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Fix valgrind invalid read on top MB rows with CODEC_FLAG_EMU_EDGE set.

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Originally committed as revision 26168 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Ronald S. Bultje 2010-12-30 14:33:21 +00:00
parent f6bf6e511d
commit 7148da489e
1 changed files with 2 additions and 1 deletions
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libavcodec/vp8.c
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@ -1104,7 +1104,8 @@ void intra_predict(VP8Context *s, uint8_t *dst[3], VP8Macroblock *mb,
// if we're on the right edge of the frame, said edge is extended
// from the top macroblock
if (mb_x == s->mb_width-1) {
if (!(!mb_y && avctx->flags & CODEC_FLAG_EMU_EDGE) &&
mb_x == s->mb_width-1) {
tr = tr_right[-1]*0x01010101;
tr_right = (uint8_t *)&tr;
}