flacparse: use new baseparse API and fix tag handling

https://bugzilla.gnome.org/show_bug.cgi?id=679768

diff --git a/gst/audioparsers/gstflacparse.c b/gst/audioparsers/gstflacparse.c
index c6dc227..6db5d59 100644 (file)
--- a/gst/audioparsers/gstflacparse.c
+++ b/gst/audioparsers/gstflacparse.c
@@ -1141,21 +1141,16 @@ gst_flac_parse_handle_picture (GstFlacParse * flacparse, GstBuffer * buffer)
   if (gst_byte_reader_get_pos (&reader) + img_len > map.size)
     goto error;
 
-  if (!flacparse->tags)
-    flacparse->tags = gst_tag_list_new_empty ();
-
   GST_INFO_OBJECT (flacparse, "Got image of %d bytes", img_len);
 
   if (img_len > 0) {
+    if (flacparse->tags == NULL)
+      flacparse->tags = gst_tag_list_new_empty ();
+
     gst_tag_list_add_id3_image (flacparse->tags,
         map.data + gst_byte_reader_get_pos (&reader), img_len, img_type);
   }
 
-  if (gst_tag_list_is_empty (flacparse->tags)) {
-    gst_tag_list_unref (flacparse->tags);
-    flacparse->tags = NULL;
-  }
-
   gst_buffer_unmap (buffer, &map);
   return TRUE;
 
@@ -1704,30 +1699,24 @@ gst_flac_parse_pre_push_frame (GstBaseParse * parse, GstBaseParseFrame * frame)
   GstFlacParse *flacparse = GST_FLAC_PARSE (parse);
 
   if (!flacparse->sent_codec_tag) {
-    GstTagList *taglist;
     GstCaps *caps;
 
-    taglist = gst_tag_list_new_empty ();
+    if (flacparse->tags == NULL)
+      flacparse->tags = gst_tag_list_new_empty ();
 
     /* codec tag */
     caps = gst_pad_get_current_caps (GST_BASE_PARSE_SRC_PAD (parse));
-    gst_pb_utils_add_codec_description_to_tag_list (taglist,
+    gst_pb_utils_add_codec_description_to_tag_list (flacparse->tags,
         GST_TAG_AUDIO_CODEC, caps);
     gst_caps_unref (caps);
 
-    gst_pad_push_event (GST_BASE_PARSE_SRC_PAD (flacparse),
-        gst_event_new_tag (taglist));
+    /* Announce our pending tags */
+    gst_base_parse_merge_tags (parse, flacparse->tags, GST_TAG_MERGE_REPLACE);
 
     /* also signals the end of first-frame processing */
     flacparse->sent_codec_tag = TRUE;
   }
 
-  /* Push tags */
-  if (flacparse->tags) {
-    gst_pad_push_event (GST_BASE_PARSE_SRC_PAD (flacparse),
-        gst_event_new_tag (flacparse->tags));
-    flacparse->tags = NULL;
-  }
   /* Push toc */
   if (flacparse->toc) {
     gst_pad_push_event (GST_BASE_PARSE_SRC_PAD (flacparse),