[mythtv] MythTV and multiproto DVB cards work!

Janne Grunau janne-mythtv at grunau.be
Mon Jan 7 22:36:22 UTC 2008


On Monday 07 January 2008 21:38:26 Mario Smit wrote:
> There is an effort (by Manu and others) to create a so called
> multiproto DVB API. This API was, until now, not yet supported by
> MythTV. With this API we can support multiple transmission systems
> like DVB-S, DVB-S2, DSS , etc. Unfortunately this API is not
> backwards compatible with the current DVB API.

I always thought it should be backwards compatible for current DVB-S, 
DVB-T and DVB-C if used as single proto.

> But, for everyone who likes to use MythTV I have good news!
>
> With the following patch you can watch TV using the multiproto API. I
> am currently zapping around with my TT3200 and it works great. :)
>
> I must admin that this patch is not what I call a real patch, it is
> more a quick hack and it currently only supports DVB-S.

Your patch (as on linux-dvb ml) is overly complex. replacing the #ifdef 
FE_GET_EXTENDED_INFO with proper API version checks should work and you 
don't have to manually replace dvb_fe_params with 
DVB_frontend_parameters.

> Further, the Channel Scanner (in mythtv-setup) once in the 3 
> times crashes on me so you have to be persistent if you want to
> automatically scan the channels. I am unsure if this is driver or a
> Myth problem.

This might be mythtv problem. We have reports of I crashing channel 
scanner and a recent ticket but no developer was able to reproduce the 
crash.

Janne


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