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mmvideo/mm_decode_intra: check horizontal coordinate too 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-05-02 22:06:03 +02:00
parent 8d3c99e825
commit ae2132ac90
1 changed files with 3 additions and 0 deletions
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3
libavcodec/mmvideo.c
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@ -104,6 +104,9 @@ static int mm_decode_intra(MmContext * s, int half_horiz, int half_vert)
if (half_horiz)
run_length *=2;
if (run_length > s->avctx->width - x)
return AVERROR_INVALIDDATA;
if (color) {
memset(s->frame.data[0] + y*s->frame.linesize[0] + x, color, run_length);
if (half_vert)