From 92dbd65700334ac9c77bf085fca7b72dd7445ffd Mon Sep 17 00:00:00 2001 From: Paul B Mahol Date: Wed, 14 Sep 2016 21:14:07 +0200 Subject: [PATCH] avcodec/h264_parser: fix for possible overflow Signed-off-by: Paul B Mahol --- libavcodec/h264_parser.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/h264_parser.c b/libavcodec/h264_parser.c index 4dacb22cc7..3ed7d77061 100644 --- a/libavcodec/h264_parser.c +++ b/libavcodec/h264_parser.c @@ -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);