[libav-devel] [PATCH V2 2/3] lavu/hwcontext_qsv: Add support for pix_fmt RGB32.

Li, Zhong zhong.li at intel.com
Thu Mar 29 16:05:58 CEST 2018


Ping?

> -----Original Message-----
> From: Li, Zhong
> Sent: Thursday, March 22, 2018 10:42 PM
> To: libav-devel at libav.org
> Cc: Li, Zhong <zhong.li at intel.com>; Liu, ChaoX A <chaox.a.liu at intel.com>
> Subject: [PATCH V2 2/3] lavu/hwcontext_qsv: Add support for pix_fmt
> RGB32.
> 
> RGB32 format may be used as overlay with alpha blending.
> So add RGB32 format support.
> 
> Signed-off-by: ChaoX A Liu <chaox.a.liu at intel.com>
> Signed-off-by: Zhong Li <zhong.li at intel.com>
> ---
>  libavutil/hwcontext_qsv.c | 43
> +++++++++++++++++++++++++++++++++----------
>  1 file changed, 33 insertions(+), 10 deletions(-)
> 
> diff --git a/libavutil/hwcontext_qsv.c b/libavutil/hwcontext_qsv.c index
> 5018a05..0db446b 100644
> --- a/libavutil/hwcontext_qsv.c
> +++ b/libavutil/hwcontext_qsv.c
> @@ -90,6 +90,7 @@ static const struct {
>      uint32_t           fourcc;
>  } supported_pixel_formats[] = {
>      { AV_PIX_FMT_NV12, MFX_FOURCC_NV12 },
> +    { AV_PIX_FMT_RGB32,MFX_FOURCC_RGB4 },
>      { AV_PIX_FMT_P010, MFX_FOURCC_P010 },
>      { AV_PIX_FMT_PAL8, MFX_FOURCC_P8   },
>  };
> @@ -730,6 +731,36 @@ static int
> qsv_transfer_data_child(AVHWFramesContext *ctx, AVFrame *dst,
>      return ret;
>  }
> 
> +static int map_frame_to_surface(const AVFrame *frame,
> mfxFrameSurface1
> +*surface) {
> +    switch (frame->format) {
> +        case AV_PIX_FMT_NV12:
> +            surface->Data.Y  = frame->data[0];
> +            surface->Data.UV = frame->data[1];
> +            break;
> +
> +        case AV_PIX_FMT_YUV420P:
> +            surface->Data.Y = frame->data[0];
> +            surface->Data.U = frame->data[1];
> +            surface->Data.V = frame->data[2];
> +            break;
> +
> +        case AV_PIX_FMT_RGB32:
> +            surface->Data.B = frame->data[0];
> +            surface->Data.G = frame->data[0] + 1;
> +            surface->Data.R = frame->data[0] + 2;
> +            surface->Data.A = frame->data[0] + 3;
> +            break;
> +
> +        default:
> +            return MFX_ERR_UNSUPPORTED;
> +    }
> +    surface->Data.Pitch     = frame->linesize[0];
> +    surface->Data.TimeStamp = frame->pts;
> +
> +    return 0;
> +}
> +
>  static int qsv_transfer_data_from(AVHWFramesContext *ctx, AVFrame
> *dst,
>                                    const AVFrame *src)  { @@
> -749,11 +780,7 @@ static int qsv_transfer_data_from(AVHWFramesContext
> *ctx, AVFrame *dst,
>      }
> 
>      out.Info = in->Info;
> -    out.Data.PitchLow = dst->linesize[0];
> -    out.Data.Y        = dst->data[0];
> -    out.Data.U        = dst->data[1];
> -    out.Data.V        = dst->data[2];
> -    out.Data.A        = dst->data[3];
> +    map_frame_to_surface(dst, &out);
> 
>      do {
>          err = MFXVideoVPP_RunFrameVPPAsync(s->session_download, in,
> &out, NULL, &sync); @@ -796,11 +823,7 @@ static int
> qsv_transfer_data_to(AVHWFramesContext *ctx, AVFrame *dst,
>      }
> 
>      in.Info = out->Info;
> -    in.Data.PitchLow = src->linesize[0];
> -    in.Data.Y        = src->data[0];
> -    in.Data.U        = src->data[1];
> -    in.Data.V        = src->data[2];
> -    in.Data.A        = src->data[3];
> +    map_frame_to_surface(src, &in);
> 
>      do {
>          err = MFXVideoVPP_RunFrameVPPAsync(s->session_upload, &in,
> out, NULL, &sync);
> --
> 1.8.3.1



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