[FFmpeg-devel] [PATCH v1] avcodec/vaapi: set more flags for VASurfaceAttrib

[mypopy at gmail.com]

On Tue, Nov 19, 2019 at 4:24 PM Wangfei <fei.w.wang at intel.com> wrote:
>
> flags and value.type is needed when pass VASurfaceAttrib to driver.
> Otherwise the attribute will be considered invalid in driver.
>
> Signed-off-by: Wangfei <fei.w.wang at intel.com>
> ---
>  libavcodec/vaapi_decode.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/libavcodec/vaapi_decode.c b/libavcodec/vaapi_decode.c
> index 69512e1d45..a93aba5a5d 100644
> --- a/libavcodec/vaapi_decode.c
> +++ b/libavcodec/vaapi_decode.c
> @@ -350,6 +350,8 @@ static int vaapi_decode_find_best_format(AVCodecContext *avctx,
>
>          ctx->pixel_format_attribute = (VASurfaceAttrib) {
>              .type          = VASurfaceAttribPixelFormat,
> +            .flags         = VA_SURFACE_ATTRIB_SETTABLE,
> +            .value.type    = VAGenericValueTypeInteger,
I can't found any description in libva about this part, do you have
any other  docs?
>              .value.value.i = best_fourcc,
>          };
>
> --
> 2.17.1
>