Re: DVB-S2 / Multiproto and future modulation support

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Le Friday 29 August 2008 20:29:30 Steven Toth, vous avez écrit :
> Regarding the multiproto situation:
>
> A number of developers, maintainers and users are unhappy with the
> multiproto situation, actually they've been unhappy for a considerable
> amount of time. The linuxtv developer community (to some degree) is seen
> as a joke and a bunch in-fighting people. Multiproto is a great
> demonstration of this. [1] The multiproto project has gone too far, for
> too long and no longer has any credibility in the eyes of many people.
>
> In response, a number developers have agreed that "enough is enough" and
> "it's time to take a new direction", for these developers the technical,
> political and personal cost of multiproto is too high. These developers
> have decided to make an announcement.
>
> Mauro Chehab, Michael Krufky, Patrick Boettcher and myself are hereby
> announcing that we no longer support multiproto and are forming a
> smaller dedicated project group which is focusing on adding next
> generation S2/ISDB-T/DVB-H/DVB-T2/DVB-SH support to the kernel through a
> different and simpler API.
>
> Basic patches and demo code for this API is currently available here.
>
> http://www.steventoth.net/linux/s2
>
> Does it even work? Yes
> Is this new API complete? No
> Is it perfect? No, we've already had feedback on structural and
> namingspace changes that people would like to see.
> Does it have bugs? Of course, we have a list of things we already know
> we want to fix.
>
> but ...
>
> Is the new approach flexible? Yes, we're moving away from passing fixed
> modulation structures into the kernel.
> Can we add to it without breaking the future ABI when unforseen
> modulations types occur? Yes
> Does it preserve backwards compatibility? Yes
> Importantly, is the overall direction correct? Yes
> Does it impact existing frontend drivers? No.
> What's the impact to dvb-core? Small.
> What's the impact to application developers? None, unless an application
> developer wants to support the new standards - binary compatibility!
>
> We want feedback and we want progress, we aim to achieve it.
>
> Importantly, this project group seeks your support.
>
> If you also feel frustrated by the multiproto situation and agree in
> principle with this new approach, and the overall direction of the API
> changes, then we welcome you and ask you to help us.
>
> Growing the list of supporting names by 100%, and allowing us to publish
> your name on the public mailing list, would show the non-maintainer
> development community that we recognize the problem and we're taking
> steps to correct the problem. We want to make LinuxTV a perfect platform
> for S2, ISDB-T and other advanced modulation types, without using the
> multiproto patches.
>
> We're not asking you for technical help, although we'd like that  :) ,
> we're just asking for your encouragement to move away from multiproto.
>
> If you feel that you want to support our movement then please help us by
> acking this email.

Good.
We are all waiting for a new API.
As Johannes said some months ago, the first one (individual or group) that 
will come with something good enougth will win.
Sadly, Manu's work could be lost, but he's the only one that knows why.
Kaffeine will support the winner.

Acked-by: Christophe Thommeret <hftom@xxxxxxx>

P.S.
1) imho, DTV_ prefix would make more sense.
2) if someone want to donate a S2 card ...

> Regards - Steve, Mike, Patrick and Mauro.
>
> Acked-by: Patrick Boettcher <pb@xxxxxxxxxxx>
> Acked-by: Michael Krufky <mkrufky@xxxxxxxxxxx>
> Acked-by: Steven Toth <stoth@xxxxxxxxxxx>
> Acked-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxx>
>
> * [1]. Rather than point out the issues with multiproto here, take a
> look at the patches and/or read the comments on the mailing lists.
>
> _______________________________________________
> linux-dvb mailing list
> linux-dvb@xxxxxxxxxxx
> http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb

-- 
Christophe Thommeret


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