Merge "audio policy: phone strategy routing based on preferred device API" am: af5c22012f (61cc5c2a) · Commits · e / os / android_frameworks_av

services/audiopolicy/enginedefault/src/Engine.cpp

+81 −109

Original line number	Diff line number	Diff line
		@@ -184,16 +184,7 @@ DeviceVector Engine::getDevicesForStrategyInt(legacy_strategy strategy,
		break;

		case STRATEGY_DTMF:
		if (!isInCall()) {
		// when off call, DTMF strategy follows the same rules as MEDIA strategy
		devices = getDevicesForStrategyInt(
		STRATEGY_MEDIA, availableOutputDevices, availableInputDevices, outputs);
		break;
		}
		// when in call, DTMF and PHONE strategies follow the same rules
		FALLTHROUGH_INTENDED;

		case STRATEGY_PHONE:
		case STRATEGY_PHONE: {
		// Force use of only devices on primary output if:
		// - in call AND
		// - cannot route from voice call RX OR
		@@ -223,77 +214,17 @@ DeviceVector Engine::getDevicesForStrategyInt(legacy_strategy strategy,
		availableOutputDevices = availPrimaryOutputDevices;
		}
		}
		// for phone strategy, we first consider the forced use and then the available devices by
		// order of priority
		switch (getForceUse(AUDIO_POLICY_FORCE_FOR_COMMUNICATION)) {
		case AUDIO_POLICY_FORCE_BT_SCO:
		if (!isInCall() \|\| strategy != STRATEGY_DTMF) {
		devices = availableOutputDevices.getDevicesFromType(
		AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT);
		if (!devices.isEmpty()) break;
		}
		devices = availableOutputDevices.getFirstDevicesFromTypes({
		AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET, AUDIO_DEVICE_OUT_BLUETOOTH_SCO});
		if (!devices.isEmpty()) break;
		// if SCO device is requested but no SCO device is available, fall back to default case
		FALLTHROUGH_INTENDED;

		default: // FORCE_NONE
		devices = availableOutputDevices.getDevicesFromType(AUDIO_DEVICE_OUT_HEARING_AID);
		if (!devices.isEmpty()) break;

		// TODO (b/161358428): remove when preferred device
		// for strategy phone will be used instead of AUDIO_POLICY_FORCE_FOR_COMMUNICATION
		devices = availableOutputDevices.getDevicesFromType(AUDIO_DEVICE_OUT_BLE_HEADSET);
		if (!devices.isEmpty()) break;

		// when not in a phone call, phone strategy should route STREAM_VOICE_CALL to A2DP
		if (!isInCall() &&
		(getForceUse(AUDIO_POLICY_FORCE_FOR_MEDIA) != AUDIO_POLICY_FORCE_NO_BT_A2DP)) {
		devices = availableOutputDevices.getFirstDevicesFromTypes({
		AUDIO_DEVICE_OUT_BLUETOOTH_A2DP,
		AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES});
		if (!devices.isEmpty()) break;
		}
		devices = availableOutputDevices.getFirstDevicesFromTypes({
		AUDIO_DEVICE_OUT_WIRED_HEADPHONE, AUDIO_DEVICE_OUT_WIRED_HEADSET,
		AUDIO_DEVICE_OUT_LINE, AUDIO_DEVICE_OUT_USB_HEADSET,
		AUDIO_DEVICE_OUT_WIRED_HEADPHONE,
		AUDIO_DEVICE_OUT_WIRED_HEADSET,
		AUDIO_DEVICE_OUT_LINE,
		AUDIO_DEVICE_OUT_USB_HEADSET,
		AUDIO_DEVICE_OUT_USB_DEVICE});
		if (!devices.isEmpty()) break;
		if (!isInCall()) {
		devices = availableOutputDevices.getFirstDevicesFromTypes({
		AUDIO_DEVICE_OUT_USB_ACCESSORY, AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET,
		AUDIO_DEVICE_OUT_AUX_DIGITAL, AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET});
		if (!devices.isEmpty()) break;
		}
		devices = availableOutputDevices.getDevicesFromType(AUDIO_DEVICE_OUT_EARPIECE);
		break;

		case AUDIO_POLICY_FORCE_SPEAKER:
		// when not in a phone call, phone strategy should route STREAM_VOICE_CALL to
		// A2DP speaker when forcing to speaker output
		if (!isInCall()) {
		devices = availableOutputDevices.getDevicesFromType(
		AUDIO_DEVICE_OUT_BLE_SPEAKER);
		if (!devices.isEmpty()) break;

