Re: [FFmpeg-devel] [PATCH v2 2/5] avutil/hwcontext_qsv: derive QSV frames to D3D11VA frames

[Soft Works <softworkz@hotmail.com>]

> -----Original Message-----
> From: ffmpeg-devel <ffmpeg-devel-bounces@ffmpeg.org> On Behalf Of Tong
> Wu
> Sent: Friday, April 29, 2022 12:45 PM
> To: ffmpeg-devel@ffmpeg.org
> Cc: Tong Wu <tong1.wu@intel.com>
> Subject: [FFmpeg-devel] [PATCH v2 2/5] avutil/hwcontext_qsv: derive
> QSV frames to D3D11VA frames
> 
> Fixes:
> $ ffmpeg.exe -y -hwaccel qsv -init_hw_device d3d11va=d3d11 \
> -init_hw_device qsv=qsv@d3d11 -c:v h264_qsv -i input.h264 \
> -vf "hwmap=derive_device=d3d11va,format=d3d11" -f null -
> 
> Signed-off-by: Tong Wu <tong1.wu@intel.com>
> ---
>  libavutil/hwcontext_qsv.c | 15 +++++++++++++--
>  1 file changed, 13 insertions(+), 2 deletions(-)
> 
> diff --git a/libavutil/hwcontext_qsv.c b/libavutil/hwcontext_qsv.c
> index 66c0e38955..d9d05e936a 100644
> --- a/libavutil/hwcontext_qsv.c
> +++ b/libavutil/hwcontext_qsv.c
> @@ -808,12 +808,23 @@ static int
> qsv_frames_derive_from(AVHWFramesContext *dst_ctx,
>  #if CONFIG_D3D11VA
>      case AV_HWDEVICE_TYPE_D3D11VA:
>          {
> +            dst_ctx->initial_pool_size = src_ctx->initial_pool_size;
>              AVD3D11VAFramesContext *dst_hwctx = dst_ctx->hwctx;
> -            mfxHDLPair *pair = (mfxHDLPair*)src_hwctx-
> >surfaces[i].Data.MemId;
> -            dst_hwctx->texture = (ID3D11Texture2D*)pair->first;
> +            dst_hwctx->texture_infos = av_calloc(src_hwctx-
> >nb_surfaces,
> +                                                 sizeof(*dst_hwctx-
> >texture_infos));
>              if (src_hwctx->frame_type & MFX_MEMTYPE_SHARED_RESOURCE)
>                  dst_hwctx->MiscFlags = D3D11_RESOURCE_MISC_SHARED;
>              dst_hwctx->BindFlags =
> qsv_get_d3d11va_bind_flags(src_hwctx->frame_type);
> +            for (i = 0; i < src_hwctx->nb_surfaces; i++) {
> +                mfxHDLPair* pair = (mfxHDLPair*)src_hwctx-
> >surfaces[i].Data.MemId;
> +                dst_hwctx->texture_infos[i].texture =
> (ID3D11Texture2D*)pair->first;
> +                if (dst_hwctx->BindFlags & D3D11_BIND_RENDER_TARGET)
> {
> +                    dst_hwctx->texture_infos[i].index = 0;
> +                }
> +                else {
> +                    dst_hwctx->texture_infos[i].index =
> (intptr_t)pair->second;
> +                }
> +            }
>          }
>          break;
>  #endif
> --

LGTM.

This has always been incomplete and untested since my original patchset.

softworkz


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