Re: [PATCH] S2API for vdr-1.7.0(1.7.1) quick hack

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



В сообщении от 30 September 2008 19:03:19 Darron Broad написал(а):> In message <200809301707.06154.liplianin@xxxxxx>, "Igor M. Liplianin"> wrote:>> LO>> >> >> > Hi,> >> >> >> >> >> > I'm on Astra 19.2 and tested the following HD transponders :> >> >> > Anixe HD> >> >> > Arte HD> >> >> > Astra HD+> >> >> >> >> >> > first test results :> >> >> >> >> >> > Arte HD tunes ok and plays fine.> >> >>> >> >> Same here. Arte HD is a DVB-S2 transponder using the 8PSK modulation.> >> >> Locking goes without any problems at all.> >> >>> >> >> > On Astra HD+ and Anixe HD im getting an error :> >> >>> >> >> Astra HD+ en Anixe HD is on a DVB-S2 transponder which is using a> >> >> QPSK modulation.> >> >>> >> >> > -- SNIP --> >> >> >> >> >> > If you need further informations let me know.> >> >>> >> >> I tested other DVB-S2 transponders which have a QPSK modulation. All> >> >> these didn't want to lock and gave a timeout. DVB-S2 Transponders> >> >> with=> >> > a> >> >> >> 8PSK modulation did gave a lock (Hotbird has a couple, while I don't> >> >> have subscriptions to chose channels, I'm able to lock those).> >> >>> >> >> So my first impression was, it's a missing parameter in the Frontend> >> >> struct. So I made some changes and check if the transponder is DVB-S2> >> >> and added parameters for DTV_PILOT (with data PILOT_AUTO) and when> >> >> QPSK is used with DVB-S2, to use the NBC_QPSK modulation (which is> >> >> needed f=> >> >or> >> >> >> DVB-S2 if I'm not mistaken) instead of regular QPSK.> >> >>> >> >> However, didn't bring me the sollution I hoped for. I now have a> >> >> timeout, lost lock and regain lock, etc, etc, etc. But it's more then> >> >> => >> >it> >> >> >> was before.> >> >>> >> >> So I'm close. Currently I do have a small problem where I put in> >> >> parameters which shouldn't been given (oops!) and now my DVB-card> >> >> doesn't lock any more, I need to reboot first.>> If you make an error in the params it can trip the property dump debug> output routine.>> use this patch to catch invalid commands, there may be others to catch tho:> 	http://dev.kewl.org/v4l-dvb/patches/s2-mfe-debug-dump-9036.diff>> >> >> I hope to start to work on it this further when I'm done with work.> >> >> I'=> >> >ll> >> >> >> keep you all posted :)> >> >>> >> >> BTW, I did manage to get DVB-T working. At least it locks on on the> >> >> encrypted channels, but I didn't had time to check for image. Mainly> >> >> since DVB-T is my backup for channel-viewing and I wanted to focus on> >> >> the DVB-S2 problem.> >> >>> >> >> > cu> >> >> >> >> >> > Edgar (gimli) Hucek> >> >>> >> >> Regards,> >> >>> >> >> Niels Wagenaar> >> >> >> >May I ask you, Niels or Edgar, would you try szap-s2 with parameter> >> > -M3, wh=3D ich=3D20> >> >means NBC_QPSK modulation. It is interesting for me, whether it works.> >> > i'm=3D =3D20> >> >not able to receive Astra HD+ and Anixe HD.> >>> >> I will test it.> >>> >> For your information, when I fixed up Manu's szap hack renaming it szap2> >> i had to add a whole bunch of options which were originally known as> >> `team' then they eventually became known later as `meow'> >>> >> These are all necessary for the hvr-4000 with the cx24116 which is a> >> dumb part.> >>> >> These params were:> >>> >>   -m : modulation 0=3DQPSK (DVB-S) 1=3DNBC-QPSK (DVB-S2) 2=3DNBC-8PSK> >> (DV=> >> >B-S2)> >> >>   -e : fec 0=3DNONE 1=3D1/2 2=3D2/3 3=3D3/4 4=3D4/5 5=3D5/6 6=3D6/7> >> 8=3D8=> >> >/9 9=3D9/10 10=3D3/5> >> >> 11=3DAUTO -o : rolloff 0=3D0.20 1=3D0.25 2=3D0.35> >>   -w : pilot 0=3DOFF 1=3DON 2=3DAUTO> >>> >> The cx24116 can't do auto-detect from what we know for any DVB-S2> >> paramet=> >> >er> >> >> not only modulation. I had to emulate auto-pilot in the demod. rolloff> >> seems superfluous in most cases but even then you must have an option to> >> allow it.> >>> >> I will check your szap but raise the point above if not all these> >> options are catered for. If they are catered for and not named MEOW then> >> I will be disappointed, but will survive ;-)> >> >Suddenly, pilot not implemented :-(=20> >I get parameters from VDR(with part of source code, with perspective put> > it= =20> >back modified), think it is familiar for VDR users> >     -S        : delivery system type DVB-S=3D0, DVB-S2=3D1> >     -M        : modulation 1=3DBPSK 2=3DQPSK 3=3DNBC-QPSK(for DVB-S2)> > 5=3D= 8PSK> >     -C        : fec 0=3DNONE 12=3D1/2 23=3D2/3 34=3D3/4 35=3D3/5 45=3D4/5> > = 56=3D5/6 67=3D6/7=20> >89=3D8/9 910=3D9/10 999=3DAUTO> >     -O        : rolloff 35=3D0.35 25=3D0.25 20=3D0.20 0=3DUNKNOWN> >So, szap-s2 can handle channels.conf line like this(though not compatible> > w= ith=20> >VDR, but similar):> >poverkhnost:12111:lC34M5O0S1:0:27500:1201:1301:3201> >> >It is not like I'm pretend on copyright here, I can easily remove my name> > f= rom=20> >sources. I pretend to be useful.> >Welcome any other comments. Now it is valuable like gold.> >> :=) Igor, I was feeling mostly nostalgia for the `meow' options, I can see>> the rewritten szap2 has much more to offer!>> BTW, where do i get it?>> Cya!>> -->>  // /> {:)==={ Darron Broad <darron@xxxxxxxx>>  \\ \
Now szap-s2 is onhttp://mercurial.intuxication.org/hg/szap-s2
Sourceforge not available yet :-(
Igor
_______________________________________________vdr mailing listvdr@xxxxxxxxxxxxxxx://www.linuxtv.org/cgi-bin/mailman/listinfo/vdr

[Index of Archives]     [Linux Media]     [Asterisk]     [DCCP]     [Netdev]     [Xorg]     [Util Linux NG]     [Xfree86]     [Big List of Linux Books]     [Fedora Users]     [Fedora Women]     [ALSA Devel]     [Linux USB]

  Powered by Linux