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nuv: validate image size

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Avoid a division by zero.

CC: libav-stable@libav.org
Bug-Id: CID 717750
This commit is contained in:
Vittorio Giovara 2015-01-23 15:03:09 +00:00
parent 7c51d79ca7
commit e71149a7a5
1 changed files with 5 additions and 0 deletions
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5
libavformat/nuv.c
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@ -20,6 +20,7 @@
*/
#include "libavutil/channel_layout.h"
#include "libavutil/imgutils.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/intfloat.h"
#include "avformat.h"
@ -188,6 +189,10 @@ static int nuv_header(AVFormatContext *s)
return AVERROR(ENOMEM);
ctx->v_id = vst->index;
ret = av_image_check_size(width, height, 0, ctx);
if (ret < 0)
return ret;
vst->codec->codec_type = AVMEDIA_TYPE_VIDEO;
vst->codec->codec_id = AV_CODEC_ID_NUV;
vst->codec->width = width;