Merge commit '5d9d8461'

* commit '5d9d8461':
  vc1dec: Don't apply the loop filter on fields

Conflicts:
	tests/ref/fate/vc1_sa10143
Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/vc1dec.c

@@ -5043,7 +5043,8 @@ static void vc1_decode_p_blocks(VC1Context *v)
         break;
     }
 
-    apply_loop_filter   = s->loop_filter && !(s->avctx->skip_loop_filter >= AVDISCARD_NONKEY);
+    apply_loop_filter   = s->loop_filter && !(s->avctx->skip_loop_filter >= AVDISCARD_NONKEY) &&
+                          v->fcm == PROGRESSIVE;
     s->first_slice_line = 1;
     memset(v->cbp_base, 0, sizeof(v->cbp_base[0])*2*s->mb_stride);
     for (s->mb_y = s->start_mb_y; s->mb_y < s->end_mb_y; s->mb_y++) {
@@ -5057,7 +5058,7 @@ static void vc1_decode_p_blocks(VC1Context *v)
             else if (v->fcm == ILACE_FRAME)
                 vc1_decode_p_mb_intfr(v);
             else vc1_decode_p_mb(v);
-            if (s->mb_y != s->start_mb_y && apply_loop_filter && v->fcm == PROGRESSIVE)
+            if (s->mb_y != s->start_mb_y && apply_loop_filter)
                 vc1_apply_p_loop_filter(v);
             if (get_bits_count(&s->gb) > v->bits || get_bits_count(&s->gb) < 0) {
                 // TODO: may need modification to handle slice coding
@@ -5074,7 +5075,7 @@ static void vc1_decode_p_blocks(VC1Context *v)
         if (s->mb_y != s->start_mb_y) ff_mpeg_draw_horiz_band(s, (s->mb_y - 1) * 16, 16);
         s->first_slice_line = 0;
     }
-    if (apply_loop_filter && v->fcm == PROGRESSIVE) {
+    if (apply_loop_filter) {
         s->mb_x = 0;
         init_block_index(v);
         for (; s->mb_x < s->mb_width; s->mb_x++) {