Read a byte from the control socket of the controllable @set.
This function is mostly useful for timer #GstPoll objects created with
gst_poll_new_timer().
Return: %TRUE on success. %FALSE when @set is not controllable or when there
was no byte to read.
Read a byte from the control socket of the controllable @set. This function is mostly useful for timer #GstPoll objects created with gst_poll_new_timer().
Return: %TRUE on success. %FALSE when @set is not controllable or when there was no byte to read.