#!/usr/bin/python3
import subprocess
import os
from glob import glob

for xml in glob('output/*.xml'):
    mp4 = xml.replace('.xml', '.mp4')
    if not os.path.exists(mp4) or os.path.getmtime(xml) > os.path.getmtime(mp4):
        subprocess.call([
            'qmelt', xml, '-consumer', 'avformat:' + mp4 + '.mp4', 'vcodec=libx264'
        ])
        subprocess.call([
            'qmelt', xml, '-consumer', 'avformat:' + mp4 + '.wav',
        ])
        subprocess.call([
            'ffmpeg', '-y',
            '-i', mp4 + '.mp4',
            '-i', mp4 + '.wav',
            '-c:v', 'copy',
            '-map', '0:v',
            '-map', '1:a',
            '-strict', '-2',
            mp4
        ])