		if ((getForceUse(AUDIO_POLICY_FORCE_FOR_MEDIA) != AUDIO_POLICY_FORCE_NO_BT_A2DP)) {
		devices = availableOutputDevices.getDevicesFromType(
		AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER);
		if (!devices.isEmpty()) break;
		}
		}
		if (!isInCall()) {
		devices = availableOutputDevices.getFirstDevicesFromTypes({
		AUDIO_DEVICE_OUT_USB_ACCESSORY, AUDIO_DEVICE_OUT_USB_DEVICE,
		AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET, AUDIO_DEVICE_OUT_AUX_DIGITAL,
		AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET});
		if (!devices.isEmpty()) break;
		}
		devices = availableOutputDevices.getDevicesFromType(AUDIO_DEVICE_OUT_SPEAKER);
		break;
		}
		break;
		} break;

		case STRATEGY_SONIFICATION:

		@@ -336,7 +267,8 @@ DeviceVector Engine::getDevicesForStrategyInt(legacy_strategy strategy,
		}
		}
		// Use both Bluetooth SCO and phone default output when ringing in normal mode
		if (getForceUse(AUDIO_POLICY_FORCE_FOR_COMMUNICATION) == AUDIO_POLICY_FORCE_BT_SCO) {
		if (audio_is_bluetooth_out_sco_device(getPreferredDeviceTypeForLegacyStrategy(
		availableOutputDevices, STRATEGY_PHONE))) {
		if (strategy == STRATEGY_SONIFICATION) {
		devices.replaceDevicesByType(
		AUDIO_DEVICE_OUT_SPEAKER,
		@@ -506,13 +438,16 @@ sp<DeviceDescriptor> Engine::getDeviceForInputSource(audio_source_t inputSource)
		}
		}

		audio_devices_t commDeviceType =
		getPreferredDeviceTypeForLegacyStrategy(availableOutputDevices, STRATEGY_PHONE);

		switch (inputSource) {
		case AUDIO_SOURCE_DEFAULT:
		case AUDIO_SOURCE_MIC:
		device = availableDevices.getDevice(
		AUDIO_DEVICE_IN_BLUETOOTH_A2DP, String8(""), AUDIO_FORMAT_DEFAULT);
		if (device != nullptr) break;
		if (getForceUse(AUDIO_POLICY_FORCE_FOR_RECORD) == AUDIO_POLICY_FORCE_BT_SCO) {
		if (audio_is_bluetooth_out_sco_device(commDeviceType)) {
		device = availableDevices.getDevice(
		AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET, String8(""), AUDIO_FORMAT_DEFAULT);
		if (device != nullptr) break;
		@@ -533,30 +468,29 @@ sp<DeviceDescriptor> Engine::getDeviceForInputSource(audio_source_t inputSource)
		availableDevices = availablePrimaryDevices;
		}

		switch (getForceUse(AUDIO_POLICY_FORCE_FOR_COMMUNICATION)) {
		case AUDIO_POLICY_FORCE_BT_SCO:
		if (audio_is_bluetooth_out_sco_device(commDeviceType)) {
		// if SCO device is requested but no SCO device is available, fall back to default case
		device = availableDevices.getDevice(
		AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET, String8(""), AUDIO_FORMAT_DEFAULT);
		if (device != nullptr) {
		break;
		}
		FALLTHROUGH_INTENDED;

		default: // FORCE_NONE
		// TODO (b/161358428): remove AUDIO_DEVICE_IN_BLE_HEADSET from the list
		// when preferred device for strategy phone will be used instead of
		// AUDIO_POLICY_FORCE_FOR_COMMUNICATION.
		device = availableDevices.getFirstExistingDevice({
		AUDIO_DEVICE_IN_BLE_HEADSET, AUDIO_DEVICE_IN_WIRED_HEADSET,
		AUDIO_DEVICE_IN_USB_HEADSET, AUDIO_DEVICE_IN_USB_DEVICE,
		AUDIO_DEVICE_IN_BUILTIN_MIC});
		}
		switch (commDeviceType) {
		case AUDIO_DEVICE_OUT_BLE_HEADSET:
		device = availableDevices.getDevice(
		AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET, String8(""), AUDIO_FORMAT_DEFAULT);
		break;

		case AUDIO_POLICY_FORCE_SPEAKER:
		case AUDIO_DEVICE_OUT_SPEAKER:
		device = availableDevices.getFirstExistingDevice({
		AUDIO_DEVICE_IN_BACK_MIC, AUDIO_DEVICE_IN_BUILTIN_MIC});
		break;
		default: // FORCE_NONE
		device = availableDevices.getFirstExistingDevice({
		AUDIO_DEVICE_IN_WIRED_HEADSET, AUDIO_DEVICE_IN_USB_HEADSET,
		AUDIO_DEVICE_IN_USB_DEVICE, AUDIO_DEVICE_IN_BUILTIN_MIC});
		break;

