[FFmpeg-devel] [PATCH] avfilter: add libvmaf_cuda

[Kyle Swanson]

Hi,

On Sat, Sep 23, 2023 at 12:02 PM Timo Rothenpieler <timo at rothenpieler.org>
wrote:

> On 23.09.2023 11:50, Kyle Swanson wrote:
> > Hi,
> >
> > On Wed, Sep 20, 2023 at 11:55 PM Timo Rothenpieler <
> timo at rothenpieler.org>
> > wrote:
> >> Or it needs to be a sub-feature of libvmaf, where if libvmaf is enabled,
> >> support for CUDA is checked for, and then the vmaf_cuda filter needs to
> >> depend on that check.
> >
> > This previous patch should do just that [0]. What's missing?
>
> The checks in there seem both overly complex and also not correct to me.
> I've never seen a "*_filter" in a check_pkg_config or similar call.
> With this setup, it'd be possible to call configure with
> --enable-libvmaf, and have it success, even though there is no libvmaf
> on the system, as long as the filter is disabled.
>
> If you want to go the implicit route, you'll want the following two things:
>
> For the dependencies
>
>  > libvmaf_cuda_filter_deps="libvmaf libvmaf_cuda ffnvcodec"
>
> And then at some point after the current "require_pkg_config libvmaf"
> check:
>
> > enabled libvmaf && check_pkg_config libvmaf_cuda "libvmaf >= 2.0.0"
> libvmaf_cuda.h vmaf_cuda_state_init
>
> I think there's a place in configure where a bunch of such optional
> checks happen.
> But I see no issue with throwing it right after the current libvmaf
> check either.
>

New patch attached.

Thanks,
Kyle
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