matroskademux: Set subtitle tag title from TrackName field

GUI applications can then use the title tag to set menu items or labels
representing the track.

https://bugzilla.gnome.org/show_bug.cgi?id=796567

diff --git a/gst/matroska/matroska-demux.c b/gst/matroska/matroska-demux.c
index 022f755..32d4598 100644 (file)
--- a/gst/matroska/matroska-demux.c
+++ b/gst/matroska/matroska-demux.c
@@ -1430,6 +1430,11 @@ gst_matroska_demux_add_stream (GstMatroskaDemux * demux, GstEbmlRead * ebml)
     lang = gst_tag_get_language_code (context->language);
     gst_tag_list_add (context->tags, GST_TAG_MERGE_REPLACE,
         GST_TAG_LANGUAGE_CODE, (lang) ? lang : context->language, NULL);
+
+    if (context->name) {
+      gst_tag_list_add (context->tags, GST_TAG_MERGE_REPLACE,
+          GST_TAG_TITLE, context->name, NULL);
+    }
     context->tags_changed = TRUE;
   }