[FFmpeg-devel] [libav-devel] ESA Summer of Code in Space 2011

[Kieran Kunhya]

--- On Sat, 9/7/11, Michael Niedermayer <michaelni at gmx.at> wrote:

> From: Michael Niedermayer <michaelni at gmx.at>
> Subject: Re: [FFmpeg-devel] [libav-devel] ESA Summer of Code in Space 2011
> To: "FFmpeg development discussions and patches" <ffmpeg-devel at ffmpeg.org>
> Date: Saturday, 9 July, 2011, 23:09
> On Sat, Jul 09, 2011 at 09:26:25PM
> +0200, Stefano Sabatini wrote:
> > On date Wednesday 2011-07-06 20:11:33 +0200, Reimar
> Döffinger encoded:
> > > On Wed, Jul 06, 2011 at 08:51:16AM -0700, Ronald
> S. Bultje wrote:
> > > > On Wed, Jul 6, 2011 at 4:54 AM, Stefano
> Sabatini
> > > > <stefano.sabatini-lala at poste.it>
> wrote:
> > > > > Hi, ESA (European Space Agency), is
> organizing a Summer Of Code
> > > > > project, based on the same concept of
> GSoC. Check info at:
> > > > > http://sophia.estec.esa.int/socis2011/
> > > > > http://sophia.estec.esa.int/socis2011/timeline
> > > > >
> > > > > Coding period is from the beginning of
> August to the end of October.
> > > > >
> > > > > Organizations application deadline is
> on 15th of July, so there is not
> > > > > much time to decide.
> > > > >
> > > > > Is FFmpeg really suited for space
> exploration? (I think so ;-))
> > > > > Do we have mentors/proposals?
> > > > >
> > > > > We could possibly re-use some of the
> ideas for GSoC.
> > > > >
> > > > > PS Regarding the FFmpeg/Libav split, we
> may decide to run two distinct
> > > > > applications or go togheter as we did
> for GSoC depending on what
> > > > > people prefer, please let's avoid
> flames.
> > > > 
> > > > Proposals can be the same as for GSoC. Same
> for mentors. The projects
> > > > are largely the same (whether you like it or
> not), so joint
> > > > application seems easier.
> > > > 
> > > > You can admin, I wonder how you'll word the
> application to make
> > > > FFmpeg/Libav relate to space. :-).
> > > Well, some time ago I read a video decoder test
> and there FFmpeg had the
> > > best error concealment by far. So that's sure a
> reason to use it
> > > if you ever want to transfer video through space
> with a normal codec ;-)
> > 
> > Well I'll write something of the kind:
> > 
> > |Describe in a few word your open-source project, why
> you would like to
> > |participate to SOCIS and what you hope to gain by
> participating.
> > |Space relevance (mandatory): *
> > |Describe your project´s connection with space
> activities.
> > |
> > |Communication is a key aspect in space programs,
> being able to
> > |communicate effectively and reliably, even in extreme
> conditions, is
> > |a fundamental prerequisite.
> > |
> > |FFmpeg/Libav is highly focused on providing the most
> possible
> > |reliable and robust multimedia support, and a special
> emphasis is
> > |given on optimization issues, making it especially
> suited for
> > |computing environments with strict memory and power
> requirements.
> > |
> > |By partecipating to SOCIS, FFmpeg/Libav may extend
> its capabilities
> > |and focus even more on robustness/reliability
> features making it the
> > |ideal candidate for multimedia/communication
> mission-critical
> > |space-related tasks.
> > 
> > ...
> > 
> > Since I read no more replies and there are no
> objections, I'm going to
> > create a joint FFmpeg/Libav application, for which
> I'll act as
> > administrator (SOCIS requires a single administrator,
> but an
> > unofficial backup admin is welcome).
> > 
> > It is fundamental for the application success to have
> a page of
> > ideas/proposals.
> > 
> > I'm going to create a new page based on this:
> > http://wiki.multimedia.cx/index.php?title=FFmpeg_/_Libav_Summer_Of_Code_2011
> > 
> > *Mentors and proposals are welcome*.
> 
> Some proposals:
> 
> * design & add metadata that specifies the amount of
> differences caused
>   during compression. For scientific use lossy
> compression is otherwise
>   difficult. (also research first if existing
> solutions exist and
>   implementg / use them if so)
> 
> * Write code that when feeded with several images (which
> may be taken
>   by a space probe from its surroundings) reliably
> calculates
>   its position. And additionally identifies objects
> that are not its
>   database
>   (and make sure we dont reimplement existing free
> solutions here)
> 
> * Better error concealment and maybe FEC for low latency
> space
>   comunication
> 
> [...]
> 
> -- 
> Michael     GnuPG fingerprint:
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> 

I would also be interested in FEC (and will add to the list). There are no 
good software libraries that can do FEC as far as I can tell.