[Spice-devel] RFC: Media redirection for Spice remote computing solution, an event for FOSDEM'14, Virtualization dev room

[David Jaša]

The slides are very nice and if you already have some prototype
finished, it would be cool to see it in action!

David


Fedor Lyakhov píše v So 30. 11. 2013 v 17:11 +0400:
> Hello Spice developers and users,
> 
> I'm going to apply for FOSDEM'14 Virtualization dev room with event
> "Media Redirection for Spice remote computing solution" (deadline is
> tomorrow...). The event would include a 20-minute lecture, 5-minute
> demo of a prototype and 10-minute Q&A session.
> 
> Before I apply, I'd like to hear your comments on the proposed event
> (and you're the main audience of it!). I'd appreciate any comments
> about title, abstract, outline and the presentation drafts
> (http://www.spice-space.org/wiki/images/b/b9/Fosdem2014-lyakhov-v2.pdf).
> Hope that with your comments I can get this application better and get
> it accepted.
> 
> Title: Media redirection for Spice remote computing solution
> Subtitle: Optimizing media stream processing for media players and
> VoIP clients in virtual desktop infrastructures
> 
> Abstract:
> Handling of media streams is suboptimal in virtual desktop
> infrastructures if it is done at virtual machines. Consider two main
> use case:
> * Playback of a media stream from remote server e.g. user watches Youtube
> * IP telephony e.g. user makes a video call
> In both cases media streams are not delivered to the user's device
> directly but transcoded at the virtualization server. This results in
> increased network load, server CPU load (less VM density), quality
> loss of media streams. A solution for this problem, Media Redirection
> for Red Hat Spice remote computing system is proposed
> (www.spice-space.org/page/Features/MediaRedirection).
> 
> Solution concept introduces following components: Media Engine and
> RPC-like service at user's device, Media Engine stubs and RPC-like
> client at Guest OS. To integrate the solution with Spice, new Spice
> APIs are proposed: API for establishing virtual channels and API for
> overlay rendering.
> 
> A working Media Redirection prototype will be demonstrated using a
> demo audio player, Apache Thrift as RPC system, GStreamer as Media
> Engine.
> 
> The event will be interesting for remote computing system developers
> and users (in particular, Red Hat Spice), RPC system developers and
> users, media engine developers, media player and IP telephony client
> developers.
> 
> Note: the authors are NOT working for Red Hat, this work is being done
> by volunteers in their spare time.
> 
> Outline:
> * Common media processing usecases
> * Red Hat Spice overview
> * Description of media stream processing problem in VDI
> * Media redirection concept description
> * Media redirection prototype description and demo
> * Feature evolution plan
> Discussion topics:
> * architecture & design considerations
> * new Spice APIs for virtual channels and overlay rendering
> * fault-tolerance practices (crash, disconnect)
> 

-- 

David Jaša, RHCE

SPICE QE based in Brno
GPG Key:     22C33E24 
Fingerprint: 513A 060B D1B4 2A72 7F0D 0278 B125 CD00 22C3 3E24


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