from pathlib import Path
import subprocess

def get_audio_duration(file_path: Path):
    """
    Get the actual duration of the first audio stream by asking ffprobe
    to count packets/frames if the stream metadata is missing.
    Returns duration in seconds.
    """

    # As a last resort, use the format duration
    result = subprocess.run([
        "ffprobe",
        "-v", "error",
        "-select_streams", "a:0",
        "-show_entries", "stream_tags=DURATION",
        "-of", "default=noprint_wrappers=1:nokey=1",
        file_path
        ],
        stdout=subprocess.PIPE,
        stderr=subprocess.PIPE,
        text=True
    )
    result = result.stdout.strip().split(":")[::-1]
    # if DEBUG: print(f"audio duration: {result}")
    res = 0
    if not result:
        raise ValueError(f"Could not extract length")
    for i in range(len(result)):
        res += float(result[i])*(60**i)
    return res

printget_audio_duration(Path("/home/honney/mount/Media/tmp/serien/ready/Classroom of the Elite/Season 01/E01_original_audio2.mka"))