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Check dimensions to avoid division by zero due to invalid new dimensions. 

Partially fixes http://bugzilla.mplayerhq.hu/show_bug.cgi?id=773.

Originally committed as revision 8321 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Reimar Döffinger 2007-03-11 09:16:11 +00:00
parent 09d9672ad6
commit 284ad8a4f0
1 changed files with 2 additions and 0 deletions
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2
libavcodec/rv10.c
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@ -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;