am ce4483cb: [FM] Add FM_TUNER audio source to support L version FM radio app (1e62e476) · Commits · e / os / android_frameworks_base

media/java/android/media/AudioAttributes.java

+4 −3

Original line number	Diff line number	Diff line
		@@ -518,14 +518,15 @@ public final class AudioAttributes implements Parcelable {

		/**
		* @hide
		* Same as {@link #setCapturePreset(int)} but authorizes the use of HOTWORD and
		* REMOTE_SUBMIX.
		* Same as {@link #setCapturePreset(int)} but authorizes the use of HOTWORD,
		* REMOTE_SUBMIX and FM_TUNER.
		* @param preset
		* @return the same Builder instance.
		*/
		public Builder setInternalCapturePreset(int preset) {
		if ((preset == MediaRecorder.AudioSource.HOTWORD)
		\|\| (preset == MediaRecorder.AudioSource.REMOTE_SUBMIX)) {
		\|\| (preset == MediaRecorder.AudioSource.REMOTE_SUBMIX)
		\|\| (preset == MediaRecorder.AudioSource.FM_TUNER)) {
		mSource = preset;
		} else {
		setCapturePreset(preset);

+1 −0

Original line number	Diff line number	Diff line
		@@ -351,6 +351,7 @@ public class AudioRecord
		// audio source
		if ( (audioSource < MediaRecorder.AudioSource.DEFAULT) \|\|
		((audioSource > MediaRecorder.getAudioSourceMax()) &&
		(audioSource != MediaRecorder.AudioSource.FM_TUNER) &&
		(audioSource != MediaRecorder.AudioSource.HOTWORD)) ) {
		throw new IllegalArgumentException("Invalid audio source.");
		}

+8 −0

Original line number	Diff line number	Diff line
		@@ -221,6 +221,14 @@ public class MediaRecorder
		*/
		public static final int REMOTE_SUBMIX = 8;

		/**
		* Audio source for FM, which is used to capture current FM tuner output by FMRadio app.
		* There are two use cases, one is for record FM stream for later listening, another is
		* for FM indirect mode(the routing except FM to headset(headphone) device routing).
		* @hide
		*/
		public static final int FM_TUNER = 1998;

		/**
		* Audio source for preemptible, low-priority software hotword detection
		* It presents the same gain and pre processing tuning as {@link #VOICE_RECOGNITION}.