Hi Yang-Ming Hsu,
An interesting use case, I am curious to know more about what you will use the
video resolution information for?
One method is to do payload inspection of media and/or control streams. This
would only work if the transport stream is not encrypted.
Another method would be to do statistical analysis of the media and/or control
streams.
A project that I am working on may be of interest:
http://mattjhayes.github.io/nmeta/
https://github.com/mattjhayes/nmeta
Nmeta is an app on top of Ryu, and includes the ability to create custom
payload and statistical classifiers. Both require inspection of the first n
packets at the controller, which introduces latency and CPU overheads, so
suggest using a static classifier to restrict what traffic is being inspected.
Hope this helps.
Regards,
Matt.
From: [email protected]
Date: Thu, 30 Apr 2015 00:36:08 +0800
To: [email protected]
Subject: [Ryu-devel] Get video resolution(height & width)
Hi all,
I wonder if ryu contains a library or function could help me to get the video's
resolution(height & width) when streaming videos, like h.264, by VLC.
thanks
Sincerely,
=======================================
Yang-Ming Hsu
M.S. StudentMobile Internet Lab
Graduate Institute of Communication Engineering
National Taiwan University
=======================================
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