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-rw-r--r--media/java/android/media/AudioFormat.java53
-rw-r--r--media/java/android/media/AudioManager.java24
-rw-r--r--media/java/android/media/AudioService.java34
-rw-r--r--media/java/android/media/AudioTrack.java44
-rw-r--r--media/java/android/media/IAudioService.aidl8
-rw-r--r--media/java/android/media/session/MediaController.java24
6 files changed, 85 insertions, 102 deletions
diff --git a/media/java/android/media/AudioFormat.java b/media/java/android/media/AudioFormat.java
index e05aef0..bd2be1b 100644
--- a/media/java/android/media/AudioFormat.java
+++ b/media/java/android/media/AudioFormat.java
@@ -25,10 +25,10 @@ import java.lang.annotation.RetentionPolicy;
* The AudioFormat class is used to access a number of audio format and
* channel configuration constants. They are for instance used
* in {@link AudioTrack} and {@link AudioRecord}.
- *
+ *
*/
public class AudioFormat {
-
+
//---------------------------------------------------------
// Constants
//--------------------
@@ -44,6 +44,10 @@ public class AudioFormat {
public static final int ENCODING_PCM_8BIT = 3;
/** Audio data format: single-precision floating-point per sample */
public static final int ENCODING_PCM_FLOAT = 4;
+ /** Audio data format: AC-3 compressed */
+ public static final int ENCODING_AC3 = 5;
+ /** Audio data format: E-AC-3 compressed */
+ public static final int ENCODING_E_AC3 = 6;
/** Invalid audio channel configuration */
/** @deprecated use CHANNEL_INVALID instead */
@@ -152,11 +156,44 @@ public class AudioFormat {
switch (audioFormat) {
case ENCODING_PCM_8BIT:
return 1;
+ case ENCODING_PCM_16BIT:
+ case ENCODING_DEFAULT:
+ return 2;
case ENCODING_PCM_FLOAT:
return 4;
+ case ENCODING_INVALID:
+ default:
+ throw new IllegalArgumentException("Bad audio format " + audioFormat);
+ }
+ }
+
+ /** @hide */
+ public static boolean isValidEncoding(int audioFormat)
+ {
+ switch (audioFormat) {
+ case ENCODING_PCM_8BIT:
case ENCODING_PCM_16BIT:
+ case ENCODING_PCM_FLOAT:
+ case ENCODING_AC3:
+ case ENCODING_E_AC3:
+ return true;
+ default:
+ return false;
+ }
+ }
+
+ /** @hide */
+ public static boolean isEncodingLinearPcm(int audioFormat)
+ {
+ switch (audioFormat) {
+ case ENCODING_PCM_8BIT:
+ case ENCODING_PCM_16BIT:
+ case ENCODING_PCM_FLOAT:
case ENCODING_DEFAULT:
- return 2;
+ return true;
+ case ENCODING_AC3:
+ case ENCODING_E_AC3:
+ return false;
case ENCODING_INVALID:
default:
throw new IllegalArgumentException("Bad audio format " + audioFormat);
@@ -236,7 +273,9 @@ public class AudioFormat {
* @param encoding one of {@link AudioFormat#ENCODING_DEFAULT},
* {@link AudioFormat#ENCODING_PCM_8BIT},
* {@link AudioFormat#ENCODING_PCM_16BIT},
- * {@link AudioFormat#ENCODING_PCM_FLOAT}.
+ * {@link AudioFormat#ENCODING_PCM_FLOAT},
+ * {@link AudioFormat#ENCODING_AC3},
+ * {@link AudioFormat#ENCODING_E_AC3}.
* @return the same Builder instance.
