[linux-dvb] Re: How do I watch TV ?

[Holger Waechtler <holger@convergence.de>]

Alexandre CONRAD wrote:
>> it's pretty easy to extend the scan utility wo write any other channel 
>> list format, e.g. VDR or tuxzap channel lists. Feel free to do so and 
>> send a patch when you're done.
> 
> Humm...
> 
> What I'm asking it pretty simple. I want to watch TV. I'm not a 
> programmer, and I'm a little new to linux and satellite technologies. 
> What I just need is to have a moving picture on my screen from a command 
> line. ;)
> 
> I want to do for example "./szap -n 001 [enter key]", and there, it 
> switches to a channel, and I can see on picture on my TV screen comming 
> from the Satellite card TV output. The "scan" utility doesn't seem to 
> get anything here.

sure, the szap channel list is generated for Astra.

> 
> *./scan
> using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
> 
>  >>> tune to:
> 11837000:INVERSION_OFF:27500000:FEC_3_4
> 
> switch pos 0, 18V, hiband
> index 3
> msg: e0 10 38 f3 00 00
> 
>  >>> tuning status == 0x03!!!
>  >>> tuning status == 0x03!!!
>  >>> tuning status == 0x03!!!
>  >>> tuning status == 0x03!!!
>  >>> tuning status == 0x03!!!
>  >>> tuning status == 0x03!!!
>  >>> tuning failed!!!*
> 
> It goes like that over and over again until I get :
> 
> *>>> tune to:
> 10978000:INVERSION_OFF:2344000:FEC_3_4
> 
> switch pos 0, 13V, loband
> index 0
> msg: e0 10 38 f0 00 00
> 
>  >>> tuning status == 0x03!!!
>  >>> tuning status == 0x03!!!
>  >>> tuning status == 0x03!!!
>  >>> tuning status == 0x03!!!
>  >>> tuning status == 0x03!!!
>  >>> tuning status == 0x03!!!
>  >>> tuning failed!!!
> 
> initial tuning failed!*

You have to add an initial transponder for your satellite to the end of 
the qpsk_probes list in initial.h.

Otherwise scan can never read an initial Network Information Table to 
build the channel list.

Holger




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