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-rw-r--r--media/java/android/media/AudioFormat.java19
-rw-r--r--media/java/android/media/AudioRecord.java2
-rw-r--r--media/java/android/media/AudioTrack.java113
-rw-r--r--media/java/android/media/JetPlayer.java6
-rw-r--r--media/java/android/media/session/ISession.aidl4
-rw-r--r--media/java/android/media/session/ISessionManager.aidl2
-rw-r--r--media/java/android/media/session/MediaSessionLegacyHelper.java16
-rw-r--r--media/java/android/media/session/Session.java107
-rw-r--r--media/java/android/media/session/SessionManager.java27
-rw-r--r--media/jni/Android.mk2
-rw-r--r--media/jni/android_media_MediaPlayer.cpp4
11 files changed, 231 insertions, 71 deletions
diff --git a/media/java/android/media/AudioFormat.java b/media/java/android/media/AudioFormat.java
index ad0d459..6b2a247 100644
--- a/media/java/android/media/AudioFormat.java
+++ b/media/java/android/media/AudioFormat.java
@@ -32,11 +32,13 @@ public class AudioFormat {
/** Default audio data format */
public static final int ENCODING_DEFAULT = 1;
- // These two values must be kept in sync with core/jni/android_media_AudioFormat.h
+ // These values must be kept in sync with core/jni/android_media_AudioFormat.h
/** Audio data format: PCM 16 bit per sample. Guaranteed to be supported by devices. */
public static final int ENCODING_PCM_16BIT = 2;
/** Audio data format: PCM 8 bit per sample. Not guaranteed to be supported by devices. */
public static final int ENCODING_PCM_8BIT = 3;
+ /** @hide Candidate for public API */
+ public static final int ENCODING_PCM_FLOAT = 4;
/** Invalid audio channel configuration */
/** @deprecated use CHANNEL_INVALID instead */
@@ -139,4 +141,19 @@ public class AudioFormat {
public static final int CHANNEL_IN_FRONT_BACK = CHANNEL_IN_FRONT | CHANNEL_IN_BACK;
// CHANNEL_IN_ALL is not yet defined; if added then it should match AUDIO_CHANNEL_IN_ALL
+ /** @hide */
+ public static int getBytesPerSample(int audioFormat)
+ {
+ switch (audioFormat) {
+ case ENCODING_PCM_8BIT:
+ return 1;
+ case ENCODING_PCM_16BIT:
+ case ENCODING_DEFAULT:
+ return 2;
+ case ENCODING_INVALID:
+ default:
+ throw new IllegalArgumentException("Bad audio format " + audioFormat);
+ }
+ }
+
}
diff --git a/media/java/android/media/AudioRecord.java b/media/java/android/media/AudioRecord.java
index a4891f8..384e120 100644
--- a/media/java/android/media/AudioRecord.java
+++ b/media/java/android/media/AudioRecord.java
@@ -319,7 +319,7 @@ public class AudioRecord
// NB: this section is only valid with PCM data.
// To update when supporting compressed formats
int frameSizeInBytes = mChannelCount
- * (mAudioFormat == AudioFormat.ENCODING_PCM_8BIT ? 1 : 2);
+ * (AudioFormat.getBytesPerSample(mAudioFormat));
if ((audioBufferSize % frameSizeInBytes != 0) || (audioBufferSize < 1)) {
throw new IllegalArgumentException("Invalid audio buffer size.");
}
diff --git a/media/java/android/media/AudioTrack.java b/media/java/android/media/AudioTrack.java
index 17840f2..dab6eed 100644
--- a/media/java/android/media/AudioTrack.java
+++ b/media/java/android/media/AudioTrack.java
@@ -72,6 +72,7 @@ import com.android.internal.app.IAppOpsService;
*
* AudioTrack is not final and thus permits subclasses, but such use is not recommended.
*/
+// add {@link #write(float[], int, int)} when @hide removed
public class AudioTrack
{
//---------------------------------------------------------
@@ -172,16 +173,14 @@ public class AudioTrack
public @interface WriteMode {}
/**
- * @hide CANDIDATE FOR PUBLIC API
* The write mode indicating the write operation will block until all data has been written,
- * to be used in {@link #write(ByteBuffer, int, int, int)}.
