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Remove null-ness of muxedCaptionFormats list

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Pre-work for removing HlsMasterPlaylist and HlsPlaylistParser from null-checking
blacklist.

PiperOrigin-RevId: 274585117
This commit is contained in:
ibaker 2019-10-14 16:36:59 +01:00 committed by Oliver Woodman
parent ce6252151a
commit fdfe631850
5 changed files with 9 additions and 16 deletions
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6
library/hls/src/main/java/com/google/android/exoplayer2/source/hls/HlsMediaPeriod.java
View file

@ -635,10 +635,8 @@ public final class HlsMediaPeriod implements MediaPeriod, HlsSampleStreamWrapper
/* isPrimaryTrackInVariant= */ false)));
}
List<Format> ccFormats = masterPlaylist.muxedCaptionFormats;
if (ccFormats != null) {
for (int i = 0; i < ccFormats.size(); i++) {
muxedTrackGroups.add(new TrackGroup(ccFormats.get(i)));
}
for (int i = 0; i < ccFormats.size(); i++) {
muxedTrackGroups.add(new TrackGroup(ccFormats.get(i)));
}
} else if (variantsContainAudioCodecs) {
// Variants only contain audio.

8
library/hls/src/main/java/com/google/android/exoplayer2/source/hls/playlist/HlsMasterPlaylist.java
View file

@ -177,8 +177,7 @@ public final class HlsMasterPlaylist extends HlsPlaylist {
@Nullable public final Format muxedAudioFormat;
/**
* The format of the closed captions declared by the playlist. May be empty if the playlist
* explicitly declares no captions are available, or null if the playlist does not declare any
* captions information.
* doesn't declare any caption information or explicitly declares no captions are available.
*/
public final List<Format> muxedCaptionFormats;
/** Contains variable definitions, as defined by the #EXT-X-DEFINE tag. */
@ -223,8 +222,7 @@ public final class HlsMasterPlaylist extends HlsPlaylist {
this.subtitles = Collections.unmodifiableList(subtitles);
this.closedCaptions = Collections.unmodifiableList(closedCaptions);
this.muxedAudioFormat = muxedAudioFormat;
this.muxedCaptionFormats = muxedCaptionFormats != null
? Collections.unmodifiableList(muxedCaptionFormats) : null;
this.muxedCaptionFormats = Collections.unmodifiableList(muxedCaptionFormats);
this.variableDefinitions = Collections.unmodifiableMap(variableDefinitions);
this.sessionKeyDrmInitData = Collections.unmodifiableList(sessionKeyDrmInitData);
}
@ -266,7 +264,7 @@ public final class HlsMasterPlaylist extends HlsPlaylist {
/* subtitles= */ Collections.emptyList(),
/* closedCaptions= */ Collections.emptyList(),
/* muxedAudioFormat= */ null,
/* muxedCaptionFormats= */ null,
/* muxedCaptionFormats= */ Collections.emptyList(),
/* hasIndependentSegments= */ false,
/* variableDefinitions= */ Collections.emptyMap(),
/* sessionKeyDrmInitData= */ Collections.emptyList());

7
library/hls/src/main/java/com/google/android/exoplayer2/source/hls/playlist/HlsPlaylistParser.java
View file

@ -267,7 +267,7 @@ public final class HlsPlaylistParser implements ParsingLoadable.Parser<HlsPlayli
ArrayList<DrmInitData> sessionKeyDrmInitData = new ArrayList<>();
ArrayList<String> tags = new ArrayList<>();
Format muxedAudioFormat = null;
List<Format> muxedCaptionFormats = null;
List<Format> muxedCaptionFormats = new ArrayList<>();
boolean noClosedCaptions = false;
boolean hasIndependentSegmentsTag = false;
@ -494,9 +494,6 @@ public final class HlsPlaylistParser implements ParsingLoadable.Parser<HlsPlayli
mimeType = MimeTypes.APPLICATION_CEA708;
accessibilityChannel = Integer.parseInt(instreamId.substring(7));
}
if (muxedCaptionFormats == null) {
muxedCaptionFormats = new ArrayList<>();
}
muxedCaptionFormats.add(
Format.createTextContainerFormat(
/* id= */ formatId,
@ -518,7 +515,7 @@ public final class HlsPlaylistParser implements ParsingLoadable.Parser<HlsPlayli
}
if (noClosedCaptions) {
muxedCaptionFormats = Collections.emptyList();
muxedCaptionFormats.clear();
}
return new HlsMasterPlaylist(

2
library/hls/src/test/java/com/google/android/exoplayer2/source/hls/playlist/HlsMasterPlaylistParserTest.java
View file

@ -200,7 +200,7 @@ public class HlsMasterPlaylistParserTest {
List<HlsMasterPlaylist.Variant> variants = masterPlaylist.variants;
assertThat(variants).hasSize(5);
assertThat(masterPlaylist.muxedCaptionFormats).isNull();
assertThat(masterPlaylist.muxedCaptionFormats).isEmpty();
assertThat(variants.get(0).format.bitrate).isEqualTo(1280000);
assertThat(variants.get(0).format.codecs).isEqualTo("mp4a.40.2,avc1.66.30");

2
library/hls/src/test/java/com/google/android/exoplayer2/source/hls/playlist/HlsMediaPlaylistParserTest.java
View file

@ -456,7 +456,7 @@ public class HlsMediaPlaylistParserTest {
/* subtitles= */ Collections.emptyList(),
/* closedCaptions= */ Collections.emptyList(),
/* muxedAudioFormat= */ null,
/* muxedCaptionFormats= */ null,
/* muxedCaptionFormats= */ Collections.emptyList(),
/* hasIndependentSegments= */ true,
/* variableDefinitions= */ Collections.emptyMap(),
/* sessionKeyDrmInitData= */ Collections.emptyList());