vorbisgain --version (return code: 0)
VorbisGain v0.36 (libvorbis 1.0)
vorbisgain --help (return code: 0)
VorbisGain v0.36 (libvorbis 1.0)
Copyright (c) 2002-2005 Gian-Carlo Pascutto <gcp@sjeng.org>
and Magnus Holmgren <lear@algonet.se>
Usage: vorbisgain [options] input.ogg [...]
OPTIONS:
-a, --album Run in Album (Audiophile) mode.
-g, --album-gain=n Set Album gain to the specified value. Implies -a
-c, --clean Remove any VorbisGain tags. No gains are calculated
-C, --convert Convert VorbisGain tags from old to new style
-d, --display-only Display results only. No files are modified
-f, --fast Don't recalculate tagged files
-h, --help Print this help text
-n, --no-progress Don't show progress, just print results
-q, --quiet Don't print any output (except errors)
-p, --preserve-mtime Don't change the timestamps
-r, --recursive Search for files recursively, each folder as an album
-s, --skip Skip non-Vorbis or faulty files
-v, --version Display version number and exit
INPUT FILES:
ReplayGain input files must be Ogg Vorbis I files with
1 or 2 channels and a sample rate of 48 kHz, 44.1 kHz,
32 kHz, 24 kHz, 22050 Hz, 16 kHz, 12 kHz, 11025 Hz or 8 kHz.
Wildcards (?, *) can be used in the filename.