[FFmpeg-devel] AMD external header

Pavel Koshevoy pkoshevoy at gmail.com
Wed Nov 29 18:09:14 EET 2017

On Tue, Nov 28, 2017 at 12:47 AM, Tobias Rapp <t.rapp at noa-archive.com> wrote:
> On 27.11.2017 17:14, Pavel Koshevoy wrote:


>> Personally, I would prefer if the bundled external headers were
>> installed together with ffmpeg public headers (so nvenc/cuda/etc...
>> weren't simply private headers within ffmpeg).  There are some nvenc
>> APIs I need to query hardware capabilities to avoid setting nvenc
>> codec parameters that would cause the codec to fail to initialize via
>> ffmpeg apis.  Given that ffmpeg already includes the headers that
>> declare those APIs I've been able to use them without installing nvenc
>> SDK separately, but since they are private headers in the ffmpeg
>> source tree it feels dirty to do that.
> Your use-case looks like an argument for moving the external headers into
> some separate repository. Not that I personally care much about bundling or
> not bundling. To me the more important question seems to be whether to
> auto-enable the encoders/decoders that depend on the external headers and
> libraries or not.

Yeah, that would be cleaner, but it does bring up the maintenance
burden that Nicolas has mentioned.  As long as the headers are in the
ffmpeg tree -- the maintenance burden is on ffmpeg.  When the headers
are moved to an external repo it would not necessarily be an ffmpeg
projects maintenance burden, but then who should be maintaining it?
The vendor?


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