Add support for controlling remote submix audio routing (2ac2afea) · Commits · e / os / android_frameworks_base

media/java/android/media/AudioManager.java

+14 −1

Original line number	Diff line number	Diff line
		@@ -1164,7 +1164,7 @@ public class AudioManager {
		/**
		* Indicates if current platform supports use of SCO for off call use cases.
		* Application wanted to use bluetooth SCO audio when the phone is not in call
		* must first call thsi method to make sure that the platform supports this
		* must first call this method to make sure that the platform supports this
		* feature.
		* @return true if bluetooth SCO can be used for audio when not in call
		* false otherwise
		@@ -1299,6 +1299,19 @@ public class AudioManager {
		}
		}

		/**
		* @hide
		* Signals whether remote submix audio rerouting is enabled.
		*/
		public void setRemoteSubmixOn(boolean on, int address) {
		IAudioService service = getService();
		try {
		service.setRemoteSubmixOn(on, address);
		} catch (RemoteException e) {
		Log.e(TAG, "Dead object in setRemoteSubmixOn", e);
		}
		}

		/**
		* Sets audio routing to the wired headset on or off.
		*

media/java/android/media/AudioService.java

+34 −0

Original line number	Diff line number	Diff line
		@@ -151,6 +151,8 @@ public class AudioService extends IAudioService.Stub implements OnFinished {
		private static final int MSG_SET_WIRED_DEVICE_CONNECTION_STATE = 21;
		private static final int MSG_SET_A2DP_CONNECTION_STATE = 22;
		// end of messages handled under wakelock
		private static final int MSG_SET_RSX_CONNECTION_STATE = 23; // change remote submix connection
		private static final int MSG_SET_FORCE_RSX_USE = 24; // force remote submix audio routing

		// flags for MSG_PERSIST_VOLUME indicating if current and/or last audible volume should be
		// persisted
		@@ -2109,6 +2111,33 @@ public class AudioService extends IAudioService.Stub implements OnFinished {
		}
		};

		/** see AudioManager.setRemoteSubmixOn(boolean on) */
		public void setRemoteSubmixOn(boolean on, int address) {
		sendMsg(mAudioHandler, MSG_SET_RSX_CONNECTION_STATE,
		SENDMSG_REPLACE /* replace with QUEUE when multiple addresses are supported */,
		on ? 1 : 0 /arg1/,
		address /arg2/,
		null/obj/, 0/delay/);

		// Note that we are currently forcing use of remote submix as soon as corresponding device
		// is made available
		sendMsg(mAudioHandler, MSG_SET_FORCE_RSX_USE, SENDMSG_REPLACE,
		AudioSystem.FOR_MEDIA,
		on ? AudioSystem.FORCE_REMOTE_SUBMIX : AudioSystem.FORCE_NONE,
		null/obj/, 0/delay/);
		}

		private void onSetRsxConnectionState(int available, int address) {
		AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_IN_REMOTE_SUBMIX,
		available == 1 ?
		AudioSystem.DEVICE_STATE_AVAILABLE : AudioSystem.DEVICE_STATE_UNAVAILABLE,
		String.valueOf(address) /device_address/);
		AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_REMOTE_SUBMIX,
		available == 1 ?
		AudioSystem.DEVICE_STATE_AVAILABLE : AudioSystem.DEVICE_STATE_UNAVAILABLE,
		String.valueOf(address) /device_address/);
		}

		///////////////////////////////////////////////////////////////////////////
		// Internal methods
		///////////////////////////////////////////////////////////////////////////
		@@ -3072,6 +3101,7 @@ public class AudioService extends IAudioService.Stub implements OnFinished {

		case MSG_SET_FORCE_USE:
		case MSG_SET_FORCE_BT_A2DP_USE:
		case MSG_SET_FORCE_RSX_USE:
		setForceUse(msg.arg1, msg.arg2);
		break;

		@@ -3134,6 +3164,10 @@ public class AudioService extends IAudioService.Stub implements OnFinished {
		onRegisterVolumeObserverForRcc(msg.arg1 /* rccId */,
		(IRemoteVolumeObserver)msg.obj /* rvo */);
		break;

		case MSG_SET_RSX_CONNECTION_STATE:
		onSetRsxConnectionState(msg.arg1/available/, msg.arg2/address/);
		break;
		}
		}
		}

media/java/android/media/AudioSystem.java

+3 −1

Original line number	Diff line number	Diff line
		@@ -214,6 +214,7 @@ public class AudioSystem
		public static final int DEVICE_OUT_REMOTE_SUBMIX = 0x8000;

		public static final int DEVICE_OUT_DEFAULT = DEVICE_BIT_DEFAULT;

		public static final int DEVICE_OUT_ALL = (DEVICE_OUT_EARPIECE \|
		DEVICE_OUT_SPEAKER \|
		DEVICE_OUT_WIRED_HEADSET \|
		@@ -352,7 +353,8 @@ public class AudioSystem
		public static final int FORCE_ANALOG_DOCK = 8;
		public static final int FORCE_DIGITAL_DOCK = 9;
		public static final int FORCE_NO_BT_A2DP = 10;
		private static final int NUM_FORCE_CONFIG = 11;
		public static final int FORCE_REMOTE_SUBMIX = 11;
		private static final int NUM_FORCE_CONFIG = 12;
		public static final int FORCE_DEFAULT = FORCE_NONE;

		// usage for setForceUse, must match AudioSystem::force_use

media/java/android/media/IAudioService.aidl

+2 −0

Original line number	Diff line number	Diff line
		@@ -108,6 +108,8 @@ interface IAudioService {

		boolean isBluetoothA2dpOn();

		oneway void setRemoteSubmixOn(boolean on, int address);

		int requestAudioFocus(int mainStreamType, int durationHint, IBinder cb, IAudioFocusDispatcher l,
		String clientId, String callingPackageName);

media/java/android/media/MediaRecorder.java

+12 −1

Original line number	Diff line number	Diff line
		@@ -177,6 +177,12 @@ public class MediaRecorder
		* is applied.
		*/
		public static final int VOICE_COMMUNICATION = 7;

		/**
		* @hide
		* Audio source for remote submix.
		*/
		public static final int REMOTE_SUBMIX_SOURCE = 8;
		}

		/**
		@@ -291,7 +297,12 @@ public class MediaRecorder
		* Gets the maximum value for audio sources.
		* @see android.media.MediaRecorder.AudioSource
		*/
		public static final int getAudioSourceMax() { return AudioSource.VOICE_COMMUNICATION; }
		public static final int getAudioSourceMax() {
		// FIXME disable selection of the remote submxi source selection once test code
		// doesn't rely on it
		return AudioSource.REMOTE_SUBMIX_SOURCE;
		//return AudioSource.VOICE_COMMUNICATION;
		}

		/**
		* Sets the video source to be used for recording. If this method is not