Convert MPEG TS file to Mp4 file using Handbrake CLI , Preset Android Tablet

hb_convert_batch.py

# coding: utf-8
from __future__ import division, print_function, absolute_import, unicode_literals

import os
import sys
import itertools
import subprocess


def main():
    # ファイル一欄を作る
    walkgen_list = list(os.walk(sys.argv[1]))
    filelist = []
    for dpath, dname, dfilename in walkgen_list:
        abs_dpath = os.path.abspath(dpath)
        # print(os.path.join(abs_dpath))
        for fname in dfilename:
            if os.path.splitext(fname)[1] in (".mp4", ".ts"):
                filelist.append(os.path.join(abs_dpath, fname))
    # 同じファイルベースネームでmp4とtsが対になっているか調べて、tsのみのファイルを上げる
    none_convert_ts = []
    grouping_file_basename = itertools.groupby(filelist, lambda x: os.path.splitext(x)[0])

    for k, g in grouping_file_basename:
        list_g = list(g)
        if len(list_g) == 1:
            none_convert_ts.append(list_g[0])

    # tsファイルをhandbrakecliに渡す
    for tsfilename in none_convert_ts:
        (tsfilebase, fext) = os.path.splitext(tsfilename)
        mp4_path = "{}{}".format(tsfilebase, ".mp4")
        try:
            subprocess.check_call(
                "HandBrakeCLI -i {} -o {} --preset=\"Android Tablet\"".format(tsfilename, mp4_path), shell=True)
            print("convertfile:{} next file".format(tsfilename))
        except subprocess.CalledProcessError:
            print("CalledProcessError!!, next file")

if __name__ == '__main__':
    main()