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May 24, 2022 16:51
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Converts multiple mp3 to one single mp3
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| #!/bin/bash | |
| for d in */ ; do | |
| mp3PATH=$PWD/"$d" | |
| OUTDIR=$(basename "${mp3PATH//\'}") | |
| echo $mp3PATH $OUTDIR | |
| if [ -d "$mp3PATH" ]; then | |
| for d2 in "$mp3PATH"*; do | |
| MIN_BITRATE=$(soxi -B "$d2"/*.mp3 | grep -o -E '[0-9]+' | sort -n | head -1) | |
| echo "Min bitrate: " $MIN_BITRATE | |
| if [ $MIN_BITRATE -lt 160 ]; then | |
| BITRATE=128 | |
| elif [ $MIN_BITRATE -lt 192 ]; then | |
| BITRATE=160 | |
| elif [ $MIN_BITRATE -lt 224 ]; then | |
| BITRATE=192 | |
| elif [ $MIN_BITRATE -lt 256 ]; then | |
| BITRATE=224 | |
| elif [ $MIN_BITRATE -lt 320 ]; then | |
| BITRATE=256 | |
| else | |
| BITRATE=320 | |
| fi | |
| # BITRATE=256 # STATICALLY DEFINED | |
| echo "Bitrate for sox -C: " $BITRATE | |
| OUTFILE=$(basename "${d2//\'}") | |
| OUT_DIR=/home/your-outdir/"$OUTDIR" | |
| [ -d "$OUT_DIR" ] || mkdir "$OUT_DIR" | |
| echo $OUT_DIR | |
| # Add files info | |
| echo -n > "$OUT_DIR"/"$OUTFILE"_info.txt | |
| for f in "$d2"/*.{mp3,Mp3,MP3,mP3}; do | |
| if [ -f "$f" ]; then | |
| BF=$(basename "$f") | |
| E=$(soxi -d "$f") | |
| echo "$BF | $E" >> "$OUT_DIR"/"$OUTFILE"_info.txt | |
| fi | |
| if [ ! -f "$f".wav ]; then | |
| echo "$f" | |
| ffmpeg -i "$f" -ar 44100 "$f".wav >/dev/null 2>&1 | |
| fi | |
| done | |
| for f in "$d2"/*.flac; do | |
| if [ -f "$f" ]; then | |
| BF=$(basename "$f") | |
| E=$(soxi -d "$f") | |
| echo "$BF | $E" >> "$OUT_DIR"/"$OUTFILE"_info.txt | |
| fi | |
| if [ ! -f "$f".wav ]; then | |
| echo "$f" | |
| ffmpeg -i "$f" "$f".wav >/dev/null 2>&1 | |
| fi | |
| done | |
| WAV="$d2"/*.wav | |
| sox "$WAV" -C $BITRATE "$OUT_DIR"/"$OUTFILE"_"$BITRATE"k.mp3 | |
| echo "Removing partial WAV files..." | |
| rm "$d2"/*.wav | |
| done | |
| fi | |
| done |
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