[FFmpeg-devel] [PATCH 2/2] Add VDPAU to list of supported formats

Philip Langdale philipl at overt.org
Thu Jun 25 19:21:54 EEST 2020


On Thu, 25 Jun 2020 16:53:02 +0530
ManojGuptaBonda <mbonda at nvidia.com> wrote:

> Added VDPAU to list of supported formats for HEVC10 and 12 bit formats
> also added 42010 bit to surface_parameters and new VDP chroma formats
> to VDPAUPixFmtMaps
> 
> Add HEVC 420 10/12 Bit  and 444 10/12 Bit support for VDPAU
> 
> 
> YUV444P10 is defined as the 444 surface with 10bit valid data in LSBs
> but H/w returns Data in MSBs Hence if we map output as YUV444p16 it
> is filtering out the LSB to convert to p10 format.
> ---
>  libavcodec/hevcdec.c        |  6 ++++++
>  libavcodec/vdpau.c          |  4 ++++
>  libavutil/hwcontext_vdpau.c | 13 +++++++++++--
>  3 files changed, 21 insertions(+), 2 deletions(-)
> 
> diff --git a/libavcodec/hevcdec.c b/libavcodec/hevcdec.c
> index c9e28f5826..e576cce5de 100644
> --- a/libavcodec/hevcdec.c
> +++ b/libavcodec/hevcdec.c
> @@ -414,6 +414,9 @@ static enum AVPixelFormat get_format(HEVCContext
> *s, const HEVCSPS *sps) #if CONFIG_HEVC_VIDEOTOOLBOX_HWACCEL
>          *fmt++ = AV_PIX_FMT_VIDEOTOOLBOX;
>  #endif
> +#if CONFIG_HEVC_VDPAU_HWACCEL
> +        *fmt++ = AV_PIX_FMT_VDPAU;
> +#endif
>  #if CONFIG_HEVC_NVDEC_HWACCEL
>          *fmt++ = AV_PIX_FMT_CUDA;
>  #endif
> @@ -435,6 +438,9 @@ static enum AVPixelFormat get_format(HEVCContext
> *s, const HEVCSPS *sps) case AV_PIX_FMT_YUV420P12:
>      case AV_PIX_FMT_YUV444P10:
>      case AV_PIX_FMT_YUV444P12:
> +#if CONFIG_HEVC_VDPAU_HWACCEL
> +        *fmt++ = AV_PIX_FMT_VDPAU;
> +#endif
>  #if CONFIG_HEVC_NVDEC_HWACCEL
>          *fmt++ = AV_PIX_FMT_CUDA;
>  #endif
> diff --git a/libavcodec/vdpau.c b/libavcodec/vdpau.c
> index 167f06d7ae..fa10905c75 100644
> --- a/libavcodec/vdpau.c
> +++ b/libavcodec/vdpau.c
> @@ -83,6 +83,8 @@ int av_vdpau_get_surface_parameters(AVCodecContext
> *avctx, switch (avctx->sw_pix_fmt) {
>      case AV_PIX_FMT_YUV420P:
>      case AV_PIX_FMT_YUVJ420P:
> +    case AV_PIX_FMT_YUV420P10:
> +    case AV_PIX_FMT_YUV420P12:
>          t = VDP_CHROMA_TYPE_420;
>          w = (w + 1) & ~1;
>          h = (h + 3) & ~3;
> @@ -95,6 +97,8 @@ int av_vdpau_get_surface_parameters(AVCodecContext
> *avctx, break;
>      case AV_PIX_FMT_YUV444P:
>      case AV_PIX_FMT_YUVJ444P:
> +    case AV_PIX_FMT_YUV444P10:
> +    case AV_PIX_FMT_YUV444P12:
>          t = VDP_CHROMA_TYPE_444;
>          h = (h + 1) & ~1;
>          break;
> diff --git a/libavutil/hwcontext_vdpau.c b/libavutil/hwcontext_vdpau.c
> index 6b8c1d5f76..6061476094 100644
> --- a/libavutil/hwcontext_vdpau.c
> +++ b/libavutil/hwcontext_vdpau.c
> @@ -39,8 +39,8 @@ typedef struct VDPAUDeviceContext {
>      VdpVideoSurfaceCreate                           *surf_create;
>      VdpVideoSurfaceDestroy                          *surf_destroy;
>  
> -    enum AVPixelFormat *pix_fmts[3];
> -    int              nb_pix_fmts[3];
> +    enum AVPixelFormat *pix_fmts[8];
> +    int              nb_pix_fmts[8];
>  } VDPAUDeviceContext;
>  
>  typedef struct VDPAUFramesContext {
> @@ -61,6 +61,8 @@ typedef struct VDPAUPixFmtMap {
>  static const VDPAUPixFmtMap pix_fmts_420[] = {
>      { VDP_YCBCR_FORMAT_NV12, AV_PIX_FMT_NV12    },
>      { VDP_YCBCR_FORMAT_YV12, AV_PIX_FMT_YUV420P },
> +    { VDP_YCBCR_FORMAT_P016, AV_PIX_FMT_P016    },
> +    { VDP_YCBCR_FORMAT_P010, AV_PIX_FMT_P010    },
>      { 0,                     AV_PIX_FMT_NONE,   },
>  };
>  
> @@ -75,6 +77,7 @@ static const VDPAUPixFmtMap pix_fmts_422[] = {
>  static const VDPAUPixFmtMap pix_fmts_444[] = {
>  #ifdef VDP_YCBCR_FORMAT_Y_U_V_444
>      { VDP_YCBCR_FORMAT_Y_U_V_444, AV_PIX_FMT_YUV444P },
> +    {VDP_YCBCR_FORMAT_Y_U_V_444_16, AV_PIX_FMT_YUV444P16},
>  #endif
>      { 0,                          AV_PIX_FMT_NONE,   },
>  };
> @@ -87,6 +90,11 @@ static const struct {
>      { VDP_CHROMA_TYPE_420, AV_PIX_FMT_YUV420P, pix_fmts_420 },
>      { VDP_CHROMA_TYPE_422, AV_PIX_FMT_YUV422P, pix_fmts_422 },
>      { VDP_CHROMA_TYPE_444, AV_PIX_FMT_YUV444P, pix_fmts_444 },
> +    { VDP_CHROMA_TYPE_420_16, AV_PIX_FMT_YUV420P10, pix_fmts_420 },
> +    { VDP_CHROMA_TYPE_420_16, AV_PIX_FMT_YUV420P12, pix_fmts_420 },
> +    { VDP_CHROMA_TYPE_422_16, AV_PIX_FMT_YUV422P, pix_fmts_422 },

Is this right? That's the 8bit ffmpeg format.

> +    { VDP_CHROMA_TYPE_444_16, AV_PIX_FMT_YUV444P10, pix_fmts_444 },
> +    { VDP_CHROMA_TYPE_444_16, AV_PIX_FMT_YUV444P12, pix_fmts_444 },
>  };
>  
>  static int count_pixfmts(const VDPAUPixFmtMap *map)
> @@ -354,6 +362,7 @@ static int
> vdpau_transfer_data_from(AVHWFramesContext *ctx, AVFrame *dst, if
> ((vdpau_format == VDP_YCBCR_FORMAT_YV12) #ifdef
> VDP_YCBCR_FORMAT_Y_U_V_444 || (vdpau_format ==
> VDP_YCBCR_FORMAT_Y_U_V_444)
> +            || (vdpau_format == VDP_YCBCR_FORMAT_Y_U_V_444_16)
>  #endif
>              )
>          FFSWAP(void*, data[1], data[2]);




--phil


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