C++ (Cpp) gst_type_find_helper_for_extension Exemples

Exemple #1

Fichier : gsttypefindelement.c Projet : ConfusedReality/pkg_multimedia_gstreamer

static GstCaps *
gst_type_find_guess_by_extension (GstTypeFindElement * typefind, GstPad * pad,
    GstTypeFindProbability * probability)
{
  gchar *ext;
  GstCaps *caps;

  ext = gst_type_find_get_extension (typefind, pad);
  if (!ext)
    return NULL;

  caps = gst_type_find_helper_for_extension (GST_OBJECT_CAST (typefind), ext);
  if (caps)
    *probability = GST_TYPE_FIND_MAXIMUM;

  g_free (ext);

  return caps;
}

Exemple #2

Fichier : gsttypefindelement.c Projet : kuailexs/symbiandump-mw1

static GstCaps *
gst_type_find_guess_by_extension (GstTypeFindElement * typefind, GstPad * pad,
    GstTypeFindProbability * probability)
{
  GstQuery *query;
  gchar *uri;
  size_t len;
  gint find;
  GstCaps *caps;

  query = gst_query_new_uri ();

  /* try getting the caps with an uri query and from the extension */
  if (!gst_pad_peer_query (pad, query))
    goto peer_query_failed;

  gst_query_parse_uri (query, &uri);
  if (uri == NULL)
    goto no_uri;

  GST_DEBUG_OBJECT (typefind, "finding extension of %s", uri);

  /* find the extension on the uri, this is everything after a '.' */
  len = strlen (uri);
  find = len - 1;

  while (find >= 0) {
    if (uri[find] == '.')
      break;
    find--;
  }
  if (find < 0)
    goto no_extension;

  GST_DEBUG_OBJECT (typefind, "found extension %s", &uri[find + 1]);

  caps =
      gst_type_find_helper_for_extension (GST_OBJECT_CAST (typefind),
      &uri[find + 1]);
  if (caps)
    *probability = GST_TYPE_FIND_MAXIMUM;

  gst_query_unref (query);

  return caps;

  /* ERRORS */
peer_query_failed:
  {
    GST_WARNING_OBJECT (typefind, "failed to query peer uri");
    gst_query_unref (query);
    return NULL;
  }
no_uri:
  {
    GST_WARNING_OBJECT (typefind, "could not parse the peer uri");
    gst_query_unref (query);
    return NULL;
  }
no_extension:
  {
    GST_WARNING_OBJECT (typefind, "could not find uri extension in %s", uri);
    gst_query_unref (query);
    return NULL;
  }
}