Allow for late audio module discovery in APM am: 21762fa512 (c003a5fe) · Commits · e / os / android_frameworks_av

services/audiopolicy/AudioPolicyInterface.h

+4 −0

Original line number	Diff line number	Diff line
		@@ -75,6 +75,10 @@ public:
		// configuration functions
		//

		// Informs APM that new HAL modules are available. This typically happens
		// due to registration of an audio HAL service.
		virtual void onNewAudioModulesAvailable() = 0;

		// indicate a change in device connection status
		virtual status_t setDeviceConnectionState(audio_devices_t device,
		audio_policy_dev_state_t state,

services/audiopolicy/common/managerdefinitions/include/AudioPolicyConfig.h

+21 −23

Original line number	Diff line number	Diff line
		@@ -37,13 +37,13 @@ class AudioPolicyConfig
		{
		public:
		AudioPolicyConfig(HwModuleCollection &hwModules,
		DeviceVector &availableOutputDevices,
		DeviceVector &availableInputDevices,
		DeviceVector &outputDevices,
		DeviceVector &inputDevices,
		sp<DeviceDescriptor> &defaultOutputDevice)
		: mEngineLibraryNameSuffix(kDefaultEngineLibraryNameSuffix),
		mHwModules(hwModules),
		mAvailableOutputDevices(availableOutputDevices),
		mAvailableInputDevices(availableInputDevices),
		mOutputDevices(outputDevices),
		mInputDevices(inputDevices),
		mDefaultOutputDevice(defaultOutputDevice),
		mIsSpeakerDrcEnabled(false)
		{}
		@@ -69,23 +69,23 @@ public:
		mHwModules = hwModules;
		}

		void addAvailableDevice(const sp<DeviceDescriptor> &availableDevice)
		void addDevice(const sp<DeviceDescriptor> &device)
		{
		if (audio_is_output_device(availableDevice->type())) {
		mAvailableOutputDevices.add(availableDevice);
		} else if (audio_is_input_device(availableDevice->type())) {
		mAvailableInputDevices.add(availableDevice);
		if (audio_is_output_device(device->type())) {
		mOutputDevices.add(device);
		} else if (audio_is_input_device(device->type())) {
		mInputDevices.add(device);
		}
		}

		void addAvailableInputDevices(const DeviceVector &availableInputDevices)
		void addInputDevices(const DeviceVector &inputDevices)
		{
		mAvailableInputDevices.add(availableInputDevices);
		mInputDevices.add(inputDevices);
		}

		void addAvailableOutputDevices(const DeviceVector &availableOutputDevices)
		void addOutputDevices(const DeviceVector &outputDevices)
		{
		mAvailableOutputDevices.add(availableOutputDevices);
		mOutputDevices.add(outputDevices);
		}

		bool isSpeakerDrcEnabled() const { return mIsSpeakerDrcEnabled; }
		@@ -97,14 +97,14 @@ public:

		const HwModuleCollection getHwModules() const { return mHwModules; }

		const DeviceVector &getAvailableInputDevices() const
		const DeviceVector &getInputDevices() const
		{
		return mAvailableInputDevices;
		return mInputDevices;
		}

		const DeviceVector &getAvailableOutputDevices() const
		const DeviceVector &getOutputDevices() const
		{
		return mAvailableOutputDevices;
		return mOutputDevices;
		}

		void setDefaultOutputDevice(const sp<DeviceDescriptor> &defaultDevice)
		@@ -125,13 +125,11 @@ public:
		sp<AudioProfile> micProfile = new AudioProfile(
		AUDIO_FORMAT_PCM_16_BIT, AUDIO_CHANNEL_IN_MONO, 8000);
		defaultInputDevice->addAudioProfile(micProfile);
		mAvailableOutputDevices.add(mDefaultOutputDevice);
		mAvailableInputDevices.add(defaultInputDevice);
		mOutputDevices.add(mDefaultOutputDevice);
		mInputDevices.add(defaultInputDevice);