* @throws java.lang.IllegalArgumentException
*/
@@ -248,6 +287,8 @@ public class AudioFormat {
case ENCODING_PCM_8BIT:
case ENCODING_PCM_16BIT:
case ENCODING_PCM_FLOAT:
+ case ENCODING_AC3:
+ case ENCODING_E_AC3:
mEncoding = encoding;
break;
case ENCODING_INVALID:
@@ -311,7 +352,9 @@ public class AudioFormat {
ENCODING_DEFAULT,
ENCODING_PCM_8BIT,
ENCODING_PCM_16BIT,
- ENCODING_PCM_FLOAT
+ ENCODING_PCM_FLOAT,
+ ENCODING_AC3,
+ ENCODING_E_AC3
})
@Retention(RetentionPolicy.SOURCE)
public @interface Encoding {}
diff --git a/media/java/android/media/AudioManager.java b/media/java/android/media/AudioManager.java
index 3238498..d35225a 100644
--- a/media/java/android/media/AudioManager.java
+++ b/media/java/android/media/AudioManager.java
@@ -1616,26 +1616,6 @@ public class AudioManager {
}
/**
- * @hide
- * If the stream is active locally or remotely, adjust its volume according to the enforced
- * priority rules.
- * Note: only AudioManager.STREAM_MUSIC is supported at the moment
- */
- public void adjustLocalOrRemoteStreamVolume(int streamType, int direction) {
- if (streamType != STREAM_MUSIC) {
- Log.w(TAG, "adjustLocalOrRemoteStreamVolume() doesn't support stream " + streamType);
- }
- IAudioService service = getService();
- try {
- service.adjustLocalOrRemoteStreamVolume(streamType, direction,
- mContext.getOpPackageName());
- } catch (RemoteException e) {
- Log.e(TAG, "Dead object in adjustLocalOrRemoteStreamVolume", e);
- }
- }
-
-
- /**
* Return a new audio session identifier not associated with any player or effect.
* It can for instance be used to create one of the {@link android.media.audiofx.AudioEffect}
* objects.
@@ -2974,7 +2954,9 @@ public class AudioManager {
/** @hide
*/
public static final int ERROR_NO_INIT = AudioSystem.NO_INIT;
- /** @hide
+ /**
+ * An error code indicating that the object reporting it is no longer valid and needs to
+ * be recreated.
*/
public static final int ERROR_DEAD_OBJECT = AudioSystem.DEAD_OBJECT;
diff --git a/media/java/android/media/AudioService.java b/media/java/android/media/AudioService.java
index 72f4a58..48479a4 100644
--- a/media/java/android/media/AudioService.java
+++ b/media/java/android/media/AudioService.java
@@ -830,24 +830,6 @@ public class AudioService extends IAudioService.Stub {
}
/** @see AudioManager#adjustVolume(int, int) */
- public void adjustVolume(int direction, int flags, String callingPackage) {
- adjustSuggestedStreamVolume(direction, AudioManager.USE_DEFAULT_STREAM_TYPE, flags,
- callingPackage);
- }
-
- /** @see AudioManager#adjustLocalOrRemoteStreamVolume(int, int) with current assumption
- * on streamType: fixed to STREAM_MUSIC */
- public void adjustLocalOrRemoteStreamVolume(int streamType, int direction,
- String callingPackage) {
- if (DEBUG_VOL) Log.d(TAG, "adjustLocalOrRemoteStreamVolume(dir="+direction+")");
- if (AudioSystem.isStreamActive(AudioSystem.STREAM_MUSIC, 0)) {
- adjustStreamVolume(AudioSystem.STREAM_MUSIC, direction, 0, callingPackage);
- } else if (mMediaFocusControl.checkUpdateRemoteStateIfActive(AudioSystem.STREAM_MUSIC)) {
- mMediaFocusControl.adjustRemoteVolume(AudioSystem.STREAM_MUSIC, direction, 0);
- }
- }
-
- /** @see AudioManager#adjustVolume(int, int) */
public void adjustSuggestedStreamVolume(int direction, int suggestedStreamType, int flags,
String callingPackage) {
if (DEBUG_VOL) Log.d(TAG, "adjustSuggestedStreamVolume() stream="+suggestedStreamType);
@@ -4482,22 +4464,6 @@ public class AudioService extends IAudioService.Stub {
