Get total duration of media files in the current folder

media_duration_dir.py

#!/usr/bin/env python3
import datetime
import subprocess
import sys
from pathlib import Path

# USAGE:
# Total duration of MP4 files (default)
#     mp4_duration_sum.py
# 
# Total duration of MP3 files 
# mp4_duration_sum.py '*.mp3'
# 
# Total duration of AAC files 
# mp4_duration_sum.py '*.aac'
# 
# NOTE: any file type supported by ffmpeg/ffprobe can be used

def get_media_length(filename: str):
    result = subprocess.run(["ffprobe", "-v", "error", "-show_entries",
                             "format=duration", "-of",
                             "default=noprint_wrappers=1:nokey=1", filename],
        stdout=subprocess.PIPE,
        stderr=subprocess.STDOUT)
    return int(float(result.stdout))


def seconds_to_delta(secs):
    return str(datetime.timedelta(seconds=secs))

stats:dict = {}

for media in Path('.').glob(sys.argv[1]):
    media_length_secs = get_media_length(str(media.absolute()))
    length_delta = seconds_to_delta(media_length_secs)
    print(f'{length_delta:0>8} {media.name}')
    stats[media.name] = media_length_secs

total_seconds = sum(stats.values())
total_hours = datetime.timedelta(seconds=total_seconds).total_seconds()/3600
print(f'{"":-<64}')
print(f'Total time: {seconds_to_delta(total_seconds)} — {total_hours:0.2f} hours')