clorax / mixr

Generate an MP3 mix from an .m3u playlist.

mixr

Generate an MP3 mix from an .m3u playlist.

mixr leverages the excellent pydub library to generate a mix from an M3U playlist file, with crossfading and normalization.

$ mixr -h
usage: mixr [-h] [--bitrate <bitrate=320k>] [--crossfade <seconds=2>] [--fade-out <seconds=20>] [--gain <dBFS=-10.0>] [--intro] [--output <filename>] <filename>

Generate a mix from an M3U playlist.

positional arguments:
  <filename>            Path to the playlist file.

optional arguments:
  -h, --help            show this help message and exit
  --bitrate <bitrate=320k>
                        Bitrate of output file.
  --crossfade <seconds=2>
                        Crossfade duration (in seconds).
  --fade-out <seconds=20>
                        Fade out duration (in seconds).
  --gain <dBFS=-10.0>   Target gain level for mix.
  --intro               Intro mode (i.e. don't crossfade first track).
  --output <filename>   Path to the output file.

Installation

OS X & Linux:

1. Install Python.

2. Run the following commands:

   $ git clone https://github.com/soulprovidr/mixr.git
   $ cd mixr
   $ pip install .
   

Usage example

playlist.m3u

#EXTM3U
#EXTINF:345,11 2Pac - Can U Get Away (Me Against The World)
/storage/Music/staging/2Pac - Me Against The World/2Pac - Can U Get Away.mp3
#EXTINF:279,9 2Pac - Dear Mama (Me Against The World)
/storage/Music/staging/2Pac - Me Against The World/2Pac - Dear Mama.mp3
#EXTINF:294,10 2Pac - It Ain't Easy (Me Against The World)
/storage/Music/staging/2Pac - Me Against The World/2Pac - It Ain't Easy.mp3

$ mixr playlist.m3u --bitrate 128k
Mix successfully exported as: Sep-04-2019-23:49:32.mp3

License

Distributed under the GNU GPLv3 license. See LICENSE for more information.