Merge "audio policy: improve input device connection logic" into qt-dev (7fc3bbe5) · Commits · e / os / android_frameworks_av

services/audiopolicy/managerdefault/AudioPolicyManager.cpp

+50 −36

Original line number	Diff line number	Diff line
		@@ -273,8 +273,6 @@ status_t AudioPolicyManager::setDeviceConnectionStateInt(audio_devices_t deviceT

		// handle input devices
		if (audio_is_input_device(deviceType)) {
		SortedVector <audio_io_handle_t> inputs;

		ssize_t index = mAvailableInputDevices.indexOf(device);
		switch (state)
		{
		@@ -284,11 +282,18 @@ status_t AudioPolicyManager::setDeviceConnectionStateInt(audio_devices_t deviceT
		ALOGW("%s() device already connected: %s", __func__, device->toString().c_str());
		return INVALID_OPERATION;
		}

		if (mAvailableInputDevices.add(device) < 0) {
		return NO_MEMORY;
		}

		// Before checking intputs, broadcast connect event to allow HAL to retrieve dynamic
		// parameters on newly connected devices (instead of opening the inputs...)
		broadcastDeviceConnectionState(device, state);

		if (checkInputsForDevice(device, state, inputs) != NO_ERROR) {
		if (checkInputsForDevice(device, state) != NO_ERROR) {
		mAvailableInputDevices.remove(device);

		broadcastDeviceConnectionState(device, AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE);

		mHwModules.cleanUpForDevice(device);
		@@ -296,9 +301,6 @@ status_t AudioPolicyManager::setDeviceConnectionStateInt(audio_devices_t deviceT
		return INVALID_OPERATION;
		}

		if (mAvailableInputDevices.add(device) < 0) {
		return NO_MEMORY;
		}
		} break;

		// handle input device disconnection
		@@ -313,8 +315,9 @@ status_t AudioPolicyManager::setDeviceConnectionStateInt(audio_devices_t deviceT
		// Set Disconnect to HALs
		broadcastDeviceConnectionState(device, state);

		checkInputsForDevice(device, state, inputs);
		mAvailableInputDevices.remove(device);

		checkInputsForDevice(device, state);
		} break;

		default:
		@@ -325,7 +328,7 @@ status_t AudioPolicyManager::setDeviceConnectionStateInt(audio_devices_t deviceT
		// Propagate device availability to Engine
		setEngineDeviceConnectionState(device, state);

		closeAllInputs();
		checkCloseInputs();
		// As the input device list can impact the output device selection, update
		// getDeviceForStrategy() cache
		updateDevicesAndOutputs();
		@@ -2342,9 +2345,39 @@ void AudioPolicyManager::closeClient(audio_port_handle_t portId)
		releaseInput(portId);
		}

		void AudioPolicyManager::closeAllInputs() {
		while (mInputs.size() != 0) {
		closeInput(mInputs.keyAt(0));
		void AudioPolicyManager::checkCloseInputs() {
		// After connecting or disconnecting an input device, close input if:
		// - it has no client (was just opened to check profile) OR
		// - none of its supported devices are connected anymore OR
		// - one of its clients cannot be routed to one of its supported
		// devices anymore. Otherwise update device selection
		std::vector<audio_io_handle_t> inputsToClose;
		for (size_t i = 0; i < mInputs.size(); i++) {
		const sp<AudioInputDescriptor> input = mInputs.valueAt(i);
		if (input->clientsList().size() == 0
		\|\| !mAvailableInputDevices.containsAtLeastOne(input->supportedDevices())) {
		inputsToClose.push_back(mInputs.keyAt(i));
		} else {
		bool close = false;
		for (const auto& client : input->clientsList()) {
		sp<DeviceDescriptor> device =
		mEngine->getInputDeviceForAttributes(client->attributes());
		if (!input->supportedDevices().contains(device)) {
		close = true;
		break;
		}
		}
		if (close) {
		inputsToClose.push_back(mInputs.keyAt(i));
		} else {
		setInputDevice(input->mIoHandle, getNewInputDevice(input));
		}
		}
		}

		for (const audio_io_handle_t handle : inputsToClose) {
		ALOGV("%s closing input %d", __func__, handle);
		closeInput(handle);
		}
		}

