From d464bceff2c9a9106f81c5c060596a92dfbb7fad Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Thu, 18 Sep 2008 15:13:15 +0000
Subject: [PATCH] Ensure that extradata is not parsed twice. Fixes
 FRExt1_Panasonic.

Originally committed as revision 15361 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/h264.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index 758d8f576e..30cf9652c2 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -7547,9 +7547,10 @@ static int decode_frame(AVCodecContext *avctx,
         h->got_avcC = 1;
     }
 
-    if(avctx->frame_number==0 && !h->is_avc && s->avctx->extradata_size){
+    if(!h->got_avcC && !h->is_avc && s->avctx->extradata_size){
         if(decode_nal_units(h, s->avctx->extradata, s->avctx->extradata_size) < 0)
             return -1;
+        h->got_avcC = 1;
     }
 
     buf_index=decode_nal_units(h, buf, buf_size);