[Ffmpeg-devel] Potential FFmpeg Licence Violation 'Koyote Ipod video converter for free'

Måns Rullgård mans
Tue Apr 10 14:49:17 CEST 2007

Benjamin Larsson <banan at ludd.ltu.se> writes:

> M?ns Rullg?rd skrev:
>> Reimar D?ffinger <Reimar.Doeffinger at stud.uni-karlsruhe.de> writes:
>>> Hello,
>>> On Tue, Apr 10, 2007 at 05:49:21PM +1000, mark cox wrote:
>>> [...]
>>>>  the recipient agrees to the terms of this Agreement. You may not reverse
>>>>  engineer, de-compile or disassemble the Software, except to the extent that
>>>>  this restriction is expressly prohibited by applicable law. You may not
>>>>  distribute printed copies of any user documentation provided in electronic
>>>>  format. Regardless of the type of media you receive, you may only use the
>>>>  portion appropriate for your single user computer/workstation.
>>> A "standard" EULA, but this part is in violation of LGPL section 6 if
>>> they link against libav*
>>> Someone ready to contact them? Maybe they are just one of those who
>>> don't know what they are doing... You can always hope after all...
>> If they are using the directshow wrappers in ffdshow, it is far from
>> clear that they are violating anything by the process of linking.  If
>> they are simply requesting, say, an MPEG2 decoder through the standard
>> directshow api, their product is no more a derivative of lavc than it
>> is of any other MPEG2 decoder with a dshow interface.
>> Linking aside, since they are distributing lavc, they must also
>> distribute source for lavc, regardless of the license of their code.
>> As always, it is best to initially approach them in a friendly tone,
>> alerting them of their duties.  If they refuse to comply, we can start
>> getting nasty (well, as nasty as we can get without deep pockets
>> feeding the lawyers).
> How about we just start a black list of applications that use ffmpeg
> and libs without the correct attribution on ffmpeg.org? At least then
> we would have a hall of shame. Now all this info is burried in the
> mailinglist archives.

That would be a start.  Feel free to start compiling the list.

M?ns Rullg?rd
mans at mansr.com

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