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Fix usage of ParsableByteArray in PgsDecoder

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This is a partial revert of
46598a46fd

The change from reset(int) to setPosition/Limit() in this file was
incorrect, the reset(int) call is important because it ensures
`bitmapData` is large enough for the `buffer.readBytes` call on L188.

Issue: #8417
PiperOrigin-RevId: 351110038
This commit is contained in:
ibaker 2021-01-11 10:22:27 +00:00 committed by Ian Baker
parent ba1ebe7844
commit 361e80f40c
1 changed files with 1 additions and 2 deletions
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3
library/core/src/main/java/com/google/android/exoplayer2/text/pgs/PgsDecoder.java
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@ -177,8 +177,7 @@ public final class PgsDecoder extends SimpleSubtitleDecoder {
} }
bitmapWidth = buffer.readUnsignedShort(); bitmapWidth = buffer.readUnsignedShort();
bitmapHeight = buffer.readUnsignedShort(); bitmapHeight = buffer.readUnsignedShort();
bitmapData.setPosition(0); bitmapData.reset(totalLength - 4);
bitmapData.setLimit(totalLength - 4);
sectionLength -= 7; sectionLength -= 7;
} }