		sp<HwModule> module = new HwModule(AUDIO_HARDWARE_MODULE_ID_PRIMARY, 2 /halVersionMajor/);
		mHwModules.add(module);
		mDefaultOutputDevice->attach(module);
		defaultInputDevice->attach(module);

		sp<OutputProfile> outProfile = new OutputProfile("primary");
		outProfile->addAudioProfile(
		@@ -182,8 +180,8 @@ private:
		std::string mSource;
		std::string mEngineLibraryNameSuffix;
		HwModuleCollection &mHwModules; /*< Collection of Module, with Profiles, i.e. Mix Ports. /
		DeviceVector &mAvailableOutputDevices;
		DeviceVector &mAvailableInputDevices;
		DeviceVector &mOutputDevices;
		DeviceVector &mInputDevices;
		sp<DeviceDescriptor> &mDefaultOutputDevice;
		// TODO: remove when legacy conf file is removed. true on devices that use DRC on the
		// DEVICE_CATEGORY_SPEAKER path to boost soft sounds, used to adjust volume curves accordingly.

services/audiopolicy/common/managerdefinitions/src/Serializer.cpp

+1 −1

Original line number	Diff line number	Diff line
		@@ -652,7 +652,7 @@ Return<ModuleTraits::Element> ModuleTraits::deserialize(const xmlNode *cur, PtrS
		sp<DeviceDescriptor> device = module->getDeclaredDevices().
		getDeviceFromTagName(std::string(reinterpret_cast<const char*>(
		attachedDevice.get())));
		ctx->addAvailableDevice(device);
		ctx->addDevice(device);
		}
		}
		}

services/audiopolicy/managerdefault/AudioPolicyManager.cpp

+69 −73

Original line number	Diff line number	Diff line
		@@ -4340,7 +4340,7 @@ AudioPolicyManager::AudioPolicyManager(AudioPolicyClientInterface *clientInterfa
		mpClientInterface(clientInterface),
		mLimitRingtoneVolume(false), mLastVoiceVolume(-1.0f),
		mA2dpSuspended(false),
		mConfig(mHwModulesAll, mAvailableOutputDevices, mAvailableInputDevices, mDefaultOutputDevice),
		mConfig(mHwModulesAll, mOutputDevicesAll, mInputDevicesAll, mDefaultOutputDevice),
		mAudioPortGeneration(1),
		mBeaconMuteRefCount(0),
		mBeaconPlayingRefCount(0),
		@@ -4385,9 +4385,69 @@ status_t AudioPolicyManager::initialize() {
		return status;
		}

		// mAvailableOutputDevices and mAvailableInputDevices now contain all attached devices
		// after parsing the config, mOutputDevicesAll and mInputDevicesAll contain all known devices;
		// open all output streams needed to access attached devices
		onNewAudioModulesAvailable();

		// make sure default device is reachable
		if (mDefaultOutputDevice == 0 \|\| !mAvailableOutputDevices.contains(mDefaultOutputDevice)) {
		ALOGE_IF(mDefaultOutputDevice != 0, "Default device %s is unreachable",
		mDefaultOutputDevice->toString().c_str());
		status = NO_INIT;
		}
		// If microphones address is empty, set it according to device type
		for (size_t i = 0; i < mAvailableInputDevices.size(); i++) {
		if (mAvailableInputDevices[i]->address().empty()) {
		if (mAvailableInputDevices[i]->type() == AUDIO_DEVICE_IN_BUILTIN_MIC) {
		mAvailableInputDevices[i]->setAddress(AUDIO_BOTTOM_MICROPHONE_ADDRESS);
		} else if (mAvailableInputDevices[i]->type() == AUDIO_DEVICE_IN_BACK_MIC) {
		mAvailableInputDevices[i]->setAddress(AUDIO_BACK_MICROPHONE_ADDRESS);
		}
		}
		}

		if (mPrimaryOutput == 0) {
		ALOGE("Failed to open primary output");
		status = NO_INIT;
		}

