-static gboolean
-foreach_metadata_copy (GstBuffer * inbuf, GstMeta ** meta, gpointer user_data)
-{
- CopyMetaData *data = user_data;
- GstElement *element = data->element;
- GstBuffer *outbuf = data->outbuf;
- GQuark copy_tag = data->copy_tag;
- const GstMetaInfo *info = (*meta)->info;
- const gchar *const *tags = gst_meta_api_type_get_tags (info->api);
-
- if (!tags || (copy_tag != 0 && g_strv_length ((gchar **) tags) == 1
- && gst_meta_api_type_has_tag (info->api, copy_tag))) {
- GstMetaTransformCopy copy_data = { FALSE, 0, -1 };
- GST_DEBUG_OBJECT (element, "copy metadata %s", g_type_name (info->api));
- /* simply copy then */
- info->transform_func (outbuf, *meta, inbuf,
- _gst_meta_transform_copy, ©_data);
- } else {
- GST_DEBUG_OBJECT (element, "not copying metadata %s",
- g_type_name (info->api));
- }
-
- return TRUE;
-}
-
-/* TODO: Should probably make copy_tag an array at some point */
-void
-gst_rtp_copy_meta (GstElement * element, GstBuffer * outbuf, GstBuffer * inbuf,
- GQuark copy_tag)
-{
- CopyMetaData data = { element, outbuf, copy_tag };
-
- gst_buffer_foreach_meta (inbuf, foreach_metadata_copy, &data);
-}
-
-static gboolean
-foreach_metadata_drop (GstBuffer * inbuf, GstMeta ** meta, gpointer user_data)
-{
- DropMetaData *data = user_data;
- GstElement *element = data->element;
- GQuark keep_tag = data->keep_tag;
- const GstMetaInfo *info = (*meta)->info;
- const gchar *const *tags = gst_meta_api_type_get_tags (info->api);
-
- if (!tags || (keep_tag != 0 && g_strv_length ((gchar **) tags) == 1
- && gst_meta_api_type_has_tag (info->api, keep_tag))) {
- GST_DEBUG_OBJECT (element, "keeping metadata %s", g_type_name (info->api));
- } else {
- GST_DEBUG_OBJECT (element, "dropping metadata %s", g_type_name (info->api));
- *meta = NULL;
- }
-
- return TRUE;
-}
-
-/* TODO: Should probably make keep_tag an array at some point */
-static void
-gst_rtp_drop_meta (GstElement * element, GstBuffer * buf, GQuark keep_tag)
-{
- DropMetaData data = { element, keep_tag };
-
- gst_buffer_foreach_meta (buf, foreach_metadata_drop, &data);
-}
-