[FFmpeg-devel] [PATCH] 5 patches from the Debian packaging

Timothy Gu timothygu99 at gmail.com
Mon Mar 10 21:00:22 CET 2014

On Mon, Mar 10, 2014 at 11:19 AM, Andreas Cadhalpun
<andreas.cadhalpun at googlemail.com> wrote:
> On 10.03.2014 01:29, Timothy Gu wrote:
>> On Sun, Mar 9, 2014 at 11:42 AM, Andreas Cadhalpun
>> <andreas.cadhalpun at googlemail.com> wrote:
>>> I tried to convert the t2h.init to t2h.pm (attached) and mostly succeded,
>>> but I think changing the title is not that easy.
>> Yes. I found some examples that includes adding custom callback for
>> subroutines that might be helpful:
>> http://anonscm.debian.org/gitweb/?p=debian-tex/texinfo.git;a=tree;f=tp/init;hb=HEAD
> I managed to change both the title and the float handling, but unfortunately
> this involved copying the respective default functions from HTML.pm in
> texinfo, which are licensed under GPLv3+.
> The float representation additionally requires the following (copied from
> [1]) added to default.css:
> .note {
>     margin: 1em;
>     border: 1px solid #bbc9d8;
>     background-color: #dde1e1;
> }
> .important {
>     margin: 1em;
>     border: 1px solid #d26767;
>     background-color: #f8e1e1;
> }

It is actually a part of texi2html so its license applies here.

>> Well, it is an image file so i don't think there should be a "source" for
>> it :)
> Not quite, the 'source' is the preferred form of modification, which the
> icon file is probably not.
> I don't think the icon was created independently from the main logo, but is
> rather a reduced size version of it. Furthermore the favicon.png says it's
> created by 'Adobe ImageReady', thus the source is probably a PSD file.

The SVG file is available in the same link (

>> The file is used for the website (e.g. http://ffmpeg.org/ffmpeg.html),
>> but I guess it's not needed.
> It's not really needed, but the HTML documentation still has:
> <link rel="icon" href="favicon.png" type="image/png" />

>> Also yes, the license of the file is not clear. We lost contact with
>> the author of the logo, Hervé Flores, and it was not explicitly
>> released under a free license. However he did "provide us with
>> sufficient rights to use the art in any form: not limited to the web
>> site, t-shirts, and print media; to refer only to the FFmpeg project
>> at no cost to us" ( from
>> http://trac.ffmpeg.org/wiki/SubmitALogo#UsageRightsLicenseInformation).
> The next sentence there is:
> "The rights though should be restricted enough not to allow the art from
> being used for non-FFmpeg representation."
> Thus I think it is not possible to release this under a free license, which
> would obviously allow the use for non-FFmpeg representation.
> (Correct me, if I'm wrong here, I'm no lawyer.)
> I think for this kind of restriction trademarks and not copyright should be
> used.
> Anyway, since the license of this icon is not clear, it shouldn't be in the
> release tarball.

That's why we don't. You can remove the linking if you want, but that
would mean more hacking for the auto generation of the website to

Also, Michael, how did you manage to insert the FFmpeg banner to the
documentation on the website server? Is it through the FFMPEG_HEADER
env var?


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