#!/bin/bash
checkCopy() {
	(
		[ -z "${destinationfrequency[$destination]}" ]		\
		|| (( ${rate:-0} == ${destinationfrequency[$destination]} ))
	) && (
		[ -z "${destinationchannels[$destination]}" ]		\
		|| (( ${channels:-0} == ${destinationchannels[$destination]} ))
	) && (
		(( ${bitrate:-1000} == ${destinationquality[$destination]} ))	\
		|| (
			[ -n "${destinationmaxbps[$destination]}" ]	\
			&& ((
				${bitrate:-1000}
				<= ${destinationmaxbps[$destination]:-0}
			))
		)
	)
}