Merge commit 'b16e9b9a'

* commit 'b16e9b9a':
  h264: move initialising the explicit pred weight table for MBAFF
Merged-by: Clément Bœsch <clement@stupeflix.com>

libavcodec/h264_parse.c

@@ -26,7 +26,7 @@ int ff_h264_pred_weight_table(GetBitContext *gb, const SPS *sps,
                               const int *ref_count, int slice_type_nos,
                               H264PredWeightTable *pwt, void *logctx)
 {
-    int list, i;
+    int list, i, j;
     int luma_def, chroma_def;
 
     pwt->use_weight             = 0;
@@ -88,6 +88,14 @@ int ff_h264_pred_weight_table(GetBitContext *gb, const SPS *sps,
                     }
                 }
             }
+
+            // for MBAFF
+            pwt->luma_weight[16 + 2 * i][list][0] = pwt->luma_weight[16 + 2 * i + 1][list][0] = pwt->luma_weight[i][list][0];
+            pwt->luma_weight[16 + 2 * i][list][1] = pwt->luma_weight[16 + 2 * i + 1][list][1] = pwt->luma_weight[i][list][1];
+            for (j = 0; j < 2; j++) {
+                pwt->chroma_weight[16 + 2 * i][list][j][0] = pwt->chroma_weight[16 + 2 * i + 1][list][j][0] = pwt->chroma_weight[i][list][j][0];
+                pwt->chroma_weight[16 + 2 * i][list][j][1] = pwt->chroma_weight[16 + 2 * i + 1][list][j][1] = pwt->chroma_weight[i][list][j][1];
+            }
         }
         if (slice_type_nos != AV_PICTURE_TYPE_B)
             break;

libavcodec/h264_refs.c

@@ -422,13 +422,6 @@ void ff_h264_fill_mbaff_ref_list(H264SliceContext *sl)
                 field[1].data[j] += frame->parent->f->linesize[j];
             field[1].reference = PICT_BOTTOM_FIELD;
             field[1].poc       = field[1].parent->field_poc[1];
-
-            sl->pwt.luma_weight[16 + 2 * i][list][0] = sl->pwt.luma_weight[16 + 2 * i + 1][list][0] = sl->pwt.luma_weight[i][list][0];
-            sl->pwt.luma_weight[16 + 2 * i][list][1] = sl->pwt.luma_weight[16 + 2 * i + 1][list][1] = sl->pwt.luma_weight[i][list][1];
-            for (j = 0; j < 2; j++) {
-                sl->pwt.chroma_weight[16 + 2 * i][list][j][0] = sl->pwt.chroma_weight[16 + 2 * i + 1][list][j][0] = sl->pwt.chroma_weight[i][list][j][0];
-                sl->pwt.chroma_weight[16 + 2 * i][list][j][1] = sl->pwt.chroma_weight[16 + 2 * i + 1][list][j][1] = sl->pwt.chroma_weight[i][list][j][1];
-            }
         }
     }
 }