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lavc/rawdec: add assertion check in raw_decode()

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Check on an implicit assumption done on the number of coded bits for
paletted rawvideo with coded bits == 2.
This commit is contained in:
Stefano Sabatini 2012-06-25 18:56:46 +02:00
parent 17a54f5de8
commit ab7dbdc92c
1 changed files with 2 additions and 0 deletions
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2
libavcodec/rawdec.c
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@ -27,6 +27,7 @@
#include "avcodec.h"
#include "imgconvert.h"
#include "raw.h"
#include "libavutil/avassert.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/imgutils.h"
#include "libavutil/opt.h"
@ -179,6 +180,7 @@ static int raw_decode(AVCodecContext *avctx,
}
linesize_align = 8;
} else {
av_assert0(avctx->bits_per_coded_sample == 2);
for(i=0; 4*i+3 < buf_size && i<avpkt->size; i++){
dst[4*i+0]= buf[i]>>6;
dst[4*i+1]= buf[i]>>4&3;