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Add subtitle parsing support in HLS for TS files

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PiperOrigin-RevId: 582714493
This commit is contained in:
jbibik 2023-11-15 09:57:21 -08:00 committed by Copybara-Service
parent d5fbf0007b
commit b750ad50f9
2 changed files with 10 additions and 8 deletions
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2
RELEASENOTES.md
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@ -72,8 +72,6 @@
* Add experimental support for parsing subtitles during extraction. You * Add experimental support for parsing subtitles during extraction. You
can enable this using can enable this using
`HlsMediaSource.Factory.experimentalParseSubtitlesDuringExtraction()`. `HlsMediaSource.Factory.experimentalParseSubtitlesDuringExtraction()`.
This works for standalone WebVTT subtitles and IMSC1 subtitles muxed
into MP4.
* DASH Extension: * DASH Extension:
* Extend experimental support for parsing subtitles during extraction to * Extend experimental support for parsing subtitles during extraction to
work with standalone text files (previously it only worked with work with standalone text files (previously it only worked with

16
libraries/exoplayer_hls/src/main/java/androidx/media3/exoplayer/hls/DefaultHlsExtractorFactory.java
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@ -207,12 +207,16 @@ public final class DefaultHlsExtractorFactory implements HlsExtractorFactory {
? new SubtitleTranscodingExtractor(mp4Extractor, subtitleParserFactory) ? new SubtitleTranscodingExtractor(mp4Extractor, subtitleParserFactory)
: mp4Extractor; : mp4Extractor;
case FileTypes.TS: case FileTypes.TS:
return createTsExtractor( Extractor tsExtractor =
payloadReaderFactoryFlags, createTsExtractor(
exposeCea608WhenMissingDeclarations, payloadReaderFactoryFlags,
format, exposeCea608WhenMissingDeclarations,
muxedCaptionFormats, format,
timestampAdjuster); muxedCaptionFormats,
timestampAdjuster);
return subtitleParserFactory != null
? new SubtitleTranscodingExtractor(tsExtractor, subtitleParserFactory)
: tsExtractor;
default: default:
return null; return null;
} }