[SCM] libav/experimental: 10l (fix reordering when B-frames are not present)

siretart at users.alioth.debian.org siretart at users.alioth.debian.org
Sun Jun 30 15:43:15 UTC 2013


The following commit has been merged in the experimental branch:
commit a18030bb622872aa46cf82ed4094fa178e1d1635
Author: Loren Merritt <lorenm at u.washington.edu>
Date:   Sat Mar 5 00:14:21 2005 +0000

    10l (fix reordering when B-frames are not present)
    
    Originally committed as revision 4004 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index d53b91d..a059449 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -6310,7 +6310,8 @@ static int decode_nal_units(H264Context *h, uint8_t *buf, int buf_size){
             if(s->flags& CODEC_FLAG_LOW_DELAY)
                 s->low_delay=1;
       
-            avctx->has_b_frames= !s->low_delay;
+            if(avctx->has_b_frames < 2)
+                avctx->has_b_frames= !s->low_delay;
             break;
         case NAL_PPS:
             init_get_bits(&s->gb, ptr, bit_length);
@@ -6470,6 +6471,9 @@ static int decode_frame(AVCodecContext *avctx,
             }
         if(cur->reference == 0)
             cur->reference = 1;
+        for(i=0; h->delayed_pic[i]; i++)
+            if(h->delayed_pic[i]->key_frame)
+                h->delayed_output_poc = -1;
         if(pics > FFMAX(1, s->avctx->has_b_frames)){
             if(out->reference == 1)
                 out->reference = 0;
@@ -6477,10 +6481,6 @@ static int decode_frame(AVCodecContext *avctx,
                 h->delayed_pic[i] = h->delayed_pic[i+1];
         }
 
-        for(i=0; h->delayed_pic[i]; i++)
-            if(h->delayed_pic[i]->key_frame)
-                h->delayed_output_poc = -1;
-
         if((h->delayed_output_poc >=0 && h->delayed_output_poc > cur->poc)
           || (s->low_delay && (cur->pict_type == B_TYPE
               || (!h->sps.gaps_in_frame_num_allowed_flag

-- 
Libav/FFmpeg packaging



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