[linux-dvb] S2API - First release

Igor M. Liplianin liplianin at tut.by
Thu Sep 4 17:03:05 CEST 2008


В сообщении от 4 September 2008 07:54:33 Steven Toth написал(а):
> Hello,
>
> It's been a crazy few days, please forgive my short absence.
>
> What have I been doing? Well, rather than spending time discussing a new
> S2API on the mailing list, I wanted to actually produce a working series
> of patches that kernel and application developers could begin to test.
>
> Here's where all of the new S2API patches will now appear:
>
> http://linuxtv.org/hg/~stoth/s2
>
> In addition, here's is a userland application that demonstrates tuning
> the current DVB-S/T/C and US ATSC modulations types using the new API.
> (www.steventoth.net/linux/s2/tune-v0.0.1.tgz)
>
> A tuning demo app? What? Obviously, tuning older modulation types via
> the new API isn't a requirements, but it's a useful validation exercise
> for the new S2API. What _IS_ important is..... that it also demonstrates
> using the same tuning mechanism to tune DVB-S2 8PSK / NBC-QPSK
> modulation types, and also has rudimentary ISDB-T support for any
> developers specifically interested.
>
> This S2API tree also contains support for the cx24116 demodulator
> driver, and the Hauppauge HVR4000 family of S2 products. So those
> interested testers/developers can modify the tune.c app demo and make
> changes specific to their area, and try experimenting with the new API
> if they desire. [1]
>
> Obviously, tune.c isn't intelligent, it's not a replacement for szap,
> tzap or whatever - it's simply a standalone S2API test tool, that
> demonstrates the important API interface.
>
> QAM/ATSC are working well, the HVR4000 changes look fine according to
> the debug log (although I have no local satellite feed for testing
> tonight). DVB-T should just work as-is, but I can't test this for a day
> or so. I.E. I've tested what I can in the US but we might have a few
> bugs or gotchas!
>
> If anyone is willing to pull the tree and begin testing with the tune.c
> app then please post all feedback on this thread. [2]
>
> I've received a lot of good feedback of the original 2007 patches. I
> expect to start merging those changes of the coming days. Don't be too
> concerned that your changes are not yet merged, keep watching the S2API
> tree and they will soon appear ... along with a lot of general code
> cleanup (checkpatch violations)
>
> I expect to catchup on my older email tomorrow.
>
> Regards to all,
>
> - Steve
> [1] I'll need to review and diff any of the newer HVR4000 driver
> derivatives that people have been using, before merging those changes
> into the S2API tree.
> [2] Remember you're going to need the cx24116 firmware if you're
> specifically testing the HVR4000.... but you probably already know that! :)
>
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Good news. I will test it with my cx24116 based cards (not HVR4000)
 
Igor



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