mMediaFocusControl.setPlaybackInfoForRcc(rccId, what, value);
}
- public void dispatchMediaKeyEvent(KeyEvent keyEvent) {
- if (DEBUG_SESSIONS) {
- int pid = getCallingPid();
- Log.w(TAG, "Call to dispatchMediaKeyEvent from " + pid);
- }
- MediaSessionLegacyHelper.getHelper(mContext).sendMediaButtonEvent(keyEvent, false);
- }
-
- public void dispatchMediaKeyEventUnderWakelock(KeyEvent keyEvent) {
- if (DEBUG_SESSIONS) {
- int pid = getCallingPid();
- Log.w(TAG, "Call to dispatchMediaKeyEventUnderWakelock from " + pid);
- }
- MediaSessionLegacyHelper.getHelper(mContext).sendMediaButtonEvent(keyEvent, true);
- }
-
//==========================================================================================
// Audio Focus
//==========================================================================================
diff --git a/media/java/android/media/AudioTrack.java b/media/java/android/media/AudioTrack.java
index cfd9c3b..3a72833 100644
--- a/media/java/android/media/AudioTrack.java
+++ b/media/java/android/media/AudioTrack.java
@@ -457,25 +457,19 @@ public class AudioTrack
//--------------
// audio format
- switch (audioFormat) {
- case AudioFormat.ENCODING_DEFAULT:
- mAudioFormat = AudioFormat.ENCODING_PCM_16BIT;
- break;
- case AudioFormat.ENCODING_PCM_16BIT:
- case AudioFormat.ENCODING_PCM_8BIT:
- case AudioFormat.ENCODING_PCM_FLOAT:
- mAudioFormat = audioFormat;
- break;
- default:
- throw new IllegalArgumentException("Unsupported sample encoding."
- + " Should be ENCODING_PCM_8BIT or ENCODING_PCM_16BIT"
- + " or ENCODING_PCM_FLOAT"
- + ".");
+ if (audioFormat == AudioFormat.ENCODING_DEFAULT) {
+ audioFormat = AudioFormat.ENCODING_PCM_16BIT;
+ }
+
+ if (!AudioFormat.isValidEncoding(audioFormat)) {
+ throw new IllegalArgumentException("Unsupported audio encoding.");
}
+ mAudioFormat = audioFormat;
//--------------
// audio load mode
- if ( (mode != MODE_STREAM) && (mode != MODE_STATIC) ) {
+ if (((mode != MODE_STREAM) && (mode != MODE_STATIC)) ||
+ ((mode != MODE_STREAM) && !AudioFormat.isEncodingLinearPcm(mAudioFormat))) {
throw new IllegalArgumentException("Invalid mode.");
}
mDataLoadMode = mode;
@@ -522,8 +516,13 @@ public class AudioTrack
private void audioBuffSizeCheck(int audioBufferSize) {
// NB: this section is only valid with PCM data.
// To update when supporting compressed formats
- int frameSizeInBytes = mChannelCount
- * (AudioFormat.getBytesPerSample(mAudioFormat));
+ int frameSizeInBytes;
+ if (AudioFormat.isEncodingLinearPcm(mAudioFormat)) {
+ frameSizeInBytes = mChannelCount
+ * (AudioFormat.getBytesPerSample(mAudioFormat));
+ } else {
+ frameSizeInBytes = 1;
+ }
if ((audioBufferSize % frameSizeInBytes != 0) || (audioBufferSize < 1)) {
throw new IllegalArgumentException("Invalid audio buffer size.");
}
@@ -757,9 +756,7 @@ public class AudioTrack
}
}
- if ((audioFormat != AudioFormat.ENCODING_PCM_16BIT)
- && (audioFormat != AudioFormat.ENCODING_PCM_8BIT)
- && (audioFormat != AudioFormat.ENCODING_PCM_FLOAT)) {
+ if (!AudioFormat.isValidEncoding(audioFormat)) {
loge("getMinBufferSize(): Invalid audio format.");
return ERROR_BAD_VALUE;
}
@@ -1164,7 +1161,9 @@ public class AudioTrack
* @param sizeInBytes the number of bytes to read in audioData after the offset.
* @return the number of bytes that were written or {@link #ERROR_INVALID_OPERATION}
* if the object wasn't properly initialized, or {@link #ERROR_BAD_VALUE} if
- * the parameters don't resolve to valid data and indexes.
