/**
* gst_preset_rename_preset:
* @preset: a #GObject that implements #GstPreset
* @old_name: current preset name
* @new_name: new preset name
*
* Renames a preset. If there is already a preset by the @new_name it will be
* overwritten.
*
* Returns: %TRUE for success, %FALSE if e.g. there is no preset with @old_name
*/
gboolean
gst_preset_rename_preset (GstPreset * preset, const gchar * old_name,
const gchar * new_name)
{
g_return_val_if_fail (GST_IS_PRESET (preset), FALSE);
g_return_val_if_fail (old_name, FALSE);
g_return_val_if_fail (new_name, FALSE);
return (GST_PRESET_GET_INTERFACE (preset)->rename_preset (preset, old_name,
new_name));
}
/**
* gst_preset_get_meta:
* @preset: a #GObject that implements #GstPreset
* @name: preset name
* @tag: meta data item name
* @value: (out callee-allocates): value
*
* Gets the @value for an existing meta data @tag. Meta data @tag names can be
* something like e.g. "comment". Returned values need to be released when done.
*
* Returns: %TRUE for success, %FALSE if e.g. there is no preset with that @name
* or no value for the given @tag
*/
gboolean
gst_preset_get_meta (GstPreset * preset, const gchar * name, const gchar * tag,
gchar ** value)
{
g_return_val_if_fail (GST_IS_PRESET (preset), FALSE);
g_return_val_if_fail (name, FALSE);
g_return_val_if_fail (tag, FALSE);
g_return_val_if_fail (value, FALSE);
return GST_PRESET_GET_INTERFACE (preset)->get_meta (preset, name, tag, value);
}
static void
print_preset_list (GstElement * element)
{
gchar **presets, **preset;
if (!GST_IS_PRESET (element))
return;
presets = gst_preset_get_preset_names (GST_PRESET (element));
if (presets && *presets) {
n_print ("\n");
n_print ("Presets:\n");
for (preset = presets; *preset; preset++) {
n_print (" \"%s\"\n", *preset);
}
g_strfreev (presets);
}
}