Fork of mp3gain with aacgain ready to build on modern OS X
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VBGUI MP3Gain Version 1.2.3 Apr 2, 2004
aacgain
faad2
installer
mp3gain Remainder of initial sourceforge CVS import Jan 3, 2013
mp3gainwx
mp4v2
website Remainder of initial sourceforge CVS import Jan 3, 2013
.gitignore Initial commit Jan 3, 2013
README.md Update READMEs Mar 6, 2016

README.md

mp3gain

This repository contains all the source code you need to build aacgain on OS X 10.11 (El Capitan), without need to look for source code on other sites.

It combines the original mp3gain repository that elfchief copied to GitHub with the source code to build mp4v2 from the almost-defunct Google Code and and the source code libfaad from the SourceForge. (Remember when SourceForge cool like Github is now? OK I'm old. :) It also includes a couple patches to mp4v2.
See the commit history for more details on exactly what was patched and included.

Instructions for compiling aacgain are in aacgain/linux/README.linux.

(If you just want mp3gain, it can be compiled

I was able to build this with build tools I already had installed (xcode, homebrew) plus brew instal libtool to resolve an error about libtool.

PLEASE NOTE that I did not write and do not claim authorship or copyright over this code. I am posting it as a courtesy to others who may find it useful, and believe this to be in compliance with the Open Source licenses used by the original authors.

Usage

For example, to update a single file to a better volume level (BACKUP YOUR FILE BEFORE RUNNING):

./aacgain -r path/to/file.m4a

I found the -r switch was needed to make it automatically increase the level of a single file (by default I beleive it expects more than one file to make a change).