321l: do not use shifted s->linesize instead of correct s->uvlinesize.

This should fix chroma issues in WMV3/VC-1 decoder with avfilter enabled.

Originally committed as revision 23370 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/vc1dec.c

@@ -2225,12 +2225,12 @@ static int vc1_decode_p_mb(VC1Context *v)
                     if((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue;
                     s->dsp.vc1_inv_trans_8x8(s->block[i]);
                     if(v->rangeredfrm) for(j = 0; j < 64; j++) s->block[i][j] <<= 1;
-                    s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
+                    s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize);
                     if(v->pq >= 9 && v->overlap) {
                         if(v->c_avail)
-                            s->dsp.vc1_h_overlap(s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
+                            s->dsp.vc1_h_overlap(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize);
                         if(v->a_avail)
-                            s->dsp.vc1_v_overlap(s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
+                            s->dsp.vc1_v_overlap(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize);
                     }
                     if(apply_loop_filter && s->mb_x && s->mb_x != (s->mb_width - 1) && s->mb_y && s->mb_y != (s->mb_height - 1)){
                         int left_cbp, top_cbp;
@@ -2359,9 +2359,9 @@ static int vc1_decode_p_mb(VC1Context *v)
                     s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, (i&4)?s->uvlinesize:s->linesize);
                     if(v->pq >= 9 && v->overlap) {
                         if(v->c_avail)
-                            s->dsp.vc1_h_overlap(s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
+                            s->dsp.vc1_h_overlap(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize);
                         if(v->a_avail)
-                            s->dsp.vc1_v_overlap(s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
+                            s->dsp.vc1_v_overlap(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize);
                     }
                     if(v->s.loop_filter && s->mb_x && s->mb_x != (s->mb_width - 1) && s->mb_y && s->mb_y != (s->mb_height - 1)){
                         int left_cbp, top_cbp;
@@ -2561,7 +2561,7 @@ static void vc1_decode_b_mb(VC1Context *v)
             if((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue;
             s->dsp.vc1_inv_trans_8x8(s->block[i]);
             if(v->rangeredfrm) for(j = 0; j < 64; j++) s->block[i][j] <<= 1;
-            s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
+            s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize);
         } else if(val) {
             vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, first_block, s->dest[dst_idx] + off, (i&4)?s->uvlinesize:s->linesize, (i&4) && (s->flags & CODEC_FLAG_GRAY), 0, 0, 0);
             if(!v->ttmbf && ttmb < 8) ttmb = -1;