		}
		break;

		@@ -569,7 +503,7 @@ sp<DeviceDescriptor> Engine::getDeviceForInputSource(audio_source_t inputSource)
		LOG_ALWAYS_FATAL_IF(availablePrimaryDevices.isEmpty(), "Primary devices not found");
		availableDevices = availablePrimaryDevices;
		}
		if (getForceUse(AUDIO_POLICY_FORCE_FOR_RECORD) == AUDIO_POLICY_FORCE_BT_SCO) {
		if (audio_is_bluetooth_out_sco_device(commDeviceType)) {
		device = availableDevices.getDevice(
		AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET, String8(""), AUDIO_FORMAT_DEFAULT);
		if (device != nullptr) break;
		@@ -619,6 +553,7 @@ sp<DeviceDescriptor> Engine::getDeviceForInputSource(audio_source_t inputSource)
		ALOGE_IF(device == nullptr,
		"getDeviceForInputSource() no default device defined");
		}

		ALOGV_IF(device != nullptr,
		"getDeviceForInputSource()input source %d, device %08x",
		inputSource, device->type());
		@@ -636,17 +571,35 @@ void Engine::updateDeviceSelectionCache()
		}
		}

		DeviceVector Engine::getDevicesForProductStrategy(product_strategy_t strategy) const {
		DeviceVector availableOutputDevices = getApmObserver()->getAvailableOutputDevices();
		product_strategy_t Engine::getProductStrategyFromLegacy(legacy_strategy legacyStrategy) const {
		for (const auto& strategyMap : mLegacyStrategyMap) {
		if (strategyMap.second == legacyStrategy) {
		return strategyMap.first;
		}
		}
		return PRODUCT_STRATEGY_NONE;
		}

		// check if this strategy has a preferred device that is available,
		// if yes, give priority to it
		audio_devices_t Engine::getPreferredDeviceTypeForLegacyStrategy(
		const DeviceVector& availableOutputDevices, legacy_strategy legacyStrategy) const {
		product_strategy_t strategy = getProductStrategyFromLegacy(legacyStrategy);
		DeviceVector devices = getPreferredAvailableDevicesForProductStrategy(
		availableOutputDevices, strategy);
		if (devices.size() > 0) {
		return devices[0]->type();
		}
		return AUDIO_DEVICE_NONE;
		}

		DeviceVector Engine::getPreferredAvailableDevicesForProductStrategy(
		const DeviceVector& availableOutputDevices, product_strategy_t strategy) const {
		DeviceVector preferredAvailableDevVec = {};
		AudioDeviceTypeAddrVector preferredStrategyDevices;
		const status_t status = getDevicesForRoleAndStrategy(
		strategy, DEVICE_ROLE_PREFERRED, preferredStrategyDevices);
		if (status == NO_ERROR) {
		// there is a preferred device, is it available?
		DeviceVector preferredAvailableDevVec =
		preferredAvailableDevVec =
		availableOutputDevices.getDevicesFromDeviceTypeAddrVec(preferredStrategyDevices);
		if (preferredAvailableDevVec.size() == preferredAvailableDevVec.size()) {
		ALOGVV("%s using pref device %s for strategy %u",
		@@ -654,11 +607,30 @@ DeviceVector Engine::getDevicesForProductStrategy(product_strategy_t strategy) c
		return preferredAvailableDevVec;
		}
		}
		return preferredAvailableDevVec;
		}

		DeviceVector availableInputDevices = getApmObserver()->getAvailableInputDevices();
		const SwAudioOutputCollection& outputs = getApmObserver()->getOutputs();
		DeviceVector Engine::getDevicesForProductStrategy(product_strategy_t strategy) const {
		DeviceVector availableOutputDevices = getApmObserver()->getAvailableOutputDevices();
		auto legacyStrategy = mLegacyStrategyMap.find(strategy) != end(mLegacyStrategyMap) ?
		mLegacyStrategyMap.at(strategy) : STRATEGY_NONE;

