From e0b2bdd37a019360117528dc08e8d16e8d83c08b Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sat, 26 Oct 2013 15:46:43 +0200 Subject: [PATCH] avcodec/h264_parser: heuristically detect non marked keyframes Fixes Ticket3083 Signed-off-by: Michael Niedermayer --- libavcodec/h264_parser.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/h264_parser.c b/libavcodec/h264_parser.c index 4e29f5cbd5..0c426ddabc 100644 --- a/libavcodec/h264_parser.c +++ b/libavcodec/h264_parser.c @@ -309,6 +309,9 @@ static inline int parse_nal_units(AVCodecParserContext *s, h->sps = *h->sps_buffers[h->pps.sps_id]; h->frame_num = get_bits(&h->gb, h->sps.log2_max_frame_num); + if(h->sps.ref_frame_count <= 1 && h->pps.ref_count[0] <= 1 && s->pict_type == AV_PICTURE_TYPE_I) + s->key_frame = 1; + avctx->profile = ff_h264_get_profile(&h->sps); avctx->level = h->sps.level_idc;