Compare two video files to find out which has best quality
Problem
Suppose I have same video material encoded in two (or more) files. I'd like to run some utility on them which groundly pointed out which file is "best" in quality. "Groundly" means that I'd like to get report which compares different aspects (e.g. video resolution, video bitrate, audio sampling rate, audio bitrate, etc., etc.) one by one, and then some integral score which accounts for all of them. That's about the functionality, but for that utility to be actually usable, it should be open-source and command-line.
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1 Fix
Fix for: Compare two video files to find out which has best quality
I work in video quality research, and it's hard to give a simple answer to the question "which video is better". Especially when you have two clips from the same source, but no access to the original source (e.g., two copies of a movie obtained somewhere “from the Internet”). What you want, ideally, is a program that gives you a Mean Opinion Score (MOS) of a video, i.e. a number between 1 and 5, or between 0 and 100, which corresponds to the quality as perceived by a human being. If you want pr…
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