services/audioflinger/Threads.cpp
index 6191f6b..583552a 100644
--- a/services/audioflinger/Threads.cpp
+++ b/services/audioflinger/Threads.cpp
@@ -1704,7 +1704,7 @@
             // TODO(b/184194057): Use the vibrator information from the vibrator that will be used
             // for the HapticGenerator.
             const std::optional<media::AudioVibratorInfo> defaultVibratorInfo =
-                    std::move(mAfThreadCallback->getDefaultVibratorInfo_l());
+                    mAfThreadCallback->getDefaultVibratorInfo_l();
             if (defaultVibratorInfo) {
                 audio_utils::lock_guard _cl(chain->mutex());
                 // Only set the vibrator info when it is a valid one.
@@ -2925,7 +2925,7 @@
                 // TODO(b/184194780): Use the vibrator information from the vibrator that will be
                 // used to play this track.
                  audio_utils::lock_guard _l(mAfThreadCallback->mutex());
-                vibratorInfo = std::move(mAfThreadCallback->getDefaultVibratorInfo_l());
+                vibratorInfo = mAfThreadCallback->getDefaultVibratorInfo_l();
             }
             mutex().lock();
             track->setHapticScale(hapticScale);
diff --git a/services/audioflinger/datapath/AudioHwDevice.cpp b/services/audioflinger/datapath/AudioHwDevice.cpp
index 95e9ecc..5314e9e 100644
--- a/services/audioflinger/datapath/AudioHwDevice.cpp
+++ b/services/audioflinger/datapath/AudioHwDevice.cpp
@@ -43,7 +43,8 @@
         audio_devices_t deviceType,
         audio_output_flags_t flags,
         struct audio_config *config,
-        const char *address)
+        const char *address,
+        const std::vector<playback_track_metadata_v7_t>& sourceMetadata)
 {
 
     struct audio_config originalConfig = *config;
@@ -52,7 +53,7 @@
     // Try to open the HAL first using the current format.
     ALOGV("openOutputStream(), try sampleRate %d, format %#x, channelMask %#x", config->sample_rate,
             config->format, config->channel_mask);
-    status_t status = outputStream->open(handle, deviceType, config, address);
+    status_t status = outputStream->open(handle, deviceType, config, address, sourceMetadata);
 
     if (status != NO_ERROR) {
         delete outputStream;
@@ -72,7 +73,8 @@
         if (wrapperNeeded) {
             if (SPDIFEncoder::isFormatSupported(originalConfig.format)) {
                 outputStream = new SpdifStreamOut(this, flags, originalConfig.format);
-                status = outputStream->open(handle, deviceType, &originalConfig, address);
+                status = outputStream->open(handle, deviceType, &originalConfig, address,
+                                            sourceMetadata);
                 if (status != NO_ERROR) {
                     ALOGE("ERROR - openOutputStream(), SPDIF open returned %d",
                         status);
diff --git a/services/audioflinger/datapath/AudioHwDevice.h b/services/audioflinger/datapath/AudioHwDevice.h
index 80c1473..e1a9018 100644
--- a/services/audioflinger/datapath/AudioHwDevice.h
+++ b/services/audioflinger/datapath/AudioHwDevice.h
@@ -87,7 +87,8 @@
             audio_devices_t deviceType,
             audio_output_flags_t flags,
             struct audio_config *config,
-            const char *address);
+            const char *address,
+            const std::vector<playback_track_metadata_v7_t>& sourceMetadata);
 
     status_t openInputStream(
             AudioStreamIn **ppStreamIn,
diff --git a/services/audioflinger/datapath/AudioStreamOut.cpp b/services/audioflinger/datapath/AudioStreamOut.cpp
index a686ff6..c65373e 100644
--- a/services/audioflinger/datapath/AudioStreamOut.cpp
+++ b/services/audioflinger/datapath/AudioStreamOut.cpp
@@ -93,7 +93,8 @@
         audio_io_handle_t handle,
         audio_devices_t deviceType,
         struct audio_config *config,
-        const char *address)
+        const char *address,
+        const std::vector<playback_track_metadata_v7_t>& sourceMetadata)
 {
     sp<StreamOutHalInterface> outStream;
 
@@ -107,7 +108,8 @@
             customFlags,
             config,
             address,
-            &outStream);
+            &outStream,
+            sourceMetadata);
     ALOGV("AudioStreamOut::open(), HAL returned stream %p, sampleRate %d, format %#x,"
             " channelMask %#x, status %d", outStream.get(), config->sample_rate, config->format,
             config->channel_mask, status);
@@ -124,7 +126,8 @@
                 customFlags,
                 &customConfig,
                 address,
-                &outStream);
+                &outStream,
+                sourceMetadata);
         ALOGV("AudioStreamOut::open(), treat IEC61937 as PCM, status = %d", status);
     }
 
diff --git a/services/audioflinger/datapath/AudioStreamOut.h b/services/audioflinger/datapath/AudioStreamOut.h
index 2c9fb3e..2bf94a1 100644
--- a/services/audioflinger/datapath/AudioStreamOut.h
+++ b/services/audioflinger/datapath/AudioStreamOut.h
@@ -47,7 +47,8 @@
             audio_io_handle_t handle,
             audio_devices_t deviceType,
             struct audio_config *config,
-            const char *address);
+            const char *address,
+            const std::vector<playback_track_metadata_v7_t>& sourceMetadata);
 
     virtual ~AudioStreamOut();
 
diff --git a/services/audioflinger/datapath/SpdifStreamOut.cpp b/services/audioflinger/datapath/SpdifStreamOut.cpp
index 65a4eec..d3983b0 100644
--- a/services/audioflinger/datapath/SpdifStreamOut.cpp
+++ b/services/audioflinger/datapath/SpdifStreamOut.cpp
@@ -45,7 +45,8 @@
         audio_io_handle_t handle,
         audio_devices_t devices,
         struct audio_config *config,
-        const char *address)
+        const char *address,
+        const std::vector<playback_track_metadata_v7_t>& sourceMetadata)
 {
     struct audio_config customConfig = *config;
 
