From e0b2bdd37a019360117528dc08e8d16e8d83c08b Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
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 <michaelni@gmx.at>
---
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;