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converts files between .wav and the .txt format used by the pinebuds
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#!/bin/sh | |
txt_to_wav() { | |
xxd -r -p $args > out.raw | |
ffmpeg -f sbc -ac 1 -i ./out.raw output.wav | |
rm ./out.raw | |
} | |
wav_to_txt() { | |
ffmpeg -i $args -f sbc -ac 16000 -ac 1 -map_metadata -1 out.raw | |
xxd -i ./out.raw | head -n -2 \ | |
| tail -n +2 | sed 's/ //g' \ | |
| tr --delete '\n' \ | |
| sed 's/,/\,\n/16; P; D' > SOUND.txt | |
rm ./out.raw | |
} | |
[ ${1} = "-T" ] || [ ${1} = "--txt-to-wav" ] && shift 1 && args=$@ && txt_to_wav && exit | |
[ ${1} = "-W" ] || [ ${1} = "--wav-to-txt" ] && shift 1 && args=$@ && wav_to_txt && exit | |
echo " | |
Sound format converter: | |
Usage: | |
./convert.sh [option] [input-file] | |
Options: | |
-T or --txt-to-wav Converts the text file to a wav audio file (output.wav) | |
-W or --wav-to-txt Converts a wav file to a file readable by the pinebuds firmware (SOUND.txt) | |
" |
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