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avformat/avienc: Check video dimensions

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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2022-07-03 14:05:13 +02:00
parent b4431399ec
commit ba0c3d1db4
1 changed files with 4 additions and 0 deletions
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4
libavformat/avienc.c
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@ -426,6 +426,10 @@ static int avi_write_header(AVFormatContext *s)
avio_wl32(pb, -1); /* quality */
avio_wl32(pb, au_ssize); /* sample size */
avio_wl32(pb, 0);
if (par->width > 65535 || par->height > 65535) {
av_log(s, AV_LOG_ERROR, "%dx%d dimensions are too big\n", par->width, par->height);
return AVERROR(EINVAL);
}
avio_wl16(pb, par->width);
avio_wl16(pb, par->height);
ff_end_tag(pb, strh);