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Build TransformationResult only when transformation succeeded

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PiperOrigin-RevId: 489442518
This commit is contained in:
kimvde 2022-11-18 12:25:48 +00:00 committed by microkatz
parent d9d716869b
commit 19bf020d84
2 changed files with 53 additions and 16 deletions
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3
library/transformer/src/main/java/com/google/android/exoplayer2/transformer/Transformer.java
View file

@ -16,6 +16,7 @@
package com.google.android.exoplayer2.transformer;
import static com.google.android.exoplayer2.transformer.TransformerInternal.END_TRANSFORMATION_REASON_CANCELLED;
import static com.google.android.exoplayer2.util.Assertions.checkState;
import static java.lang.annotation.ElementType.TYPE_USE;
@ -777,7 +778,7 @@ public final class Transformer {
return;
}
try {
transformerInternal.release(/* forCancellation= */ true);
transformerInternal.release(END_TRANSFORMATION_REASON_CANCELLED);
} catch (TransformationException impossible) {
throw new IllegalStateException(impossible);
}

66
library/transformer/src/main/java/com/google/android/exoplayer2/transformer/TransformerInternal.java
View file

@ -22,10 +22,12 @@ import static com.google.android.exoplayer2.transformer.Transformer.PROGRESS_STA
import static com.google.android.exoplayer2.transformer.Transformer.PROGRESS_STATE_WAITING_FOR_AVAILABILITY;
import static com.google.android.exoplayer2.util.Assertions.checkNotNull;
import static java.lang.Math.min;
import static java.lang.annotation.ElementType.TYPE_USE;
import android.content.Context;
import android.os.Handler;
import android.os.ParcelFileDescriptor;
import androidx.annotation.IntDef;
import androidx.annotation.Nullable;
import com.google.android.exoplayer2.C;
import com.google.android.exoplayer2.Format;
@ -44,6 +46,10 @@ import com.google.android.exoplayer2.util.HandlerWrapper;
import com.google.android.exoplayer2.util.MimeTypes;
import com.google.android.exoplayer2.util.Util;
import com.google.common.collect.ImmutableList;
import java.lang.annotation.Documented;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import java.util.ArrayList;
import java.util.List;
import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
@ -57,6 +63,28 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
void onTransformationError(TransformationException exception);
}
/**
* Represents a reason for ending a transformation. May be one of {@link
* #END_TRANSFORMATION_REASON_COMPLETED}, {@link #END_TRANSFORMATION_REASON_CANCELLED} or {@link
* #END_TRANSFORMATION_REASON_ERROR}.
*/
@Documented
@Retention(RetentionPolicy.SOURCE)
@Target(TYPE_USE)
@IntDef({
END_TRANSFORMATION_REASON_COMPLETED,
END_TRANSFORMATION_REASON_CANCELLED,
END_TRANSFORMATION_REASON_ERROR
})
public @interface EndTransformationReason {}
/** The transformation completed successfully. */
public static final int END_TRANSFORMATION_REASON_COMPLETED = 0;
/** The transformation was cancelled. */
public static final int END_TRANSFORMATION_REASON_CANCELLED = 1;
/** An error occurred during the transformation. */
public static final int END_TRANSFORMATION_REASON_ERROR = 2;
private final Context context;
private final TransformationRequest transformationRequest;
private final ImmutableList<AudioProcessor> audioProcessors;
@ -145,12 +173,13 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
/**
* Releases the resources.
*
* @param forCancellation Whether the reason for releasing the resources is the transformation
* cancellation.
* @throws TransformationException If the muxer is in the wrong state and {@code forCancellation}
* is false.
* @param endTransformationReason The {@linkplain EndTransformationReason reason} for ending the
* transformation.
* @throws TransformationException If the muxer is in the wrong state and {@code
* endTransformationReason} is not {@link #END_TRANSFORMATION_REASON_CANCELLED}.
*/
public void release(boolean forCancellation) throws TransformationException {
public void release(@EndTransformationReason int endTransformationReason)
throws TransformationException {
if (released) {
return;
}
@ -161,16 +190,20 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
clock.createHandler(exoPlayerAssetLoader.getPlaybackLooper(), /* callback= */ null);
playbackHandler.post(
() -> {
transformationResult =
new TransformationResult.Builder()
.setDurationMs(checkNotNull(muxerWrapper).getDurationMs())
.setAverageAudioBitrate(muxerWrapper.getTrackAverageBitrate(C.TRACK_TYPE_AUDIO))
.setAverageVideoBitrate(muxerWrapper.getTrackAverageBitrate(C.TRACK_TYPE_VIDEO))
.setVideoFrameCount(muxerWrapper.getTrackSampleCount(C.TRACK_TYPE_VIDEO))
.setFileSizeBytes(muxerWrapper.getCurrentOutputSizeBytes())
.build();
if (endTransformationReason == END_TRANSFORMATION_REASON_COMPLETED) {
transformationResult =
new TransformationResult.Builder()
.setDurationMs(checkNotNull(muxerWrapper).getDurationMs())
.setAverageAudioBitrate(muxerWrapper.getTrackAverageBitrate(C.TRACK_TYPE_AUDIO))
.setAverageVideoBitrate(muxerWrapper.getTrackAverageBitrate(C.TRACK_TYPE_VIDEO))
.setVideoFrameCount(muxerWrapper.getTrackSampleCount(C.TRACK_TYPE_VIDEO))
.setFileSizeBytes(muxerWrapper.getCurrentOutputSizeBytes())
.build();
}
try {
muxerWrapper.release(forCancellation);
muxerWrapper.release(
/* forCancellation= */ endTransformationReason
== END_TRANSFORMATION_REASON_CANCELLED);
} catch (Muxer.MuxerException e) {
releaseMuxerException =
TransformationException.createForMuxer(
@ -392,7 +425,10 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
() -> {
@Nullable TransformationException releaseException = null;
try {
release(/* forCancellation= */ false);
release(
transformationException == null
? END_TRANSFORMATION_REASON_COMPLETED
: END_TRANSFORMATION_REASON_ERROR);
} catch (TransformationException e) {
releaseException = e;
} catch (RuntimeException e) {