[mythtv] problem watching encrypted channels

[Johan]

Fixed, modified dvbci.cpp. I'll try to find out how to make a patch and
send it to trac.  

Johan

On Wed, 2008-01-23 at 23:48 +0100, Johan wrote:
> On Wed, 2008-01-16 at 14:34 +0100, Johan wrote:
> > 
> > On Wed, 2008-01-16 at 11:18 +0100, Johan wrote: 
> > > Hello devs,
> > > 
> > > I'm falling back on the experts, since I have a problem which no-one can
> > > help me with yet, and searching google and the asking on the user list
> > > could not help me either.
> > > 
> > > I am running mythtv 
> > > (2008-01-16 09:44:37.952 mythbackend version: 0.20.20070821-1
> > > www.mythtv.org)
> > > 
> > > 
> > > on mythbuntu:
> > > 
> > > Linux version 2.6.22-14-generic (buildd at terranova) (gcc version 4.1.3
> > > 20070929 (prerelease) (Ubuntu 4.1.2-16ubuntu2)) #1 SMP Tue Dec 18
> > > 08:02:57 UTC 2007 (Ubuntu 2.6.22-14.47-generic)
> > > 
> > > 
> > > My hardware is a Hauppauge Nexus-S card with a Dual CI interface. I'm
> > > using a cam and the official smartcard.
> > > 
> > > I cannot watch encrypted DVB-S channels using mythtv. As a sanity check
> > > I verified that my hardware is ok using WinXP and the
> > > hauppauge/technotrend TV viewer.
> > > 
> > > 
> > > I can also watch encrypted channels using Kaffeine. Additionally I
> > > installed "vdr" and also with this program I can watch my encrypted
> > > programs.
> > > 
> > > So in this case it is only Mythtv which is giving me a problem watching
> > > encrypted DVB-S channels. (but I like to use mythtv :) )
> > > 
> I guess no one was able to answer here, but I did some research. I
> compared the ci.h from vdr with the dvbci.h from mythtv, and the ci.c
> with the dvbci.c from myth. It seems that, at least looking at the
> dates, the code included in myth is about 7 years old. (the vdr code is
> about 1 year old) Also looking at the code (or for me at least looking
> at the comments in the code) it seems that the vdr CI code has made
> several improvements to deal with the more advanced CAMS, and perhaps
> also with some later discovered features/bugs/funny behaviours of CAMS
> and smartcards. 
> I can make a safe assumption that programming at the "hardware level" is
> a skill which is first of all very difficult, and most likely the
> interface with CI requires even more very specific knowledge. My skills
> in programming so close to the hardware date from over 20 years ago,
> with a small intermezzo in writing ALU exercise routines in octal code
> on a HP1000 RTE system in the early 90's. So I understand the
> complexity, but can't be of any help. 
> I hope there is someone who is able to port the improved CI handling
> routines from vdr 1.4.7 to MythTV, and I'll be happy to test if
> required. 
> 
> 
> Johan
>  
> 
> 
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