Adds a bus signal watch to the default main context with the given priority.
After calling this statement, the bus will emit the "message" signal for each
message posted on the bus when the main loop is running.
This function may be called multiple times. To clean up, the caller is
responsible for calling gst_bus_remove_signal_watch() as many times as this
function is called.
MT safe.
Adds a bus signal watch to the default main context with the given priority. After calling this statement, the bus will emit the "message" signal for each message posted on the bus when the main loop is running. This function may be called multiple times. To clean up, the caller is responsible for calling gst_bus_remove_signal_watch() as many times as this function is called. MT safe.