@@ -75,7 +76,8 @@
             handle,
             devices,
             &customConfig,
-            address);
+            address,
+            sourceMetadata);
 
     ALOGI("SpdifStreamOut::open() status = %d", status);
 
diff --git a/services/audioflinger/datapath/SpdifStreamOut.h b/services/audioflinger/datapath/SpdifStreamOut.h
index c6d27ba..1cd8f65 100644
--- a/services/audioflinger/datapath/SpdifStreamOut.h
+++ b/services/audioflinger/datapath/SpdifStreamOut.h
@@ -43,7 +43,8 @@
             audio_io_handle_t handle,
             audio_devices_t devices,
             struct audio_config *config,
-            const char *address) override;
+            const char *address,
+            const std::vector<playback_track_metadata_v7_t>& sourceMetadata) override;
 
     /**
     * Write audio buffer to driver. Returns number of bytes written, or a
diff --git a/services/audiopolicy/AudioPolicyInterface.h b/services/audiopolicy/AudioPolicyInterface.h
index deb7345..1bac259 100644
--- a/services/audiopolicy/AudioPolicyInterface.h
+++ b/services/audiopolicy/AudioPolicyInterface.h
@@ -477,7 +477,8 @@
                                 audio_config_base_t *mixerConfig,
                                 const sp<DeviceDescriptorBase>& device,
                                 uint32_t *latencyMs,
-                                audio_output_flags_t flags) = 0;
+                                audio_output_flags_t flags,
+                                audio_attributes_t audioAttributes) = 0;
     // creates a special output that is duplicated to the two outputs passed as arguments.
     // The duplication is performed by a special mixer thread in the AudioFlinger.
     virtual audio_io_handle_t openDuplicateOutput(audio_io_handle_t output1,
diff --git a/services/audiopolicy/common/managerdefinitions/include/AudioOutputDescriptor.h b/services/audiopolicy/common/managerdefinitions/include/AudioOutputDescriptor.h
index 914f3fe..bfb28a5 100644
--- a/services/audiopolicy/common/managerdefinitions/include/AudioOutputDescriptor.h
+++ b/services/audiopolicy/common/managerdefinitions/include/AudioOutputDescriptor.h
@@ -413,7 +413,8 @@
                       const DeviceVector &devices,
                       audio_stream_type_t stream,
                       audio_output_flags_t flags,
-                      audio_io_handle_t *output);
+                      audio_io_handle_t *output,
+                      audio_attributes_t attributes);
 
         // Called when a stream is about to be started
         // Note: called before setClientActive(true);
diff --git a/services/audiopolicy/common/managerdefinitions/src/AudioOutputDescriptor.cpp b/services/audiopolicy/common/managerdefinitions/src/AudioOutputDescriptor.cpp
index 0131ba0..6fef215 100644
--- a/services/audiopolicy/common/managerdefinitions/src/AudioOutputDescriptor.cpp
+++ b/services/audiopolicy/common/managerdefinitions/src/AudioOutputDescriptor.cpp
@@ -596,7 +596,8 @@
                                        const DeviceVector &devices,
                                        audio_stream_type_t stream,
                                        audio_output_flags_t flags,
-                                       audio_io_handle_t *output)
+                                       audio_io_handle_t *output,
+                                       audio_attributes_t attributes)
 {
     mDevices = devices;
     sp<DeviceDescriptor> device = devices.getDeviceForOpening();
@@ -660,7 +661,8 @@
                                                    &lMixerConfig,
                                                    device,
                                                    &mLatency,
-                                                   mFlags);
+                                                   mFlags,
+                                                   attributes);
 
     if (status == NO_ERROR) {
         LOG_ALWAYS_FATAL_IF(*output == AUDIO_IO_HANDLE_NONE,
diff --git a/services/audiopolicy/managerdefault/AudioPolicyManager.cpp b/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
index 739e201..a2363af 100644
--- a/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
+++ b/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
@@ -1317,7 +1317,7 @@
             status = openDirectOutput(
                     *stream, session, config,
                     (audio_output_flags_t)(*flags | AUDIO_OUTPUT_FLAG_DIRECT),
-                    DeviceVector(policyMixDevice), &newOutput);
+                    DeviceVector(policyMixDevice), &newOutput, *resultAttr);
             if (status == NO_ERROR) {
                 policyDesc = mOutputs.valueFor(newOutput);
                 primaryMix->setOutput(policyDesc);
@@ -1555,7 +1555,8 @@
                                               const audio_config_t *config,
                                               audio_output_flags_t flags,
                                               const DeviceVector &devices,
-                                              audio_io_handle_t *output) {
+                                              audio_io_handle_t *output,
+                                              audio_attributes_t attributes) {
 
     *output = AUDIO_IO_HANDLE_NONE;
 
@@ -1643,7 +1644,8 @@
     releaseMsdOutputPatches(devices);
 
     status_t status =
-            outputDesc->open(config, nullptr /* mixerConfig */, devices, stream, flags, output);
+            outputDesc->open(config, nullptr /* mixerConfig */, devices, stream, flags, output,
+                             attributes);
 
