On 01.03.2018 11:39, Patrick Boettcher wrote:
On Thu, 1 Mar 2018 10:22:10 +0100
Patrick Boettcher <patrick.boettcher@xxxxxxxxx> wrote:
On Wed, 28 Feb 2018 11:01:23 +0100
Klaus Schmidinger <Klaus.Schmidinger@xxxxxxx> wrote:
> On 27.02.2018 17:58, Patrick Boettcher wrote:
> > On Tue, 27 Feb 2018 16:54:35 +0100
> > Klaus Schmidinger <Klaus.Schmidinger@xxxxxxx> wrote:
> >
> >> Hello Patrick,
> >>
> >> your scan doesn't contain the NIT, which is where the transponder
> >> innformation is broadcast. Can you scan that, too, please?
> >
> > Hi Klaus,
> >
> > NIT attached (from another multiplex with the same symptoms).
>
> DVB-DescriptorTag: 90 (0x5a) [=
> terrestrial_delivery_system_descriptor] descriptor_length: 11 (0x0b)
> Center frequency: 0xffffffff (= 42949672.095 kHz)
>
> @@ -219,6 +219,8 @@
> cDvbTransponderParameters dtp;
> int Source = cSource::FromData(cSource::stTerr);
> int Frequency = Frequencies[0] =
> sd->getFrequency() * 10;
> + Frequency = Transponder() * 1000000;//XXX
> + dsyslog("Frequency = %08X, Transponder = %d",
> sd->getFrequency(), Transponder());//XXX static int Bandwidths[] =
> { 8000000, 7000000, 6000000, 5000000, 0, 0, 0, 0 };
> dtp.SetBandwidth(Bandwidths[sd->getBandwidth()]); static int
> Constellations[] = { QPSK, QAM_16, QAM_64, QAM_AUTO };
It works. I had to have VDR recreate the channels because it was
mixing things up with the already existing ones.
As to why the frequency is set to "-10" I don't know (yet), but I
remember it has always been like this since 2005.
Here is the explanation why the frequency field in French DVB-T shall
not be used, (cf. CSA-Profil-de-signalisationv3.4.pdf, page 30,
terrestrial_delivery_system_descriptor):
le terrestrial delivery_system_descriptor diffusés dans la NIT
correspond au cas général. En effet, la NIT ne décrit pas de façon
exhaustive le réseau actuel d’émetteurs, mais l’organisation des
services des multiplex diffusés : ainsi les fréquences des multiplex
renseignées par le paramètre centre_frequency ont une valeur fixée à
0xFFFFFFFF. Ces fréquences ne sont pas à prendre en compte
It says, grosso modo, that the NIT does not describe the network in an
exhaustive manner, but it does for services. Le field centre_frequency
contains the value 0xFFFFFFFF and is not to be taken into consideration.
My last message was sent before I received your log.
I'll take a further look...
Klaus
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