25

How can i see what codec was used in a video (Audio/Video) and extra information about what to use to reproduce the same compression/quality to the video.

29

One way of doing this is by using VLC. Open the file in question, right click on it in the playlist and you'll see something like this:

Codec info

Stats info

I'm on OS X but the idea is the same.

Another way is to open a terminal, navigate to the directory containing the file and do:

file foo.avi

This doesn't provide a great deal of information but it is a start.

  • OMG. My IQ level just dropped like 99%. I forgot about that. Thanks boehj. – Luis Alvarado May 30 '11 at 2:01
16

Another command line option with less "harsh" information:

ffprobe -show_streams "file.mp4"

Even with better output, it's still hard to a regular guy understand. If you need samples of several file formats to test it:

Video Format Examples

6

You can get information about Audio/Video Codecs and additional information by installing mediainfo. Both GUI (Graphical User Interface) and command-line utilities are available. Use these commands to install:

sudo apt-get update
sudo apt-get install mediainfo

If you want to install GUI,

sudo apt-get install mediainfo-gui

for reference visit mediainfo

4

The hard to find 'midenitfy' script. An ancient copy looks like:

#!/bin/sh
#
# This is a wrapper around the -identify functionality.
# It is supposed to escape the output properly, so it can be easily
# used in shellscripts by 'eval'ing the output of this script. 
#
# Written by Tobias Diedrich <ranma+mplayer@tdiedrich.de>
# Licensed under GNU GPL.

if [ -z "$1" ]; then
        echo "Usage: midentify <file> [<file> ...]"
        exit 1
fi

 mplayer -vo null -ao null -frames 0 -identify "$@" 2>/dev/null |
        sed -ne '/^ID_/ {
                           s/[]()|&;<>`'"'"'\\!$" []/\\&/g;p
                        }'

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