static gboolean
gst_gio_base_src_query (GstBaseSrc * base_src, GstQuery * query)
{
gboolean ret = FALSE;
GstGioBaseSrc *src = GST_GIO_BASE_SRC (base_src);
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_URI:
if (GST_IS_URI_HANDLER (src)) {
gchar *uri = gst_uri_handler_get_uri (GST_URI_HANDLER (src));
gst_query_set_uri (query, uri);
g_free (uri);
ret = TRUE;
}
break;
default:
ret = FALSE;
break;
}
if (!ret)
ret = GST_BASE_SRC_CLASS (parent_class)->query (base_src, query);
return ret;
}
static void
print_uri_handler_info (GstElement * element)
{
if (GST_IS_URI_HANDLER (element)) {
const gchar *const *uri_protocols;
const gchar *uri_type;
if (gst_uri_handler_get_uri_type (GST_URI_HANDLER (element)) == GST_URI_SRC)
uri_type = "source";
else if (gst_uri_handler_get_uri_type (GST_URI_HANDLER (element)) ==
GST_URI_SINK)
uri_type = "sink";
else
uri_type = "unknown";
uri_protocols = gst_uri_handler_get_protocols (GST_URI_HANDLER (element));
n_print ("\n");
n_print ("URI handling capabilities:\n");
n_print (" Element can act as %s.\n", uri_type);
if (uri_protocols && *uri_protocols) {
n_print (" Supported URI protocols:\n");
for (; *uri_protocols != NULL; uri_protocols++)
n_print (" %s\n", *uri_protocols);
} else {
n_print (" No supported URI protocols\n");
}
} else {
n_print ("Element has no URI handling capabilities.\n");
}
}
static gboolean
gst_gio_base_sink_query (GstPad * pad, GstQuery * query)
{
GstGioBaseSink *sink = GST_GIO_BASE_SINK (GST_PAD_PARENT (pad));
GstFormat format;
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_POSITION:
gst_query_parse_position (query, &format, NULL);
switch (format) {
case GST_FORMAT_BYTES:
case GST_FORMAT_DEFAULT:
gst_query_set_position (query, GST_FORMAT_BYTES, sink->position);
return TRUE;
default:
return FALSE;
}
case GST_QUERY_FORMATS:
gst_query_set_formats (query, 2, GST_FORMAT_DEFAULT, GST_FORMAT_BYTES);
return TRUE;
case GST_QUERY_URI:
if (GST_IS_URI_HANDLER (sink)) {
const gchar *uri;
uri = gst_uri_handler_get_uri (GST_URI_HANDLER (sink));
gst_query_set_uri (query, uri);
return TRUE;
}
return FALSE;
default:
return gst_pad_query_default (pad, query);
}
}
static gboolean
gst_gio_base_sink_query (GstBaseSink * bsink, GstQuery * query)
{
GstGioBaseSink *sink = GST_GIO_BASE_SINK (bsink);
GstFormat format;
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_POSITION:
gst_query_parse_position (query, &format, NULL);
switch (format) {
case GST_FORMAT_BYTES:
case GST_FORMAT_DEFAULT:
gst_query_set_position (query, format, sink->position);
return TRUE;
default:
return FALSE;
}
case GST_QUERY_FORMATS:
gst_query_set_formats (query, 2, GST_FORMAT_DEFAULT, GST_FORMAT_BYTES);
return TRUE;
case GST_QUERY_URI:
if (GST_IS_URI_HANDLER (sink)) {
gchar *uri;
uri = gst_uri_handler_get_uri (GST_URI_HANDLER (sink));
gst_query_set_uri (query, uri);
g_free (uri);
return TRUE;
}
return FALSE;
case GST_QUERY_SEEKING:
gst_query_parse_seeking (query, &format, NULL, NULL, NULL);
if (format == GST_FORMAT_BYTES || format == GST_FORMAT_DEFAULT) {
gst_query_set_seeking (query, format,
GST_GIO_STREAM_IS_SEEKABLE (sink->stream), 0, -1);
} else {
gst_query_set_seeking (query, format, FALSE, 0, -1);
}
return TRUE;
default:
return GST_BASE_SINK_CLASS (parent_class)->query (bsink, query);
}
}
static void
print_all_uri_handlers (void)
{
GList *plugins, *p, *features, *f;
plugins = gst_registry_get_plugin_list (gst_registry_get ());
for (p = plugins; p; p = p->next) {
GstPlugin *plugin = (GstPlugin *) (p->data);
features =
gst_registry_get_feature_list_by_plugin (gst_registry_get (),
gst_plugin_get_name (plugin));
for (f = features; f; f = f->next) {
GstPluginFeature *feature = GST_PLUGIN_FEATURE (f->data);
if (GST_IS_ELEMENT_FACTORY (feature)) {
GstElementFactory *factory;
GstElement *element;
factory = GST_ELEMENT_FACTORY (gst_plugin_feature_load (feature));
if (!factory) {
g_print ("element plugin %s couldn't be loaded\n",
gst_plugin_get_name (plugin));
continue;
}
element = gst_element_factory_create (factory, NULL);
if (!element) {
g_print ("couldn't construct element for %s for some reason\n",
GST_OBJECT_NAME (factory));
gst_object_unref (factory);
continue;
}
if (GST_IS_URI_HANDLER (element)) {
const gchar *const *uri_protocols;
const gchar *dir;
gchar *joined;
switch (gst_uri_handler_get_uri_type (GST_URI_HANDLER (element))) {
case GST_URI_SRC:
dir = "read";
break;
case GST_URI_SINK:
dir = "write";
break;
default:
dir = "unknown";
break;
}
uri_protocols =
gst_uri_handler_get_protocols (GST_URI_HANDLER (element));
joined = g_strjoinv (", ", (gchar **) uri_protocols);
g_print ("%s (%s, rank %u): %s\n",
gst_plugin_feature_get_name (GST_PLUGIN_FEATURE (factory)), dir,
gst_plugin_feature_get_rank (GST_PLUGIN_FEATURE (factory)),
joined);
g_free (joined);
}
gst_object_unref (element);
gst_object_unref (factory);
}
}
gst_plugin_feature_list_free (features);
}
gst_plugin_list_free (plugins);
}