#!/bin/bash
declare soxtaskid
decodeFile() {
	case "$mimetype" in
		'video/'*)
			(( disablevideo )) && continue
			extractAudio
			if (( ${destinationnormalize["$destination"]}))\
			|| (
			[ -n "${destinationfrequency["$destination"]}" ]\
			&& (( ${rate:-0} != ${destinationfrequency["$destination"]}))\
			) || (
			[ -n "${destinationchannels["$destination"]}" ]\
			&& (( ${channels:-0} != ${destinationchannels["$destination"]} ))
			)
			then
				sox_needed=1
			fi
		;;
		'audio/mpeg')
			if [[ ${destinationformat[$destination]} = mp3 ]] \
			&& checkCopy
			then
				copied=1
			else
				decodeSox
			fi
		;;
		'application/ogg opus')
			if [[ ${destinationformat[$destination]} = opus ]] \
			&& checkCopy
			then
				copied=1
			else
				(( disableopusdec )) && continue
				decodeOpusdec
				if (( ${destinationnormalize["$destination"]}))\
				|| (
				[ -n "${destinationfrequency["$destination"]}" ]\
				&& (( ${rate:-0} != ${destinationfrequency["$destination"]}))\
				) || (
				[ -n "${destinationchannels["$destination"]}" ]\
				&& (( ${channels:-0} != ${destinationchannels["$destination"]} ))
				)
				then
					sox_needed=1
				fi
			fi
		;;
		'application/ogg'*)
			if [[ ${destinationformat[$destination]} = vorbis ]] \
			&& checkCopy
			then
				copied=1
			else
				decodeSox
			fi
		;;
		'audio/x-flac')
			decodeSox
		;;
		*)
			extendedtype=$(file -b "$sourcepath/$filename")
			case "$extendedtype" in
				*'Musepack '*)
					(( disablempcdec )) && continue
					decodeMpcdec
					if (( ${destinationnormalize["$destination"]}))\
					|| (
					[ -n "${destinationfrequency["$destination"]}" ]\
					&& (( ${rate:-0} != ${destinationfrequency["$destination"]}))\
					) || (
					[ -n "${destinationchannels["$destination"]}" ]\
					&& (( ${channels:-0} != ${destinationchannels["$destination"]} ))
					)
					then
						sox_needed=1
					fi
				;;
				*)
					if (( disablevideo ))
					then
						decodeSox
					else
						extractAudio
						if (( ${destinationnormalize["$destination"]}))\
						|| (
						[ -n "${destinationfrequency["$destination"]}" ]\
						&& (( ${rate:-0} != ${destinationfrequency["$destination"]}))\
						) || (
						[ -n "${destinationchannels["$destination"]}" ]\
						&& (( ${channels:-0} != ${destinationchannels["$destination"]} ))
						)
						then
							sox_needed=1
						fi
					fi
				;;
			esac
		;;
	esac
	if ! (( copied ))
	then
		if ! decodetaskid=$(
			Select tasks id <<<"key = $tmpfile"
		)
		then
			decodetaskid=$(
				Insert tasks <<-EOInsert
					key		$tmpfile
					source_file	$fileid
					$(
						for key in ${!commandline[@]}
						do
							echo "cmd_arg$key ${commandline[key]}"
						done
					)
					status		0
				EOInsert
			)
			progressSpin
		fi
		if (( sox_needed ))
		then
			cleanup="$tempdir/$tmpfile"
			decodeSox "$tempdir/$tmpfile.wav"
			if ! soxtaskid=$(
				Select tasks id <<<"key = $tmpfile"
			)
			then
				soxtaskid=$(
					Insert tasks <<-EOInsert
						key		$tmpfile
						source_file	$fileid
						$(
							for key in ${!commandline[@]}
							do
								echo "cmd_arg$key ${commandline[key]}"
							done
						)
						requires	$decodetaskid
						required	$decodetaskid
						status		0
						cleanup		$cleanup
					EOInsert
				)
				progressSpin
			fi
		fi
	fi
}