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Check dimensions to avoid division by zero due to invalid new dimensions.
author
Reimar Döffinger
<Reimar.Doeffinger@gmx.de>
Sun, 11 Mar 2007 09:16:11 +0000
(09:16 +0000)
committer
Reimar Döffinger
<Reimar.Doeffinger@gmx.de>
Sun, 11 Mar 2007 09:16:11 +0000
(09:16 +0000)
Partially fixes http://bugzilla.mplayerhq.hu/show_bug.cgi?id=773.
Originally committed as revision 8321 to svn://svn.ffmpeg.org/ffmpeg/trunk
libavcodec/rv10.c
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diff --git
a/libavcodec/rv10.c
b/libavcodec/rv10.c
index
af438a3
..
e1e8287
100644
(file)
--- a/
libavcodec/rv10.c
+++ b/
libavcodec/rv10.c
@@
-454,6
+454,8
@@
static int rv20_decode_picture_header(MpegEncContext *s)
}
if(new_w != s->width || new_h != s->height){
av_log(s->avctx, AV_LOG_DEBUG, "attempting to change resolution to %dx%d\n", new_w, new_h);
+ if (avcodec_check_dimensions(s->avctx, new_h, new_w) < 0)
+ return -1;
MPV_common_end(s);
s->width = s->avctx->width = new_w;
s->height = s->avctx->height= new_h;