Gst.Message.prototype.parse_qos_stats
function parse_qos_stats():void { // Gjs wrapper for gst_message_parse_qos_stats() }
Extract the QoS stats representing the history of the current continuous pipeline playback period.
When format is @GST_FORMAT_UNDEFINED both dropped and processed are invalid. Values of -1 for either processed or dropped mean unknown values.
MT safe.