Merge "Add AudioAttributes to stream type conversion" into lmp-dev (3d63a9c7) · Commits · e / os / android_frameworks_base

media/java/android/media/AudioAttributes.java

+39 −0

Original line number	Diff line number	Diff line
		@@ -524,6 +524,45 @@ public final class AudioAttributes implements Parcelable {
		}
		}

		/** @hide */
		public static int toLegacyStreamType(AudioAttributes aa) {
		// flags to stream type mapping
		if ((aa.getFlags() & FLAG_AUDIBILITY_ENFORCED) == FLAG_AUDIBILITY_ENFORCED) {
		return AudioSystem.STREAM_SYSTEM_ENFORCED;
		}
		if ((aa.getFlags() & FLAG_SCO) == FLAG_SCO) {
		return AudioSystem.STREAM_BLUETOOTH_SCO;
		}

		// usage to stream type mapping
		switch (aa.getUsage()) {
		case USAGE_MEDIA:
		case USAGE_GAME:
		case USAGE_ASSISTANCE_ACCESSIBILITY:
		case USAGE_ASSISTANCE_NAVIGATION_GUIDANCE:
		return AudioSystem.STREAM_MUSIC;
		case USAGE_ASSISTANCE_SONIFICATION:
		return AudioSystem.STREAM_SYSTEM;
		case USAGE_VOICE_COMMUNICATION:
		return AudioSystem.STREAM_VOICE_CALL;
		case USAGE_VOICE_COMMUNICATION_SIGNALLING:
		return AudioSystem.STREAM_DTMF;
		case USAGE_ALARM:
		return AudioSystem.STREAM_ALARM;
		case USAGE_NOTIFICATION_TELEPHONY_RINGTONE:
		return AudioSystem.STREAM_RING;
		case USAGE_NOTIFICATION:
		case USAGE_NOTIFICATION_COMMUNICATION_REQUEST:
		case USAGE_NOTIFICATION_COMMUNICATION_INSTANT:
		case USAGE_NOTIFICATION_COMMUNICATION_DELAYED:
		case USAGE_NOTIFICATION_EVENT:
		return AudioSystem.STREAM_NOTIFICATION;
		case USAGE_UNKNOWN:
		default:
		return AudioSystem.STREAM_MUSIC;
		}
		}

		/** @hide */
		@IntDef({
		USAGE_UNKNOWN,