24 lines
907 B
Bash
Executable File
24 lines
907 B
Bash
Executable File
#!/bin/sh
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# Install mp3gain from https://launchpad.net/~flexiondotorg/+archive/ubuntu/audio
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if [ "$#" = "0" ]; then
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echo "Usage: $0 file1 [file2 file3 ... fileN]"
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echo "(Needs package python-rgain to be installed!)"
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exit 1
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fi
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if [ -z "$CONCURRENCY_LEVEL" ]; then
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CONCURRENCY_LEVEL=1
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fi
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echo "Processing using $CONCURRENCY_LEVEL processes..."
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# -q - Quiet mode: no status messages
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# -k - automatically lower Track/Album gain to not clip audio
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# -p - Preserve original file timestamp
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# -r - apply Track gain automatically (all files set to equal loudness)
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# -s i - use ID3v2 tag for MP3 gain info
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# -d <n> - modify suggested dB gain (89dB) by floating-point n
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nice -n2 find "$@" -print0 | xargs -0 -P $CONCURRENCY_LEVEL -n 1 -I {} mp3gain -q -k -p -r -s i -d 4.0 "{}"
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#nice -n2 find "$@" -print0 | xargs -0 -P $CONCURRENCY_LEVEL -n 1 -I {} replaygain --no-album "{}"
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echo "All done."
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