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

[Fedor Lyakhov]

Thanks, David!

We have an internal proof of concept based on private VoIP softphone,
Thrift over TCP as RPC and Google WebRTC as Media Engine - and the
softphone is capable of audio calls and remote control of audio
devices. So now we're confident it can work.

We hope to create open-source prototype for a demo GStreamer-based
audio player by the end of January. Depending on how it goes, we will
add basic integration with Spice as well.


On Mon, Dec 2, 2013 at 3:26 PM, David Jaša <djasa at redhat.com> wrote:
> 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
>
>



-- 
Best regards,
Fedor