[linux-dvb] Re: VDR 0.80pre8

[Klaus Schmidinger <Klaus.Schmidinger@cadsoft.de>]

Peter Hofmann wrote:
> 
> Hi,
> 
> I am using VDR with a DVB-C card. I had to make the following changes to make
> tuning work with VDR version 0.80pre8:
> 
> diff -ruw /tmp/VDR/dvbapi.c VDR-0.8/dvbapi.c
> --- /tmp/VDR/dvbapi.c   Mon May 28 00:27:37 2001
> +++ VDR-0.8/dvbapi.c    Mon May 28 00:23:14 2001
> @@ -2069,13 +2069,20 @@
>       }
>    else if (fd_qamfe >= 0) { // DVB-C
> 
> +    unsigned int freq = FrequencyMHz;
> +        if (freq < (unsigned int)Setup.LnbSLOF) {
> +           freq -= Setup.LnbFrequLo;
> +           }
> +        else {
> +           freq -= Setup.LnbFrequHi;
> +           }

That's odd - why would you need these LNB offsets with a CABLE card??
Are you sure your frequencies in channels.conf are correct?

>       // Frequency and symbol rate:
> 
>       qamParameters qam;
> -     qam.Frequency = FrequencyMHz * 1000UL;
> +     qam.Frequency = freq * 1000UL * 1000UL;

Again, I doubt that the frequencies in your channels.conf are correct.
Can you please try without these changes, and use the values in the
channels.conf.cable that comes with VDR 0.72?

>       qam.SymbolRate = Srate * 1000UL;
>       qam.FEC_inner = FEC_AUTO;
> -     qam.QAM = QAM_64;
> +     qam.QAM = /*QAM_64*/2;

QAM_64 _is_ the QAM_TYPE macro for '2' - I wonder why you had to change it?


Klaus
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_______________________________________________________________

Klaus Schmidinger                       Phone: +49-8635-6989-10
CadSoft Computer GmbH                   Fax:   +49-8635-6989-40
Hofmark 2                               Email:   kls@cadsoft.de
D-84568 Pleiskirchen, Germany           URL:     www.cadsoft.de
_______________________________________________________________


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