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Code Issues Releases Activity

Fix another sechole.

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Originally committed as revision 16344 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2008-12-26 17:51:10 +00:00
parent 2a522579aa
commit 11c5999e20
1 changed files with 6 additions and 6 deletions
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12
libavcodec/faxcompr.c
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@ -123,9 +123,10 @@ av_cold void ff_ccitt_unpack_init()
static int decode_group3_1d_line(AVCodecContext *avctx, GetBitContext *gb,
int pix_left, int *runs, const int *runend)
unsigned int pix_left, int *runs, const int *runend)
{
int mode = 0, run = 0;
int mode = 0;
unsigned int run=0;
unsigned int t;
for(;;){
t = get_vlc2(gb, ccitt_vlc[mode].table, 9, 2);
@ -136,14 +137,13 @@ static int decode_group3_1d_line(AVCodecContext *avctx, GetBitContext *gb,
av_log(avctx, AV_LOG_ERROR, "Run overrun\n");
return -1;
}
pix_left -= run;
if(pix_left <= 0){
if(!pix_left)
if(pix_left <= run){
if(pix_left == run)
break;
runs[-1] += pix_left;
av_log(avctx, AV_LOG_ERROR, "Run went out of bounds\n");
return -1;
}
pix_left -= run;
run = 0;
mode = !mode;
}else if((int)t == -1){