[FFmpeg-devel] [PATCH] configure: Change license required for NewTek SDK

[Ricardo Constantino]

On 14 February 2018 at 12:56, Tomas Härdin <tjoppen at acc.umu.se> wrote:

> On 2018-02-14 13:50, Kyle Schwarz wrote:
>
>> On Wed, Feb 14, 2018 at 7:45 AM, Hendrik Leppkes <h.leppkes at gmail.com>
>> wrote:
>>
>>> On Wed, Feb 14, 2018 at 1:32 PM, Kyle Schwarz <zeranoe at gmail.com> wrote:
>>>
>>>> On Wed, Feb 14, 2018 at 7:20 AM, Carl Eugen Hoyos <ceffmpeg at gmail.com>
>>>> wrote:
>>>>
>>>>> 2018-02-14 13:12 GMT+01:00 Kyle Schwarz <zeranoe at gmail.com>:
>>>>>
>>>>>> On Wed, Feb 14, 2018 at 6:54 AM, Carl Eugen Hoyos <ceffmpeg at gmail.com>
>>>>>> wrote:
>>>>>>
>>>>>>> 2018-02-14 12:21 GMT+01:00 Kyle Schwarz <zeranoe at gmail.com>:
>>>>>>> Sorry, I wasn't immediately able to find the sources for the
>>>>>>> ndi library: Please post a link.
>>>>>>>
>>>>>> The only official way I know to get the SDK is by providing them with
>>>>>> an email when selecting "Download": https://www.newtek.com/ndi/sdk/
>>>>>>
>>>>> Do you have the sources that allow to build the library "ndi" (that
>>>>> FFmpeg links against), to change it and redistribute it?
>>>>>
>>>> No, the library comes pre built in the SDK.
>>>>
>>> If you need to link against a proprietary binary, then the resulting
>>> binary is no longer GPL compatible, and as such non-free, no matter
>>> the license of the headers.
>>>
>> Good to know, thanks for clearing this up. Sounds like NewTek might be
>> a little confused about this:
>> https://ffmpeg.zeranoe.com/forum/viewtopic.php?f=42&p=13238#p13238
>>
>
> This applies only to the CLI. The libraries are LGPL, so things may be
> different there depending on how things are packaged/linked. The LGPL
> permits distributing proprietary object files such that a functioning
> library may be linked together. See https://www.gnu.org/licenses/g
> pl-faq.en.html#LGPLStaticVsDynamic
>
>
The SDK license agreement also mentions that it's unredistributable.
Doesn't that make it as nonfree as decklink's?