     // only accept an output with the requested parameters
     if (status != NO_ERROR ||
@@ -1749,7 +1751,9 @@
 
     audio_config_t directConfig = *config;
     directConfig.channel_mask = channelMask;
-    status_t status = openDirectOutput(stream, session, &directConfig, *flags, devices, &output);
+
+    status_t status = openDirectOutput(stream, session, &directConfig, *flags, devices, &output,
+                                       *attr);
     if (status != NAME_NOT_FOUND) {
         return output;
     }
@@ -6358,10 +6362,11 @@
     // mode is not requested.
 
     if (config != nullptr && *config != AUDIO_CONFIG_INITIALIZER) {
-        static const bool stereo_spatialization_enabled =
+        static const bool stereo_spatialization_prop_enabled =
                 property_get_bool("ro.audio.stereo_spatialization_enabled", false);
         const bool channel_mask_spatialized =
-                (stereo_spatialization_enabled && com_android_media_audio_stereo_spatialization())
+                (stereo_spatialization_prop_enabled
+                        && com_android_media_audio_stereo_spatialization())
                 ? audio_channel_mask_contains_stereo(config->channel_mask)
                 : audio_is_channel_mask_spatialized(config->channel_mask);
         if (!channel_mask_spatialized) {
@@ -6712,10 +6717,11 @@
             sp<SwAudioOutputDescriptor> outputDesc = new SwAudioOutputDescriptor(outProfile,
                                                                                  mpClientInterface);
             audio_io_handle_t output = AUDIO_IO_HANDLE_NONE;
+            audio_attributes_t attributes = AUDIO_ATTRIBUTES_INITIALIZER;
             status_t status = outputDesc->open(nullptr /* halConfig */, nullptr /* mixerConfig */,
                                                DeviceVector(supportedDevice),
                                                AUDIO_STREAM_DEFAULT,
-                                               AUDIO_OUTPUT_FLAG_NONE, &output);
+                                               AUDIO_OUTPUT_FLAG_NONE, &output, attributes);
             if (status != NO_ERROR) {
                 ALOGW("Cannot open output stream for devices %s on hw module %s",
                       supportedDevice->toString().c_str(), hwModule->getName());
@@ -8928,8 +8934,9 @@
     }
     sp<SwAudioOutputDescriptor> desc = new SwAudioOutputDescriptor(profile, mpClientInterface);
     audio_io_handle_t output = AUDIO_IO_HANDLE_NONE;
+    audio_attributes_t attributes = AUDIO_ATTRIBUTES_INITIALIZER;
     status_t status = desc->open(halConfig, mixerConfig, devices,
-            AUDIO_STREAM_DEFAULT, flags, &output);
+            AUDIO_STREAM_DEFAULT, flags, &output, attributes);
     if (status != NO_ERROR) {
         ALOGE("%s failed to open output %d", __func__, status);
         return nullptr;
@@ -8967,7 +8974,8 @@
         config.offload_info.channel_mask = config.channel_mask;
         config.offload_info.format = config.format;
 
-        status = desc->open(&config, mixerConfig, devices, AUDIO_STREAM_DEFAULT, flags, &output);
+        status = desc->open(&config, mixerConfig, devices, AUDIO_STREAM_DEFAULT, flags, &output,
+                            attributes);
         if (status != NO_ERROR) {
             return nullptr;
         }
diff --git a/services/audiopolicy/managerdefault/AudioPolicyManager.h b/services/audiopolicy/managerdefault/AudioPolicyManager.h
index 98853ce..c0a5012 100644
--- a/services/audiopolicy/managerdefault/AudioPolicyManager.h
+++ b/services/audiopolicy/managerdefault/AudioPolicyManager.h
@@ -1155,7 +1155,8 @@
                 const audio_config_t *config,
                 audio_output_flags_t flags,
                 const DeviceVector &devices,
-                audio_io_handle_t *output);
+                audio_io_handle_t *output,
+                audio_attributes_t attributes);
 
         /**
          * @brief Queries if some kind of spatialization will be performed if the audio playback
diff --git a/services/audiopolicy/service/AudioPolicyClientImpl.cpp b/services/audiopolicy/service/AudioPolicyClientImpl.cpp
index f70dc52..22fc151 100644
--- a/services/audiopolicy/service/AudioPolicyClientImpl.cpp
+++ b/services/audiopolicy/service/AudioPolicyClientImpl.cpp
@@ -56,7 +56,8 @@
                                                            audio_config_base_t *mixerConfig,
                                                            const sp<DeviceDescriptorBase>& device,
                                                            uint32_t *latencyMs,
-                                                           audio_output_flags_t flags)
+                                                           audio_output_flags_t flags,
+                                                           audio_attributes_t attributes)
 {
     sp<IAudioFlinger> af = AudioSystem::get_audio_flinger();
     if (af == 0) {
@@ -74,6 +75,8 @@
             legacy2aidl_audio_config_base_t_AudioConfigBase(*mixerConfig, false /*isInput*/));
     request.device = VALUE_OR_RETURN_STATUS(legacy2aidl_DeviceDescriptorBase(device));
     request.flags = VALUE_OR_RETURN_STATUS(legacy2aidl_audio_output_flags_t_int32_t_mask(flags));
+    request.attributes = VALUE_OR_RETURN_STATUS(
+            legacy2aidl_audio_attributes_t_AudioAttributes(attributes));
 
     status_t status = af->openOutput(request, &response);
     if (status == OK) {
diff --git a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
index f414862..e598897 100644
--- a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
+++ b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
@@ -477,7 +477,7 @@
 
         sp<AudioPlaybackClient> client =
                 new AudioPlaybackClient(attr, output, attributionSource, session,
-                    portId, selectedDeviceId, stream, isSpatialized);
+                    portId, selectedDeviceId, stream, isSpatialized, config.channel_mask);
         mAudioPlaybackClients.add(portId, client);
 
