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

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В сообщении от 30 September 2008 16:17:22 Darron Broad написал(а):> In message <200809301335.48992.liplianin@xxxxxx>, "Igor M. Liplianin"> wrote:>> Lo.>> >=F7 =D3=CF=CF=C2=DD=C5=CE=C9=C9 =CF=D4 30 September 2008 09:08:59 Niels> > Wag=> >> >enaar =CE=C1=D0=C9=D3=C1=CC(=C1):> >> Op Zo, 28 september, 2008 23:29, schreef gimli:> >> > 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 for> >> 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.> >>> >> 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= ich=20> >means NBC_QPSK modulation. It is interesting for me, whether it works.> > i'm= =20> >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=QPSK (DVB-S) 1=NBC-QPSK (DVB-S2) 2=NBC-8PSK (DVB-S2)>   -e : fec 0=NONE 1=1/2 2=2/3 3=3/4 4=4/5 5=5/6 6=6/7 8=8/9 9=9/10 10=3/5> 11=AUTO -o : rolloff 0=0.20 1=0.25 2=0.35>   -w : pilot 0=OFF 1=ON 2=AUTO>> The cx24116 can't do auto-detect from what we know for any DVB-S2 parameter> 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 :-( I get parameters from VDR(with part of source code, with perspective put it back modified), think it is familiar for VDR users     -S        : delivery system type DVB-S=0, DVB-S2=1     -M        : modulation 1=BPSK 2=QPSK 3=NBC-QPSK(for DVB-S2) 5=8PSK     -C        : fec 0=NONE 12=1/2 23=2/3 34=3/4 35=3/5 45=4/5 56=5/6 67=6/7 89=8/9 910=9/10 999=AUTO     -O        : rolloff 35=0.35 25=0.25 20=0.20 0=UNKNOWNSo, szap-s2 can handle channels.conf line like this(though not compatible with 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 from sources. I pretend to be useful.Welcome any other comments. Now it is valuable like gold.>> l8r!>> -->>  // /> {:)==={ Darron Broad <darron@xxxxxxxx>>  \\ \


-- Igor M. Liplianin
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