		@@ -4684,8 +4717,7 @@ status_t AudioPolicyManager::checkOutputsForDevice(const sp<DeviceDescriptor>& d
		}

		status_t AudioPolicyManager::checkInputsForDevice(const sp<DeviceDescriptor>& device,
		audio_policy_dev_state_t state,
		SortedVector<audio_io_handle_t>& inputs)
		audio_policy_dev_state_t state)
		{
		sp<AudioInputDescriptor> desc;

		@@ -4695,16 +4727,7 @@ status_t AudioPolicyManager::checkInputsForDevice(const sp<DeviceDescriptor>& de
		}

		if (state == AUDIO_POLICY_DEVICE_STATE_AVAILABLE) {
		// first list already open inputs that can be routed to this device
		for (size_t input_index = 0; input_index < mInputs.size(); input_index++) {
		desc = mInputs.valueAt(input_index);
		if (desc->mProfile->supportsDeviceTypes(device->type())) {
		ALOGV("checkInputsForDevice(): adding opened input %d", mInputs.keyAt(input_index));
		inputs.add(mInputs.keyAt(input_index));
		}
		}

		// then look for input profiles that can be routed to this device
		// look for input profiles that can be routed to this device
		SortedVector< sp<IOProfile> > profiles;
		for (const auto& hwModule : mHwModules) {
		for (size_t profile_index = 0;
		@@ -4720,8 +4743,9 @@ status_t AudioPolicyManager::checkInputsForDevice(const sp<DeviceDescriptor>& de
		}
		}

		if (profiles.isEmpty() && inputs.isEmpty()) {
		ALOGW("%s: No input available for device %s", __func__, device->toString().c_str());
		if (profiles.isEmpty()) {
		ALOGW("%s: No input profile available for device %s",
		__func__, device->toString().c_str());
		return BAD_VALUE;
		}

		@@ -4774,7 +4798,7 @@ status_t AudioPolicyManager::checkInputsForDevice(const sp<DeviceDescriptor>& de
		input = AUDIO_IO_HANDLE_NONE;
		}

		if (input != 0) {
		if (input != AUDIO_IO_HANDLE_NONE) {
		addInput(input, desc);
		}
		} // endif input != 0
		@@ -4785,7 +4809,6 @@ status_t AudioPolicyManager::checkInputsForDevice(const sp<DeviceDescriptor>& de
		profiles.removeAt(profile_index);
		profile_index--;
		} else {
		inputs.add(input);
		if (audio_device_is_digital(device->type())) {
		device->importAudioPort(profile);
		}
		@@ -4799,15 +4822,6 @@ status_t AudioPolicyManager::checkInputsForDevice(const sp<DeviceDescriptor>& de
		}
		} else {
		// Disconnect
		// check if one opened input is not needed any more after disconnecting one device
		for (size_t input_index = 0; input_index < mInputs.size(); input_index++) {
		desc = mInputs.valueAt(input_index);
		if (!mAvailableInputDevices.containsAtLeastOne(desc->supportedDevices())) {
		ALOGV("checkInputsForDevice(): disconnecting adding input %d",
		mInputs.keyAt(input_index));
		inputs.add(mInputs.keyAt(input_index));
		}
		}
		// Clear any profiles associated with the disconnected device.
		for (const auto& hwModule : mHwModules) {
		for (size_t profile_index = 0;

services/audiopolicy/managerdefault/AudioPolicyManager.h

+2 −3

Original line number	Diff line number	Diff line
		@@ -142,7 +142,7 @@ public:
		// indicates to the audio policy manager that the input stops being used.
		virtual status_t stopInput(audio_port_handle_t portId);
		virtual void releaseInput(audio_port_handle_t portId);
		virtual void closeAllInputs();
		virtual void checkCloseInputs();
		/**
		* @brief initStreamVolume: even if the engine volume files provides min and max, keep this
		* api for compatibility reason.
		@@ -486,8 +486,7 @@ protected:
		SortedVector<audio_io_handle_t>& outputs);

		status_t checkInputsForDevice(const sp<DeviceDescriptor>& device,
		audio_policy_dev_state_t state,
		SortedVector<audio_io_handle_t>& inputs);
		audio_policy_dev_state_t state);

		// close an output and its companion duplicating output.
		void closeOutput(audio_io_handle_t output);