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Code Issues Releases Activity

avcodec/h264_parser: fix for possible overflow

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Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2016-09-14 21:14:07 +02:00
parent 01fa4fb69e
commit 92dbd65700
1 changed files with 2 additions and 2 deletions
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4
libavcodec/h264_parser.c
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@ -600,9 +600,9 @@ static int h264_parse(AVCodecParserContext *s,
}
if (s->dts_sync_point >= 0) {
int64_t den = avctx->time_base.den * avctx->pkt_timebase.num;
int64_t den = avctx->time_base.den * (int64_t)avctx->pkt_timebase.num;
if (den > 0) {
int64_t num = avctx->time_base.num * avctx->pkt_timebase.den;
int64_t num = avctx->time_base.num * (int64_t)avctx->pkt_timebase.den;
if (s->dts != AV_NOPTS_VALUE) {
// got DTS from the stream, update reference timestamp
p->reference_dts = s->dts - av_rescale(s->dts_ref_dts_delta, num, den);