generic-library/ffmpeg
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Fixes issue 890: OOM with zmbv file

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Oana Stratulat
2012-01-11 00:01:09 +02:00
committed by Michael Niedermayer
parent 44e191457a
commit a63a86fd6f
1 changed files with 4 additions and 0 deletions
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4
libavformat/avidec.c
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@@ -544,6 +544,10 @@ static int avi_read_header(AVFormatContext *s, AVFormatParameters *ap)
st->start_time = 0;
avio_rl32(pb); /* buffer size */
avio_rl32(pb); /* quality */
if (ast->cum_len*ast->scale/ast->rate > 3600) {
av_log(s, AV_LOG_ERROR, "crazy start time, iam scared, giving up\n");
return AVERROR_INVALIDDATA;
}
ast->sample_size = avio_rl32(pb); /* sample ssize */
ast->cum_len *= FFMAX(1, ast->sample_size);
// av_log(s, AV_LOG_DEBUG, "%d %d %d %d\n", ast->rate, ast->scale, ast->start, ast->sample_size);