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Deprecate SingleSampleMediaChunk

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This is only used as part of legacy subtitle decoding. If any apps are
using it directly (rather than via `DashMediaSource` or `SsMediaSource`)
they probably need to enable legacy decoding in `TextRenderer` to avoid
playback failures.

PiperOrigin-RevId: 663740343
This commit is contained in:
ibaker 2024-08-16 08:33:05 -07:00 committed by Copybara-Service
parent 91a95e23c9
commit 3600d04719
2 changed files with 13 additions and 1 deletions
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11
libraries/exoplayer/src/main/java/androidx/media3/exoplayer/source/chunk/SingleSampleMediaChunk.java
View File

@ -22,13 +22,22 @@ import androidx.media3.common.util.UnstableApi;
import androidx.media3.datasource.DataSource;
import androidx.media3.datasource.DataSourceUtil;
import androidx.media3.datasource.DataSpec;
import androidx.media3.exoplayer.ExoPlayer;
import androidx.media3.exoplayer.text.TextRenderer;
import androidx.media3.extractor.DefaultExtractorInput;
import androidx.media3.extractor.ExtractorInput;
import androidx.media3.extractor.TrackOutput;
import java.io.IOException;
/** A {@link BaseMediaChunk} for chunks consisting of a single raw sample. */
/**
* @deprecated The only use for this class is subtitle playback, but it is only compatible with
* legacy subtitle decoding, which is not supported by default. Users of this class almost
* certainly need to {@linkplain TextRenderer#experimentalSetLegacyDecodingEnabled(boolean)
* enable legacy subtitle decoding} on their {@link ExoPlayer} instance in order to avoid
* playback errors when trying to play subtitles.
*/
@UnstableApi
@Deprecated
public final class SingleSampleMediaChunk extends BaseMediaChunk {
private final @C.TrackType int trackType;

3
libraries/exoplayer_dash/src/main/java/androidx/media3/exoplayer/dash/DefaultDashChunkSource.java
View File

@ -762,6 +762,9 @@ public class DefaultDashChunkSource implements DashChunkSource {
representationHolder.chunkExtractor);
}
// TODO: b/289983417 - Stop using deprecated SingleSampleMediaChunk when legacy subtitle decoding
// is no longer supported.
@SuppressWarnings("deprecation")
protected Chunk newMediaChunk(
RepresentationHolder representationHolder,
DataSource dataSource,