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jpegls: fix off limit 

Fixes part of CID717913
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-10-13 03:49:11 +02:00
parent 9f9307ff2a
commit 4acfe3d193
1 changed files with 1 additions and 1 deletions
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libavcodec/jpeglsdec.c
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@ -295,7 +295,7 @@ int ff_jpegls_decode_picture(MJpegDecodeContext *s, int near, int point_transfor
} }
if(ilv == 0) { /* separate planes */ if(ilv == 0) { /* separate planes */
stride = (s->nb_components > 1) ? 3 : 1; stride = (s->nb_components > 1) ? 3 : 1;
off = av_clip(s->cur_scan - 1, 0, stride); off = av_clip(s->cur_scan - 1, 0, stride - 1);
width = s->width * stride; width = s->width * stride;
cur += off; cur += off;
for(i = 0; i < s->height; i++) { for(i = 0; i < s->height; i++) {