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Prevent shutter closing for within-window seeks to unprepared periods

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Issue: #5507
PiperOrigin-RevId: 315512207
This commit is contained in:
olly 2020-06-09 18:37:00 +01:00 committed by Oliver Woodman
parent 9ef9b56bcd
commit 5aa8a7a507
2 changed files with 36 additions and 0 deletions
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4
RELEASENOTES.md
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@ -191,6 +191,10 @@
([#6926](https://github.com/google/ExoPlayer/issues/6926)).
* Update `TrackSelectionDialogBuilder` to use AndroidX Compat Dialog
([#7357](https://github.com/google/ExoPlayer/issues/7357)).
* Prevent the video surface going black when seeking to an unprepared
period within the current window. For example when seeking over an ad
group, or to the next period in a multi-period DASH stream
([#5507](https://github.com/google/ExoPlayer/issues/5507)).
* Metadata: Add minimal DVB Application Information Table (AIT) support
([#6922](https://github.com/google/ExoPlayer/pull/6922)).
* Cast extension: Implement playlist API and deprecate the old queue

32
library/ui/src/main/java/com/google/android/exoplayer2/ui/PlayerView.java
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@ -48,6 +48,8 @@ import com.google.android.exoplayer2.ExoPlaybackException;
import com.google.android.exoplayer2.PlaybackPreparer;
import com.google.android.exoplayer2.Player;
import com.google.android.exoplayer2.Player.DiscontinuityReason;
import com.google.android.exoplayer2.Timeline;
import com.google.android.exoplayer2.Timeline.Period;
import com.google.android.exoplayer2.metadata.Metadata;
import com.google.android.exoplayer2.metadata.flac.PictureFrame;
import com.google.android.exoplayer2.metadata.id3.ApicFrame;
@ -1554,6 +1556,13 @@ public class PlayerView extends FrameLayout implements AdsLoader.AdViewProvider
SingleTapListener,
PlayerControlView.VisibilityListener {
private final Period period;
private @Nullable Object lastPeriodUidWithTracks;
public ComponentListener() {
period = new Period();
}
// TextOutput implementation
@Override
@ -1602,6 +1611,29 @@ public class PlayerView extends FrameLayout implements AdsLoader.AdViewProvider
@Override
public void onTracksChanged(TrackGroupArray tracks, TrackSelectionArray selections) {
// Suppress the update if transitioning to an unprepared period within the same window. This
// is necessary to avoid closing the shutter when such a transition occurs. See:
// https://github.com/google/ExoPlayer/issues/5507.
Player player = Assertions.checkNotNull(PlayerView.this.player);
Timeline timeline = player.getCurrentTimeline();
if (timeline.isEmpty()) {
lastPeriodUidWithTracks = null;
} else if (!player.getCurrentTrackGroups().isEmpty()) {
lastPeriodUidWithTracks =
timeline.getPeriod(player.getCurrentPeriodIndex(), period, /* setIds= */ true).uid;
} else if (lastPeriodUidWithTracks != null) {
int lastPeriodIndexWithTracks = timeline.getIndexOfPeriod(lastPeriodUidWithTracks);
if (lastPeriodIndexWithTracks != C.INDEX_UNSET) {
int lastWindowIndexWithTracks =
timeline.getPeriod(lastPeriodIndexWithTracks, period).windowIndex;
if (player.getCurrentWindowIndex() == lastWindowIndexWithTracks) {
// We're in the same window. Suppress the update.
return;
}
}
lastPeriodUidWithTracks = null;
}
updateForCurrentTrackSelections(/* isNewPlayer= */ false);
}