		// Silence ALOGV statements
		property_set("log.tag." LOG_TAG, "D");

		updateDevicesAndOutputs();
		return status;
		}

		AudioPolicyManager::~AudioPolicyManager()
		{
		for (size_t i = 0; i < mOutputs.size(); i++) {
		mOutputs.valueAt(i)->close();
		}
		for (size_t i = 0; i < mInputs.size(); i++) {
		mInputs.valueAt(i)->close();
		}
		mAvailableOutputDevices.clear();
		mAvailableInputDevices.clear();
		mOutputs.clear();
		mInputs.clear();
		mHwModules.clear();
		mHwModulesAll.clear();
		mManualSurroundFormats.clear();
		}

		status_t AudioPolicyManager::initCheck()
		{
		return hasPrimaryOutput() ? NO_ERROR : NO_INIT;
		}

		// ---

		void AudioPolicyManager::onNewAudioModulesAvailable()
		{
		for (const auto& hwModule : mHwModulesAll) {
		if (std::find(mHwModules.begin(), mHwModules.end(), hwModule) != mHwModules.end()) {
		continue;
		}
		hwModule->setHandle(mpClientInterface->loadHwModule(hwModule->getName()));
		if (hwModule->getHandle() == AUDIO_MODULE_HANDLE_NONE) {
		ALOGW("could not open HW module %s", hwModule->getName());
		@@ -4416,7 +4476,7 @@ status_t AudioPolicyManager::initialize() {
		continue;
		}
		const DeviceVector &supportedDevices = outProfile->getSupportedDevices();
		DeviceVector availProfileDevices = supportedDevices.filter(mAvailableOutputDevices);
		DeviceVector availProfileDevices = supportedDevices.filter(mOutputDevicesAll);
		sp<DeviceDescriptor> supportedDevice = 0;
		if (supportedDevices.contains(mDefaultOutputDevice)) {
		supportedDevice = mDefaultOutputDevice;
		@@ -4428,7 +4488,7 @@ status_t AudioPolicyManager::initialize() {
		}
		supportedDevice = availProfileDevices.itemAt(0);
		}
		if (!mAvailableOutputDevices.contains(supportedDevice)) {
		if (!mOutputDevicesAll.contains(supportedDevice)) {
		continue;
		}
		sp<SwAudioOutputDescriptor> outputDesc = new SwAudioOutputDescriptor(outProfile,
		@@ -4446,6 +4506,8 @@ status_t AudioPolicyManager::initialize() {
		// give a valid ID to an attached device once confirmed it is reachable
		if (!device->isAttached()) {
		device->attach(hwModule);
		mAvailableOutputDevices.add(device);
		setEngineDeviceConnectionState(device, AUDIO_POLICY_DEVICE_STATE_AVAILABLE);
		}
		}
		if (mPrimaryOutput == 0 &&
		@@ -4474,7 +4536,7 @@ status_t AudioPolicyManager::initialize() {
		// chose first device present in profile's SupportedDevices also part of
		// available input devices
		const DeviceVector &supportedDevices = inProfile->getSupportedDevices();
		DeviceVector availProfileDevices = supportedDevices.filter(mAvailableInputDevices);
		DeviceVector availProfileDevices = supportedDevices.filter(mInputDevicesAll);
		if (availProfileDevices.isEmpty()) {
		ALOGE("%s: Input device list is empty!", __FUNCTION__);
		continue;
		@@ -4499,81 +4561,15 @@ status_t AudioPolicyManager::initialize() {
		if (!device->isAttached()) {
		device->attach(hwModule);
		device->importAudioPortAndPickAudioProfile(inProfile, true);
		}
		}
		inputDesc->close();
		}
		}
		// make sure all attached devices have been allocated a unique ID
		auto checkAndSetAvailable = [this](auto& devices) {
		for (size_t i = 0; i < devices.size();) {
		const auto &device = devices[i];
		if (!device->isAttached()) {
		ALOGW("device %s is unreachable", device->toString().c_str());
		devices.remove(device);
		continue;
		}
		// Device is now validated and can be appended to the available devices of the engine
		mAvailableInputDevices.add(device);
		setEngineDeviceConnectionState(device, AUDIO_POLICY_DEVICE_STATE_AVAILABLE);
		i++;
		}
		};
		checkAndSetAvailable(mAvailableOutputDevices);
		checkAndSetAvailable(mAvailableInputDevices);

