Re: Problems with multifrontend

[Stefan Ringel <mail stefanringel de>]

Am 25.10.2012 09:36, schrieb Sebastian Pölsterl:
> Am 25.10.2012 09:34, schrieb Stefan Ringel:
> > Am 25.10.2012 09:22, schrieb Sebastian Pölsterl:
> > > Am 25.10.2012 01:32, schrieb Tony Houghton:
> > > > On Wed, 24 Oct 2012 23:15:19 +0200
> > > > Sebastian Pölsterl <sebp k-d-w org> wrote:
> > > >
> > > > > Am 24.10.2012 13:32, schrieb Stefan Ringel:
> > > > > > Hi Sebastian,
> > > > > > Which Linux-DVB-API use you, version 3 or version 5? Use you
> > > > > > FE_SET-PROPERTY/FE-GET_PROPERTY IOCTL's?
> > > > > gstreamer's dvbsrc takes care of tuning. Currently it does not use
> > > > > FE_SET_PROPERTY and FE_GET_PROPERTY. See
> > > > > http://cgit.freedesktop.org/gstreamer/gst-plugins-bad/tree/sys/dvb/gstdvbsrc.c
> > > > >
> > > > > If you think that this might the cause of your problem, please file a
> > > > > bug at https://bugzilla.gnome.org/browse.cgi?product=GStreamer
> > > > There is a report/request about using the newer API at
> > > > <https://bugzilla.gnome.org/show_bug.cgi?id=654479>. But I don't think
> > > > that's the main problem here. I think Stefan's complaint is that
> > > > gnome-dvb will only let him use this card for cable, when it should be
> > > > usable for terrestrial too. Multi-frontend means the card has one
> > > > frontend with multiple capabilities, not separate frontends for each of
> > > > C and T.
> > > I see that you already started working on supporting the new API, that's
> > > great.
> > >
> > > I don't own any multi-frontend device myself, so it's hard for me to
> > > judge what the problem is. Currently, gstreamer's dvbsrc only supports
> > > specifying the number of the adapter and frontend to use. You are saying
> > > that additional information is required to support multi-frontend devices?
> > >
> > > Best regards,
> > > Sebastian
> > >
> > >
> > >
> > > _______________________________________________
> > > dvb-daemon-list mailing list
> > > dvb-daemon-list gnome org
> > > https://mail.gnome.org/mailman/listinfo/dvb-daemon-list
> > Hi Sebastian,
> >
> > The Linux DVB-API v5 has the FE_GET_PROPERTY/FE_SET_PROPERTY mechanism.
> > With DTV_ENUM_DELSYS you can ask which frontend standards it can. With
> > DTV_DELIVERY_SYSTEM you can switch between the delivery systems. The v3
> > API cannot that. The support of newer delivery systems has only the
> > DVB-API v5.
> Hi Stefan,
>
> thanks for the information. I will push to get the DVBv5 patch proposed
> by Tony accepted by gstreamer people.
>
> Best regards,
> Sebastian

A link for DVBv5 API - frontend part

http://git.linuxtv.org/media_tree.git/blob/staging/for_v3.8:/include/uapi/linux/dvb/frontend.h