[vdr] Testing multi CAM mode

Klaus Schmidinger Klaus.Schmidinger at cadsoft.de
Fri Nov 18 14:49:51 CET 2005

Mikko Salo wrote:
> On Sun, 2005-11-13 at 15:16 +0100, Klaus Schmidinger wrote:
>>Now the reason why I am providing this patch is that I'd
>>like to invite you folks to try this out and maybe see what
>>might be wrong here. The problem is that whenever a channel
>>is added or removed from the CA_PMT data, there are distortions
>>in the recordings.
> I tested this patch with my single Technotrend DVB-C Premium 2.1 card +
> Conax 4.00e CAM and "not-so-vanilla" vdr version, with vdr-1.3.36 and
> dozen of plugins and patches to those.
>>So from this I would expect no distortions to happen when adding/removing
>>channels from the list of CA_PMT objects.
>>Now there is either a flaw in my code, or my CAM just doesn't work
>>as required by the standard.
>>Any hints here are appreciated.
> Not that I can give you any hint, only report what happened...
> Recording another and watching another encrypted channel at the same
> time is possible, but gives very much same distortions as you described.
> Recording is jumpy and the livestream hangs in ~1-2 second periods.
> Hope that I can help somehow.

Hi Mikko,

if you have only one CAM in a CI adapter with two slots, then the line

           newCaSupport = true;

at the end of cCiHandler::SendCaPmt() could be triggering the jumpy
live stream. Could you please try without this line?


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