mkvedit

#!/usr/bin/python3

# Script to encode/remux multiple video files.
# Edit the first three variables accordingly.
# Dependencies: Python 3, [FFmpeg/mkvmerge].

import os
import mimetypes
from shlex import split
import subprocess

# edit the variables: inputFilename, outputFilename, mkvcmd

# common string in the input filename
# that is ALSO NOT in the `outputFilename` below IF POSSIBLE; else remove the files that were generated by this script before running it again when some error happens.
inputFilename = 'YURASUKA'

# output filename format
outputFilename = 'Overlord - S01E{episode}.mkv'

# copy the mkv cmd, remove --title, and insert {output} & {input} in proper place.
mkvcmd = "mkvmerge --ui-language en_US --priority lower --output '{output}' --audio-tracks 2 --subtitle-tracks 6 --language 0:ja --track-name '0:YURASUKA 1080p x265' --display-dimensions 0:1920x1080 --language 2:ja --track-name '2:Japanese FLAC 2.0' --sub-charset 6:UTF-8 --language 6:en --track-name '6:Full Subtitles (SallySubs)' '{input}' --track-order 0:0,0:2,0:6"


def filterVid(file):
    fullPath = os.path.join(os.getcwd(), file)
    guessType = mimetypes.guess_type(fullPath)

    isFile = os.path.isfile(fullPath)
    isNotNoneType = guessType[0] is not None

    isTypeMatched = isNotNoneType and (
        'video' in guessType[0] or file.endswith('.ts'))  # *.ts files are wrongly(?) identified by mimetypes as 'text'.

    isCorrectInput = inputFilename in file

    if isFile and isTypeMatched and isCorrectInput:
        return True
    else:
        return False


listdir = os.listdir()
filteredDir = list(filter(filterVid, listdir))
filteredDir.sort()

for idx, file in enumerate(filteredDir, start=1):
    numbering = "0" + str(idx) if (idx < 10) else idx
    outputFormat = outputFilename.format(episode=numbering)
    cmdFormat = mkvcmd.format(input=file, output=outputFormat)
    cmdArr = split(cmdFormat)
    print("\n", cmdArr, "\n")
    # subprocess.run(cmdArr)