CSD: enable sound dose with internal MEL (2a06fca9) · Commits · e / os / android_frameworks_av

media/libaudioclient/aidl/android/media/ISoundDose.aidl

+9 −0

Original line number	Diff line number	Diff line
		@@ -48,6 +48,15 @@ interface ISoundDose {
		*/
		oneway void updateAttenuation(float attenuationDB, int device);

		/**
		* Disable the calculation of sound dose. This has the effect that no MEL
		* values will be computed on the framework side. The MEL returned from
		* the IHalSoundDoseCallbacks will be ignored.
		* Should only be called once at startup if the AudioService does not
		* support CSD.
		*/
		oneway void disableCsd();

		/* -------------------------- Test API methods --------------------------
		/** Get the currently used RS2 upper bound. */
		float getOutputRs2UpperBound();

services/audioflinger/MelReporter.cpp

+18 −0

Original line number	Diff line number	Diff line
		@@ -81,6 +81,10 @@ void AudioFlinger::MelReporter::onFirstRef() {
		}

		bool AudioFlinger::MelReporter::shouldComputeMelForDeviceType(audio_devices_t device) {
		if (mSoundDoseManager->isCsdDisabled()) {
		ALOGV("%s csd is disabled", __func__);
		return false;
		}
		if (mSoundDoseManager->forceComputeCsdOnAllDevices()) {
		return true;
		}
		@@ -102,6 +106,11 @@ bool AudioFlinger::MelReporter::shouldComputeMelForDeviceType(audio_devices_t de

		void AudioFlinger::MelReporter::updateMetadataForCsd(audio_io_handle_t streamHandle,
		const std::vector<playback_track_metadata_v7_t>& metadataVec) {
		if (mSoundDoseManager->isCsdDisabled()) {
		ALOGV("%s csd is disabled", __func__);
		return;
		}

		std::lock_guard _laf(mAudioFlinger.mLock);
		std::lock_guard _l(mLock);
		auto activeMelPatchId = activePatchStreamHandle_l(streamHandle);
		@@ -133,6 +142,10 @@ void AudioFlinger::MelReporter::updateMetadataForCsd(audio_io_handle_t streamHan

		void AudioFlinger::MelReporter::onCreateAudioPatch(audio_patch_handle_t handle,
		const PatchPanel::Patch& patch) {
		if (mSoundDoseManager->isCsdDisabled()) {
		ALOGV("%s csd is disabled", __func__);
		return;
		}
		if (useHalSoundDoseInterface()) {
		ALOGV("%s using HAL sound dose, ignore new patch", __func__);
		return;
		@@ -193,6 +206,11 @@ void AudioFlinger::MelReporter::startMelComputationForActivePatch_l(const Active
		}

		void AudioFlinger::MelReporter::onReleaseAudioPatch(audio_patch_handle_t handle) {
		if (mSoundDoseManager->isCsdDisabled()) {
		ALOGV("%s csd is disabled", __func__);
		return;
		}

		ActiveMelPatch melPatch;
		{
		std::lock_guard _l(mLock);

services/audioflinger/sounddose/SoundDoseManager.cpp

+52 −1

Original line number	Diff line number	Diff line
		@@ -50,7 +50,7 @@ sp<audio_utils::MelProcessor> SoundDoseManager::getOrCreateProcessorForDevice(
		size_t channelCount, audio_format_t format) {
		std::lock_guard _l(mLock);

		if (mHalSoundDose != nullptr) {
		if (mHalSoundDose != nullptr && !mDisableCsd) {
		ALOGW("%s: using HAL MEL computation, no MelProcessor needed.", __func__);
		return nullptr;
		}
		@@ -287,6 +287,15 @@ binder::Status SoundDoseManager::SoundDose::updateAttenuation(float attenuationD
		return binder::Status::ok();
		}

		binder::Status SoundDoseManager::SoundDose::disableCsd() {
		ALOGV("%s", __func__);
		auto soundDoseManager = mSoundDoseManager.promote();
		if (soundDoseManager != nullptr) {
		soundDoseManager->disableCsd();
		}
		return binder::Status::ok();
		}

		binder::Status SoundDoseManager::SoundDose::getOutputRs2UpperBound(float* value) {
		ALOGV("%s", __func__);
		auto soundDoseManager = mSoundDoseManager.promote();
		@@ -343,6 +352,28 @@ void SoundDoseManager::updateAttenuation(float attenuationDB, audio_devices_t de
		}
		}

		void SoundDoseManager::disableCsd() {
		ALOGV("%s", __func__);

		std::lock_guard _l(mLock);
		mDisableCsd = true;

