g_object_class_install_property (gobject_class, PROP_SUBS_TEMPLATE,
g_param_spec_string ("subtitles-template", "Subtitles output template",
"Output template used to print each one of the subtitles lines",
g_object_class_install_property (gobject_class, PROP_SUBS_TEMPLATE,
g_param_spec_string ("subtitles-template", "Subtitles output template",
"Output template used to print each one of the subtitles lines",