+ * to be used in {@link #write(ByteBuffer, int, int)}
*/
public final static int WRITE_BLOCKING = 0;
/**
- * @hide CANDIDATE FOR PUBLIC API
* The write mode indicating the write operation will return immediately after
* queuing as much audio data for playback as possible without blocking, to be used in
- * {@link #write(ByteBuffer, int, int, int)}.
+ * {@link #write(ByteBuffer, int, int)}.
*/
public final static int WRITE_NON_BLOCKING = 1;
@@ -247,6 +246,7 @@ public class AudioTrack
* @see AudioFormat#ENCODING_PCM_8BIT
* @see AudioFormat#ENCODING_PCM_16BIT
*/
+ // add @see AudioFormat#ENCODING_PCM_FLOAT when @hide removed
private int mAudioFormat = AudioFormat.ENCODING_PCM_16BIT;
/**
* Audio session ID
@@ -302,6 +302,7 @@ public class AudioTrack
* @param mode streaming or static buffer. See {@link #MODE_STATIC} and {@link #MODE_STREAM}
* @throws java.lang.IllegalArgumentException
*/
+ // add {@link AudioFormat#ENCODING_PCM_FLOAT} to audioFormat section above, when @hide removed
public AudioTrack(int streamType, int sampleRateInHz, int channelConfig, int audioFormat,
int bufferSizeInBytes, int mode)
throws IllegalArgumentException {
@@ -343,6 +344,7 @@ public class AudioTrack
* @param sessionId Id of audio session the AudioTrack must be attached to
* @throws java.lang.IllegalArgumentException
*/
+ // add {@link AudioFormat#ENCODING_PCM_FLOAT} to audioFormat section above, when @hide removed
public AudioTrack(int streamType, int sampleRateInHz, int channelConfig, int audioFormat,
int bufferSizeInBytes, int mode, int sessionId)
throws IllegalArgumentException {
@@ -461,11 +463,14 @@ public class AudioTrack
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.");
+ + " Should be ENCODING_PCM_8BIT or ENCODING_PCM_16BIT"
+ // + " or ENCODING_PCM_FLOAT" when @hide removed
+ + ".");
}
//--------------
@@ -518,7 +523,7 @@ public class AudioTrack
// NB: this section is only valid with PCM data.
// To update when supporting compressed formats
int frameSizeInBytes = mChannelCount
- * (mAudioFormat == AudioFormat.ENCODING_PCM_8BIT ? 1 : 2);
+ * (AudioFormat.getBytesPerSample(mAudioFormat));
if ((audioBufferSize % frameSizeInBytes != 0) || (audioBufferSize < 1)) {
throw new IllegalArgumentException("Invalid audio buffer size.");
}
@@ -730,6 +735,7 @@ public class AudioTrack
* or {@link #ERROR} if unable to query for output properties,
* or the minimum buffer size expressed in bytes.
*/
+ // add {@link AudioFormat#ENCODING_PCM_FLOAT} to audioFormat section above, when @hide removed
static public int getMinBufferSize(int sampleRateInHz, int channelConfig, int audioFormat) {
int channelCount = 0;
switch(channelConfig) {
@@ -752,7 +758,8 @@ public class AudioTrack
}
if ((audioFormat != AudioFormat.ENCODING_PCM_16BIT)
- && (audioFormat != AudioFormat.ENCODING_PCM_8BIT)) {
+ && (audioFormat != AudioFormat.ENCODING_PCM_8BIT)
+ && (audioFormat != AudioFormat.ENCODING_PCM_FLOAT)) {
loge("getMinBufferSize(): Invalid audio format.");
return ERROR_BAD_VALUE;
}
@@ -1152,7 +1159,7 @@ public class AudioTrack
public int write(byte[] audioData, int offsetInBytes, int sizeInBytes) {
- if (mState == STATE_UNINITIALIZED) {
+ if (mState == STATE_UNINITIALIZED || mAudioFormat == AudioFormat.ENCODING_PCM_FLOAT) {
return ERROR_INVALID_OPERATION;
}
@@ -1190,13 +1197,13 @@ public class AudioTrack
* starts.
