From 01037451f932570efddaa935fc348a386373f57a Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Sat, 26 Jul 2008 18:54:26 +0000
Subject: [PATCH] Detect IDR less H.264 correctly. Fixes maybeH264_dumpvideo
Originally committed as revision 14424 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
libavformat/raw.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/libavformat/raw.c b/libavformat/raw.c
index dd4d0115df5..bb1345a0437 100644
--- a/libavformat/raw.c
+++ b/libavformat/raw.c
@@ -350,7 +350,7 @@ static int mpeg4video_probe(AVProbeData *probe_packet)
static int h264_probe(AVProbeData *p)
{
uint32_t code= -1;
- int sps=0, pps=0, idr=0, res=0;
+ int sps=0, pps=0, idr=0, res=0, sli=0;
int i;
for(i=0; i<p->buf_size; i++){
@@ -376,6 +376,7 @@ static int h264_probe(AVProbeData *p)
res++;
switch(type){
+ case 1: sli++; break;
case 5: idr++; break;
case 7:
if(p->buf[i+2]&0x0F)
@@ -386,7 +387,7 @@ static int h264_probe(AVProbeData *p)
}
}
}
- if(sps && pps && idr && res<(sps+pps+idr))
+ if(sps && pps && (idr||sli>3) && res<(sps+pps+idr))
return AVPROBE_SCORE_MAX/2+1; // +1 for .mpg
return 0;
}
--
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