		// make sure default device is reachable
		if (mDefaultOutputDevice == 0 \|\| !mAvailableOutputDevices.contains(mDefaultOutputDevice)) {
		ALOGE_IF(mDefaultOutputDevice != 0, "Default device %s is unreachable",
		mDefaultOutputDevice->toString().c_str());
		status = NO_INIT;
		}
		// If microphones address is empty, set it according to device type
		for (size_t i = 0; i < mAvailableInputDevices.size(); i++) {
		if (mAvailableInputDevices[i]->address().empty()) {
		if (mAvailableInputDevices[i]->type() == AUDIO_DEVICE_IN_BUILTIN_MIC) {
		mAvailableInputDevices[i]->setAddress(AUDIO_BOTTOM_MICROPHONE_ADDRESS);
		} else if (mAvailableInputDevices[i]->type() == AUDIO_DEVICE_IN_BACK_MIC) {
		mAvailableInputDevices[i]->setAddress(AUDIO_BACK_MICROPHONE_ADDRESS);
		}
		}
		}

		if (mPrimaryOutput == 0) {
		ALOGE("Failed to open primary output");
		status = NO_INIT;
		}

		// Silence ALOGV statements
		property_set("log.tag." LOG_TAG, "D");

		updateDevicesAndOutputs();
		return status;
		}

		AudioPolicyManager::~AudioPolicyManager()
		{
		for (size_t i = 0; i < mOutputs.size(); i++) {
		mOutputs.valueAt(i)->close();
		}
		for (size_t i = 0; i < mInputs.size(); i++) {
		mInputs.valueAt(i)->close();
		inputDesc->close();
		}
		mAvailableOutputDevices.clear();
		mAvailableInputDevices.clear();
		mOutputs.clear();
		mInputs.clear();
		mHwModules.clear();
		mHwModulesAll.clear();
		mManualSurroundFormats.clear();
		}

		status_t AudioPolicyManager::initCheck()
		{
		return hasPrimaryOutput() ? NO_ERROR : NO_INIT;
		}

		// ---

		void AudioPolicyManager::addOutput(audio_io_handle_t output,
		const sp<SwAudioOutputDescriptor>& outputDesc)
		{

services/audiopolicy/managerdefault/AudioPolicyManager.h

+6 −3

Original line number	Diff line number	Diff line
		@@ -315,6 +315,8 @@ public:
		return volumeGroup != VOLUME_GROUP_NONE ? NO_ERROR : BAD_VALUE;
		}

		void onNewAudioModulesAvailable() override;

		status_t initialize();

		protected:
		@@ -717,6 +719,8 @@ protected:
		SwAudioOutputCollection mPreviousOutputs;
		AudioInputCollection mInputs; // list of input descriptors

		DeviceVector mOutputDevicesAll; // all output devices from the config
		DeviceVector mInputDevicesAll; // all input devices from the config
		DeviceVector mAvailableOutputDevices; // all available output devices
		DeviceVector mAvailableInputDevices; // all available input devices

		@@ -727,9 +731,8 @@ protected:

		EffectDescriptorCollection mEffects; // list of registered audio effects
		sp<DeviceDescriptor> mDefaultOutputDevice; // output device selected by default at boot time
		HwModuleCollection mHwModules; // contains only modules that have been loaded successfully
		HwModuleCollection mHwModulesAll; // normally not needed, used during construction and for
		// dumps
		HwModuleCollection mHwModules; // contains modules that have been loaded successfully
		HwModuleCollection mHwModulesAll; // contains all modules declared in the config

		AudioPolicyConfig mConfig;