On Tue, Jul 18, 2023 at 10:32 AM Evgeny Pavlov <lucenti...@gmail.com> wrote:
> This commit adds BGRA, RGBA and ARGB pixel formats for AMF encoders
>
> Signed-off-by: Evgeny Pavlov <lucenti...@gmail.com>
> ---
> libavcodec/amfenc.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/libavcodec/amfenc.c b/libavcodec/amfenc.c
> index cb48f8c273..234cd012ef 100644
> --- a/libavcodec/amfenc.c
> +++ b/libavcodec/amfenc.c
> @@ -74,6 +74,9 @@ static const FormatMap format_map[] =
> { AV_PIX_FMT_NV12, AMF_SURFACE_NV12 },
> { AV_PIX_FMT_BGR0, AMF_SURFACE_BGRA },
> { AV_PIX_FMT_RGB0, AMF_SURFACE_RGBA },
> + { AV_PIX_FMT_BGRA, AMF_SURFACE_BGRA },
> + { AV_PIX_FMT_RGBA, AMF_SURFACE_RGBA },
> + { AV_PIX_FMT_ARGB, AMF_SURFACE_ARGB },
> { AV_PIX_FMT_GRAY8, AMF_SURFACE_GRAY8 },
> { AV_PIX_FMT_YUV420P, AMF_SURFACE_YUV420P },
> { AV_PIX_FMT_YUYV422, AMF_SURFACE_YUY2 },
> --
> 2.37.3.windows.1
>
> The purpose of this patch is to fix an issue with feeding ddagrab output
to AMF directly. The output of ddagrab might be BGRA, AMF supports this
input, but failed to encode due to missing mapping from AV_PIX_BGRA to
AMF_SURFACE_BGRA in amfenc.c
DXGI isn't firm to distinguish between RGBA & RGBX, so it is safer to
support both to avoid failures like with ddagrab.
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