+ * the parameters don't resolve to valid data and indexes, or
+ * {@link AudioManager#ERROR_DEAD_OBJECT} if the AudioTrack is not valid anymore and
+ * needs to be recreated.
*/
public int write(byte[] audioData, int offsetInBytes, int sizeInBytes) {
@@ -1213,7 +1212,7 @@ public class AudioTrack
public int write(short[] audioData, int offsetInShorts, int sizeInShorts) {
- if (mState == STATE_UNINITIALIZED || mAudioFormat == AudioFormat.ENCODING_PCM_FLOAT) {
+ if (mState == STATE_UNINITIALIZED || mAudioFormat != AudioFormat.ENCODING_PCM_16BIT) {
return ERROR_INVALID_OPERATION;
}
@@ -1473,7 +1472,6 @@ public class AudioTrack
void onPeriodicNotification(AudioTrack track);
}
-
//---------------------------------------------------------
// Inner classes
//--------------------
diff --git a/media/java/android/media/IAudioService.aidl b/media/java/android/media/IAudioService.aidl
index c29e967..169631e 100644
--- a/media/java/android/media/IAudioService.aidl
+++ b/media/java/android/media/IAudioService.aidl
@@ -36,13 +36,8 @@ import android.view.KeyEvent;
*/
interface IAudioService {
- void adjustVolume(int direction, int flags, String callingPackage);
-
boolean isLocalOrRemoteMusicActive();
- oneway void adjustLocalOrRemoteStreamVolume(int streamType, int direction,
- String callingPackage);
-
void adjustSuggestedStreamVolume(int direction, int suggestedStreamType, int flags,
String callingPackage);
@@ -127,9 +122,6 @@ interface IAudioService {
int getCurrentAudioFocus();
- oneway void dispatchMediaKeyEvent(in KeyEvent keyEvent);
- void dispatchMediaKeyEventUnderWakelock(in KeyEvent keyEvent);
-
void registerMediaButtonIntent(in PendingIntent pi, in ComponentName c, IBinder token);
oneway void unregisterMediaButtonIntent(in PendingIntent pi);
diff --git a/media/java/android/media/session/MediaController.java b/media/java/android/media/session/MediaController.java
index 5ca7daa..87a43e4 100644
--- a/media/java/android/media/session/MediaController.java
+++ b/media/java/android/media/session/MediaController.java
@@ -70,14 +70,7 @@ public final class MediaController {
* @hide
*/
public static MediaController fromBinder(ISessionController sessionBinder) {
- MediaController controller = new MediaController(sessionBinder);
- try {
- controller.mSessionBinder.registerCallbackListener(controller.mCbStub);
- } catch (RemoteException e) {
- Log.wtf(TAG, "MediaController created with expired token", e);
- controller = null;
- }
- return controller;
+ return new MediaController(sessionBinder);
}
/**
@@ -305,7 +298,7 @@ public final class MediaController {
mSessionBinder.registerCallbackListener(mCbStub);
mCbRegistered = true;
} catch (RemoteException e) {
- Log.d(TAG, "Dead object in registerCallback", e);
+ Log.e(TAG, "Dead object in registerCallback", e);
}
}
}
@@ -314,14 +307,23 @@ public final class MediaController {
if (cb == null) {
throw new IllegalArgumentException("Callback cannot be null");
}
+ boolean success = false;
for (int i = mCallbacks.size() - 1; i >= 0; i--) {
MessageHandler handler = mCallbacks.get(i);
if (cb == handler.mCallback) {
mCallbacks.remove(i);
- return true;
+ success = true;
}
}
- return false;
+ if (mCbRegistered && mCallbacks.size() == 0) {
+ try {
+ mSessionBinder.unregisterCallbackListener(mCbStub);
+ } catch (RemoteException e) {
+ Log.e(TAG, "Dead object in removeCallbackLocked");
+ }
+ mCbRegistered = false;
+ }
+ return success;
}
private MessageHandler getHandlerForCallbackLocked(Callback cb) {
generated by cgit v1.1 at 2025-11-30 09:16:59 +0000