* @param sizeInShorts the number of shorts to read in audioData after the offset.
* @return the number of shorts 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.
+ * if the object wasn't properly initialized, or {@link #ERROR_BAD_VALUE} if
+ * the parameters don't resolve to valid data and indexes.
*/
public int write(short[] audioData, int offsetInShorts, int sizeInShorts) {
- if (mState == STATE_UNINITIALIZED) {
+ if (mState == STATE_UNINITIALIZED || mAudioFormat == AudioFormat.ENCODING_PCM_FLOAT) {
return ERROR_INVALID_OPERATION;
}
@@ -1220,7 +1227,80 @@ public class AudioTrack
/**
- * @hide CANDIDATE FOR PUBLIC API
+ * Writes the audio data to the audio sink for playback (streaming mode),
+ * or copies audio data for later playback (static buffer mode).
+ * In static buffer mode, copies the data to the buffer starting at offset 0,
+ * and the write mode is ignored.
+ * In streaming mode, the blocking behavior will depend on the write mode.
+ * <p>
+ * Note that the actual playback of this data might occur after this function
+ * returns. This function is thread safe with respect to {@link #stop} calls,
+ * in which case all of the specified data might not be written to the audio sink.
+ * <p>
+ * @param audioData the array that holds the data to play.
+ * The implementation does not clip for sample values within the nominal range
+ * [-1.0f, 1.0f], provided that all gains in the audio pipeline are
+ * less than or equal to unity (1.0f), and in the absence of post-processing effects
+ * that could add energy, such as reverb. For the convenience of applications
+ * that compute samples using filters with non-unity gain,
+ * sample values +3 dB beyond the nominal range are permitted.
+ * However such values may eventually be limited or clipped, depending on various gains
+ * and later processing in the audio path. Therefore applications are encouraged
+ * to provide samples values within the nominal range.
+ * @param offsetInFloats the offset, expressed as a number of floats,
+ * in audioData where the data to play starts.
+ * @param sizeInFloats the number of floats to read in audioData after the offset.
+ * @param writeMode one of {@link #WRITE_BLOCKING}, {@link #WRITE_NON_BLOCKING}. It has no
+ * effect in static mode.
+ * <BR>With {@link #WRITE_BLOCKING}, the write will block until all data has been written
+ * to the audio sink.
+ * <BR>With {@link #WRITE_NON_BLOCKING}, the write will return immediately after
+ * queuing as much audio data for playback as possible without blocking.
+ * @return the number of floats 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.
+ * @hide candidate for public API
+ */
+ public int write(float[] audioData, int offsetInFloats, int sizeInFloats,
+ @WriteMode int writeMode) {
+
+ if (mState == STATE_UNINITIALIZED) {
+ Log.e(TAG, "AudioTrack.write() called in invalid state STATE_UNINITIALIZED");
+ return ERROR_INVALID_OPERATION;
+ }
+
+ if (mAudioFormat != AudioFormat.ENCODING_PCM_FLOAT) {
+ Log.e(TAG, "AudioTrack.write(float[] ...) requires format ENCODING_PCM_FLOAT");
+ return ERROR_INVALID_OPERATION;
+ }
+
+ if ((writeMode != WRITE_BLOCKING) && (writeMode != WRITE_NON_BLOCKING)) {
+ Log.e(TAG, "AudioTrack.write() called with invalid blocking mode");
+ return ERROR_BAD_VALUE;
+ }
+
+ if ( (audioData == null) || (offsetInFloats < 0 ) || (sizeInFloats < 0)
+ || (offsetInFloats + sizeInFloats < 0) // detect integer overflow
+ || (offsetInFloats + sizeInFloats > audioData.length)) {
+ Log.e(TAG, "AudioTrack.write() called with invalid array, offset, or size");
+ return ERROR_BAD_VALUE;
+ }
+
+ int ret = native_write_float(audioData, offsetInFloats, sizeInFloats, mAudioFormat,
+ writeMode == WRITE_BLOCKING);
+
+ if ((mDataLoadMode == MODE_STATIC)
+ && (mState == STATE_NO_STATIC_DATA)
+ && (ret > 0)) {
+ // benign race with respect to other APIs that read mState
+ mState = STATE_INITIALIZED;
+ }
+
+ return ret;
+ }
+
+
+ /**
* Writes the audio data to the audio sink for playback (streaming mode),
* or copies audio data for later playback (static buffer mode).
