If flushing, flush out and unref any messages queued in the bus. Releases references to the message origin objects. Will flush future messages until gst_bus_set_flushing() sets flushing to FALSE. MT safe.
whether or not to flush the bus
See Implementation
If flushing, flush out and unref any messages queued in the bus. Releases references to the message origin objects. Will flush future messages until gst_bus_set_flushing() sets flushing to FALSE. MT safe.