make_video_clips_lossless.py

import subprocess
from pathlib import Path

input_video_path = r"C:\Users\Iver\Videos\my_video.mkv"
clips = [
    {"start": "16:10", "end": "20:08", "name": "Good vibrations"},
    {"start": "21:08", "end": "23:10", "name": "Mister Sandman"},
    {"start": "24:20", "end": "27:10", "name": "Ave Verum"},
    {"start": "28:04", "end": "29:59", "name": "White Winter Hymnal"},
]
output_dir = r"C:\Users\Iver\Videos\clips"

for clip in clips:
    command = [
        "ffmpeg",
        "-y",
        "-i",
        Path(input_video_path).as_posix(),
        "-c:v",
        "copy",
        "-c:a",
        "flac",
        "-ss",
        clip["start"],
        "-to",
        clip["end"],
        (Path(output_dir) / f"{clip['name']}.mp4").as_posix(),
    ]

    # Run the command and display the output in the console
    subprocess.run(command, check=True)