h264: move mb_[uv]linesize into the per-slice context

libavcodec/h264.h

@@ -342,6 +342,9 @@ typedef struct H264SliceContext {
     unsigned int topright_samples_available;
     unsigned int left_samples_available;
 
+    ptrdiff_t mb_linesize;  ///< may be equal to s->linesize or s->linesize * 2, for mbaff
+    ptrdiff_t mb_uvlinesize;
+
     /**
      * number of neighbors (top and/or left) that used 8x8 dct
      */
@@ -413,9 +416,6 @@ typedef struct H264Context {
     uint32_t *mb2br_xy;
     int b_stride;       // FIXME use s->b4_stride
 
-    ptrdiff_t mb_linesize;  ///< may be equal to s->linesize or s->linesize * 2, for mbaff
-    ptrdiff_t mb_uvlinesize;
-
     SPS sps; ///< current sps
     PPS pps; ///< current pps
 

libavcodec/h264_mb_template.c

@@ -67,8 +67,8 @@ static av_noinline void FUNC(hl_decode_mb)(H264Context *h, H264SliceContext *sl)
     h->list_counts[mb_xy] = h->list_count;
 
     if (!SIMPLE && MB_FIELD(h)) {
-        linesize     = h->mb_linesize = h->linesize * 2;
-        uvlinesize   = h->mb_uvlinesize = h->uvlinesize * 2;
+        linesize     = sl->mb_linesize = h->linesize * 2;
+        uvlinesize   = sl->mb_uvlinesize = h->uvlinesize * 2;
         block_offset = &h->block_offset[48];
         if (mb_y & 1) { // FIXME move out of this function?
             dest_y  -= h->linesize * 15;
@@ -94,8 +94,8 @@ static av_noinline void FUNC(hl_decode_mb)(H264Context *h, H264SliceContext *sl)
             }
         }
     } else {
-        linesize   = h->mb_linesize   = h->linesize;
-        uvlinesize = h->mb_uvlinesize = h->uvlinesize;
+        linesize   = sl->mb_linesize   = h->linesize;
+        uvlinesize = sl->mb_uvlinesize = h->uvlinesize;
         // dct_offset = s->linesize * 16;
     }
 
@@ -295,7 +295,7 @@ static av_noinline void FUNC(hl_decode_mb_444)(H264Context *h, H264SliceContext
     h->list_counts[mb_xy] = h->list_count;
 
     if (!SIMPLE && MB_FIELD(h)) {
-        linesize     = h->mb_linesize = h->mb_uvlinesize = h->linesize * 2;
+        linesize     = sl->mb_linesize = sl->mb_uvlinesize = h->linesize * 2;
         block_offset = &h->block_offset[48];
         if (mb_y & 1) // FIXME move out of this function?
             for (p = 0; p < 3; p++)
@@ -319,7 +319,7 @@ static av_noinline void FUNC(hl_decode_mb_444)(H264Context *h, H264SliceContext
             }
         }
     } else {
-        linesize = h->mb_linesize = h->mb_uvlinesize = h->linesize;
+        linesize = sl->mb_linesize = sl->mb_uvlinesize = h->linesize;
     }
 
     if (!SIMPLE && IS_INTRA_PCM(mb_type)) {

libavcodec/h264_mc_template.c

@@ -95,11 +95,11 @@ static void MCFUNC(hl_motion)(H264Context *h, H264SliceContext *sl,
                 weight_op, weight_avg,
                 IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1));
     } else if (IS_8X16(mb_type)) {
-        mc_part(h, sl, 0, 0, 16, 8 * h->mb_linesize, dest_y, dest_cb, dest_cr, 0, 0,
+        mc_part(h, sl, 0, 0, 16, 8 * sl->mb_linesize, dest_y, dest_cb, dest_cr, 0, 0,
                 qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
                 &weight_op[1], &weight_avg[1],
                 IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
-        mc_part(h, sl, 4, 0, 16, 8 * h->mb_linesize, dest_y, dest_cb, dest_cr, 4, 0,
+        mc_part(h, sl, 4, 0, 16, 8 * sl->mb_linesize, dest_y, dest_cb, dest_cr, 4, 0,
                 qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
                 &weight_op[1], &weight_avg[1],
                 IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1));
@@ -132,12 +132,12 @@ static void MCFUNC(hl_motion)(H264Context *h, H264SliceContext *sl,
                         &weight_op[1], &weight_avg[1],
                         IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
             } else if (IS_SUB_4X8(sub_mb_type)) {
-                mc_part(h, sl, n, 0, 8, 4 * h->mb_linesize,
+                mc_part(h, sl, n, 0, 8, 4 * sl->mb_linesize,
                         dest_y, dest_cb, dest_cr, x_offset, y_offset,
                         qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
                         &weight_op[2], &weight_avg[2],
                         IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
-                mc_part(h, sl, n + 1, 0, 8, 4 * h->mb_linesize,
+                mc_part(h, sl, n + 1, 0, 8, 4 * sl->mb_linesize,
                         dest_y, dest_cb, dest_cr, x_offset + 2, y_offset,
                         qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
                         &weight_op[2], &weight_avg[2],

libavcodec/h264_slice.c

@@ -2086,16 +2086,16 @@ static void loop_filter(H264Context *h, H264SliceContext *sl, int start_x, int e
                 // FIXME simplify above
 
                 if (MB_FIELD(h)) {
-                    linesize   = h->mb_linesize   = h->linesize   * 2;
-                    uvlinesize = h->mb_uvlinesize = h->uvlinesize * 2;
+                    linesize   = sl->mb_linesize   = h->linesize   * 2;
+                    uvlinesize = sl->mb_uvlinesize = h->uvlinesize * 2;
                     if (mb_y & 1) { // FIXME move out of this function?
                         dest_y  -= h->linesize   * 15;
                         dest_cb -= h->uvlinesize * (block_h - 1);
                         dest_cr -= h->uvlinesize * (block_h - 1);
                     }
                 } else {
-                    linesize   = h->mb_linesize   = h->linesize;
-                    uvlinesize = h->mb_uvlinesize = h->uvlinesize;
+                    linesize   = sl->mb_linesize   = h->linesize;
+                    uvlinesize = sl->mb_uvlinesize = h->uvlinesize;
                 }
                 backup_mb_border(h, dest_y, dest_cb, dest_cr, linesize,
                                  uvlinesize, 0);