Create HTML5 <audio> compatible files out of MP3 using ffmpeg

gistfile1.txt

# -*- coding: utf8 -*-
import os
import subprocess

def create_prelisten_ogg(mp3, ogg):
    """
    Run en-code for a single file

    Do 48 kbit files for prelisten.
    """

    FFMPEG = os.environ['FFMPEG']
    cmdline = [ FFMPEG, '-y', '-i', mp3, '-acodec', 'libvorbis', '-ar', '22050', '-ac', '1', '-ab', '48000', ogg ]
    return subprocess.call(cmdline)

def create_prelisten_aac(mp3, aac):
    """
    Run en-code for a single file

    Do 48 kbit files for prelisten.
    """

    FFMPEG = os.environ['FFMPEG']
    cmdline = [ FFMPEG, '-y', '-i', mp3, '-acodec', 'libfaac', '-ar', '22050', '-ac', '1', '-ab', '48000', aac ]
    return subprocess.call(cmdline)