VideoInfo

Overview

VideoInfo is a CLI tool written in Python to display media/codec information for video files.

I created this as part of my Final Project submission for CS50P

Why I created this?

I wanted to quick way to scan my video library and see what quality my video files were in (eg. 420p, 720p, 1080p, etc) as well as the type of audio (stereo, surround, etc) and codecs used.

The purpose of this was so I could determine which files I had that were 720p or lower, which I would want to update to at least 1080p.

Video Demo:

https://youtu.be/S0bZTzMMMN0

Requirements

get-video-properties
pytest

Can install with pip install -r requirements.txt

NOTE: For Linux systems, get-video-properties requires ffmpeg to be installed on system. This can be installed on ubuntu/debian based systems as follows:

sudo apt-get update
sudo apt-get install ffmpeg

Usage

python project.py [-h] [-c filename] path

Arguments and options
`path`	required	Full path of video file or folder
`-h`, `--help`	optional	Show this help message and exit
`-c` `filename`, `--csv` `filename`	optional	Output to csv file. Only applies if path is a folder.

Examples

Get info for a video file

Command:

python project.py ./sample_video/sample__1080__libx264__aac__30s__video.mp4

Output:

{
    "filename": "sample__1080__libx264__aac__30s__video.mp4",
    "folder": "sample_video",
    "size_gb": 0.02,
    "video_quality": "1080p",
    "video_codec": "h264",
    "audio_type": "Stereo",
    "audio_codec": "aac"
}

Get info for all video files in a folder and output to csv

Command:

python project.py -c output.csv ./sample_video/

Output:

 {
    "filename": "sample__1080__libx264__aac__30s__video.mp4",
    "folder": "sample_video",
    "size_gb": 0.02,
    "video_quality": "1080p",
    "video_codec": "h264",
    "audio_type": "Stereo",
    "audio_codec": "aac"
}

 {
    "filename": "sample__480__libx264__aac__30s__video.mp4",
    "folder": "sample_video",
    "size_gb": 0.01,
    "video_quality": "720p",
    "video_codec": "h264",
    "audio_type": "Stereo",
    "audio_codec": "aac"
}

 {
    "filename": "sample__720__libx264__aac__30s__video.mp4",
    "folder": "sample_video",
    "size_gb": 0.01,
    "video_quality": "720p",
    "video_codec": "h264",
    "audio_type": "Stereo",
    "audio_codec": "aac"
}

CSV File output.csv:

Key files in this repo:

videoinfo.py

This file defines the class VideoInfo which is used by project.py.

It utilises the python package get-video-properties to set the attributes of the VideoInfo class.

project.py

This is the script that runs the CLI.

It contains the following functions:

Function	Description
pretty_video_info(v: VideoInfo)	For the given VideoInfo object `v`, return a selection of information as a dict
video_or_folder(path: str)	For `path` provided, returns `"Video"` or `"Folder"` if `path` is a video file or folder respectively. Returns `None` otherwise.
quality_from_res(w: int, h: int)	For a video's width `w` and height `h` provided, return as a string the quality of the video resolution eg. `"4KUHD"`
audio_type(channels: int)	Based on the number of `channels` provided in regards to a video's audio, return as a string the type of audio eg. `"4KUHD"`, `"Stereo"`, `"Surround"`
folder_info(path, print_screen=True)	Returns video info for all videos found recursively in `path` as a list of dicts. If `print_screen` is set to `True`, prints info to screen as well.

video_data_to_csv(data, csv_out):

Outputs list of dicts of video info data to a csv.

test_project.py

For unit testing functions in project.py.

Test via pytest:

pytest test_project.py

sample_video/

This directory contains some sample video files for testing the CLI.

nickneos/get_video_info

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