* In static buffer mode, copies the data to the buffer starting at its 0 offset, and the write
@@ -1250,6 +1330,11 @@ public class AudioTrack
return ERROR_INVALID_OPERATION;
}
+ if (mAudioFormat == AudioFormat.ENCODING_PCM_FLOAT) {
+ Log.e(TAG, "AudioTrack.write(ByteBuffer ...) not yet supported for ENCODING_PCM_FLOAT");
+ return ERROR_INVALID_OPERATION;
+ }
+
if ((writeMode != WRITE_BLOCKING) && (writeMode != WRITE_NON_BLOCKING)) {
Log.e(TAG, "AudioTrack.write() called with invalid blocking mode");
return ERROR_BAD_VALUE;
@@ -1490,6 +1575,10 @@ public class AudioTrack
private native final int native_write_short(short[] audioData,
int offsetInShorts, int sizeInShorts, int format);
+ private native final int native_write_float(float[] audioData,
+ int offsetInFloats, int sizeInFloats, int format,
+ boolean isBlocking);
+
private native final int native_write_native_bytes(Object audioData,
int positionInBytes, int sizeInBytes, int format, boolean blocking);
diff --git a/media/java/android/media/JetPlayer.java b/media/java/android/media/JetPlayer.java
index bd91fc5..7735e78 100644
--- a/media/java/android/media/JetPlayer.java
+++ b/media/java/android/media/JetPlayer.java
@@ -169,9 +169,11 @@ public class JetPlayer
native_setup(new WeakReference<JetPlayer>(this),
JetPlayer.getMaxTracks(),
- // bytes to frame conversion: sample format is ENCODING_PCM_16BIT, 2 channels
+ // bytes to frame conversion:
// 1200 == minimum buffer size in frames on generation 1 hardware
- Math.max(1200, buffSizeInBytes / 4));
+ Math.max(1200, buffSizeInBytes /
+ (AudioFormat.getBytesPerSample(AudioFormat.ENCODING_PCM_16BIT) *
+ 2 /*channels*/)));
}
}
diff --git a/media/java/android/media/session/ISession.aidl b/media/java/android/media/session/ISession.aidl
index ca77f04..3ff07d9 100644
--- a/media/java/android/media/session/ISession.aidl
+++ b/media/java/android/media/session/ISession.aidl
@@ -31,8 +31,8 @@ import android.os.ResultReceiver;
interface ISession {
void sendEvent(String event, in Bundle data);
ISessionController getController();
- void setTransportPerformerEnabled();
- void publish();
+ void setFlags(int flags);
+ void setActive(boolean active);
void destroy();
// These commands are for setting up and communicating with routes
diff --git a/media/java/android/media/session/ISessionManager.aidl b/media/java/android/media/session/ISessionManager.aidl
index 84b9a0f..7a8c22e 100644
--- a/media/java/android/media/session/ISessionManager.aidl
+++ b/media/java/android/media/session/ISessionManager.aidl
@@ -15,6 +15,7 @@
package android.media.session;
+import android.content.ComponentName;
import android.media.session.ISession;
import android.media.session.ISessionCallback;
import android.os.Bundle;
@@ -25,4 +26,5 @@ import android.os.Bundle;
*/
interface ISessionManager {
ISession createSession(String packageName, in ISessionCallback cb, String tag);
+ List<IBinder> getSessions(in ComponentName compName);
} \ No newline at end of file
diff --git a/media/java/android/media/session/MediaSessionLegacyHelper.java b/media/java/android/media/session/MediaSessionLegacyHelper.java
index 4ee67d1..c07229d 100644
--- a/media/java/android/media/session/MediaSessionLegacyHelper.java
+++ b/media/java/android/media/session/MediaSessionLegacyHelper.java
@@ -43,7 +43,8 @@ public class MediaSessionLegacyHelper {
private Handler mHandler = new Handler(Looper.getMainLooper());
// The legacy APIs use PendingIntents to register/unregister media button
// receivers and these are associated with RCC.
