75 lines
3.1 KiB
Bash
Executable File
75 lines
3.1 KiB
Bash
Executable File
#!/bin/sh
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txt_to_wav() {
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hash=$(echo $arg1 | md5sum | cut -d" " -f1)
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xxd -r -p $arg1 > out-$hash.sbc
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# sbcinfo out-$hash.sbc
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ffmpeg -y \
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-v quiet `# verbosity - other options are "quiet", "error", "panic"` \
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-f sbc `# accept SBC format` \
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-ac 1 `# audio channel: #1` \
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-i ./out-$hash.sbc `# input file: out.raw` \
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$arg2 `# output to $arg2`
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rm out-$hash.sbc
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}
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audio_to_txt() {
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hash=$(echo $arg1 | md5sum | cut -d" " -f1)
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ffmpeg -y \
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-v quiet `# verbosity - other options are "quiet", "error", "panic"` \
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-i $arg1 `#input file: $arg1` \
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-f sbc `#output format: SBC` \
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-ar 16000 `# audio rate: 16 kHz` \
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-ac 1 `# audio channel: #1` \
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-aq 16 `# audio quality: 16 (for SBC this means bitpool=16)` \
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-map_metadata -1 `# ????` \
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out-$hash.sbc `# output to out.raw`
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# sbcinfo out-$hash.sbc
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xxd -i out-$hash.sbc `# output in C include file style` \
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| head -n -2 `# skip last two xxd outline lines (skip C formatting)` \
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| tail -n +2 `# start output on line 2 of xxd output (skip C formatting)` \
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| sed 's/ //g' `# remove spaces` \
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| tr --delete '\n' `# remove newlines` \
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| sed 's/,/\,\n/16; P; D' `# collect into lines with the right length` \
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> $arg2
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rm out-$hash.sbc
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}
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audio_to_cpp() {
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hash=$(echo $arg1 | md5sum | cut -d" " -f1)
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filename="out-$hash.sbc"
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varname=$(echo $arg1 | rev | cut -c5- | cut -d"/" -f1 | rev | tr '[:lower:]' '[:upper:]' | tr "/" _)
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ffmpeg -y \
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-v quiet `# verbosity - other options are "quiet", "error", "panic"` \
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-i $arg1 `#input file: $arg1` \
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-f sbc `#output format: SBC` \
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-ar 16000 `# audio rate: 16 kHz` \
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-ac 1 `# audio channel: #1` \
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-aq 16 `# audio quality: 16 (for SBC this means bitpool=16)` \
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-map_metadata -1 `# ????` \
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$varname `# output to something like EN_SOUND_POWER_ON`
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echo "#include <stdint.h>\n" > $arg2
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# sbcinfo out-$hash.sbc
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xxd -i $varname `# output in C include file style` \
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>> $arg2
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sed -i "s/unsigned char/uint8_t/g" $arg2
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#rm $filename
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}
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[ "${1}" = "-T" ] || [ "${1}" = "--txt-to-wav" ] && shift 1 && args=$@ && arg1=$(echo $args | cut -d" " -f1) && arg2=$(echo $args | cut -d" " -f2) && txt_to_wav && exit
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[ "${1}" = "-A" ] || [ "${1}" = "--audio-to-txt" ] && shift 1 && args=$@ && arg1=$(echo $args | cut -d" " -f1) && arg2=$(echo $args | cut -d" " -f2) && audio_to_txt && exit
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[ "${1}" = "-C" ] || [ "${1}" = "--audio-to-cpp" ] && shift 1 && args=$@ && arg1=$(echo $args | cut -d" " -f1) && arg2=$(echo $args | cut -d" " -f2) && audio_to_cpp && exit
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echo "
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Sound format converter:
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Usage:
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./convert.sh [option] [input-file] [output-file]
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Options:
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-T or --txt-to-wav Converts the text file to a wav audio file
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-A or --audio-to-txt Converts a wav file to a file readable by the old pinebuds firmware
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-C or --audio-to-cpp Converts a wav file to a file compilable into the pinebuds firmware
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"
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