https://bugs.kde.org/show_bug.cgi?id=371540

--- Comment #5 from Alan <pinner...@gmail.com> ---
Dear Mauro

I did a little research on your behalf. See below:


On 02/12/16 08:21, Mauro Carvalho Chehab wrote:
https://bugs.kde.org/show_bug.cgi?id=371540

--- Comment #3 from Mauro Carvalho Chehab <mchehab+...@kernel.org> ---

> Several stations on the programme guide show gibberish in the title column.
> e.g.
> 23/10/2016 22:45 00:15 [wierd characters]     BBC NEWS HD

You wrote:
---------

Program guides in UK uses non-standard charset tables. Currently, Kaffeine
doesn't have support for that. One of the issues is that it seems that there
are some patent issues related to the usage of such tables.

 From the uk.tech.digital.tv Newsgroup
-------------------------------------

Monday 05 Dec 2016 13:34:36

On 04/12/16 22:14, Pinnerite wrote:
> I had been struggling to deploy a computer program called Kaffeine
> 2.0.5 because that version supposedly could process DVB-T2 (HD)
> signals.
>
> However I couldn't test it because its channel search routine seemed
> to find and list everything from Berlin to Hanoi but not UK channels.
>
> Finding no help on the wwww I finally wrote to the developer,
> receiving the following reply a couple of days ago.
>
> "Program guides in UK uses non-standard charset tables. Currently,
> Kaffeine doesn't have support for that. One of the issues is that it
> seems that there are some patent issues related to the usage of such
> tables."
>
> So why are we Brits locked out?
> Another reason for Bill to Brexit I'll bet. :)
>
> Alan

On DVB-T2 the EIT tables are compressed using Huffman coding, using the
same coding table as Freesat. This reduces the size of the EIT and thus
the bandwidth that has to be used to broadcast it.

I believe that the coding table is subject to copyright and is not
generally made available. However it was speedily reverse engineered and
most open-source media players include the reverse-engineered version by
default.
Dave

Regards, Alan Secker

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