- private ArrayMap<PendingIntent, SessionHolder> mSessions = new ArrayMap<PendingIntent, SessionHolder>();
+ private ArrayMap<PendingIntent, SessionHolder> mSessions
+ = new ArrayMap<PendingIntent, SessionHolder>();
private MediaSessionLegacyHelper(Context context) {
mSessionManager = (SessionManager) context
@@ -78,6 +79,8 @@ public class MediaSessionLegacyHelper {
}
performer.addListener(listener, mHandler);
holder.mRccListener = listener;
+ holder.mFlags |= Session.FLAG_HANDLES_TRANSPORT_CONTROLS;
+ holder.mSession.setFlags(holder.mFlags);
holder.update();
}
@@ -86,6 +89,8 @@ public class MediaSessionLegacyHelper {
if (holder != null && holder.mRccListener != null) {
holder.mSession.getTransportPerformer().removeListener(holder.mRccListener);
holder.mRccListener = null;
+ holder.mFlags &= ~Session.FLAG_HANDLES_TRANSPORT_CONTROLS;
+ holder.mSession.setFlags(holder.mFlags);
holder.update();
}
}
@@ -98,6 +103,8 @@ public class MediaSessionLegacyHelper {
return;
}
holder.mMediaButtonListener = new MediaButtonListener(pi, context);
+ holder.mFlags |= Session.FLAG_HANDLES_MEDIA_BUTTONS;
+ holder.mSession.setFlags(holder.mFlags);
holder.mSession.getTransportPerformer().addListener(holder.mMediaButtonListener, mHandler);
}
@@ -105,6 +112,9 @@ public class MediaSessionLegacyHelper {
SessionHolder holder = getHolder(pi, false);
if (holder != null && holder.mMediaButtonListener != null) {
holder.mSession.getTransportPerformer().removeListener(holder.mMediaButtonListener);
+ holder.mFlags &= ~Session.FLAG_HANDLES_MEDIA_BUTTONS;
+ holder.mSession.setFlags(holder.mFlags);
+ holder.mMediaButtonListener = null;
holder.update();
}
}
@@ -113,8 +123,7 @@ public class MediaSessionLegacyHelper {
SessionHolder holder = mSessions.get(pi);
if (holder == null && createIfMissing) {
Session session = mSessionManager.createSession(TAG);
- session.setTransportPerformerEnabled();
- session.publish();
+ session.setActive(true);
holder = new SessionHolder(session, pi);
mSessions.put(pi, holder);
}
@@ -193,6 +202,7 @@ public class MediaSessionLegacyHelper {
public final PendingIntent mPi;
public MediaButtonListener mMediaButtonListener;
public TransportPerformer.Listener mRccListener;
+ public int mFlags;
public SessionHolder(Session session, PendingIntent pi) {
mSession = session;
diff --git a/media/java/android/media/session/Session.java b/media/java/android/media/session/Session.java
index 8ccd788..194679e7 100644
--- a/media/java/android/media/session/Session.java
+++ b/media/java/android/media/session/Session.java
@@ -45,12 +45,13 @@ import java.util.List;
* media to multiple routes or to provide finer grain controls of media.
* <p>
* A MediaSession is created by calling
- * {@link SessionManager#createSession(String)}. Once a session is created
- * apps that have the MEDIA_CONTENT_CONTROL permission can interact with the
- * session through {@link SessionManager#getActiveSessions()}. The owner of
- * the session may also use {@link #getSessionToken()} to allow apps without
- * this permission to create a {@link SessionController} to interact with this
- * session.
