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VIDEO: Workaround for out of buffer accesses in SVQ1 codec.

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This is a temporary workaround during development.
Keyframe (I) decoding is now working correctly, but Deltaframe (P) is
still giving corrupted output...
This commit is contained in:
D G Turner 2012-04-05 12:50:36 +01:00
parent d15ff5a03e
commit 7109e26d04
1 changed files with 5 additions and 3 deletions
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8
video/codecs/svq1.cpp
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@ -283,9 +283,11 @@ const Graphics::Surface *SVQ1Decoder::decodeImage(Common::SeekableReadStream *st
}
byte *current[3];
current[0] = new byte[_width*_height];
current[1] = new byte[(_width/4)*(_height/4)];
current[2] = new byte[(_width/4)*(_height/4)];
// FIXME - Added extra _width of 16px blocks to stop out of
// range access causing crashes. Need to correct code...
current[0] = new byte[_width*_height +(_width*16)];
current[1] = new byte[(_width/4)*(_height/4) +(_width/4*16)];
current[2] = new byte[(_width/4)*(_height/4) +(_width/4*16)];
// Decode Y, U and V component planes
for (int i = 0; i < 3; i++) {