		// When not in call, STRATEGY_PHONE and STRATEGY_DTMF follow STRATEGY_MEDIA
		if (!isInCall() && (legacyStrategy == STRATEGY_PHONE \|\| legacyStrategy == STRATEGY_DTMF)) {
		legacyStrategy = STRATEGY_MEDIA;
		strategy = getProductStrategyFromLegacy(STRATEGY_MEDIA);
		}
		// check if this strategy has a preferred device that is available,
		// if yes, give priority to it.
		DeviceVector preferredAvailableDevVec =
		getPreferredAvailableDevicesForProductStrategy(availableOutputDevices, strategy);
		if (!preferredAvailableDevVec.isEmpty()) {
		return preferredAvailableDevVec;
		}

		DeviceVector availableInputDevices = getApmObserver()->getAvailableInputDevices();
		const SwAudioOutputCollection& outputs = getApmObserver()->getOutputs();

		return getDevicesForStrategyInt(legacyStrategy,
		availableOutputDevices,
		availableInputDevices, outputs);

services/audiopolicy/enginedefault/src/Engine.h

+6 −0

Original line number	Diff line number	Diff line
		@@ -83,6 +83,12 @@ private:

		sp<DeviceDescriptor> getDeviceForInputSource(audio_source_t inputSource) const;

		product_strategy_t getProductStrategyFromLegacy(legacy_strategy legacyStrategy) const;
		audio_devices_t getPreferredDeviceTypeForLegacyStrategy(
		const DeviceVector& availableOutputDevices, legacy_strategy legacyStrategy) const;
		DeviceVector getPreferredAvailableDevicesForProductStrategy(
		const DeviceVector& availableOutputDevices, product_strategy_t strategy) const;

		DeviceStrategyMap mDevicesForStrategies;

		std::map<product_strategy_t, legacy_strategy> mLegacyStrategyMap;

services/audiopolicy/managerdefault/AudioPolicyManager.cpp

+70 −30

Original line number	Diff line number	Diff line
		@@ -790,16 +790,7 @@ void AudioPolicyManager::setForceUse(audio_policy_force_use_t usage,
		}

		updateCallAndOutputRouting(forceVolumeReeval, delayMs);

		for (const auto& activeDesc : mInputs.getActiveInputs()) {
		auto newDevice = getNewInputDevice(activeDesc);
		// Force new input selection if the new device can not be reached via current input
		if (activeDesc->mProfile->getSupportedDevices().contains(newDevice)) {
		setInputDevice(activeDesc->mIoHandle, newDevice);
		} else {
		closeInput(activeDesc->mIoHandle);
		}
		}
		updateInputRouting();
		}

		void AudioPolicyManager::setSystemProperty(const char* property, const char* value)
		@@ -3145,6 +3136,7 @@ status_t AudioPolicyManager::removeUidDeviceAffinities(uid_t uid) {
		return res;
		}


		status_t AudioPolicyManager::setDevicesRoleForStrategy(product_strategy_t strategy,
		device_role_t role,
		const AudioDeviceTypeAddrVector &devices) {
		@@ -3162,7 +3154,17 @@ status_t AudioPolicyManager::setDevicesRoleForStrategy(product_strategy_t strate
		}

		checkForDeviceAndOutputChanges();
		updateCallAndOutputRouting();

		bool forceVolumeReeval = false;
		// FIXME: workaround for truncated touch sounds
		// to be removed when the problem is handled by system UI
		uint32_t delayMs = 0;
		if (strategy == mCommunnicationStrategy) {
		forceVolumeReeval = true;
		delayMs = TOUCH_SOUND_FIXED_DELAY_MS;
		updateInputRouting();
		}
		updateCallAndOutputRouting(forceVolumeReeval, delayMs);

		return NO_ERROR;
		}
		@@ -3193,6 +3195,18 @@ void AudioPolicyManager::updateCallAndOutputRouting(bool forceVolumeReeval, uint
		}
		}

		void AudioPolicyManager::updateInputRouting() {
		for (const auto& activeDesc : mInputs.getActiveInputs()) {
		auto newDevice = getNewInputDevice(activeDesc);
		// Force new input selection if the new device can not be reached via current input
		if (activeDesc->mProfile->getSupportedDevices().contains(newDevice)) {
		setInputDevice(activeDesc->mIoHandle, newDevice);
		} else {
		closeInput(activeDesc->mIoHandle);
		}
		}
		}

