[FFmpeg-cvslog] r17413 - in trunk/libavcodec: h264.c h264.h

[cehoyos]

Author: cehoyos
Date: Wed Feb 18 01:38:10 2009
New Revision: 17413

Log:
Parse cbp_removal_delay in SEI picture structure.

Patch by Ivan Schreter, schreter gmx net

Modified:
   trunk/libavcodec/h264.c
   trunk/libavcodec/h264.h

Modified: trunk/libavcodec/h264.c
==============================================================================
--- trunk/libavcodec/h264.c	Wed Feb 18 01:36:07 2009	(r17412)
+++ trunk/libavcodec/h264.c	Wed Feb 18 01:38:10 2009	(r17413)
@@ -2210,6 +2210,7 @@ static av_cold int decode_init(AVCodecCo
     h->prev_poc_msb= 1<<16;
     h->sei_recovery_frame_cnt = -1;
     h->sei_dpb_output_delay = 0;
+    h->sei_cpb_removal_delay = -1;
     return 0;
 }
 
@@ -3146,6 +3147,7 @@ static void flush_dpb(AVCodecContext *av
     h->s.first_field= 0;
     h->sei_recovery_frame_cnt = -1;
     h->sei_dpb_output_delay = 0;
+    h->sei_cpb_removal_delay = -1;
     ff_mpeg_flush(avctx);
 }
 
@@ -6783,7 +6785,7 @@ static int decode_slice(struct AVCodecCo
 static int decode_picture_timing(H264Context *h){
     MpegEncContext * const s = &h->s;
     if(h->sps.nal_hrd_parameters_present_flag || h->sps.vcl_hrd_parameters_present_flag){
-        skip_bits(&s->gb, h->sps.cpb_removal_delay_length); /* cpb_removal_delay */
+        h->sei_cpb_removal_delay = get_bits(&s->gb, h->sps.cpb_removal_delay_length);
         h->sei_dpb_output_delay = get_bits(&s->gb, h->sps.dpb_output_delay_length);
     }
     if(h->sps.pic_struct_present_flag){
@@ -7694,6 +7696,7 @@ static int decode_frame(AVCodecContext *
         MPV_frame_end(s);
         h->sei_recovery_frame_cnt = -1;
         h->sei_dpb_output_delay = 0;
+        h->sei_cpb_removal_delay = -1;
 
         if (cur->field_poc[0]==INT_MAX || cur->field_poc[1]==INT_MAX) {
             /* Wait for second field. */

Modified: trunk/libavcodec/h264.h
==============================================================================
--- trunk/libavcodec/h264.h	Wed Feb 18 01:36:07 2009	(r17412)
+++ trunk/libavcodec/h264.h	Wed Feb 18 01:38:10 2009	(r17413)
@@ -507,6 +507,11 @@ typedef struct H264Context{
     int sei_dpb_output_delay;
 
     /**
+     * cpb_removal_delay in picture timing SEI message, see H.264 C.1.2
+     */
+    int sei_cpb_removal_delay;
+
+    /**
      * recovery_frame_cnt from SEI message
      *
      * Set to -1 if no recovery point SEI message found or to number of frames