How to get video files duration and resolution in python

Hi all,

Today i was about to find video file duration and resolution and few more info in python.

In debain based systems type this command in terminal

avconv

If this shows version , like this

avconv version 9.18-6:9.18-0ubuntu0.14.04.1, Copyright (c) 2000-2014 the Libav developers
built on Mar 16 2015 13:19:10 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
Hyper fast Audio and Video encoder
usage: avconv [options] [[infile options] -i infile]… {[outfile options] outfile}…

Use -h to get full help or, even better, run ‘man avconv’

If it says commond or package not found, then install this by

sudo apt-get install libav-tools

After successful installation, In terminal

avconv -i "filepath"  # give path to your video file

You will see output like this
Metadata:
    major_brand     : mp42
    minor_version   : 1
    compatible_brands: mp42mp41
    creation_time   : 2015-10-21 16:41:08
  Duration: 00:00:30.00, start: 0.000000, bitrate: 748 kb/s
    Stream #0.0(eng): Video: h264 (Constrained Baseline), yuv420p, 480×240, 488 kb/s, 25 fps, 25 tbr, 25 tbn
    Metadata:
      creation_time   : 2015-10-21 16:41:08
    Stream #0.1(eng): Audio: aac, 48000 Hz, stereo, fltp, 255 kb/s
    Metadata:
      creation_time   : 2015-10-21 16:41:08

You can see the resolution and duration highlighted my result.

Now lets see how to use this in python to get video resolution, duration.

The idea is simple , am gonna use subprocess and pipe the output

Here is the python code.


from subprocess import Popen, PIPE
import re

def getvideodetails(filepath):
    cmd = "avconv -i %s" % filepath
    p = Popen(cmd, shell=True, stdout=PIPE, stderr=PIPE)
    di = p.communicate()
    for line in di:
        if line.rfind("Duration") > 0:
            duration = re.findall("Duration: (\d+:\d+:[\d.]+)", line)[0]
        if line.rfind("Video") > 0:
            resolution = re.findall("(\d+x\d+)", line)[0]
    return duration,resolution

# call function with file path
getvideodetails("filepath") 

This code can be found in gist too here

Thats it.

Happy coding!!!
Happy times !!!

Author: Balaji

Hi..My name is Balaji and i am working as a Senior Software Developer in India. I am interested in Shell scripts, python, erlang , linux kernel .

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