Merge "Revert "Revert "Bypass audio focus handling for VDM""" (020ba505) · Commits · e / os / android_frameworks_base

media/java/android/media/AudioManager.java

+32 −11

Original line number	Diff line number	Diff line
		@@ -106,6 +106,7 @@ public class AudioManager {

		private Context mOriginalContext;
		private Context mApplicationContext;
		private int mOriginalContextDeviceId = DEVICE_ID_DEFAULT;
		private @Nullable VirtualDeviceManager mVirtualDeviceManager; // Lazy initialized.
		private static final String TAG = "AudioManager";
		private static final boolean DEBUG = false;
		@@ -844,6 +845,7 @@ public class AudioManager {
		}

		private void setContext(Context context) {
		mOriginalContextDeviceId = context.getDeviceId();
		mApplicationContext = context.getApplicationContext();
		if (mApplicationContext != null) {
		mOriginalContext = null;
		@@ -3958,7 +3960,7 @@ public class AudioManager {
		}

		/**
		* Checks whether this {@link AudioManager} instance is asociated with {@link VirtualDevice}
		* Checks whether this {@link AudioManager} instance is associated with {@link VirtualDevice}
		* configured with custom device policy for audio. If there is such device, request to play
		* sound effect is forwarded to {@link VirtualDeviceManager}.
		*
		@@ -3967,18 +3969,24 @@ public class AudioManager {
		* false otherwise.
		*/
		private boolean delegateSoundEffectToVdm(@SystemSoundEffect int effectType) {
		int deviceId = getContext().getDeviceId();
		if (deviceId != DEVICE_ID_DEFAULT) {
		if (hasCustomPolicyVirtualDeviceContext()) {
		VirtualDeviceManager vdm = getVirtualDeviceManager();
		if (vdm != null && vdm.getDevicePolicy(deviceId, POLICY_TYPE_AUDIO)
		!= DEVICE_POLICY_DEFAULT) {
		vdm.playSoundEffect(deviceId, effectType);
		vdm.playSoundEffect(mOriginalContextDeviceId, effectType);
		return true;
		}
		return false;
		}

		private boolean hasCustomPolicyVirtualDeviceContext() {
		if (mOriginalContextDeviceId == DEVICE_ID_DEFAULT) {
		return false;
		}

		VirtualDeviceManager vdm = getVirtualDeviceManager();
		return vdm != null && vdm.getDevicePolicy(mOriginalContextDeviceId, POLICY_TYPE_AUDIO)
		!= DEVICE_POLICY_DEFAULT;
		}

		/**
		* Load Sound effects.
		* This method must be called when sound effects are enabled.
		@@ -4677,6 +4685,16 @@ public class AudioManager {
		throw new IllegalArgumentException(
		"Illegal null audio policy when locking audio focus");
		}

		if (hasCustomPolicyVirtualDeviceContext()) {
		// If the focus request was made within context associated with VirtualDevice
		// configured with custom device policy for audio, bypass audio service focus handling.
		// The custom device policy for audio means that audio associated with this device
		// is likely rerouted to VirtualAudioDevice and playback on the VirtualAudioDevice
		// shouldn't affect non-virtual audio tracks (and vice versa).
		return AUDIOFOCUS_REQUEST_GRANTED;
		}

		registerAudioFocusRequest(afr);
		final IAudioService service = getService();
		final int status;
		@@ -4949,16 +4967,19 @@ public class AudioManager {
		@SuppressLint("RequiresPermission") // no permission enforcement, but only "undoes" what would
		// have been done by a matching requestAudioFocus
		public int abandonAudioFocus(OnAudioFocusChangeListener l, AudioAttributes aa) {
		int status = AUDIOFOCUS_REQUEST_FAILED;
		if (hasCustomPolicyVirtualDeviceContext()) {
		// If this AudioManager instance is running within VirtualDevice context configured
		// with custom device policy for audio, the audio focus handling is bypassed.
		return AUDIOFOCUS_REQUEST_GRANTED;
		}
		unregisterAudioFocusRequest(l);
		final IAudioService service = getService();
		try {
		status = service.abandonAudioFocus(mAudioFocusDispatcher,
		return service.abandonAudioFocus(mAudioFocusDispatcher,
		getIdForAudioFocusListener(l), aa, getContext().getOpPackageName());
		} catch (RemoteException e) {
		throw e.rethrowFromSystemServer();
		}
		return status;
		}

		//====================================================================