Merge "audio polcy: fix explicit device routing in call" into pi-dev (944c05e8) · Commits · e / os / android_frameworks_av

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

+3 −1

Original line number	Diff line number	Diff line
		@@ -24,6 +24,7 @@
		namespace android {

		class DeviceDescriptor;
		class DeviceVector;

		class SessionRoute : public RefBase
		{
		@@ -98,7 +99,8 @@ public:
		int decRouteActivity(audio_session_t session);
		bool getAndClearRouteChanged(audio_session_t session); // also clears the changed flag
		void log(const char* caption);

		audio_devices_t getActiveDeviceForStream(audio_stream_type_t streamType,
		const DeviceVector& availableDevices);
		// Specify an Output(Sink) route by passing SessionRoute::SOURCE_TYPE_NA in the
		// source argument.
		// Specify an Input(Source) rout by passing SessionRoute::AUDIO_STREAM_DEFAULT

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

+19 −1

Original line number	Diff line number	Diff line
		@@ -119,4 +119,22 @@ void SessionRouteMap::addRoute(audio_session_t session,
		}
		}

		audio_devices_t SessionRouteMap::getActiveDeviceForStream(audio_stream_type_t streamType,
		const DeviceVector& availableDevices)
		{
		audio_devices_t device = AUDIO_DEVICE_NONE;

		for (size_t index = 0; index < size(); index++) {
		sp<SessionRoute> route = valueAt(index);
		if (streamType == route->mStreamType && route->isActiveOrChanged()
		&& route->mDeviceDescriptor != 0) {
		device = route->mDeviceDescriptor->type();
		if (!availableDevices.getDevicesFromType(device).isEmpty()) {
		break;
		}
		}
		}
		return device;
		}

		} // namespace android

services/audiopolicy/managerdefault/AudioPolicyManager.cpp

+28 −14

Original line number	Diff line number	Diff line
		@@ -1157,7 +1157,9 @@ status_t AudioPolicyManager::startOutput(audio_io_handle_t output,
		}
		} else if (mOutputRoutes.getAndClearRouteChanged(session)) {
		newDevice = getNewOutputDevice(outputDesc, false /fromCache/);
		if (newDevice != outputDesc->device()) {
		checkStrategyRoute(getStrategy(stream), output);
		}
		} else {
		newDevice = AUDIO_DEVICE_NONE;
		}
		@@ -1408,6 +1410,7 @@ status_t AudioPolicyManager::stopSource(const sp<AudioOutputDescriptor>& outputD
		(newDevice != desc->device())) {
		audio_devices_t newDevice2 = getNewOutputDevice(desc, false /fromCache/);
		bool force = desc->device() != newDevice2;

		setOutputDevice(desc,
		newDevice2,
		force,
		@@ -4836,6 +4839,20 @@ audio_devices_t AudioPolicyManager::getNewOutputDevice(const sp<AudioOutputDescr
		}
		}

		// Check if an explicit routing request exists for an active stream on this output and
		// use it in priority before any other rule
		for (int stream = 0; stream < AUDIO_STREAM_FOR_POLICY_CNT; stream++) {
		if (outputDesc->isStreamActive((audio_stream_type_t)stream)) {
		audio_devices_t forcedDevice =
		mOutputRoutes.getActiveDeviceForStream(
		(audio_stream_type_t)stream, mAvailableOutputDevices);

		if (forcedDevice != AUDIO_DEVICE_NONE) {
		return forcedDevice;
		}
		}
		}

		// check the following by order of priority to request a routing change if necessary:
		// 1: the strategy enforced audible is active and enforced on the output:
		// use device for strategy enforced audible
		@@ -5043,19 +5060,16 @@ uint32_t AudioPolicyManager::setBeaconMute(bool mute) {
		audio_devices_t AudioPolicyManager::getDeviceForStrategy(routing_strategy strategy,
		bool fromCache)
		{
		// Routing
		// see if we have an explicit route
		// scan the whole RouteMap, for each entry, convert the stream type to a strategy
		// (getStrategy(stream)).
		// if the strategy from the stream type in the RouteMap is the same as the argument above,
		// and activity count is non-zero and the device in the route descriptor is available
		// then select this device.
		for (size_t routeIndex = 0; routeIndex < mOutputRoutes.size(); routeIndex++) {
		sp<SessionRoute> route = mOutputRoutes.valueAt(routeIndex);
		routing_strategy routeStrategy = getStrategy(route->mStreamType);
		if ((routeStrategy == strategy) && route->isActiveOrChanged() &&
		(mAvailableOutputDevices.indexOf(route->mDeviceDescriptor) >= 0)) {
		return route->mDeviceDescriptor->type();
		// Check if an explicit routing request exists for a stream type corresponding to the
		// specified strategy and use it in priority over default routing rules.
		for (int stream = 0; stream < AUDIO_STREAM_FOR_POLICY_CNT; stream++) {
		if (getStrategy((audio_stream_type_t)stream) == strategy) {
		audio_devices_t forcedDevice =
		mOutputRoutes.getActiveDeviceForStream(
		(audio_stream_type_t)stream, mAvailableOutputDevices);
		if (forcedDevice != AUDIO_DEVICE_NONE) {
		return forcedDevice;
		}
		}
		}