ftv.py

import os
import requests
import shutil


def _dl(url, path):
    print("download", url, "to", path)
    response = requests.get(url, stream=True)
    if response.status_code != 200:
        return
    with open(path, 'wb') as out_file:
        shutil.copyfileobj(response.raw, out_file)
    del response


urltmp = '...mp4.csmil/segment%d_4_av.ts?null=0'


def download(i):
    url = urltmp % i
    path = 'video%d.ts' % i
    if not os.path.exists(path):
        return
    try:
        #if not _dl(url, path):
        #    return
        return path
    except Exception as e:
        print("error", e)
        return


i = 1
files = []
while True:
    f = download(i)
    if f is None:
        break
    files.append(f)
    i += 1


cmd = 'cat %s > out.ts' % ' '.join(files)
os.system(cmd)

os.system('ffmpeg -i out.ts -acodec copy -vcodec copy out.mp4')