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Re: Kaffeine and LCN (Logical Channel Number)
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Hi,
2009/5/21 Alfredo Pironti <alfredo.pironti@...>:
> On Thu, May 21, 2009 at 3:37 PM, Alfredo Pironti
> <alfredo.pironti@...> wrote:
>> Hi there,
>>
>> In Italy, where I live, we're switching to DVB-T (analog TV is being
>> shut down). For this reason I bought some set-top-boxes (STB) for my
>> parents' TVs, and one DVB-T USB card for my computer.
>>
>> After frequency scan, my parents' STBs automatically assign channels
>> the "right" number (like "Channel One" goes on 1, "Channel Two" on 2
>> and so on), while I can't get the same behaviour on Kaffeine: channels
>> are ordered alphabetically.
>>
>> I browsed a bit, and found people talking about "Logical Channel
>> Number" (LCN). 1) Is LCN something "hardcoded" in the STBs, or 2) is
>> LCN information broadcast by the DVB-T providers? Is in any case
>> possible to have this feature in Kaffeine, 1) by creating localized
>> configuration files, or 2) by reading the LCN field from the DVB-T
>> signal?
So ... as you found out, LCN seems to be part of the DVB-T data.
>> Thank you very much for the support. (And of course Kaffeine rocks! ;-) )
>>
>> Regards,
>> Alfredo
>
> If this can be of any help, I found this document about LCN (so it
> seems to be something standard...)
> http://www.dgtvi.it/stat/Allegati/Specifiche_LCN.pdf
>
> If extending kaffeine to support this feature requires some
> programming, I'm quite motivated and experienced (but not on QT or KDE
> libraries... sorry...).
Well, the problem is that those information is transmitted in a part
that kaffeine doesn't look at. Of course it's possible to deal with
LCN, the question is whether it's worth the effort (there is also the
possibility of collisions: other countries might be using tag 0x83
(=private) for something else). How important is that number? I think
that you normally identify a channel by its name, not by a number (but
ok, there are exceptions). You can also manually assign numbers to the
channels (if you absolutely don't like the order) and sort by number.
> Please let me know.
>
> Alfredo
Christoph
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2009/5/21 Alfredo Pironti <alfredo.pironti@...>:
> On Thu, May 21, 2009 at 3:37 PM, Alfredo Pironti
> <alfredo.pironti@...> wrote:
>> Hi there,
>>
>> In Italy, where I live, we're switching to DVB-T (analog TV is being
>> shut down). For this reason I bought some set-top-boxes (STB) for my
>> parents' TVs, and one DVB-T USB card for my computer.
>>
>> After frequency scan, my parents' STBs automatically assign channels
>> the "right" number (like "Channel One" goes on 1, "Channel Two" on 2
>> and so on), while I can't get the same behaviour on Kaffeine: channels
>> are ordered alphabetically.
>>
>> I browsed a bit, and found people talking about "Logical Channel
>> Number" (LCN). 1) Is LCN something "hardcoded" in the STBs, or 2) is
>> LCN information broadcast by the DVB-T providers? Is in any case
>> possible to have this feature in Kaffeine, 1) by creating localized
>> configuration files, or 2) by reading the LCN field from the DVB-T
>> signal?
So ... as you found out, LCN seems to be part of the DVB-T data.
>> Thank you very much for the support. (And of course Kaffeine rocks! ;-) )
>>
>> Regards,
>> Alfredo
>
> If this can be of any help, I found this document about LCN (so it
> seems to be something standard...)
> http://www.dgtvi.it/stat/Allegati/Specifiche_LCN.pdf
>
> If extending kaffeine to support this feature requires some
> programming, I'm quite motivated and experienced (but not on QT or KDE
> libraries... sorry...).
Well, the problem is that those information is transmitted in a part
that kaffeine doesn't look at. Of course it's possible to deal with
LCN, the question is whether it's worth the effort (there is also the
possibility of collisions: other countries might be using tag 0x83
(=private) for something else). How important is that number? I think
that you normally identify a channel by its name, not by a number (but
ok, there are exceptions). You can also manually assign numbers to the
channels (if you absolutely don't like the order) and sort by number.
> Please let me know.
>
> Alfredo
Christoph
------------------------------------------------------------------------------
Register Now for Creativity and Technology (CaT), June 3rd, NYC. CaT
is a gathering of tech-side developers & brand creativity professionals. Meet
the minds behind Google Creative Lab, Visual Complexity, Processing, &
iPhoneDevCamp as they present alongside digital heavyweights like Barbarian
Group, R/GA, & Big Spaceship. http://p.sf.net/sfu/creativitycat-com
_______________________________________________
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