         _aidl_return->output = VALUE_OR_RETURN_BINDER_STATUS(
diff --git a/services/audiopolicy/service/AudioPolicyService.cpp b/services/audiopolicy/service/AudioPolicyService.cpp
index 6144f8c..cbc0b41 100644
--- a/services/audiopolicy/service/AudioPolicyService.cpp
+++ b/services/audiopolicy/service/AudioPolicyService.cpp
@@ -590,12 +590,13 @@
             if (status == NO_ERROR && currentOutput == newOutput) {
                 return;
             }
-            size_t numActiveTracks = countActiveClientsOnOutput_l(newOutput);
+            std::vector<audio_channel_mask_t> activeTracksMasks =
+                    getActiveTracksMasks_l(newOutput);
             mMutex.unlock();
             // It is OK to call detachOutput() is none is already attached.
             mSpatializer->detachOutput();
             if (status == NO_ERROR && newOutput != AUDIO_IO_HANDLE_NONE) {
-                status = mSpatializer->attachOutput(newOutput, numActiveTracks);
+                status = mSpatializer->attachOutput(newOutput, activeTracksMasks);
             }
             mMutex.lock();
             if (status != NO_ERROR) {
@@ -613,17 +614,17 @@
     }
 }
 
-size_t AudioPolicyService::countActiveClientsOnOutput_l(
+std::vector<audio_channel_mask_t> AudioPolicyService::getActiveTracksMasks_l(
         audio_io_handle_t output, bool spatializedOnly) {
-    size_t count = 0;
+    std::vector<audio_channel_mask_t> activeTrackMasks;
     for (size_t i = 0; i < mAudioPlaybackClients.size(); i++) {
         auto client = mAudioPlaybackClients.valueAt(i);
         if (client->io == output && client->active
                 && (!spatializedOnly || client->isSpatialized)) {
-            count++;
+            activeTrackMasks.push_back(client->channelMask);
         }
     }
-    return count;
+    return activeTrackMasks;
 }
 
 void AudioPolicyService::onUpdateActiveSpatializerTracks_l() {
@@ -639,12 +640,12 @@
         return;
     }
     audio_io_handle_t output = mSpatializer->getOutput();
-    size_t activeClients;
+    std::vector<audio_channel_mask_t> activeTracksMasks;
     {
         audio_utils::lock_guard _l(mMutex);
-        activeClients = countActiveClientsOnOutput_l(output);
+        activeTracksMasks = getActiveTracksMasks_l(output);
     }
-    mSpatializer->updateActiveTracks(activeClients);
+    mSpatializer->updateActiveTracks(activeTracksMasks);
 }
 
 status_t AudioPolicyService::clientCreateAudioPatch(const struct audio_patch *patch,
diff --git a/services/audiopolicy/service/AudioPolicyService.h b/services/audiopolicy/service/AudioPolicyService.h
index 720ba84..92c162f 100644
--- a/services/audiopolicy/service/AudioPolicyService.h
+++ b/services/audiopolicy/service/AudioPolicyService.h
@@ -790,7 +790,8 @@
                                     audio_config_base_t *mixerConfig,
                                     const sp<DeviceDescriptorBase>& device,
                                     uint32_t *latencyMs,
-                                    audio_output_flags_t flags);
+                                    audio_output_flags_t flags,
+                                    audio_attributes_t attributes);
         // creates a special output that is duplicated to the two outputs passed as arguments. The duplication is performed by
         // a special mixer thread in the AudioFlinger.
         virtual audio_io_handle_t openDuplicateOutput(audio_io_handle_t output1, audio_io_handle_t output2);
@@ -976,13 +977,15 @@
                       const audio_io_handle_t io, AttributionSourceState attributionSource,
                             const audio_session_t session, audio_port_handle_t portId,
                             audio_port_handle_t deviceId, audio_stream_type_t stream,
-                            bool isSpatialized) :
+                            bool isSpatialized, audio_channel_mask_t channelMask) :
                     AudioClient(attributes, io, attributionSource, session, portId,
-                        deviceId), stream(stream), isSpatialized(isSpatialized)  {}
+                        deviceId), stream(stream), isSpatialized(isSpatialized),
+                        channelMask(channelMask) {}
                 ~AudioPlaybackClient() override = default;
 
         const audio_stream_type_t stream;
         const bool isSpatialized;
+        const audio_channel_mask_t channelMask;
     };
 
     void getPlaybackClientAndEffects(audio_port_handle_t portId,
@@ -1013,14 +1016,14 @@
     void unloadAudioPolicyManager();
 
     /**
-     * Returns the number of active audio tracks on the specified output mixer.
+     * Returns the channel masks for active audio tracks on the specified output mixer.
      * The query can be specified to only include spatialized audio tracks or consider
      * all tracks.
      * @param output the I/O handle of the output mixer to consider
      * @param spatializedOnly true if only spatialized tracks should be considered
-     * @return the number of active tracks.
+     * @return a list of channel masks for all active tracks matching the condition.
      */
-    size_t countActiveClientsOnOutput_l(
+    std::vector<audio_channel_mask_t> getActiveTracksMasks_l(
             audio_io_handle_t output, bool spatializedOnly = true) REQUIRES(mMutex);
 
     mutable audio_utils::mutex mMutex{audio_utils::MutexOrder::kAudioPolicyService_Mutex};
diff --git a/services/audiopolicy/service/Spatializer.cpp b/services/audiopolicy/service/Spatializer.cpp
index c98f8df..9cc3b8f 100644
--- a/services/audiopolicy/service/Spatializer.cpp
+++ b/services/audiopolicy/service/Spatializer.cpp
@@ -936,7 +936,8 @@
             });
 }
 
