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rv34: check image size before using it

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fixes assertion failure

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-11-16 03:46:35 +01:00
parent 7845f8d282
commit 68def00a63
1 changed files with 4 additions and 0 deletions
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4
libavcodec/rv34.c
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@ -24,6 +24,7 @@
* RV30/40 decoder common data
*/
#include "libavutil/imgutils.h"
#include "libavutil/internal.h"
#include "avcodec.h"
@ -1661,6 +1662,9 @@ int ff_rv34_decode_frame(AVCodecContext *avctx,
av_log(s->avctx, AV_LOG_WARNING, "Changing dimensions to %dx%d\n",
si.width, si.height);
if (av_image_check_size(si.width, si.height, 0, s->avctx))
return AVERROR_INVALIDDATA;
s->width = si.width;
s->height = si.height;
avcodec_set_dimensions(s->avctx, s->width, s->height);