simplified adressing of most mb based arrays (mb_x + mb_y*s->mb_stride) now instead of mb_x + mb_y*mb_width and 1+mb_x + (1+mb_y)*(mb_width+2) and ... mixture

more direct use of the new mb_type stuff instead of codec specific stuff
runtime mb_type debug output h264/h263 variants/mpeg1/2/4
error concealment /resilience for mpeg1/2
various minor optimizations

Originally committed as revision 1746 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 8 insertions, 13 deletions

diff --git a/libavcodec/wmv2.c b/libavcodec/wmv2.c
index 2c15694212..1097b7c29c 100644
--- a/libavcodec/wmv2.c
+++ b/libavcodec/wmv2.c
@@ -267,20 +267,21 @@ void ff_wmv2_encode_mb(MpegEncContext * s,
 static void parse_mb_skip(Wmv2Context * w){
     int mb_x, mb_y;
     MpegEncContext * const s= &w->s;
+    uint32_t * const mb_type= s->current_picture_ptr->mb_type;
 
     w->skip_type= get_bits(&s->gb, 2);
     switch(w->skip_type){
     case SKIP_TYPE_NONE:
         for(mb_y=0; mb_y<s->mb_height; mb_y++){
             for(mb_x=0; mb_x<s->mb_width; mb_x++){
-                s->mb_type[mb_y*s->mb_width + mb_x]= 0;
+                mb_type[mb_y*s->mb_stride + mb_x]= MB_TYPE_16x16 | MB_TYPE_L0;
             }
         }
         break;
     case SKIP_TYPE_MPEG:
         for(mb_y=0; mb_y<s->mb_height; mb_y++){
             for(mb_x=0; mb_x<s->mb_width; mb_x++){
-                s->mb_type[mb_y*s->mb_width + mb_x]= get_bits1(&s->gb) ? MB_TYPE_SKIPED : 0;
+                mb_type[mb_y*s->mb_stride + mb_x]= (get_bits1(&s->gb) ? MB_TYPE_SKIP : 0) | MB_TYPE_16x16 | MB_TYPE_L0;
             }
         }
         break;
@@ -288,11 +289,11 @@ static void parse_mb_skip(Wmv2Context * w){
         for(mb_y=0; mb_y<s->mb_height; mb_y++){
             if(get_bits1(&s->gb)){
                 for(mb_x=0; mb_x<s->mb_width; mb_x++){
-                    s->mb_type[mb_y*s->mb_width + mb_x]=  MB_TYPE_SKIPED;
+                    mb_type[mb_y*s->mb_stride + mb_x]=  MB_TYPE_SKIP | MB_TYPE_16x16 | MB_TYPE_L0;
                 }
             }else{
                 for(mb_x=0; mb_x<s->mb_width; mb_x++){
-                    s->mb_type[mb_y*s->mb_width + mb_x]= get_bits1(&s->gb) ? MB_TYPE_SKIPED : 0;
+                    mb_type[mb_y*s->mb_stride + mb_x]= (get_bits1(&s->gb) ? MB_TYPE_SKIP : 0) | MB_TYPE_16x16 | MB_TYPE_L0;
                 }
             }
         }
@@ -301,11 +302,11 @@ static void parse_mb_skip(Wmv2Context * w){
         for(mb_x=0; mb_x<s->mb_width; mb_x++){
             if(get_bits1(&s->gb)){
                 for(mb_y=0; mb_y<s->mb_height; mb_y++){
-                    s->mb_type[mb_y*s->mb_width + mb_x]=  MB_TYPE_SKIPED;
+                    mb_type[mb_y*s->mb_stride + mb_x]=  MB_TYPE_SKIP | MB_TYPE_16x16 | MB_TYPE_L0;
                 }
             }else{
                 for(mb_y=0; mb_y<s->mb_height; mb_y++){
-                    s->mb_type[mb_y*s->mb_width + mb_x]= get_bits1(&s->gb) ? MB_TYPE_SKIPED : 0;
+                    mb_type[mb_y*s->mb_stride + mb_x]= (get_bits1(&s->gb) ? MB_TYPE_SKIP : 0) | MB_TYPE_16x16 | MB_TYPE_L0;
                 }
             }
         }
@@ -455,12 +456,6 @@ return -1;
     s->esc3_level_length= 0;
     s->esc3_run_length= 0;
     
-    if(s->avctx->debug&FF_DEBUG_SKIP){
-        for(i=0; i<s->mb_num; i++){
-            if(i%s->mb_width==0) printf("\n");
-            printf("%d", s->mb_type[i]);
-        }
-    }
 s->picture_number++; //FIXME ?
 
 
@@ -712,7 +707,7 @@ static int wmv2_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
     if(w->j_type) return 0;
     
     if (s->pict_type == P_TYPE) {
-        if(s->mb_type[s->mb_y * s->mb_width + s->mb_x]&MB_TYPE_SKIPED){
+        if(IS_SKIP(s->current_picture.mb_type[s->mb_y * s->mb_stride + s->mb_x])){
             /* skip mb */
             s->mb_intra = 0;
             for(i=0;i<6;i++)