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Add setSequences method to Composition.Builder

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For pause and resume feature, we need to buildUpon the
original composition and then set the modified sequences.

PiperOrigin-RevId: 559723694
This commit is contained in:
sheenachhabra 2023-08-24 05:32:10 -07:00 committed by Copybara-Service
parent 2eafa570e9
commit a6f9fefb88
1 changed files with 33 additions and 18 deletions
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51
libraries/transformer/src/main/java/androidx/media3/transformer/Composition.java
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@ -42,24 +42,13 @@ public final class Composition {
/** A builder for {@link Composition} instances. */ /** A builder for {@link Composition} instances. */
public static final class Builder { public static final class Builder {
private final ImmutableList<EditedMediaItemSequence> sequences; private ImmutableList<EditedMediaItemSequence> sequences;
private Effects effects; private Effects effects;
private boolean forceAudioTrack; private boolean forceAudioTrack;
private boolean transmuxAudio; private boolean transmuxAudio;
private boolean transmuxVideo; private boolean transmuxVideo;
private @HdrMode int hdrMode; private @HdrMode int hdrMode;
/** Creates a new instance to build upon the provided {@link Composition}. */
private Builder(Composition composition) {
sequences = composition.sequences;
effects = composition.effects;
forceAudioTrack = composition.forceAudioTrack;
transmuxAudio = composition.transmuxAudio;
transmuxVideo = composition.transmuxVideo;
hdrMode = composition.hdrMode;
}
/** /**
* Creates an instance. * Creates an instance.
* *
@ -72,9 +61,8 @@ public final class Composition {
/** /**
* Creates an instance. * Creates an instance.
* *
* @param sequences The {@link EditedMediaItemSequence} instances to compose. {@link MediaItem} * @param sequences The {@link EditedMediaItemSequence} instances to compose. The list must be
* instances from different sequences that are overlapping in time will be mixed in the * non empty. See {@link Composition#sequences} for more details.
* output. This list must not be empty.
*/ */
public Builder(List<EditedMediaItemSequence> sequences) { public Builder(List<EditedMediaItemSequence> sequences) {
checkArgument( checkArgument(
@ -84,6 +72,16 @@ public final class Composition {
effects = Effects.EMPTY; effects = Effects.EMPTY;
} }
/** Creates a new instance to build upon the provided {@link Composition}. */
private Builder(Composition composition) {
sequences = composition.sequences;
effects = composition.effects;
forceAudioTrack = composition.forceAudioTrack;
transmuxAudio = composition.transmuxAudio;
transmuxVideo = composition.transmuxVideo;
hdrMode = composition.hdrMode;
}
/** /**
* Sets the {@link Effects} to apply to the {@link Composition}. * Sets the {@link Effects} to apply to the {@link Composition}.
* *
@ -194,7 +192,7 @@ public final class Composition {
* *
* <p>The default value is {@link #HDR_MODE_KEEP_HDR}. Apps that need to tone-map HDR to SDR * <p>The default value is {@link #HDR_MODE_KEEP_HDR}. Apps that need to tone-map HDR to SDR
* should generally prefer {@link #HDR_MODE_TONE_MAP_HDR_TO_SDR_USING_OPEN_GL} over {@link * should generally prefer {@link #HDR_MODE_TONE_MAP_HDR_TO_SDR_USING_OPEN_GL} over {@link
* HDR_MODE_TONE_MAP_HDR_TO_SDR_USING_MEDIACODEC}, because its behavior is likely to be more * #HDR_MODE_TONE_MAP_HDR_TO_SDR_USING_MEDIACODEC}, because its behavior is likely to be more
* consistent across devices. * consistent across devices.
* *
* @param hdrMode The {@link HdrMode} used. * @param hdrMode The {@link HdrMode} used.
@ -211,6 +209,22 @@ public final class Composition {
return new Composition( return new Composition(
sequences, effects, forceAudioTrack, transmuxAudio, transmuxVideo, hdrMode); sequences, effects, forceAudioTrack, transmuxAudio, transmuxVideo, hdrMode);
} }
/**
* Sets {@link Composition#sequences}.
*
* @param sequences The {@link EditedMediaItemSequence} instances to compose. The list must not
* be empty.
* @return This builder.
*/
@CanIgnoreReturnValue
/* package */ Builder setSequences(List<EditedMediaItemSequence> sequences) {
checkArgument(
!sequences.isEmpty(),
"The composition must contain at least one EditedMediaItemSequence.");
this.sequences = ImmutableList.copyOf(sequences);
return this;
}
} }
/** /**
@ -290,7 +304,8 @@ public final class Composition {
/** /**
* The {@link EditedMediaItemSequence} instances to compose. * The {@link EditedMediaItemSequence} instances to compose.
* *
* <p>For more information, see {@link Builder#Builder(List)}. * <p>{@link MediaItem} instances from different sequences that are overlapping in time will be
* mixed in the output.
*/ */
public final ImmutableList<EditedMediaItemSequence> sequences; public final ImmutableList<EditedMediaItemSequence> sequences;
@ -326,7 +341,7 @@ public final class Composition {
public final @HdrMode int hdrMode; public final @HdrMode int hdrMode;
/** Returns a {@link Composition.Builder} initialized with the values of this instance. */ /** Returns a {@link Composition.Builder} initialized with the values of this instance. */
public Builder buildUpon() { /* package */ Builder buildUpon() {
return new Builder(this); return new Builder(this);
} }