sjs/media
1
0
Fork 0
mirror of https://github.com/samsonjs/media.git synced 2026-03-26 09:35:47 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Add setPlaybackLooper ExoPlayer builder method

Browse source 
The method allows clients to specify a pre-existing thread
to use for playback. This can be used to run multiple ExoPlayer
instances on the same playback thread.

PiperOrigin-RevId: 488980749
This commit is contained in:
Googler 2022-11-16 18:42:27 +00:00 committed by microkatz
parent f52bb274b8
commit 79b809b556
3 changed files with 43 additions and 13 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

20
library/core/src/main/java/com/google/android/exoplayer2/ExoPlayer.java
View file

@ -24,6 +24,7 @@ import android.media.AudioDeviceInfo;
import android.media.AudioTrack;
import android.media.MediaCodec;
import android.os.Looper;
import android.os.Process;
import android.view.Surface;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
@ -473,6 +474,7 @@ public interface ExoPlayer extends Player {
/* package */ long detachSurfaceTimeoutMs;
/* package */ boolean pauseAtEndOfMediaItems;
/* package */ boolean usePlatformDiagnostics;
@Nullable /* package */ Looper playbackLooper;
/* package */ boolean buildCalled;
/**
@ -515,6 +517,7 @@ public interface ExoPlayer extends Player {
* <li>{@code pauseAtEndOfMediaItems}: {@code false}
* <li>{@code usePlatformDiagnostics}: {@code true}
* <li>{@link Clock}: {@link Clock#DEFAULT}
* <li>{@code playbackLooper}: {@code null} (create new thread)
* </ul>
*
* @param context A {@link Context}.
@ -1097,6 +1100,23 @@ public interface ExoPlayer extends Player {
return this;
}
/**
* Sets the {@link Looper} that will be used for playback.
*
* <p>The backing thread should run with priority {@link Process#THREAD_PRIORITY_AUDIO} and
* should handle messages within 10ms.
*
* @param playbackLooper A {@link looper}.
* @return This builder.
* @throws IllegalStateException If {@link #build()} has already been called.
*/
@CanIgnoreReturnValue
public Builder setPlaybackLooper(Looper playbackLooper) {
checkState(!buildCalled);
this.playbackLooper = playbackLooper;
return this;
}
/**
* Builds an {@link ExoPlayer} instance.
*

3
library/core/src/main/java/com/google/android/exoplayer2/ExoPlayerImpl.java
View file

@ -334,7 +334,8 @@ import java.util.concurrent.TimeoutException;
applicationLooper,
clock,
playbackInfoUpdateListener,
playerId);
playerId,
builder.playbackLooper);
volume = 1;
repeatMode = Player.REPEAT_MODE_OFF;

33
library/core/src/main/java/com/google/android/exoplayer2/ExoPlayerImplInternal.java
View file

@ -181,7 +181,7 @@ import java.util.concurrent.atomic.AtomicBoolean;
private final LoadControl loadControl;
private final BandwidthMeter bandwidthMeter;
private final HandlerWrapper handler;
private final HandlerThread internalPlaybackThread;
@Nullable private final HandlerThread internalPlaybackThread;
private final Looper playbackLooper;
private final Timeline.Window window;
private final Timeline.Period period;
@ -236,7 +236,8 @@ import java.util.concurrent.atomic.AtomicBoolean;
Looper applicationLooper,
Clock clock,
PlaybackInfoUpdateListener playbackInfoUpdateListener,
PlayerId playerId) {
PlayerId playerId,
Looper playbackLooper) {
this.playbackInfoUpdateListener = playbackInfoUpdateListener;
this.renderers = renderers;
this.trackSelector = trackSelector;
@ -277,12 +278,18 @@ import java.util.concurrent.atomic.AtomicBoolean;
mediaSourceList =
new MediaSourceList(/* listener= */ this, analyticsCollector, eventHandler, playerId);
// Note: The documentation for Process.THREAD_PRIORITY_AUDIO that states "Applications can
// not normally change to this priority" is incorrect.
internalPlaybackThread = new HandlerThread("ExoPlayer:Playback", Process.THREAD_PRIORITY_AUDIO);
internalPlaybackThread.start();
playbackLooper = internalPlaybackThread.getLooper();
handler = clock.createHandler(playbackLooper, this);
if (playbackLooper != null) {
internalPlaybackThread = null;
this.playbackLooper = playbackLooper;
} else {
// Note: The documentation for Process.THREAD_PRIORITY_AUDIO that states "Applications can
// not normally change to this priority" is incorrect.
internalPlaybackThread =
new HandlerThread("ExoPlayer:Playback", Process.THREAD_PRIORITY_AUDIO);
internalPlaybackThread.start();
this.playbackLooper = internalPlaybackThread.getLooper();
}
handler = clock.createHandler(this.playbackLooper, this);
}
public void experimentalSetForegroundModeTimeoutMs(long setForegroundModeTimeoutMs) {
@ -385,7 +392,7 @@ import java.util.concurrent.atomic.AtomicBoolean;
@Override
public synchronized void sendMessage(PlayerMessage message) {
if (released || !internalPlaybackThread.isAlive()) {
if (released || !playbackLooper.getThread().isAlive()) {
Log.w(TAG, "Ignoring messages sent after release.");
message.markAsProcessed(/* isDelivered= */ false);
return;
@ -400,7 +407,7 @@ import java.util.concurrent.atomic.AtomicBoolean;
* @return Whether the operations succeeded. If false, the operation timed out.
*/
public synchronized boolean setForegroundMode(boolean foregroundMode) {
if (released || !internalPlaybackThread.isAlive()) {
if (released || !playbackLooper.getThread().isAlive()) {
return true;
}
if (foregroundMode) {
@ -422,7 +429,7 @@ import java.util.concurrent.atomic.AtomicBoolean;
* @return Whether the release succeeded. If false, the release timed out.
*/
public synchronized boolean release() {
if (released || !internalPlaybackThread.isAlive()) {
if (released || !playbackLooper.getThread().isAlive()) {
return true;
}
handler.sendEmptyMessage(MSG_RELEASE);
@ -1374,7 +1381,9 @@ import java.util.concurrent.atomic.AtomicBoolean;
/* resetError= */ false);
loadControl.onReleased();
setState(Player.STATE_IDLE);
internalPlaybackThread.quit();
if (internalPlaybackThread != null) {
internalPlaybackThread.quit();
}
synchronized (this) {
released = true;
notifyAll();