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jpegls: fix off limit

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Fixes part of CID717913
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 4acfe3d193)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2012-10-13 03:49:11 +02:00
parent c09b4dde37
commit fa73f547a0
1 changed files with 1 additions and 1 deletions
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libavcodec/jpeglsdec.c
+1 -1
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@@ -290,7 +290,7 @@ int ff_jpegls_decode_picture(MJpegDecodeContext *s, int near, int point_transfor
// av_log(s->avctx, AV_LOG_DEBUG, "JPEG params: ILV=%i Pt=%i BPP=%i, scan = %i\n", ilv, point_transform, s->bits, s->cur_scan);
if(ilv == 0) { /* separate planes */
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;
cur += off;
for(i = 0; i < s->height; i++) {