gst-discoverer: don't use GstStructure API on tag lists

diff --git a/tools/gst-discoverer.c b/tools/gst-discoverer.c
index ee07b42..04792b6 100644 (file)
--- a/tools/gst-discoverer.c
+++ b/tools/gst-discoverer.c
@@ -103,7 +103,7 @@ gst_stream_audio_information_to_string (GstDiscovererStreamInfo * info,
   my_g_string_append_printf (s, depth, "Tags:\n");
   tags = gst_discoverer_stream_info_get_tags (info);
   if (tags) {
-    tmp = gst_structure_to_string ((GstStructure *) tags);
+    tmp = gst_tag_list_to_string (tags);
     my_g_string_append_printf (s, depth, "  %s\n", tmp);
     g_free (tmp);
   } else {
@@ -175,7 +175,7 @@ gst_stream_video_information_to_string (GstDiscovererStreamInfo * info,
   my_g_string_append_printf (s, depth, "Tags:\n");
   tags = gst_discoverer_stream_info_get_tags (info);
   if (tags) {
-    tmp = gst_structure_to_string ((GstStructure *) tags);
+    tmp = gst_tag_list_to_string (tags);
     my_g_string_append_printf (s, depth, "  %s\n", tmp);
     g_free (tmp);
   } else {
@@ -227,7 +227,7 @@ gst_stream_subtitle_information_to_string (GstDiscovererStreamInfo * info,
   my_g_string_append_printf (s, depth, "Tags:\n");
   tags = gst_discoverer_stream_info_get_tags (info);
   if (tags) {
-    tmp = gst_structure_to_string ((GstStructure *) tags);
+    tmp = gst_tag_list_to_string (tags);
     my_g_string_append_printf (s, depth, "  %s\n", tmp);
     g_free (tmp);
   } else {
@@ -311,10 +311,9 @@ print_topology (GstDiscovererStreamInfo * info, gint depth)
   }
 }
 
-static gboolean
-print_tag_each (GQuark field_id, const GValue * value, gpointer user_data)
+static void
+print_tag (const gchar * tag_name, const GValue * value, gint tab)
 {
-  gint tab = GPOINTER_TO_INT (user_data);
   gchar *ser;
 
   if (G_VALUE_HOLDS_STRING (value))
@@ -333,13 +332,11 @@ print_tag_each (GQuark field_id, const GValue * value, gpointer user_data)
   } else
     ser = gst_value_serialize (value);
 
-  g_print ("%*s%s: %s\n", tab, " ",
-      gst_tag_get_nick (g_quark_to_string (field_id)), ser);
+  g_print ("%*s%s: %s\n", tab, " ", gst_tag_get_nick (tag_name), ser);
   g_free (ser);
-
-  return TRUE;
 }
 
+/* FIXME: this function is almost identical to print_tag() */
 static void
 print_tag_foreach (const GstTagList * tags, const gchar * tag,
     gpointer user_data)
@@ -399,9 +396,19 @@ print_properties (GstDiscovererInfo * info, gint tab)
   g_print ("%*sSeekable: %s\n", tab + 1, " ",
       (gst_discoverer_info_get_seekable (info) ? "yes" : "no"));
   if ((tags = gst_discoverer_info_get_tags (info))) {
+    guint num_tags, i;
+
     g_print ("%*sTags: \n", tab + 1, " ");
-    gst_structure_foreach ((const GstStructure *) tags, print_tag_each,
-        GINT_TO_POINTER (tab + 5));
+    num_tags = gst_tag_list_n_tags (tags);
+    for (i = 0; i < num_tags; ++i) {
+      const GValue *val;
+      const gchar *tag_name;
+
+      tag_name = gst_tag_list_nth_tag_name (tags, i);
+      /* FIXME: print all entries for a tag if there are multiple ones */
+      val = gst_tag_list_get_value_index (tags, tag_name, 0);
+      print_tag (tag_name, val, tab + 5);
+    }
   }
   if (show_toc && (toc = gst_discoverer_info_get_toc (info))) {
     g_print ("%*sTOC: \n", tab + 1, " ");