-status_t Spatializer::attachOutput(audio_io_handle_t output, size_t numActiveTracks) {
+status_t Spatializer::attachOutput(audio_io_handle_t output,
+          const std::vector<audio_channel_mask_t>& activeTracksMasks) {
     bool outputChanged = false;
     sp<media::INativeSpatializerCallback> callback;
 
@@ -944,7 +945,7 @@
         audio_utils::lock_guard lock(mMutex);
         ALOGV("%s output %d mOutput %d", __func__, (int)output, (int)mOutput);
         mLocalLog.log("%s with output %d tracks %zu (mOutput %d)", __func__, (int)output,
-                      numActiveTracks, (int)mOutput);
+                      activeTracksMasks.size(), (int)mOutput);
         if (mOutput != AUDIO_IO_HANDLE_NONE) {
             LOG_ALWAYS_FATAL_IF(mEngine == nullptr, "%s output set without FX engine", __func__);
             // remove FX instance
@@ -969,7 +970,7 @@
 
         outputChanged = mOutput != output;
         mOutput = output;
-        mNumActiveTracks = numActiveTracks;
+        mActiveTracksMasks = activeTracksMasks;
         AudioSystem::addSupportedLatencyModesCallback(this);
 
         std::vector<audio_latency_mode_t> latencyModes;
@@ -1008,7 +1009,8 @@
 
     {
         audio_utils::lock_guard lock(mMutex);
-        mLocalLog.log("%s with output %d tracks %zu", __func__, (int)mOutput, mNumActiveTracks);
+        mLocalLog.log("%s with output %d num tracks %zu",
+            __func__, (int)mOutput, mActiveTracksMasks.size());
         ALOGV("%s mOutput %d", __func__, (int)mOutput);
         if (mOutput == AUDIO_IO_HANDLE_NONE) {
             return output;
@@ -1051,11 +1053,13 @@
     }
 }
 
-void Spatializer::updateActiveTracks(size_t numActiveTracks) {
+void Spatializer::updateActiveTracks(
+        const std::vector<audio_channel_mask_t>& activeTracksMasks) {
     audio_utils::lock_guard lock(mMutex);
-    if (mNumActiveTracks != numActiveTracks) {
-        mLocalLog.log("%s from %zu to %zu", __func__, mNumActiveTracks, numActiveTracks);
-        mNumActiveTracks = numActiveTracks;
+    if (mActiveTracksMasks != activeTracksMasks) {
+        mLocalLog.log("%s from %zu to %zu",
+                __func__, mActiveTracksMasks.size(), activeTracksMasks.size());
+        mActiveTracksMasks = activeTracksMasks;
         checkEngineState_l();
         checkSensorsState_l();
     }
@@ -1114,7 +1118,7 @@
         if (mPoseController != nullptr) {
             // TODO(b/253297301, b/255433067) reenable low latency condition check
             // for Head Tracking after Bluetooth HAL supports it correctly.
-            if (mNumActiveTracks > 0 && mLevel != Spatialization::Level::NONE
+            if (shouldUseHeadTracking_l() && mLevel != Spatialization::Level::NONE
                     && mDesiredHeadTrackingMode != HeadTrackingMode::STATIC
                     && mHeadSensor != SpatializerPoseController::INVALID_SENSOR) {
                 if (supportsLowLatencyMode) {
@@ -1146,9 +1150,28 @@
     }
 }
 
+
+/* static */
+bool Spatializer::containsImmersiveChannelMask(
+        const std::vector<audio_channel_mask_t>& masks)
+{
+    for (auto mask : masks) {
+        if (audio_is_channel_mask_spatialized(mask)) {
+            return true;
+        }
+    }
+    // Only non-immersive channel masks, e.g. AUDIO_CHANNEL_OUT_STEREO, are present.
+    return false;
+}
+
+bool Spatializer::shouldUseHeadTracking_l() const {
+    // Headtracking only available on immersive channel masks.
+    return containsImmersiveChannelMask(mActiveTracksMasks);
+}
+
 void Spatializer::checkEngineState_l() {
     if (mEngine != nullptr) {
-        if (mLevel != Spatialization::Level::NONE && mNumActiveTracks > 0) {
+        if (mLevel != Spatialization::Level::NONE && mActiveTracksMasks.size() > 0) {
             mEngine->setEnabled(true);
             setEffectParameter_l(SPATIALIZER_PARAM_LEVEL,
                     std::vector<Spatialization::Level>{mLevel});
@@ -1237,7 +1260,8 @@
     base::StringAppendF(&ss, "\n%smSupportsHeadTracking: %s\n", prefixSpace.c_str(),
                         mSupportsHeadTracking ? "true" : "false");
     // 2. Settings (Output, tracks)
-    base::StringAppendF(&ss, "%smNumActiveTracks: %zu\n", prefixSpace.c_str(), mNumActiveTracks);
+    base::StringAppendF(&ss, "%sNum Active Tracks: %zu\n",
+            prefixSpace.c_str(), mActiveTracksMasks.size());
     base::StringAppendF(&ss, "%sOutputStreamHandle: %d\n", prefixSpace.c_str(), (int)mOutput);
 
     // 3. Sensors, Effect information.
@@ -1248,8 +1272,12 @@
                         mDisplayOrientation);
 
