[Libav-user] Video Quality Analyzer - implement which features?

NITIN GOYAL nitinkumgoyal at gmail.com
Wed May 23 13:56:33 CEST 2012

I am also working on the Video quality analyzer tool.

But mine is a No reference one where i don't need to compare my video
quality to the source content.

But for measuring the quality, it depends on the parameters you want to
take into consideration and if you can provide a MOS values in last based
on the comparison made.

There can be many parameters like display jitter, freezes, frame rates, GOP
sizes, frame types, display time, PTS nd DTS analysis, for audio u can
include sampling stuff, noise detection

Also, for the different parameters, you can use ffmpeg in order to decode
the content, OpenCV for motion vector and scene activity calculations

Left all plugins will depend upoin the parameters you can include.


On Wed, May 23, 2012 at 4:58 PM, Wesley S. <wesley at ubuntu.com> wrote:

> Hi,
> I am a software developer currently working on a (cross-platform) Video
> Quality Analyzer application
> for a project at university. It will most likely be released as open
> source software when it is finished.
> I am posting to this list to ask the video encoding/quality experts what
> is essential
> in comparing video quality according to them.
> A few important design choices I have made:
> - libav is used to open video files in order to support many video formats
> out of the box
> (and to support extraction of information from decoder, for example motion
> vectors)
> - image processing plug-ins and tools are extensible through scripting and
> dynamically linked plug-ins
> So, most important question:
> What plug-ins would be essential in this kind of application for you?
> Also, if you would be interested in more information or if you would like
> to try writing
> your own script or plug-in for this application, you can contact me by
> e-mail.
> Kind regards,
> Wesley S.
> PS: here's a little preview screenshot of the current user interface:
> http://i50.tinypic.com/acptnq.png
> _______________________________________________
> Libav-user mailing list
> Libav-user at ffmpeg.org
> http://ffmpeg.org/mailman/listinfo/libav-user
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