fixing CODEC_FLAG_GLOBAL_HEADER

Originally committed as revision 2167 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/h263.c

@@ -69,6 +69,8 @@ static int h263_pred_dc(MpegEncContext * s, int n, uint16_t **dc_val_ptr);
 #ifdef CONFIG_ENCODERS
 static void mpeg4_inv_pred_ac(MpegEncContext * s, DCTELEM *block, int n,
                               int dir);
+static void mpeg4_encode_visual_object_header(MpegEncContext * s);
+static void mpeg4_encode_vol_header(MpegEncContext * s, int vo_number, int vol_number);
 #endif //CONFIG_ENCODERS
 static void mpeg4_decode_sprite_trajectory(MpegEncContext * s);
 static inline int ff_mpeg4_pred_dc(MpegEncContext * s, int n, uint16_t **dc_val_ptr, int *dir_ptr);
@@ -1579,6 +1581,19 @@ void h263_encode_init(MpegEncContext *s)
         s->luma_dc_vlc_length= uni_DCtab_lum_len;
         s->chroma_dc_vlc_length= uni_DCtab_chrom_len;
         s->ac_esc_length= 7+2+1+6+1+12+1;
+        
+        if(s->flags & CODEC_FLAG_GLOBAL_HEADER){
+            s->avctx->extradata= av_malloc(1024);
+            init_put_bits(&s->pb, s->avctx->extradata, 1024, NULL, NULL);
+            
+            mpeg4_encode_visual_object_header(s);
+            mpeg4_encode_vol_header(s, 0, 0);
+
+//            ff_mpeg4_stuffing(&s->pb); ?
+            flush_put_bits(&s->pb);
+            s->avctx->extradata_size= (get_bit_count(&s->pb)+7)>>3;
+        }
+        
         break;
     case CODEC_ID_H263P:
         s->fcode_tab= umv_fcode_tab;
@@ -1715,13 +1730,6 @@ void ff_mpeg4_stuffing(PutBitContext * pbc)
 void ff_set_mpeg4_time(MpegEncContext * s, int picture_number){
     int time_div, time_mod;
 
-    if(s->pict_type==I_TYPE){ //we will encode a vol header
-        int dummy;
-        av_reduce(&s->time_increment_resolution, &dummy, s->avctx->frame_rate, s->avctx->frame_rate_base, (1<<16)-1);
-        
-        s->time_increment_bits = av_log2(s->time_increment_resolution - 1) + 1;
-    }
-    
     if(s->current_picture.pts)
         s->time= (s->current_picture.pts*s->time_increment_resolution + 500*1000)/(1000*1000);
     else

libavcodec/mpegvideo.c

@@ -549,7 +549,7 @@ void MPV_common_end(MpegEncContext *s)
 int MPV_encode_init(AVCodecContext *avctx)
 {
     MpegEncContext *s = avctx->priv_data;
-    int i;
+    int i, dummy;
     int chroma_h_shift, chroma_v_shift;
 
     avctx->pix_fmt = PIX_FMT_YUV420P; // FIXME
@@ -646,6 +646,9 @@ int MPV_encode_init(AVCodecContext *avctx)
         
     avcodec_get_chroma_sub_sample(avctx->pix_fmt, &chroma_h_shift, &chroma_v_shift);
 
+    av_reduce(&s->time_increment_resolution, &dummy, s->avctx->frame_rate, s->avctx->frame_rate_base, (1<<16)-1);
+    s->time_increment_bits = av_log2(s->time_increment_resolution - 1) + 1;
+
     switch(avctx->codec->id) {
     case CODEC_ID_MPEG1VIDEO:
         s->out_format = FMT_MPEG1;
@@ -872,6 +875,8 @@ int MPV_encode_end(AVCodecContext *avctx)
     MPV_common_end(s);
     if (s->out_format == FMT_MJPEG)
         mjpeg_close(s);
+        
+    av_freep(&avctx->extradata);
       
     return 0;
 }