C++ (Cpp) GST_VORBIS_PARSE_CLASS Examples

Example #1

File: gstvorbistag.c Project: ConfusedReality/pkg_multimedia_gst-plugins-base

static GstFlowReturn
gst_vorbis_tag_parse_packet (GstVorbisParse * parse, GstBuffer * buffer)
{
  GstTagList *old_tags, *new_tags;
  const GstTagList *user_tags;
  GstVorbisTag *tagger;
  gchar *encoder = NULL;
  GstBuffer *new_buf;
  GstMapInfo map;
  gboolean do_parse = FALSE;

  gst_buffer_map (buffer, &map, GST_MAP_READ);
  /* just pass everything except the comments packet */
  if (map.size >= 1 && map.data[0] != 0x03)
    do_parse = TRUE;
  gst_buffer_unmap (buffer, &map);

  if (do_parse) {
    return GST_VORBIS_PARSE_CLASS (parent_class)->parse_packet (parse, buffer);
  }

  tagger = GST_VORBIS_TAG (parse);

  old_tags =
      gst_tag_list_from_vorbiscomment_buffer (buffer, (guint8 *) "\003vorbis",
      7, &encoder);
  user_tags = gst_tag_setter_get_tag_list (GST_TAG_SETTER (tagger));

  /* build new tag list */
  new_tags = gst_tag_list_merge (user_tags, old_tags,
      gst_tag_setter_get_tag_merge_mode (GST_TAG_SETTER (tagger)));
  gst_tag_list_unref (old_tags);

  new_buf =
      gst_tag_list_to_vorbiscomment_buffer (new_tags, (guint8 *) "\003vorbis",
      7, encoder);
  gst_buffer_copy_into (new_buf, buffer, GST_BUFFER_COPY_TIMESTAMPS, 0, -1);

  gst_tag_list_unref (new_tags);
  g_free (encoder);
  gst_buffer_unref (buffer);

  return GST_VORBIS_PARSE_CLASS (parent_class)->parse_packet (parse, new_buf);
}

Example #2

File: gstvorbistag.c Project: ConfusedReality/pkg_multimedia_gst-plugins-base

static void
gst_vorbis_tag_class_init (GstVorbisTagClass * klass)
{
  GstVorbisParseClass *vorbisparse_class = GST_VORBIS_PARSE_CLASS (klass);
  GstElementClass *element_class = GST_ELEMENT_CLASS (klass);

  gst_element_class_set_static_metadata (element_class,
      "VorbisTag", "Formatter/Metadata",
      "Retags vorbis streams", "James Livingston <*****@*****.**>");

  vorbisparse_class->parse_packet = gst_vorbis_tag_parse_packet;
}

Example #3

File: gstvorbisparse.c Project: jwzl/ossbuild

static GstFlowReturn
vorbis_parse_chain (GstPad * pad, GstBuffer * buffer)
{
    GstVorbisParseClass *klass;
    GstVorbisParse *parse;

    parse = GST_VORBIS_PARSE (GST_PAD_PARENT (pad));
    klass = GST_VORBIS_PARSE_CLASS (G_OBJECT_GET_CLASS (parse));

    g_assert (klass->parse_packet != NULL);

    return klass->parse_packet (parse, buffer);
}