Rolf Hakenes wrote:
....
> - enabled 'dtv_scan' to generate a VDR-compliant 'channel.conf' file
> ** Comment to this feature: Due to the nature of DVB broadcastings
> 'dtv_scan' cannot garantuee to find all channels as VDR needs them
> to know. For NVOD and Linkage channels (PW Cinedom/Superdom/F1) only
> the main channel can be found (which is not very interesting for VDR,
> as it contains no audio/video stream). Additionally only channels that
> broadcast at the moment of the scan are scanned with the correct
> audio/video PID. All this is due to the fact, that the standard
> specifies only the service PID (called pnr in VDR) as the unique
> identifier for a channel. Audio and video PID are just temporary
> numbers, which are known to the receiver through parsing the
> appropriate PMT table (part of DVB-SI information stream).
Hi Klaus and Rolf,
if I interpret the above correctly,
* the PNR/service PID is the unique identification of a channel?
* APID and VPID are temporary (not guaranteed to remain the same)
and can easily and quickly be retrieved as long as we have
a transponder frequency, polarization, symbol rate and PNR?
Does the same also apply to the Teletext PID and the AC3 PID?
Carsten.
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