Unhide AudioTrack constructor with AudioAttributes, AudioFormat (7f6ee760) · Commits · e / os / android_frameworks_base

api/current.txt

+12 −0

Original line number	Diff line number	Diff line
		@@ -14079,6 +14079,8 @@ package android.media {
		field public static final int CHANNEL_OUT_LOW_FREQUENCY = 32; // 0x20
		field public static final int CHANNEL_OUT_MONO = 4; // 0x4
		field public static final int CHANNEL_OUT_QUAD = 204; // 0xcc
		field public static final int CHANNEL_OUT_SIDE_LEFT = 2048; // 0x800
		field public static final int CHANNEL_OUT_SIDE_RIGHT = 4096; // 0x1000
		field public static final int CHANNEL_OUT_STEREO = 12; // 0xc
		field public static final int CHANNEL_OUT_SURROUND = 1052; // 0x41c
		field public static final int ENCODING_AC3 = 5; // 0x5
		@@ -14090,6 +14092,15 @@ package android.media {
		field public static final int ENCODING_PCM_FLOAT = 4; // 0x4
		}

		public static class AudioFormat.Builder {
		ctor public AudioFormat.Builder();
		ctor public AudioFormat.Builder(android.media.AudioFormat);
		method public android.media.AudioFormat build();
		method public android.media.AudioFormat.Builder setChannelMask(int);
		method public android.media.AudioFormat.Builder setEncoding(int) throws java.lang.IllegalArgumentException;
		method public android.media.AudioFormat.Builder setSampleRate(int) throws java.lang.IllegalArgumentException;
		}

		public class AudioManager {
		method public int abandonAudioFocus(android.media.AudioManager.OnAudioFocusChangeListener);
		method public void adjustStreamVolume(int, int, int);
		@@ -14272,6 +14283,7 @@ package android.media {
		public class AudioTrack {
		ctor public AudioTrack(int, int, int, int, int, int) throws java.lang.IllegalArgumentException;
		ctor public AudioTrack(int, int, int, int, int, int, int) throws java.lang.IllegalArgumentException;
		ctor public AudioTrack(android.media.AudioAttributes, android.media.AudioFormat, int, int, int) throws java.lang.IllegalArgumentException;
		method public int attachAuxEffect(int);
		method public void flush();
		method public int getAudioFormat();

media/java/android/media/AudioFormat.java

+1 −4

Original line number	Diff line number	Diff line
		@@ -78,9 +78,7 @@ public class AudioFormat {
		public static final int CHANNEL_OUT_FRONT_LEFT_OF_CENTER = 0x100;
		public static final int CHANNEL_OUT_FRONT_RIGHT_OF_CENTER = 0x200;
		public static final int CHANNEL_OUT_BACK_CENTER = 0x400;
		/** @hide CANDIDATE FOR PUBLIC API */
		public static final int CHANNEL_OUT_SIDE_LEFT = 0x800;
		/** @hide CANDIDATE FOR PUBLIC API */
		public static final int CHANNEL_OUT_SIDE_RIGHT = 0x1000;
		/** @hide */
		public static final int CHANNEL_OUT_TOP_CENTER = 0x2000;
		@@ -277,7 +275,6 @@ public class AudioFormat {
		}

		/**
		* @hide CANDIDATE FOR PUBLIC API
		* Builder class for {@link AudioFormat} objects.
		*/
		public static class Builder {
		@@ -287,7 +284,7 @@ public class AudioFormat {
		private int mPropertySetMask = AUDIO_FORMAT_HAS_PROPERTY_NONE;

		/**
		* Constructs a new Builder with the defaults.
		* Constructs a new Builder with the defaults format values.
		*/
		public Builder() {
		}

media/java/android/media/AudioTrack.java

+22 −8

Original line number	Diff line number	Diff line
		@@ -366,20 +366,34 @@ public class AudioTrack
		}

		/**
		* @hide
		* CANDIDATE FOR PUBLIC API
		* Constructor with AudioAttributes and AudioFormat
		* @param aa
		* @param format
		* @param bufferSizeInBytes
		* @param mode
		* @param sessionId
		* Class constructor with {@link AudioAttributes} and {@link AudioFormat}.
		* @param attributes a non-null {@link AudioAttributes} instance.
		* @param format a non-null {@link AudioFormat} instance describing the format of the data
		* that will be played through this AudioTrack. See {@link AudioFormat.Builder} for
		* configuring the audio format parameters such as encoding, channel mask and sample rate.
		* @param bufferSizeInBytes the total size (in bytes) of the buffer where audio data is read
		* from for playback. If using the AudioTrack in streaming mode, you can write data into
		* this buffer in smaller chunks than this size. If using the AudioTrack in static mode,
		* this is the maximum size of the sound that will be played for this instance.
		* See {@link #getMinBufferSize(int, int, int)} to determine the minimum required buffer size
		* for the successful creation of an AudioTrack instance in streaming mode. Using values
		* smaller than getMinBufferSize() will result in an initialization failure.
		* @param mode streaming or static buffer. See {@link #MODE_STATIC} and {@link #MODE_STREAM}.
		* @param sessionId ID of audio session the AudioTrack must be attached to.
		* @throws IllegalArgumentException
		*/
		public AudioTrack(AudioAttributes attributes, AudioFormat format, int bufferSizeInBytes,
		int mode, int sessionId)
		throws IllegalArgumentException {
		// mState already == STATE_UNINITIALIZED

		if (attributes == null) {
		throw new IllegalArgumentException("Illegal null AudioAttributes");
		}
		if (format == null) {
		throw new IllegalArgumentException("Illegal null AudioFormat");
		}

		// remember which looper is associated with the AudioTrack instantiation
		Looper looper;
		if ((looper = Looper.myLooper()) == null) {