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Op 13-4-2012 22:20, Andre Hasekamp schreef:
<blockquote
cite="mid:8CEE7CA1040051B-1AB0-D95F@webmail-m160.sysops.aol.com"
type="cite"><font size="2" color="black" face="arial"><font
size="2" color="black" face="arial"><font face="Arial,
Helvetica, sans-serif">Please help me with the following
concerning CI (Common Interface) / CI+ / CAM (Conditional
Access Module).<br>
<br>
First of all my compliments for the MythTV program. Really
impressive.<br>
<br>
The same goes for the Wiki documentation. Except for one
point: CI / CI+ /CAM. However I searched on this subject, I
could not find any documentation in the Wiki. Not in the
user manual, not in the Wish List, not in the FAQ, not in
the HOWTO. Did I overlook something? If the issue was clear
to me, I would be glad to contribute some documentation on
it, because I really think this subject deserves
documentation. Also, until there is documentation on the
MythTV CI / CAM support, people will keep coming back on it.<br>
<br>
In this post I'm only talking about hardware CI and hardware
CAM. No software emulation.<br>
<br>
Then there is the mailing list "MythTV-users". That's where
I got confused. Let me explain.<br>
<br>
- At first sight, in 2004 the world was simple. Someone
asked the question "Does MythTV support a CAM module
inserted in my DVB card's CI slot?" and got the
straightforward answer: "Yes". But: no MythTV software, no
drivers required? Not clear from this answer.<br>
<br>
Then, in posts between 2004 and 2011, things start to get
more complicated. Without itemizing different posts, here is
my overall impression.<br>
<br>
- In the posts, now a distinction is made among DVB-C, DVB-S
and DVB-T (necessary?).<br>
<br>
- In the posts, now a distinction among TV signals from
different broadcasters (still being DVB-C, DVB-S or DVB-T)
is made (necessary?).<br>
<br>
- In the posts, now a distinction is made among CA systems
(necessary?).<br>
<br>
- Someone remarks: "they (MythTV developers) want nothing to
do with CAM" (no problem if the first statement above from
2004 remains unconditionally true).<br>
<br>
- It gets tricky when people start mentioning specific
combinations of TV cards and CI / CAM and tell us the CAM is
not recognized by MythTV (but of course these people could
have made mistakes which are not related to CAM).<br>
<br>
- And then, in 2011, someone mentions a kernel patch to make
CI / CAM work. Alternatively, we have to wait until kernel
3.2 (as of yet unreleased) until this patch is included in
the kernel. True, false? Hard for me to judge.<br>
<br>
- Questions on CI / CAM are often not answered.<br>
<br>
So, wouldn't it be useful to have some documentation on when
and how CI / CAM is supported or not supported by MythTV?<br>
<br>
At the moment I use the English language version of MythTV
with an old TV card (only Free-To-Air TV channels). It is
time to acquire a more recent card, but with (maybe only
hardware) support for decrypting channels.<br>
<br>
While looking for DVB-T cards, in the MythTV WiKi, I found 2
cards where it is mentioned that you can add an optional CAM
module. Fortunately, one of these cards is available for
sale in my environment. However, rather I would like to
understand the CI / CAM issue and then select a recent DVB-T
card on the basis of MythTV supported TV-chipsets and
TV-tuners and finally maybe gamble a little with the MythTV
support of the selected card, while the card is available
from different (internet) shops.<br>
<br>
Any reply will be welcome. If the issue remains unclear to
me, I will have to resort to that single DVB-T card I have
found so far in the Wiki documentation, which would support
CI / CAM, while I must hope it will decrypt my DVB-T signal.<br>
<br>
Regards,<br>
Andre.</font></font></font><br>
</blockquote>
<font color="black"><font size="2"><font face="arial"><br>
AFAICT you're from the Netherlands like me where using
hardware CAM is allowed by broadcasters. You say you're using
free-to-air now, is that via DVB-T? Or analog cable?<br>
I know that for DVB-T(or digitenne) you need a CONAX-cam which
you can rent from KPN, with that it is allowed to use all the
channels you're subscribed to.<br>
In general (AFAIK, I got fiber without any encryption) a tuner
with CI combined with cam just provides an unencrypted stream
to mythtv via it's interface. The only thing the card needs to
be is supported under linux including CI.<br>
For that I'd like to refer you to:
<a class="moz-txt-link-freetext" href="http://www.linuxtv.org/wiki/index.php/DVB-T_Devices">http://www.linuxtv.org/wiki/index.php/DVB-T_Devices</a> (more
cards might be supported than mentioned on this page) and also
to the mailinglist of them to ask if it is supported, if it
is, generally mythtv will work with it.<br>
<br>
The tricky part of this subject is that it often strays into
grey areas and the devs(a lot of them based in the us) don't
want to hand a stick to whatever media-organization to be
beaten with,<br>
<br>
Best regards,<br>
<br>
Jos<br>
</font></font></font>
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