+ * {@link SessionManager#createSession(String)}. Once a session is created apps
+ * that have the MEDIA_CONTENT_CONTROL permission can interact with the session
+ * through
+ * {@link SessionManager#getActiveSessions(android.content.ComponentName)}. The
+ * owner of the session may also use {@link #getSessionToken()} to allow apps
+ * without this permission to create a {@link SessionController} to interact
+ * with this session.
* <p>
* To receive commands, media keys, and other events a Callback must be set with
* {@link #addCallback(Callback)}.
@@ -63,6 +64,28 @@ import java.util.List;
public final class Session {
private static final String TAG = "Session";
+ /**
+ * Set this flag on the session to indicate that it can handle media button
+ * events.
+ */
+ public static final int FLAG_HANDLES_MEDIA_BUTTONS = 1 << 0;
+
+ /**
+ * Set this flag on the session to indicate that it handles commands through
+ * the {@link TransportPerformer}. The performer can be retrieved by calling
+ * {@link #getTransportPerformer()}.
+ */
+ public static final int FLAG_HANDLES_TRANSPORT_CONTROLS = 1 << 1;
+
+ /**
+ * System only flag for a session that needs to have priority over all other
+ * sessions. This flag ensures this session will receive media button events
+ * regardless of the current ordering in the system.
+ *
+ * @hide
+ */
+ public static final int FLAG_EXCLUSIVE_GLOBAL_PRIORITY = 1 << 16;
+
private static final int MSG_MEDIA_BUTTON = 1;
private static final int MSG_COMMAND = 2;
private static final int MSG_ROUTE_CHANGE = 3;
@@ -86,7 +109,7 @@ public final class Session {
private TransportPerformer mPerformer;
private Route mRoute;
- private boolean mPublished = false;;
+ private boolean mActive = false;;
/**
* @hide
@@ -101,6 +124,7 @@ public final class Session {
throw new RuntimeException("Dead object in MediaSessionController constructor: ", e);
}
mSessionToken = new SessionToken(controllerBinder);
+ mPerformer = new TransportPerformer(mBinder);
}
/**
@@ -148,56 +172,57 @@ public final class Session {
}
/**
- * Start using a TransportPerformer with this media session. This must be
- * called before calling publish and cannot be called more than once.
- * Calling this will allow MediaControllers to retrieve a
- * TransportController.
+ * Retrieves the {@link TransportPerformer} for this session. To receive
+ * commands through the performer you must also set the
+ * {@link #FLAG_HANDLES_TRANSPORT_CONTROLS} flag using
+ * {@link #setFlags(int)}.
*
- * @see TransportController
- * @return The TransportPerformer created for this session
+ * @return The performer associated with this session.
*/
- public TransportPerformer setTransportPerformerEnabled() {
- if (mPerformer != null) {
- throw new IllegalStateException("setTransportPerformer can only be called once.");
- }
- if (mPublished) {
- throw new IllegalStateException("setTransportPerformer cannot be called after publish");
- }
-
- mPerformer = new TransportPerformer(mBinder);
- try {
- mBinder.setTransportPerformerEnabled();
- } catch (RemoteException e) {
- Log.wtf(TAG, "Failure in setTransportPerformerEnabled.", e);
- }
+ public TransportPerformer getTransportPerformer() {
return mPerformer;
}
/**
- * Retrieves the TransportPerformer used by this session. If called before
- * {@link #setTransportPerformerEnabled} null will be returned.
+ * Set any flags for the session.
*
- * @return The TransportPerformer associated with this session or null
+ * @param flags The flags to set for this session.
*/
- public TransportPerformer getTransportPerformer() {
- return mPerformer;
+ public void setFlags(int flags) {
+ try {
+ mBinder.setFlags(flags);
+ } catch (RemoteException e) {
+ Log.wtf(TAG, "Failure in setFlags.", e);
+ }
}
/**
- * Call after you have finished setting up the session. This will make it
- * available to listeners and begin pushing updates to MediaControllers.
- * This can only be called once.
+ * Set if this session is currently active and ready to receive commands. If
+ * set to false your session's controller may not be discoverable. You must
+ * set the session to active before it can start receiving media button
+ * events or transport commands.
+ *
+ * @param active Whether this session is active or not.
