urls_downloaded_cb({"token":"original","urls":[{"url":"gstvideoanc.html#GstVideoCaptionType","node_type":"p","context":{"gi-language":["c","javascript","python"]}},{"url":"gstvideocodecalphameta.html#GstVideoCodecAlphaMeta","node_type":"p","context":{"gi-language":["c","javascript","python"]}}]});