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error_conceal: fix FPE in guess_dc() with huge sizes.

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Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-03-23 05:21:10 +01:00
parent ac2cb27916
commit cc415956a4
1 changed files with 1 additions and 1 deletions
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2
libavcodec/error_resilience.c
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@ -174,7 +174,7 @@ static void guess_dc(MpegEncContext *s, int16_t *dc, int w,
{ {
int b_x, b_y; int b_x, b_y;
int16_t (*col )[4] = av_malloc(stride*h*sizeof( int16_t)*4); int16_t (*col )[4] = av_malloc(stride*h*sizeof( int16_t)*4);
uint16_t (*dist)[4] = av_malloc(stride*h*sizeof(uint16_t)*4); uint32_t (*dist)[4] = av_malloc(stride*h*sizeof(uint32_t)*4);
for(b_y=0; b_y<h; b_y++){ for(b_y=0; b_y<h; b_y++){
int color= 1024; int color= 1024;