MKA + MKV batch combiner (py)

mkvmkacomp.py

# This script can easily combine MKV and MKA files to the single MKV package
# Required installed ffmpeg (can be easily done with brew install ffmpeg)
# As a bonus, can copy ass subtites as well
# Enjoy :)
# by Mane Function (2023)

import os
import shutil
import subprocess

# Define the root folder and output path
root_folder = '/path/to/source/folder'  # Source folder path
output_path = '/path/to/target/folder'  # Target folder path

# Recursively traverse the root folder
for folder, subfolders, files in os.walk(root_folder):
    for file in files:
        if file.endswith('.mkv'):
            input_video = os.path.join(folder, file)
            input_audio = os.path.join(folder, file.replace('.mkv', '.mka'))
            output_file = os.path.join(output_path, os.path.relpath(input_video, root_folder))

            # Create the output directory structure if it doesn't exist
            output_dir = os.path.dirname(output_file)
            if not os.path.exists(output_dir):
                os.makedirs(output_dir)

            # Construct the FFmpeg command
            ffmpeg_command = [
                'ffmpeg', '-i', input_video, '-i', input_audio,
                '-codec', 'copy', output_file
            ]

            # Run the FFmpeg command
            subprocess.call(ffmpeg_command)

            # Copy the corresponding .ass file
            subtitle_file = os.path.join(folder, file.replace('.mkv', '.ass'))
            if os.path.exists(subtitle_file):
                output_subtitle = os.path.join(output_path, os.path.relpath(subtitle_file, root_folder))
                output_subtitle_dir = os.path.dirname(output_subtitle)
                if not os.path.exists(output_subtitle_dir):
                    os.makedirs(output_subtitle_dir)
                shutil.copy(subtitle_file, output_subtitle)

print("Conversion and copying completed.")