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Allow sequences to have non-matching durations

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And only repeat the secondary sequence if `isLooping` is set to true

PiperOrigin-RevId: 721713830
This commit is contained in:
claincly 2025-01-31 03:43:27 -08:00 committed by Copybara-Service
parent 39d0881083
commit 2b07ece0e5
1 changed files with 45 additions and 9 deletions
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48
libraries/transformer/src/main/java/androidx/media3/transformer/CompositionPlayer.java
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@ -21,6 +21,7 @@ import static androidx.media3.common.util.Assertions.checkNotNull;
import static androidx.media3.common.util.Assertions.checkState;
import static androidx.media3.common.util.Assertions.checkStateNotNull;
import static androidx.media3.common.util.Util.usToMs;
import static java.lang.Math.max;
import static java.lang.Math.min;
import android.content.Context;
@ -825,10 +826,20 @@ public final class CompositionPlayer extends SimpleBasePlayer
private void setSecondaryPlayerSequence(
ExoPlayer player, EditedMediaItemSequence sequence, long primarySequenceDurationUs) {
// TODO: b/331392198 - Repeat only looping sequences, after sequences can be of arbitrary
// length.
ConcatenatingMediaSource2.Builder mediaSourceBuilder = new ConcatenatingMediaSource2.Builder();
if (!sequence.isLooping) {
for (int i = 0; i < sequence.editedMediaItems.size(); i++) {
EditedMediaItem editedMediaItem = sequence.editedMediaItems.get(i);
mediaSourceBuilder.add(
createMediaSourceWithSilence(mediaSourceFactory, editedMediaItem),
/* initialPlaceholderDurationMs= */ usToMs(
editedMediaItem.getPresentationDurationUs()));
}
player.setMediaSource(mediaSourceBuilder.build());
return;
}
long accumulatedDurationUs = 0;
int i = 0;
while (accumulatedDurationUs < primarySequenceDurationUs) {
@ -927,7 +938,15 @@ public final class CompositionPlayer extends SimpleBasePlayer
}
private long getContentPositionMs() {
return players.isEmpty() ? C.TIME_UNSET : players.get(0).getContentPosition();
if (players.isEmpty()) {
return 0;
}
long lastContentPositionMs = 0;
for (int i = 0; i < players.size(); i++) {
lastContentPositionMs = max(lastContentPositionMs, players.get(i).getContentPosition());
}
return lastContentPositionMs;
}
private long getBufferedPositionMs() {
@ -937,9 +956,15 @@ public final class CompositionPlayer extends SimpleBasePlayer
// Return the minimum buffered position among players.
long minBufferedPositionMs = Integer.MAX_VALUE;
for (int i = 0; i < players.size(); i++) {
@Player.State int playbackState = players.get(i).getPlaybackState();
if (playbackState == STATE_READY || playbackState == STATE_BUFFERING) {
minBufferedPositionMs = min(minBufferedPositionMs, players.get(i).getBufferedPosition());
}
return minBufferedPositionMs;
}
return minBufferedPositionMs == Integer.MAX_VALUE
// All players are ended or idle.
? 0
: minBufferedPositionMs;
}
private long getTotalBufferedDurationMs() {
@ -949,10 +974,16 @@ public final class CompositionPlayer extends SimpleBasePlayer
// Return the minimum total buffered duration among players.
long minTotalBufferedDurationMs = Integer.MAX_VALUE;
for (int i = 0; i < players.size(); i++) {
@Player.State int playbackState = players.get(i).getPlaybackState();
if (playbackState == STATE_READY || playbackState == STATE_BUFFERING) {
minTotalBufferedDurationMs =
min(minTotalBufferedDurationMs, players.get(i).getTotalBufferedDuration());
}
return minTotalBufferedDurationMs;
}
return minTotalBufferedDurationMs == Integer.MAX_VALUE
// All players are ended or idle.
? 0
: minTotalBufferedDurationMs;
}
private boolean getRenderedFirstFrameAndReset() {
@ -1043,7 +1074,12 @@ public final class CompositionPlayer extends SimpleBasePlayer
private static long getCompositionDurationUs(Composition composition) {
checkState(!composition.sequences.isEmpty());
return getSequenceDurationUs(composition.sequences.get(0));
long longestSequenceDurationUs = Integer.MIN_VALUE;
for (int i = 0; i < composition.sequences.size(); i++) {
longestSequenceDurationUs =
max(longestSequenceDurationUs, getSequenceDurationUs(composition.sequences.get(i)));
}
return longestSequenceDurationUs;
}
private static long getSequenceDurationUs(EditedMediaItemSequence sequence) {