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implement getDurationAfterEffectApplied in TimestampAdjustment Effect

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PiperOrigin-RevId: 653206245
This commit is contained in:
tofunmi 2024-07-17 06:03:22 -07:00 committed by Copybara-Service
parent c05a5c6237
commit 29a2486ce3
2 changed files with 30 additions and 3 deletions
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13
libraries/effect/src/main/java/androidx/media3/effect/TimestampAdjustment.java
View File

@ -44,6 +44,14 @@ public final class TimestampAdjustment implements GlEffect {
* on any thread.
*/
void calculateOutputTimeUs(long inputTimeUs, TimestampConsumer outputTimeConsumer);
/**
* Returns the expected duration of the output stream when the map is applied given a input
* {@code durationUs}.
*/
default long getDurationUsAfterTimestampsMapped(long durationUs) {
return durationUs;
}
}
private final TimestampMap timestampMap;
@ -57,4 +65,9 @@ public final class TimestampAdjustment implements GlEffect {
public GlShaderProgram toGlShaderProgram(Context context, boolean useHdr) {
return new TimestampAdjustmentShaderProgram(timestampMap);
}
@Override
public long getDurationAfterEffectApplied(long durationUs) {
return timestampMap.getDurationUsAfterTimestampsMapped(durationUs);
}
}

20
libraries/transformer/src/main/java/androidx/media3/transformer/Effects.java
View File

@ -21,6 +21,7 @@ import androidx.media3.common.MediaItem;
import androidx.media3.common.audio.AudioProcessor;
import androidx.media3.common.audio.SpeedChangingAudioProcessor;
import androidx.media3.common.audio.SpeedProvider;
import androidx.media3.common.util.TimestampConsumer;
import androidx.media3.common.util.UnstableApi;
import androidx.media3.effect.SpeedChangeEffect;
import androidx.media3.effect.TimestampAdjustment;
@ -79,8 +80,21 @@ public final class Effects {
SpeedProvider speedProvider) {
SpeedChangingAudioProcessor speedChangingAudioProcessor =
new SpeedChangingAudioProcessor(speedProvider);
Effect audioDrivenvideoEffect =
new TimestampAdjustment(speedChangingAudioProcessor::getSpeedAdjustedTimeAsync);
return Pair.create(speedChangingAudioProcessor, audioDrivenvideoEffect);
Effect audioDrivenVideoEffect =
new TimestampAdjustment(
new TimestampAdjustment.TimestampMap() {
@Override
public void calculateOutputTimeUs(
long inputTimeUs, TimestampConsumer outputTimeConsumer) {
speedChangingAudioProcessor.getSpeedAdjustedTimeAsync(
inputTimeUs, outputTimeConsumer);
}
@Override
public long getDurationUsAfterTimestampsMapped(long durationUs) {
return speedChangingAudioProcessor.getDurationAfterProcessorApplied(durationUs);
}
});
return Pair.create(speedChangingAudioProcessor, audioDrivenVideoEffect);
}
}