Merge commit 'c7166248'

* commit 'c7166248':
  mxf: Read field dominance flag

Conflicts:
	libavformat/mxfdec.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavformat/mxfdec.c

@@ -148,9 +148,11 @@ typedef struct {
     int width;
     int height; /* Field height, not frame height */
     int frame_layout; /* See MXFFrameLayout enum */
+#define MXF_TFF 1
+#define MXF_BFF 2
+    int field_dominance;
     int channels;
     int bits_per_sample;
-    int field_dominance;
     unsigned int component_depth;
     unsigned int horiz_subsampling;
     unsigned int vert_subsampling;
@@ -1555,7 +1557,21 @@ static int mxf_parse_structural_metadata(MXFContext *mxf)
                 case MixedFields:
                     break;
                 case SeparateFields:
-                    st->codec->height *= 2; /* Turn field height into frame height. */
+                    switch (descriptor->field_dominance) {
+                    case MXF_TFF:
+                        st->codec->field_order = AV_FIELD_TT;
+                        break;
+                    case MXF_BFF:
+                        st->codec->field_order = AV_FIELD_BB;
+                        break;
+                    default:
+                        avpriv_request_sample(mxf->fc,
+                                              "Field dominance %d support",
+                                              descriptor->field_dominance);
+                        break;
+                    }
+                    /* Turn field height into frame height. */
+                    st->codec->height *= 2;
                     break;
                 default:
                     av_log(mxf->fc, AV_LOG_INFO, "Unknown frame layout type: %d\n", descriptor->frame_layout);