Change the control-rate for this this.
Audio processing Element objects will use this rate to sub-divide their processing
loop and call sync_values in between. The length of the processing segment should
be up to control-rate nanoseconds.
The control-rate should not change if the element is in PAUSED or PLAYING.
| this |
the object that has controlled properties |
| control_rate |
the new control-rate in nanoseconds. |