		// Normally, there should be no active MelProcessors when this method is called
		// We pause however every cached MelProcessor as a defensive mechanism to not
		// have unnecessary processing
		for (auto& activeEntry : mActiveProcessors) {
		auto melProcessor = activeEntry.second.promote();
		if (melProcessor != nullptr) {
		melProcessor->pause();
		}
		}
		}

		bool SoundDoseManager::isCsdDisabled() {
		std::lock_guard _l(mLock);
		return mDisableCsd;
		}

		void SoundDoseManager::setUseFrameworkMel(bool useFrameworkMel) {
		// invalidate any HAL sound dose interface used
		setHalSoundDoseInterface(nullptr);
		@@ -392,11 +423,16 @@ void SoundDoseManager::onNewMelValues(const std::vector<float>& mels, size_t off
		audio_port_handle_t deviceId) const {
		ALOGV("%s", __func__);


		sp<media::ISoundDoseCallback> soundDoseCallback;
		std::vector<audio_utils::CsdRecord> records;
		float currentCsd;
		{
		std::lock_guard _l(mLock);
		if (mDisableCsd) {
		return;
		}


		int64_t timestampSec = getMonotonicSecond();

		@@ -432,6 +468,13 @@ sp<media::ISoundDoseCallback> SoundDoseManager::getSoundDoseCallback() const {
		void SoundDoseManager::onMomentaryExposure(float currentMel, audio_port_handle_t deviceId) const {
		ALOGV("%s: Momentary exposure for device %d triggered: %f MEL", __func__, deviceId, currentMel);

		{
		std::lock_guard _l(mLock);
		if (mDisableCsd) {
		return;
		}
		}

		auto soundDoseCallback = getSoundDoseCallback();
		if (soundDoseCallback != nullptr) {
		soundDoseCallback->onMomentaryExposure(currentMel, deviceId);
		@@ -451,6 +494,14 @@ sp<media::ISoundDose> SoundDoseManager::getSoundDoseInterface(

		std::string SoundDoseManager::dump() const {
		std::string output;
		{
		std::lock_guard _l(mLock);
		if (mDisableCsd) {
		base::StringAppendF(&output, "CSD is disabled");
		return output;
		}
		}

		mMelAggregator->foreachCsd([&output](audio_utils::CsdRecord csdRecord) {
		base::StringAppendF(&output,
		"CSD %f with average MEL %f in interval [%" PRId64 ", %" PRId64 "]",

services/audioflinger/sounddose/SoundDoseManager.h

+9 −1

Original line number	Diff line number	Diff line
		@@ -101,6 +101,9 @@ public:
		/** Clear all map entries with passed audio_port_handle_t. */
		void clearMapDeviceIdEntries(audio_port_handle_t deviceId);

		/** Returns true if CSD is disabled. */
		bool isCsdDisabled();

		std::string dump() const;

		// used for testing only
		@@ -134,6 +137,8 @@ private:
		const std::vector<media::SoundDoseRecord>& records) override;
		binder::Status updateAttenuation(float attenuationDB, int device) override;
		binder::Status getOutputRs2UpperBound(float* value) override;
		binder::Status disableCsd() override;

		binder::Status getCsd(float* value) override;
		binder::Status forceUseFrameworkMel(bool useFrameworkMel) override;
		binder::Status forceComputeCsdOnAllDevices(bool computeCsdOnAllDevices) override;
		@@ -164,6 +169,7 @@ private:
		sp<media::ISoundDoseCallback> getSoundDoseCallback() const;

		void updateAttenuation(float attenuationDB, audio_devices_t deviceType);
		void disableCsd();
		void setUseFrameworkMel(bool useFrameworkMel);
		void setComputeCsdOnAllDevices(bool computeCsdOnAllDevices);
		/** Returns the HAL sound dose interface or null if internal MEL computation is used. */
		@@ -191,8 +197,10 @@ private:
		std::shared_ptr<ISoundDose> mHalSoundDose GUARDED_BY(mLock);
		std::shared_ptr<HalSoundDoseCallback> mHalSoundDoseCallback GUARDED_BY(mLock);

		bool mUseFrameworkMel GUARDED_BY(mLock) = false;
		bool mUseFrameworkMel GUARDED_BY(mLock) = true;
		bool mComputeCsdOnAllDevices GUARDED_BY(mLock) = false;

		bool mDisableCsd GUARDED_BY(mLock) = false;
		};

		} // namespace android

services/audioflinger/sounddose/tests/sounddosemanager_tests.cpp

+2 −1

Original line number	Diff line number	Diff line
		@@ -239,7 +239,8 @@ TEST_F(SoundDoseManagerTest, GetDefaultForceComputeCsdOnAllDevices) {
		}

		TEST_F(SoundDoseManagerTest, GetDefaultForceUseFrameworkMel) {
		EXPECT_FALSE(mSoundDoseManager->forceUseFrameworkMel());
		// TODO: for now dogfooding with internal MEL. Revert to false when using the HAL MELs
		EXPECT_TRUE(mSoundDoseManager->forceUseFrameworkMel());
		}

		} // namespace