     // 4. Show flag or property state.
+    static const bool stereo_spatialization_prop_enabled =
+            property_get_bool("ro.audio.stereo_spatialization_enabled", false);
+    const bool stereo_spatialization = com_android_media_audio_stereo_spatialization()
+            && stereo_spatialization_prop_enabled;
     base::StringAppendF(&ss, "%sStereo Spatialization: %s\n", prefixSpace.c_str(),
-            com_android_media_audio_stereo_spatialization() ? "true" : "false");
+            stereo_spatialization ? "true" : "false");
 
     ss.append(prefixSpace + "CommandLog:\n");
     ss += mLocalLog.dumpToString((prefixSpace + " ").c_str(), mMaxLocalLogLine);
diff --git a/services/audiopolicy/service/Spatializer.h b/services/audiopolicy/service/Spatializer.h
index c5f159c..5ea3258 100644
--- a/services/audiopolicy/service/Spatializer.h
+++ b/services/audiopolicy/service/Spatializer.h
@@ -185,7 +185,8 @@
     /** Called by audio policy service when the special output mixer dedicated to spatialization
      * is opened and the spatializer engine must be created.
      */
-    status_t attachOutput(audio_io_handle_t output, size_t numActiveTracks);
+    status_t attachOutput(audio_io_handle_t output,
+                          const std::vector<audio_channel_mask_t>& activeTracksMasks);
     /** Called by audio policy service when the special output mixer dedicated to spatialization
      * is closed and the spatializer engine must be release.
      */
@@ -199,7 +200,7 @@
         mOutput = output;
     }
 
-    void updateActiveTracks(size_t numActiveTracks);
+    void updateActiveTracks(const std::vector<audio_channel_mask_t>& activeTracksMasks);
 
     /** Gets the channel mask, sampling rate and format set for the spatializer input. */
     audio_config_base_t getAudioInConfig() const;
@@ -227,6 +228,16 @@
     void onSupportedLatencyModesChangedMsg(
             audio_io_handle_t output, std::vector<audio_latency_mode_t>&& modes);
 
+    // Made public for test only
+    /**
+     * Returns true if there exists an immersive channel mask in the vector.
+     *
+     * Example of a non-immersive channel mask such as AUDIO_CHANNEL_OUT_STEREO
+     * versus an immersive channel mask such as AUDIO_CHANNEL_OUT_5POINT1.
+     */
+    static bool containsImmersiveChannelMask(
+            const std::vector<audio_channel_mask_t>& masks);
+
 private:
     Spatializer(effect_descriptor_t engineDescriptor,
                      SpatializerPolicyCallback *callback);
@@ -462,6 +473,11 @@
      */
     audio_latency_mode_t selectHeadtrackingConnectionMode_l() REQUIRES(mMutex);
 
+    /**
+     * Indicates if current conditions are compatible with head tracking.
+     */
+    bool shouldUseHeadTracking_l() const REQUIRES(mMutex);
+
     /** Effect engine descriptor */
     const effect_descriptor_t mEngineDescriptor;
     /** Callback interface to parent audio policy service */
@@ -539,7 +555,7 @@
     sp<ALooper> mLooper;
     sp<EngineCallbackHandler> mHandler;
 
-    size_t mNumActiveTracks GUARDED_BY(mMutex) = 0;
+    std::vector<audio_channel_mask_t> mActiveTracksMasks GUARDED_BY(mMutex);
     std::vector<audio_latency_mode_t> mSupportedLatencyModes GUARDED_BY(mMutex);
     /** preference order for low latency modes according to persist.bluetooth.hid.transport */
     std::vector<audio_latency_mode_t> mOrderedLowLatencyModes;
diff --git a/services/audiopolicy/tests/AudioPolicyManagerTestClient.h b/services/audiopolicy/tests/AudioPolicyManagerTestClient.h
index d1dd1e9..45643f7 100644
--- a/services/audiopolicy/tests/AudioPolicyManagerTestClient.h
+++ b/services/audiopolicy/tests/AudioPolicyManagerTestClient.h
@@ -41,7 +41,8 @@
                         audio_config_base_t * /*mixerConfig*/,
                         const sp<DeviceDescriptorBase>& /*device*/,
                         uint32_t * /*latencyMs*/,
-                        audio_output_flags_t /*flags*/) override {
+                        audio_output_flags_t /*flags*/,
+                        audio_attributes_t /*attributes*/) override {
         if (module >= mNextModuleHandle) {
             ALOGE("%s: Module handle %d has not been allocated yet (next is %d)",
                   __func__, module, mNextModuleHandle);
diff --git a/services/audiopolicy/tests/AudioPolicyTestClient.h b/services/audiopolicy/tests/AudioPolicyTestClient.h
index c15adcb..0299160 100644
--- a/services/audiopolicy/tests/AudioPolicyTestClient.h
+++ b/services/audiopolicy/tests/AudioPolicyTestClient.h
@@ -37,7 +37,8 @@
                         audio_config_base_t* /*mixerConfig*/,
                         const sp<DeviceDescriptorBase>& /*device*/,
                         uint32_t* /*latencyMs*/,
-                        audio_output_flags_t /*flags*/) override { return NO_INIT; }
+                        audio_output_flags_t /*flags*/,
+                        audio_attributes_t /*attributes*/) override { return NO_INIT; }
     audio_io_handle_t openDuplicateOutput(audio_io_handle_t /*output1*/,
                                           audio_io_handle_t /*output2*/) override {
         return AUDIO_IO_HANDLE_NONE;
diff --git a/services/audiopolicy/tests/audiopolicymanager_tests.cpp b/services/audiopolicy/tests/audiopolicymanager_tests.cpp
index 07aad0c..f66b911 100644
--- a/services/audiopolicy/tests/audiopolicymanager_tests.cpp
+++ b/services/audiopolicy/tests/audiopolicymanager_tests.cpp
@@ -2508,10 +2508,12 @@
                         audio_config_base_t * mixerConfig,
                         const sp<DeviceDescriptorBase>& device,
                         uint32_t * latencyMs,
-                        audio_output_flags_t flags) override {
+                        audio_output_flags_t flags,
+                        audio_attributes_t attributes) override {
         return mSimulateFailure ? BAD_VALUE :
                 AudioPolicyManagerTestClient::openOutput(
-                        module, output, halConfig, mixerConfig, device, latencyMs, flags);
+                        module, output, halConfig, mixerConfig, device, latencyMs, flags,
+                        attributes);
     }
 
