[FFmpeg-devel] [PATCH 1/2] avcodec/nvenc: Include NVENC SDK header
andreas.cadhalpun at googlemail.com
Thu Dec 10 20:54:36 CET 2015
On 10.12.2015 20:37, Nicolas George wrote:
> Le decadi 20 frimaire, an CCXXIV, Andreas Cadhalpun a écrit :
>> Using the header, one could create a dummy libfoo.so containing only
>> stub functions.
>> I don't think the FSF would agree .
> They do not make the law.
Neither do you or I.
> Claiming that the GPL enforces more than it can is obviously their game.
Ultimately, the only definitive answer can come from a court decision,
which will hopefully not be needed here.
>> The GPL does not require that programs can run, only that distributors
>> provide the source code of everything that is needed to run the program,
>> except system libraries.
>> So you can distribute e.g. a GPL binary linking with libfoo.so, without
>> distributing libfoo.so, as long as you distribute the source code
>> of libfoo.so.
>> However, claiming that libfoo.so is not required to run the binary
>> would be bizarre.
> Once again, exactly. I agree that having the program not work at all would
> probably not be sustainable. But for an optional feature (a codec, for
> example), having a GPL-compatible stub libfoo.so that just prints "feature
> not available" is perfectly legal.
One could argue endlessly about where to draw the line...
On the other hand I think we agreed to not enable nvenc by default,
so lets just do it that way.
That leaves the question of whether or not to include the header,
but I have no strong opinion on that.
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