Gst.Message.new_stream_start

function new_stream_start(src:Gst.Object):Gst.Message {
    // Gjs wrapper for gst_message_new_stream_start()
}

Create a new stream_start message. This message is generated and posted in the sink elements of a GstBin. The bin will only forward the STREAM_START message to the application if all sinks have posted an STREAM_START message.