     status_t openInput(audio_module_handle_t module,
diff --git a/services/audiopolicy/tests/spatializer_tests.cpp b/services/audiopolicy/tests/spatializer_tests.cpp
index 73bef43..0b40f32 100644
--- a/services/audiopolicy/tests/spatializer_tests.cpp
+++ b/services/audiopolicy/tests/spatializer_tests.cpp
@@ -33,6 +33,38 @@
 using media::audio::common::HeadTracking;
 using media::audio::common::Spatialization;
 
+// Test Spatializer Helper Methods
+
+TEST(Spatializer, containsImmersiveChannelMask) {
+    // Regardless of the implementation, we expect the following
+    // behavior.
+
+    // Pure non-immersive
+    EXPECT_FALSE(Spatializer::containsImmersiveChannelMask(
+            { AUDIO_CHANNEL_OUT_STEREO }));
+    EXPECT_FALSE(Spatializer::containsImmersiveChannelMask(
+            { AUDIO_CHANNEL_OUT_MONO, AUDIO_CHANNEL_OUT_STEREO }));
+    EXPECT_FALSE(Spatializer::containsImmersiveChannelMask(
+            { AUDIO_CHANNEL_OUT_MONO, AUDIO_CHANNEL_OUT_STEREO,
+              AUDIO_CHANNEL_OUT_STEREO, AUDIO_CHANNEL_OUT_MONO }));
+
+    // Pure immersive
+    EXPECT_TRUE(Spatializer::containsImmersiveChannelMask(
+            { AUDIO_CHANNEL_OUT_5POINT1 }));
+    EXPECT_TRUE(Spatializer::containsImmersiveChannelMask(
+            { AUDIO_CHANNEL_OUT_7POINT1 }));
+    EXPECT_TRUE(Spatializer::containsImmersiveChannelMask(
+            { AUDIO_CHANNEL_OUT_5POINT1, AUDIO_CHANNEL_OUT_7POINT1,
+              AUDIO_CHANNEL_OUT_22POINT2 }));
+
+    // Mixed immersive/non-immersive
+    EXPECT_TRUE(Spatializer::containsImmersiveChannelMask(
+            { AUDIO_CHANNEL_OUT_MONO, AUDIO_CHANNEL_OUT_7POINT1POINT4 }));
+    EXPECT_TRUE(Spatializer::containsImmersiveChannelMask(
+            { AUDIO_CHANNEL_OUT_MONO, AUDIO_CHANNEL_OUT_STEREO,
+              AUDIO_CHANNEL_OUT_7POINT1 }));
+}
+
 class TestSpatializerPolicyCallback :
         public SpatializerPolicyCallback {
 public:
@@ -68,7 +100,7 @@
         mSpatializer->setOutput(AUDIO_IO_HANDLE_NONE);
         mSpatializer->setDesiredHeadTrackingMode(HeadTracking::Mode::DISABLED);
         mSpatializer->setHeadSensor(SpatializerPoseController::INVALID_SENSOR);
-        mSpatializer->updateActiveTracks(0);
+        mSpatializer->updateActiveTracks({});
     }
 
     static constexpr audio_io_handle_t sTestOutput= 1977;
@@ -174,12 +206,12 @@
     ASSERT_EQ(requestedLatencyMode, AUDIO_LATENCY_MODE_FREE);
 
     // requested latency mode must be low if at least one spatialized tracks is active
-    mSpatializer->updateActiveTracks(1);
+    mSpatializer->updateActiveTracks({AUDIO_CHANNEL_OUT_5POINT1});
     requestedLatencyMode = mSpatializer->getRequestedLatencyMode();
     ASSERT_EQ(requestedLatencyMode, AUDIO_LATENCY_MODE_LOW);
 
     // requested latency mode must be free after stopping the last spatialized tracks
-    mSpatializer->updateActiveTracks(0);
+    mSpatializer->updateActiveTracks({});
     requestedLatencyMode = mSpatializer->getRequestedLatencyMode();
     ASSERT_EQ(requestedLatencyMode, AUDIO_LATENCY_MODE_FREE);
 }
@@ -202,7 +234,7 @@
 
     // requested latency mode must be low software if at least one spatialized tracks is active
     // and the only supported low latency mode is low software
-    mSpatializer->updateActiveTracks(1);
+    mSpatializer->updateActiveTracks({AUDIO_CHANNEL_OUT_5POINT1});
     requestedLatencyMode = mSpatializer->getRequestedLatencyMode();
     ASSERT_EQ(requestedLatencyMode, AUDIO_LATENCY_MODE_DYNAMIC_SPATIAL_AUDIO_SOFTWARE);
 
