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Turn on HLS chunkless preparation by default.

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Using chunkless preparation greatly improves start up time if the master
playlist declares CODECS for the renditions. Hence, we turn this on
by default as it benefits most well-defined HLS master playlists.

The only known reason why developers may want to turn this feature off is
when the renditions contain muxed closed-caption tracks that are not
declared in the master playlist. So this change also updates the documentation
and RELEASENOTES to point out this caveat.

PiperOrigin-RevId: 413950036
This commit is contained in:
tonihei 2021-12-03 17:14:51 +00:00 committed by Ian Baker
parent fdc57d2d66
commit 546d9f592b
1 changed files with 1 additions and 0 deletions
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libraries/exoplayer_hls/src/main/java/androidx/media3/exoplayer/hls/HlsMediaSource.java
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@ -144,6 +144,7 @@ public final class HlsMediaSource extends BaseMediaSource
metadataType = METADATA_TYPE_ID3; metadataType = METADATA_TYPE_ID3;
streamKeys = Collections.emptyList(); streamKeys = Collections.emptyList();
elapsedRealTimeOffsetMs = C.TIME_UNSET; elapsedRealTimeOffsetMs = C.TIME_UNSET;
allowChunklessPreparation = true;
} }
/** /**