def encode(input, vcodec, acodec, fmt, output, bin):
    FFMPEG_PATH = bin
    ffmpeg = subprocess.Popen([
                            FFMPEG_PATH,
                            '-i', input,
                            '-c:v', vcodec, '-profile:v', '3',
                            '-c:a', acodec,
                            '-ar', '48k',
                            '-map', '0:0',
                            '-map', '0:1', '-map_channel', '0.1.0:0.1',
                            '-map', '0:1', '-map_channel', '0.1.1:0.2',
                            '-map', '0:1', '-map_channel', '0.1.2:0.3',
                            '-map', '0:1', '-map_channel', '0.1.3:0.4',
                            '-map', '0:1', '-map_channel', '0.1.4:0.5',
                            '-map', '0:1', '-map_channel', '0.1.5:0.6',
                            '-map', '0:1', '-map_channel', '0.1.6:0.7',
                            '-map', '0:1', '-map_channel', '0.1.7:0.8',
                            '-f', fmt,
                            '-y', output
                            ],
                            shell=False)

    (out, err) = ffmpeg.communicate()
    start_print = False

    for line in out:
        if 'Input' in line: start_print = True
        if start_print: print line
        break