@@ -225,7 +257,7 @@
     }
 
     // requested latency mode must be free after stopping the last spatialized tracks
-    mSpatializer->updateActiveTracks(0);
+    mSpatializer->updateActiveTracks({});
     requestedLatencyMode = mSpatializer->getRequestedLatencyMode();
     ASSERT_EQ(requestedLatencyMode, AUDIO_LATENCY_MODE_FREE);
 }
diff --git a/services/camera/libcameraservice/CameraService.cpp b/services/camera/libcameraservice/CameraService.cpp
index ff364a4..f94300e 100644
--- a/services/camera/libcameraservice/CameraService.cpp
+++ b/services/camera/libcameraservice/CameraService.cpp
@@ -1542,7 +1542,7 @@
             s << ", " << std::to_string(i);
         }
     }
-    return std::move(s.str());
+    return s.str();
 }
 
 int32_t CameraService::mapToInterface(TorchModeStatus status) {
@@ -5193,7 +5193,7 @@
     }
     if (hasAny) ret << "\n";
     ret << "]\n";
-    return std::move(ret.str());
+    return ret.str();
 }
 
 CameraService::DescriptorPtr CameraService::CameraClientManager::makeClientDescriptor(
diff --git a/services/camera/libcameraservice/api1/Camera2Client.cpp b/services/camera/libcameraservice/api1/Camera2Client.cpp
index 2337dab..861414f 100644
--- a/services/camera/libcameraservice/api1/Camera2Client.cpp
+++ b/services/camera/libcameraservice/api1/Camera2Client.cpp
@@ -423,7 +423,7 @@
         result << "    none\n";
     }
 
-    std::string resultStr = std::move(result.str());
+    std::string resultStr = result.str();
 
     write(fd, resultStr.c_str(), resultStr.size());
 
diff --git a/services/camera/libcameraservice/device3/Camera3BufferManager.cpp b/services/camera/libcameraservice/device3/Camera3BufferManager.cpp
index c42e51a..65fee7d 100644
--- a/services/camera/libcameraservice/device3/Camera3BufferManager.cpp
+++ b/services/camera/libcameraservice/device3/Camera3BufferManager.cpp
@@ -485,7 +485,7 @@
                     streamId, bufferCount);
         }
     }
-    std::string linesStr = std::move(lines.str());
+    std::string linesStr = lines.str();
     write(fd, linesStr.c_str(), linesStr.size());
 }
 
diff --git a/services/camera/libcameraservice/device3/Camera3IOStreamBase.cpp b/services/camera/libcameraservice/device3/Camera3IOStreamBase.cpp
index 22d2716..61c5a3b 100644
--- a/services/camera/libcameraservice/device3/Camera3IOStreamBase.cpp
+++ b/services/camera/libcameraservice/device3/Camera3IOStreamBase.cpp
@@ -104,7 +104,7 @@
     lines << fmt::sprintf("      Total buffers: %zu, currently dequeued: %zu, "
             "currently cached: %zu\n", mTotalBufferCount, mHandoutTotalBufferCount,
             mCachedOutputBufferCount);
-    std::string linesStr = std::move(lines.str());
+    std::string linesStr = lines.str();
     write(fd, linesStr.c_str(), linesStr.size());
 
     Camera3Stream::dump(fd, args);
diff --git a/services/camera/libcameraservice/gui/RingBufferConsumer.cpp b/services/camera/libcameraservice/gui/RingBufferConsumer.cpp
index 5dbfb36..05dd169 100644
--- a/services/camera/libcameraservice/gui/RingBufferConsumer.cpp
+++ b/services/camera/libcameraservice/gui/RingBufferConsumer.cpp
@@ -18,6 +18,7 @@
 #define LOG_TAG "RingBufferConsumer"
 #define ATRACE_TAG ATRACE_TAG_GRAPHICS
 
+#include <com_android_graphics_libgui_flags.h>
 #include <inttypes.h>
 
 #include <utils/Log.h>
@@ -317,7 +318,9 @@
 
         mLatestTimestamp = item.mTimestamp;
 
+#if !COM_ANDROID_GRAPHICS_LIBGUI_FLAGS(WB_RING_BUFFER)
         item.mGraphicBuffer = mSlots[item.mSlot].mGraphicBuffer;
+#endif
     } // end of mMutex lock
 
     ConsumerBase::onFrameAvailable(item);
diff --git a/services/camera/libcameraservice/utils/TagMonitor.cpp b/services/camera/libcameraservice/utils/TagMonitor.cpp
index 38de93a..5258c0e 100644
--- a/services/camera/libcameraservice/utils/TagMonitor.cpp
+++ b/services/camera/libcameraservice/utils/TagMonitor.cpp
@@ -384,7 +384,7 @@
         }
         returnStr << "]\n";
     }
-    return std::move(returnStr.str());
+    return returnStr.str();
 }
 
 template<typename T>
diff --git a/services/mediaresourcemanager/ResourceManagerMetrics.cpp b/services/mediaresourcemanager/ResourceManagerMetrics.cpp
index a8a1de1..8b3711c 100644
--- a/services/mediaresourcemanager/ResourceManagerMetrics.cpp
+++ b/services/mediaresourcemanager/ResourceManagerMetrics.cpp
@@ -821,7 +821,7 @@
     metricsLog += getAppsPixelCount(mProcessPixelsMap);
     metricsLog += getAppsCodecUsageMetrics(mProcessConcurrentCodecsMap);
 
-    return std::move(metricsLog);
+    return metricsLog;
 }
 
 } // namespace android
diff --git a/services/mediaresourcemanager/ResourceManagerServiceUtils.cpp b/services/mediaresourcemanager/ResourceManagerServiceUtils.cpp
index 679ab13..49f68e9 100644
--- a/services/mediaresourcemanager/ResourceManagerServiceUtils.cpp
+++ b/services/mediaresourcemanager/ResourceManagerServiceUtils.cpp
@@ -94,7 +94,7 @@
         str.append("\n");
     }
 
-    return std::move(str);
+    return str;
 }
 
 bool ResourceList::operator==(const ResourceList& rhs) const {