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#!/bin/bash
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#input file format: flac, mp3, ogg, opus, f4a, m4a, wma, wav |||||| f4v, m4v, mp4, mpg, mpeg, vob, ts, m2v, ogv, mov, webm, flv, mkv, wmv, avi
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#output file format: <exclude input file format>, <exclude flac>, mp3, ogg, opus, f4a, m4a, wma, wav
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#--caption="Select Format" --icon=system-search disabled, since not supported by KDE5 kdialog
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CHOICE=$(kdialog --icon=system-search --radiolist "Convert file(s) to" \
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1 "aac (default)" on \
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2 "ac3 (192 kbps)" off \
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3 "mp3 (192 kbps)" off \
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4 "ogg (192 kbps)" off \
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5 "opus (default)" off \
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6 "wav (default)" off \
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7 "wma (192 kbps)" off \
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);
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if [ "$?" = 0 ]; then
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if [ "$CHOICE" = 1 ]; then
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OUTPUT_FILEFORMAT='aac'
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OUTPUT_FILECODEC='aac'
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EXTRA_PARAMS='-strict -2' #Required by acc codec
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elif [ "$CHOICE" = 2 ]; then
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OUTPUT_FILEFORMAT='ac3'
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OUTPUT_FILECODEC='ac3'
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EXTRA_PARAMS='-ab 192k' #Bitrate 192kbps
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elif [ "$CHOICE" = 3 ]; then
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OUTPUT_FILEFORMAT='mp3'
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OUTPUT_FILECODEC='libmp3lame'
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EXTRA_PARAMS='-ab 192k' #Bitrate 192kbps
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elif [ "$CHOICE" = 4 ]; then
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OUTPUT_FILEFORMAT='ogg'
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OUTPUT_FILECODEC='libvorbis'
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EXTRA_PARAMS='-ab 192k' #Bitrate 192kbps
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elif [ "$CHOICE" = 5 ]; then
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OUTPUT_FILEFORMAT='opus'
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OUTPUT_FILECODEC='libopus'
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EXTRA_PARAMS=''
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elif [ "$CHOICE" = 6 ]; then
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OUTPUT_FILEFORMAT='wav'
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OUTPUT_FILECODEC='adpcm_ima_wav'
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EXTRA_PARAMS=''
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elif [ "$CHOICE" = 7 ]; then
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OUTPUT_FILEFORMAT='wma'
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OUTPUT_FILECODEC='wmav2'
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EXTRA_PARAMS='-ab 192k' #Bitrate 192kbps
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else
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exit 1
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fi
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else
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exit 1
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fi
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while [ $# -gt 0 ]; do
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INPUT_FILE=$1
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OUTPUT_FILE=$(echo "$INPUT_FILE" | sed "s/\.\w*$/.$OUTPUT_FILEFORMAT/")
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ffmpeg -i "$INPUT_FILE" -vn -acodec $OUTPUT_FILECODEC $EXTRA_PARAMS -y "$OUTPUT_FILE"
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shift
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done
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exit 0
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###ffmpeg command parameters explained
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#i = Input <file>
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#vn = Disable video
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#acodec = Used Audio Codec
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#y = Overwrite output files
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