[FFmpeg-devel] [PATCH 4/5] avfilter/vf_thumbnail_cuda: Switch to using ffnvcodec

[Soft Works]

> Subject: [FFmpeg-devel] [PATCH 4/5] avfilter/vf_thumbnail_cuda: Switch to using ffnvcodec
>
> This change switches the vf_thumbnail_cuda filter from using the
> full cuda sdk to using the ffnvcodec headers and loader.
>
> Most of the change is a direct mapping, but I also switched from
> using texture references to using texture objects. This is supposed
> to be the preferred way of using textures, and the texture object API
> is the one I added to ffnvcodec.
>
> Signed-off-by: Philip Langdale <philipl at overt.org>
> ---
>  configure                        |   2 +-
>  libavfilter/vf_thumbnail_cuda.c  | 147 +++++++++++++++++--------------
>  libavfilter/vf_thumbnail_cuda.cu |  25 +++---
>  3 files changed, 93 insertions(+), 81 deletions(-)

> -    CHECK_CU(cuMemsetD8(s->data, 0, HIST_SIZE * sizeof(int)));
> +    CHECK_CU(cu->cuMemsetD8Async(s->data, 0, HIST_SIZE * sizeof(int), s->cu_stream));
Hi Phil,

the only problem I encountered was the cuMemsetD8Async function
which needs yet to be added to the ffnvcodec headers.

The other filters are building fine (MSYS2/Win).

-- softworkz