		status_t AudioPolicyManager::removeDevicesRoleForStrategy(product_strategy_t strategy,
		device_role_t role)
		{
		@@ -3200,12 +3214,23 @@ status_t AudioPolicyManager::removeDevicesRoleForStrategy(product_strategy_t str

		status_t status = mEngine->removeDevicesRoleForStrategy(strategy, role);
		if (status != NO_ERROR) {
		ALOGW("Engine could not remove preferred device for strategy %d", strategy);
		ALOGV("Engine could not remove preferred device for strategy %d status %d",
		strategy, status);
		return status;
		}

		checkForDeviceAndOutputChanges();
		updateCallAndOutputRouting();

		bool forceVolumeReeval = false;
		// FIXME: workaround for truncated touch sounds
		// to be removed when the problem is handled by system UI
		uint32_t delayMs = 0;
		if (strategy == mCommunnicationStrategy) {
		forceVolumeReeval = true;
		delayMs = TOUCH_SOUND_FIXED_DELAY_MS;
		updateInputRouting();
		}
		updateCallAndOutputRouting(forceVolumeReeval, delayMs);

		return NO_ERROR;
		}
		@@ -3245,6 +3270,7 @@ status_t AudioPolicyManager::addDevicesRoleForCapturePreset(
		"Engine could not add preferred devices %s for audio source %d role %d",
		dumpAudioDeviceTypeAddrVector(devices).c_str(), audioSource, role);

		updateInputRouting();
		return status;
		}

		@@ -3263,6 +3289,7 @@ status_t AudioPolicyManager::removeDevicesRoleForCapturePreset(
		ALOGW_IF(status != NO_ERROR,
		"Engine could not remove devices role (%d) for capture preset %d", role, audioSource);

		updateInputRouting();
		return status;
		}

		@@ -3274,6 +3301,7 @@ status_t AudioPolicyManager::clearDevicesRoleForCapturePreset(audio_source_t aud
		ALOGW_IF(status != NO_ERROR,
		"Engine could not clear devices role (%d) for capture preset %d", role, audioSource);

		updateInputRouting();
		return status;
		}

		@@ -3343,7 +3371,9 @@ void AudioPolicyManager::dump(String8 *dst) const
		}
		dst->appendFormat(" TTS output %savailable\n", mTtsOutputAvailable ? "" : "not ");
		dst->appendFormat(" Master mono: %s\n", mMasterMono ? "on" : "off");
		dst->appendFormat(" Communnication Strategy: %d\n", mCommunnicationStrategy);
		dst->appendFormat(" Config source: %s\n", mConfig.getSource().c_str()); // getConfig not const

		mAvailableOutputDevices.dump(dst, String8("Available output"));
		mAvailableInputDevices.dump(dst, String8("Available input"));
		mHwModulesAll.dump(dst);
		@@ -4639,6 +4669,9 @@ status_t AudioPolicyManager::initialize() {
		// Silence ALOGV statements
		property_set("log.tag." LOG_TAG, "D");

		mCommunnicationStrategy = mEngine->getProductStrategyForAttributes(
		mEngine->getAttributesForStreamType(AUDIO_STREAM_VOICE_CALL));

		updateDevicesAndOutputs();
		return status;
		}
		@@ -5466,6 +5499,17 @@ void AudioPolicyManager::checkSecondaryOutputs() {
		}
		}

		bool AudioPolicyManager::isScoRequestedForComm() const {
		AudioDeviceTypeAddrVector devices;
		mEngine->getDevicesForRoleAndStrategy(mCommunnicationStrategy, DEVICE_ROLE_PREFERRED, devices);
		for (const auto &device : devices) {
		if (audio_is_bluetooth_out_sco_device(device.mType)) {
		return true;
		}
		}
		return false;
		}

		void AudioPolicyManager::checkA2dpSuspend()
		{
		audio_io_handle_t a2dpOutput = mOutputs.getA2dpOutput();
		@@ -5477,23 +5521,21 @@ void AudioPolicyManager::checkA2dpSuspend()
		bool isScoConnected =
		(mAvailableInputDevices.types().count(AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET) != 0 \|\|
		!Intersection(mAvailableOutputDevices.types(), getAudioDeviceOutAllScoSet()).empty());
		bool isScoRequested = isScoRequestedForComm();

