Python function to retrieve the timestamps of a input video file using ffmpeg.

find_video_metadata.py

import subprocess
import shlex
import json

# function to retrieve the timestamps of the input video file
def findVideoMetadata(pathToInputVideo):
    cmd = "ffprobe -v quiet -print_format json -show_entries packet=pts_time"
    args = shlex.split(cmd)
    args.append(pathToInputVideo)
    # run the ffprobe process, decode stdout into utf-8 & convert to JSON
    ffprobeOutput = subprocess.check_output(args).decode('utf-8')
    ffprobeOutput = json.loads(ffprobeOutput)
    
    pts_time= []
    for i in range(len(ffprobeOutput['packets'])):
        pts_time.append(ffprobeOutput['packets'][i])
    
    return pts_time