[linux-dvb] Re: is QAM DVB specific?

[Tim Lapawa <lists@lapawa.net>]

With the analogue module on the DVB-C card I got concurrent access to the tuner. 
Therefor I need to make a decission. 
 1.Shall the DVB API tune to analogue channels, then the DVB core 'knows' that these channels must not be demuxed and could handle that.
 2. Or should I play directly with the tuner through the v4l2 device in av7110.c and setup a v4l2 ioctl function with VIDEOC_S_FREQUENCY?

How would the demuxer react? And what is about some zigzag code? I found some discussions about that on other threads. Could they disturb the analogue frequencies?


Tim

On Mon, Apr 14, 2003 at 12:24:42PM +0200, Holger Waechtler wrote:
> Tim Lapawa wrote:
> >Hello list,
> >
> >I am wondering if the QAM parameter for the FE_SET_FRONTEND ioctl is
> >DVB specific, or must it also be set for analogue channels?
> 
> the frontend device is for DVB demodulators only. Well, it would be 
> possible to add a 4th frontend type 'analogue', but I'm not sure how 
> much sense would this make - the demux device would be meaningless and 
> the MPEG decoder devices too...
> 
> Holger
> 


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