		// if suspended, restore A2DP output if:
		// ((SCO device is NOT connected) \|\|
		// ((forced usage communication is NOT SCO) && (forced usage for record is NOT SCO) &&
		// ((SCO is not requested) &&
		// (phone state is NOT in call) && (phone state is NOT ringing)))
		//
		// if not suspended, suspend A2DP output if:
		// (SCO device is connected) &&
		// ((forced usage for communication is SCO) \|\| (forced usage for record is SCO) \|\|
		// ((SCO is requested) \|\|
		// ((phone state is in call) \|\| (phone state is ringing)))
		//
		if (mA2dpSuspended) {
		if (!isScoConnected \|\|
		((mEngine->getForceUse(AUDIO_POLICY_FORCE_FOR_COMMUNICATION) !=
		AUDIO_POLICY_FORCE_BT_SCO) &&
		(mEngine->getForceUse(AUDIO_POLICY_FORCE_FOR_RECORD) !=
		AUDIO_POLICY_FORCE_BT_SCO) &&
		(!isScoRequested &&
		(mEngine->getPhoneState() != AUDIO_MODE_IN_CALL) &&
		(mEngine->getPhoneState() != AUDIO_MODE_RINGTONE))) {

		@@ -5502,10 +5544,7 @@ void AudioPolicyManager::checkA2dpSuspend()
		}
		} else {
		if (isScoConnected &&
		((mEngine->getForceUse(AUDIO_POLICY_FORCE_FOR_COMMUNICATION) ==
		AUDIO_POLICY_FORCE_BT_SCO) \|\|
		(mEngine->getForceUse(AUDIO_POLICY_FORCE_FOR_RECORD) ==
		AUDIO_POLICY_FORCE_BT_SCO) \|\|
		(isScoRequested \|\|
		(mEngine->getPhoneState() == AUDIO_MODE_IN_CALL) \|\|
		(mEngine->getPhoneState() == AUDIO_MODE_RINGTONE))) {

		@@ -6217,16 +6256,17 @@ status_t AudioPolicyManager::checkAndSetVolume(IVolumeCurves &curves,
		bool isVoiceVolSrc = callVolSrc == volumeSource;
		bool isBtScoVolSrc = btScoVolSrc == volumeSource;

		audio_policy_forced_cfg_t forceUseForComm =
		mEngine->getForceUse(AUDIO_POLICY_FORCE_FOR_COMMUNICATION);
		bool isScoRequested = isScoRequestedForComm();
		// do not change in call volume if bluetooth is connected and vice versa
		// if sco and call follow same curves, bypass forceUseForComm
		if ((callVolSrc != btScoVolSrc) &&
		((isVoiceVolSrc && forceUseForComm == AUDIO_POLICY_FORCE_BT_SCO) \|\|
		(isBtScoVolSrc && forceUseForComm != AUDIO_POLICY_FORCE_BT_SCO))) {
		ALOGV("%s cannot set volume group %d volume with force use = %d for comm", __func__,
		volumeSource, forceUseForComm);
		return INVALID_OPERATION;
		((isVoiceVolSrc && isScoRequested) \|\|
		(isBtScoVolSrc && !isScoRequested))) {
		ALOGV("%s cannot set volume group %d volume when is%srequested for comm", __func__,
		volumeSource, isScoRequested ? " " : "n ot ");
		// Do not return an error here as AudioService will always set both voice call
		// and bluetooth SCO volumes due to stream aliasing.
		return NO_ERROR;
		}
		if (deviceTypes.empty()) {
		deviceTypes = outputDesc->devices().types();

services/audiopolicy/managerdefault/AudioPolicyManager.h

+10 −0

Original line number	Diff line number	Diff line
		@@ -556,6 +556,11 @@ protected:
		*/
		void updateCallAndOutputRouting(bool forceVolumeReeval = true, uint32_t delayMs = 0);

		/**
		* @brief updates routing for all inputs.
		*/
		void updateInputRouting();

		/**
		* @brief checkOutputForAttributes checks and if necessary changes outputs used for the
		* given audio attributes.
		@@ -812,6 +817,10 @@ protected:
		std::unordered_set<audio_format_t> mManualSurroundFormats;

		std::unordered_map<uid_t, audio_flags_mask_t> mAllowedCapturePolicies;

		// Cached product strategy ID corresponding to legacy strategy STRATEGY_PHONE
		product_strategy_t mCommunnicationStrategy;

		private:
		void onNewAudioModulesAvailableInt(DeviceVector *newDevices);

		@@ -967,6 +976,7 @@ private:
		std::function<bool(audio_devices_t)> predicate,
		const char* context);

		bool isScoRequestedForComm() const;
		};

		};