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Use ERROR_CODE_BEHIND_LIVE_WINDOW instead of instanceof checks

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PiperOrigin-RevId: 375514509
This commit is contained in:
aquilescanta 2021-05-24 19:09:39 +01:00 committed by Oliver Woodman
parent afe4217c1c
commit 6a8b9557cc
2 changed files with 6 additions and 33 deletions
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18
demos/main/src/main/java/com/google/android/exoplayer2/demo/PlayerActivity.java
View File

@ -34,6 +34,7 @@ import androidx.appcompat.app.AppCompatActivity;
import com.google.android.exoplayer2.C;
import com.google.android.exoplayer2.ExoPlaybackException;
import com.google.android.exoplayer2.MediaItem;
import com.google.android.exoplayer2.PlaybackException;
import com.google.android.exoplayer2.Player;
import com.google.android.exoplayer2.RenderersFactory;
import com.google.android.exoplayer2.SimpleExoPlayer;
@ -43,7 +44,6 @@ import com.google.android.exoplayer2.ext.ima.ImaAdsLoader;
import com.google.android.exoplayer2.mediacodec.MediaCodecRenderer.DecoderInitializationException;
import com.google.android.exoplayer2.mediacodec.MediaCodecUtil.DecoderQueryException;
import com.google.android.exoplayer2.offline.DownloadRequest;
import com.google.android.exoplayer2.source.BehindLiveWindowException;
import com.google.android.exoplayer2.source.DefaultMediaSourceFactory;
import com.google.android.exoplayer2.source.MediaSourceFactory;
import com.google.android.exoplayer2.source.TrackGroupArray;
@ -413,20 +413,6 @@ public class PlayerActivity extends AppCompatActivity
Toast.makeText(getApplicationContext(), message, Toast.LENGTH_LONG).show();
}
private static boolean isBehindLiveWindow(ExoPlaybackException e) {
if (e.type != ExoPlaybackException.TYPE_SOURCE) {
return false;
}
Throwable cause = e.getSourceException();
while (cause != null) {
if (cause instanceof BehindLiveWindowException) {
return true;
}
cause = cause.getCause();
}
return false;
}
private class PlayerEventListener implements Player.EventListener {
@Override
@ -439,7 +425,7 @@ public class PlayerActivity extends AppCompatActivity
@Override
public void onPlayerError(@NonNull ExoPlaybackException e) {
if (isBehindLiveWindow(e)) {
if (e.errorCode == PlaybackException.ERROR_CODE_BEHIND_LIVE_WINDOW) {
player.seekToDefaultPosition();
player.prepare();
} else {

21
docs/live-streaming.md
View File

@ -130,11 +130,12 @@ Available configuration values are:
If automatic playback speed adjustment is not desired, it can be disabled by
setting `minPlaybackSpeed` and `maxPlaybackSpeed` to `1.0f`.
## BehindLiveWindowException ##
## BehindLiveWindowException and ERROR_CODE_BEHIND_LIVE_WINDOW ##
The playback position may fall behind the live window, for example if the player
is paused or buffering for a long enough period of time. If this happens then
playback will fail and a `BehindLiveWindowException` will be reported via
playback will fail and an exception with error code
`ERROR_CODE_BEHIND_LIVE_WINDOW` will be reported via
`Player.Listener.onPlayerError`. Application code may wish to handle such
errors by resuming playback at the default position. The [PlayerActivity][] of
the demo app exemplifies this approach.
@ -142,7 +143,7 @@ the demo app exemplifies this approach.
~~~
@Override
public void onPlayerError(ExoPlaybackException e) {
if (isBehindLiveWindow(e)) {
if (e.errorCode == PlaybackException.ERROR_CODE_BEHIND_LIVE_WINDOW) {
// Re-initialize player at the current live window default position.
player.seekToDefaultPosition();
player.prepare();
@ -150,20 +151,6 @@ public void onPlayerError(ExoPlaybackException e) {
// Handle other errors.
}
}
private static boolean isBehindLiveWindow(ExoPlaybackException e) {
if (e.type != ExoPlaybackException.TYPE_SOURCE) {
return false;
}
Throwable cause = e.getSourceException();
while (cause != null) {
if (cause instanceof BehindLiveWindowException) {
return true;
}
cause = cause.getCause();
}
return false;
}
~~~
{: .language-java}