*/
- public void publish() {
- if (mPublished) {
- throw new RuntimeException("publish() may only be called once.");
+ public void setActive(boolean active) {
+ if (mActive == active) {
+ return;
}
try {
- mBinder.publish();
+ mBinder.setActive(active);
+ mActive = active;
} catch (RemoteException e) {
- Log.wtf(TAG, "Failure in publish.", e);
+ Log.wtf(TAG, "Failure in setActive.", e);
}
- mPublished = true;
+ }
+
+ /**
+ * Get the current active state of this session.
+ *
+ * @return True if the session is active, false otherwise.
+ */
+ public boolean isActive() {
+ return mActive;
}
/**
diff --git a/media/java/android/media/session/SessionManager.java b/media/java/android/media/session/SessionManager.java
index 15bf0e3..fd022fc 100644
--- a/media/java/android/media/session/SessionManager.java
+++ b/media/java/android/media/session/SessionManager.java
@@ -16,11 +16,13 @@
package android.media.session;
+import android.content.ComponentName;
import android.content.Context;
import android.media.session.ISessionManager;
import android.os.IBinder;
import android.os.RemoteException;
import android.os.ServiceManager;
+import android.service.notification.NotificationListenerService;
import android.util.Log;
import java.util.ArrayList;
@@ -79,12 +81,27 @@ public final class SessionManager {
/**
* Get a list of controllers for all ongoing sessions. This requires the
* android.Manifest.permission.MEDIA_CONTENT_CONTROL permission be held by
- * the calling app.
+ * the calling app. You may also retrieve this list if your app is an
+ * enabled notification listener using the
+ * {@link NotificationListenerService} APIs, in which case you must pass the
+ * {@link ComponentName} of your enabled listener.
*
- * @return a list of controllers for ongoing sessions
+ * @param notificationListener The enabled notification listener component.
+ * May be null.
+ * @return A list of controllers for ongoing sessions
*/
- public List<SessionController> getActiveSessions() {
- // TODO
- return new ArrayList<SessionController>();
+ public List<SessionController> getActiveSessions(ComponentName notificationListener) {
+ ArrayList<SessionController> controllers = new ArrayList<SessionController>();
+ try {
+ List<IBinder> binders = mService.getSessions(notificationListener);
+ for (int i = binders.size() - 1; i >= 0; i--) {
+ SessionController controller = SessionController.fromBinder(ISessionController.Stub
+ .asInterface(binders.get(i)));
+ controllers.add(controller);
+ }
+ } catch (RemoteException e) {
+ Log.e(TAG, "Failed to get active sessions: ", e);
+ }
+ return controllers;
}
}
diff --git a/media/jni/Android.mk b/media/jni/Android.mk
index ed98b96..90fe695 100644
--- a/media/jni/Android.mk
+++ b/media/jni/Android.mk
@@ -66,8 +66,6 @@ LOCAL_C_INCLUDES += \
LOCAL_CFLAGS +=
-LOCAL_LDLIBS := -lpthread
-
LOCAL_MODULE:= libmedia_jni
include $(BUILD_SHARED_LIBRARY)
diff --git a/media/jni/android_media_MediaPlayer.cpp b/media/jni/android_media_MediaPlayer.cpp
index abebd48..6f42057 100644
--- a/media/jni/android_media_MediaPlayer.cpp
+++ b/media/jni/android_media_MediaPlayer.cpp
@@ -648,7 +648,7 @@ android_media_MediaPlayer_native_init(JNIEnv *env)
return;
}
- clazz = env->FindClass("android/net/ProxyProperties");
+ clazz = env->FindClass("android/net/ProxyInfo");
if (clazz == NULL) {
return;
}
@@ -660,7 +660,7 @@ android_media_MediaPlayer_native_init(JNIEnv *env)
env->GetMethodID(clazz, "getPort", "()I");
fields.proxyConfigGetExclusionList =
- env->GetMethodID(clazz, "getExclusionList", "()Ljava/lang/String;");
+ env->GetMethodID(clazz, "getExclusionListAsString", "()Ljava/lang/String;");
}
static void