Merge "Allow subsequent requests for media keys to replay the silent audio sample" (d1f66c6d) · Commits · e / os / android_packages_modules_Bluetooth

android/app/src/com/android/bluetooth/a2dpsink/A2dpSinkStreamHandler.java

+24 −23

Original line number	Diff line number	Diff line
		@@ -249,9 +249,6 @@ public class A2dpSinkStreamHandler extends Handler {
		if (mAudioFocus != AudioManager.AUDIOFOCUS_GAIN) {
		requestAudioFocus();
		}
		// On the off change mMediaPlayer errors out and dies, we want to make sure we retry this.
		// This function immediately exits if we have a MediaPlayer object.
		requestMediaKeyFocus();
		}

		private synchronized int requestAudioFocus() {
		@@ -278,8 +275,11 @@ public class A2dpSinkStreamHandler extends Handler {
		}

		/**
		* Creates a MediaPlayer that plays a silent audio sample so that MediaSessionService will be
		* aware of the fact that Bluetooth is playing audio.
		* Plays a silent audio sample so that MediaSessionService will be aware of the fact that
		* Bluetooth is playing audio.
		*
		* Creates a new MediaPlayer if one does not already exist. Repeat calls to this function are
		* safe and will result in the silent audio sample again.
		*
		* This allows the MediaSession in AVRCP Controller to be routed media key events, if we've
		* chosen to use it.
		@@ -287,8 +287,7 @@ public class A2dpSinkStreamHandler extends Handler {
		private synchronized void requestMediaKeyFocus() {
		if (DBG) Log.d(TAG, "requestMediaKeyFocus()");

		if (mMediaPlayer != null) return;

		if (mMediaPlayer == null) {
		AudioAttributes attrs = new AudioAttributes.Builder()
		.setUsage(AudioAttributes.USAGE_MEDIA)
		.build();
		@@ -306,6 +305,7 @@ public class A2dpSinkStreamHandler extends Handler {
		releaseMediaKeyFocus();
		return false;
		});
		}

		mMediaPlayer.start();
		BluetoothMediaBrowserService.setActive(true);
		@@ -314,7 +314,6 @@ public class A2dpSinkStreamHandler extends Handler {
		private synchronized void abandonAudioFocus() {
		if (DBG) Log.d(TAG, "abandonAudioFocus()");
		stopFluorideStreaming();
		releaseMediaKeyFocus();
		mAudioManager.abandonAudioFocus(mAudioFocusListener);
		mAudioFocus = AudioManager.AUDIOFOCUS_NONE;
		}
		@@ -337,9 +336,11 @@ public class A2dpSinkStreamHandler extends Handler {
		private void startFluorideStreaming() {
		mA2dpSinkService.informAudioFocusStateNative(STATE_FOCUS_GRANTED);
		mA2dpSinkService.informAudioTrackGainNative(1.0f);
		requestMediaKeyFocus();
		}

		private void stopFluorideStreaming() {
		releaseMediaKeyFocus();
		mA2dpSinkService.informAudioFocusStateNative(STATE_FOCUS_LOST);
		}