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Allow overridable empty closed caption format list in DefaultTsPayloadReaderFactory

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Issue:#4451

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=202923630
This commit is contained in:
aquilescanta 2018-07-02 03:17:38 -07:00 committed by Oliver Woodman
parent c23910ad3a
commit caa90844c6
2 changed files with 9 additions and 6 deletions
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9
library/core/src/main/java/com/google/android/exoplayer2/extractor/ts/DefaultTsPayloadReaderFactory.java
View file

@ -61,7 +61,10 @@ public final class DefaultTsPayloadReaderFactory implements TsPayloadReader.Fact
* readers.
*/
public DefaultTsPayloadReaderFactory(@Flags int flags) {
this(flags, Collections.<Format>emptyList());
this(
flags,
Collections.singletonList(
Format.createTextSampleFormat(null, MimeTypes.APPLICATION_CEA608, 0, null)));
}
/**
@ -76,10 +79,6 @@ public final class DefaultTsPayloadReaderFactory implements TsPayloadReader.Fact
*/
public DefaultTsPayloadReaderFactory(@Flags int flags, List<Format> closedCaptionFormats) {
this.flags = flags;
if (!isSet(FLAG_OVERRIDE_CAPTION_DESCRIPTORS) && closedCaptionFormats.isEmpty()) {
closedCaptionFormats = Collections.singletonList(Format.createTextSampleFormat(null,
MimeTypes.APPLICATION_CEA608, 0, null));
}
this.closedCaptionFormats = closedCaptionFormats;
}

6
library/hls/src/main/java/com/google/android/exoplayer2/source/hls/DefaultHlsExtractorFactory.java
View file

@ -93,7 +93,11 @@ public final class DefaultHlsExtractorFactory implements HlsExtractorFactory {
// The playlist declares closed caption renditions, we should ignore descriptors.
esReaderFactoryFlags |= DefaultTsPayloadReaderFactory.FLAG_OVERRIDE_CAPTION_DESCRIPTORS;
} else {
muxedCaptionFormats = Collections.emptyList();
// The playlist does not provide any closed caption information. We preemptively declare a
// closed caption track on channel 0.
muxedCaptionFormats =
Collections.singletonList(
Format.createTextSampleFormat(null, MimeTypes.APPLICATION_CEA608, 0, null));
}
String codecs = format.codecs;
if (!TextUtils.isEmpty(codecs)) {