rv10/obmc fixes

Originally committed as revision 2768 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/h263.c

@@ -3866,8 +3866,15 @@ int ff_h263_decode_mb(MpegEncContext *s,
             }
         }
 
+        /* decode each block */
+        for (i = 0; i < 6; i++) {
+            if (h263_decode_block(s, block[i], i, cbp&32) < 0)
+                return -1;
+            cbp+=cbp;
+        }
+
         if(s->obmc){
-            if(s->pict_type == P_TYPE && s->mb_x+1<s->mb_width)
+            if(s->pict_type == P_TYPE && s->mb_x+1<s->mb_width && s->mb_num_left != 1)
                 preview_obmc(s);
         }
     } else if(s->pict_type==B_TYPE) {
@@ -3957,6 +3964,13 @@ int ff_h263_decode_mb(MpegEncContext *s,
         }
           
         s->current_picture.mb_type[xy]= mb_type;
+
+        /* decode each block */
+        for (i = 0; i < 6; i++) {
+            if (h263_decode_block(s, block[i], i, cbp&32) < 0)
+                return -1;
+            cbp+=cbp;
+        }
     } else { /* I-Frame */
         do{
             cbpc = get_vlc2(&s->gb, intra_MCBPC_vlc.table, INTRA_MCBPC_VLC_BITS, 2);
@@ -3989,7 +4003,6 @@ intra:
         if (dquant) {
             h263_decode_dquant(s);
         }
-    }
 
         /* decode each block */
         for (i = 0; i < 6; i++) {
@@ -3997,6 +4010,7 @@ intra:
                 return -1;
             cbp+=cbp;
         }
+    }
 end:
 
         /* per-MB end of slice check */

libavcodec/rv10.c

@@ -449,6 +449,12 @@ static int rv10_decode_init(AVCodecContext *avctx)
         s->h263_long_vectors=0;
         s->low_delay=1;
         break;
+    case 0x10002000:
+        s->rv10_version= 3;
+        s->h263_long_vectors=1;
+        s->low_delay=1;
+        s->obmc=1;
+        break;
     case 0x10003000:
         s->rv10_version= 3;
         s->h263_long_vectors=1;
@@ -586,7 +592,8 @@ static int rv10_decode_packet(AVCodecContext *avctx,
     s->block_wrap[5]= s->mb_width + 2;
     ff_init_block_index(s);
     /* decode each macroblock */
-    for(i=0;i<mb_count;i++) {
+
+    for(s->mb_num_left= mb_count; s->mb_num_left>0; s->mb_num_left--) {
         int ret;
         ff_update_block_index(s);
 #ifdef DEBUG