DVB-T and DVB-T2: quick sanity check

Stefan Ringel mail at stefanringel.de
Thu Apr 21 08:15:24 UTC 2016



> Russel Winder <russel at winder.org.uk> hat am 21. April 2016 um 09:24
> geschrieben:
> 
> 
> On Wed, 2016-04-20 at 15:20 -0700, Reynaldo H. Verdejo Pinochet wrote:
> 
> > If you'd like to help getting this fix on dvbsrc, can you please
> > reproduce your failure with gst-launch and a recent checkout
> > from master and put your full command line alongside a
> > *dvb*:5 debug log for a failed run at bugzilla?.
> 
> Will a use of gst-launch be equivalent to usage from a C++ program?
> 
> I update and recompile my set of GStreamer libraries to master HEAD
> very regularly and certainly before doing anything with GStreamer, so I
> already good with being up to date :-)
> 
> I'll put something together tomorrow (today, as yesterday, is a
> problematic day for doing stuff like this, long story :-(
> 
> > For DVB-T2 you need to be properly setting: frequency, delsys,
> > bandwidth, code_rate_hp, code_rate_lp, modulation,
> > transmission_mode, guard_interval, hierarchy_information
> > and stream_id. Some of these parameters might have sane
> > defaults but please double check.
> 
> All of these parameters should be picked up from the virtual channels
> file, so there should be no need to specify them manually.
> 
into what you picked up, external tool or other gstreamer element?

> > The "Failed to get statistics" messages should be harmless,
> > although It'd be good to know what the failing ioctl is. Right
> > now we are assuming the ones we use (_READ_STATUS,
> > _READ_BER, etc) always work.
> > 
> 
> I'll delve some more tomorrow and over the weekend. Apologies for the
> delay in getting on to this.
> 
> -- 
> Russel.
> =============================================================================
> Dr Russel Winder      t: +44 20 7585 2200   voip: sip:russel.winder at ekiga.net
> 41 Buckmaster Road    m: +44 7770 465 077   xmpp: russel at winder.org.uk
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