[linux-dvb] Multiproto API/Driver Update

Goga777 goga777 at bk.ru
Thu Sep 4 20:38:27 CEST 2008


Hi, Manu

is it possible to patch scan2 for dvb-s2 support ?

Goga

> Greetings.
> 
> First I would like to thank everyone for their patience.  Multiproto
> has been under development for some time and I know many of you have
> been anxious for its arrival.  I would also like to thank all the
> people who've helped code and test the new api.  Last but not least, a
> thanks to the app developers who've supported multiproto, and whose
> continued support is very much appreciated.
> 
> As you might already know, I've been out-of-town for the last few
> months and haven't been able to progress multiproto further.  I've now
> returned and am glad to announce I've been putting the finishing
> touches on the multiproto api, along with many fixes/updates to
> supported drivers.  Multiproto has reached a state where it is ready
> to be adopted into the kernel and already has a pull request to do so.
> 
> Here are some important pieces of information for you to know:
> 
> current supported modulations with supported hardware:
> DVB-S, DVB-S2, DVB-T, DVB-C, DVB-H
> 
> How big is multiproto?
> It's not.  It doesn't exceed the size of the legacy api and is infact
> smaller when used in non-legacy mode.
> 
> Does it support ISDB-T, ATSC-MH, CMMB, DBM-T/H?
> Intentionally, no!  Experience with the old api development has proven
> that making blind assumptions about delivery systems is a bad idea.
> It's better to add in support for these when the hardware actually arrives
> and can be properly tested. There is enough reserved space in the api to
> support future modulations.
> 
> current supported chipsets/devices:
> STB0899 based cards (AD SP400/VP-1041, TT S2 3200, KNC1 DVB-S2 etc.)
> 
> drivers currently in development:
> STB0900/STB0903 based (eg. SAA716x based cards: AD SE-200/VP-1028, etc.)
> 
> To clear up some misinformation and misconceptions:
> 
> Is multiproto backwards compatible with previously built binaries?
> YES!  You don't need to do anything to make it backward compatible.
> 
> Does multiproto have support for drivers found in v4l?
> YES!  Multiproto includes the v4l tree as well.  However, the software
> you use must support the multiproto api in order to use them.
> Fortunately many already do but in the event support for the api must
> be added, it can usually be done with minor changes.
> 
> Are new modulations possible?
> YES!  Multiproto has been designed so that adding new future
> modulations may be done with minimal effort.  This will help speed up
> the driver development process and allow us to use this api for some
> time to come.
> 
> If you would like to use any of these drivers now, you may pull the
> tree from http://jusst.de/hg/multiproto.  Drivers may be configured
> with 'make menuconfig' the same as you've done with v4l.
> 
> Feedback, bug reports, etc. are welcomed and encouraged!  Please feel
> free to
> contact me via email at:  abraham.manu at gmail.com
> 
> If you have an unsupported device, please let me know!
> 
> Best Regards,
> Manu




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