Re: [FFmpeg-devel] [PATCH v2 01/12] lavu/hwcontext_qsv: update AVQSVFramesContext to support dynamic frame pools

["Xiang, Haihao" <haihao.xiang-at-intel.com@ffmpeg.org>]

On Wo, 2023-12-20 at 15:10 +0800, Xiang, Haihao wrote:
> From: Haihao Xiang <haihao.xiang@intel.com>
> 
> Add AVQSVFramesContext.info and update the description
> 
> Signed-off-by: Haihao Xiang <haihao.xiang@intel.com>
> ---
> Rebased https://patchwork.ffmpeg.org/project/ffmpeg/list/?series=9639
> against the latest master with a few changes.
> 
>  doc/APIchanges            |  3 +++
>  libavutil/hwcontext_qsv.c |  4 ++--
>  libavutil/hwcontext_qsv.h | 31 +++++++++++++++++++++++++++----
>  libavutil/version.h       |  2 +-
>  4 files changed, 33 insertions(+), 7 deletions(-)
> 
> diff --git a/doc/APIchanges b/doc/APIchanges
> index a3e4ebbccd..b68156ee94 100644
> --- a/doc/APIchanges
> +++ b/doc/APIchanges
> @@ -2,6 +2,9 @@ The last version increases of all libraries were on 2023-02-09
>  
>  API changes, most recent first:
>  
> +2023-12-xx - xxxxxxxxxx  - lavu 58.36.100 - hwcontext_qsv.h
> +  Add AVQSVFramesContext.info
> +
>  2023-12-18 - 74279227dd2 - lavc 60.36.100 - packet.h
>    Add AV_PKT_DATA_IAMF_MIX_GAIN_PARAM, AV_PKT_DATA_IAMF_DEMIXING_INFO_PARAM
>    and AV_PKT_DATA_IAMF_RECON_GAIN_INFO_PARAM.
> diff --git a/libavutil/hwcontext_qsv.c b/libavutil/hwcontext_qsv.c
> index a67552b5ac..071489f070 100644
> --- a/libavutil/hwcontext_qsv.c
> +++ b/libavutil/hwcontext_qsv.c
> @@ -613,7 +613,7 @@ static mfxStatus frame_alloc(mfxHDL pthis,
> mfxFrameAllocRequest *req,
>      QSVFramesContext       *s = ctx->internal->priv;
>      AVQSVFramesContext *hwctx = ctx->hwctx;
>      mfxFrameInfo *i  = &req->Info;
> -    mfxFrameInfo *i1 = &hwctx->surfaces[0].Info;
> +    mfxFrameInfo *i1 = hwctx->nb_surfaces ? &hwctx->surfaces[0].Info : hwctx-
> >info;
>  
>      if (!(req->Type & MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET) ||
>          !(req->Type & (MFX_MEMTYPE_FROM_VPPIN | MFX_MEMTYPE_FROM_VPPOUT)) ||
> @@ -1173,7 +1173,7 @@ static int qsv_init_internal_session(AVHWFramesContext
> *ctx,
>                                MFX_IOPATTERN_OUT_SYSTEM_MEMORY;
>      par.AsyncDepth = 1;
>  
> -    par.vpp.In = frames_hwctx->surfaces[0].Info;
> +    par.vpp.In = frames_hwctx->nb_surfaces ? frames_hwctx->surfaces[0].Info :
> *frames_hwctx->info;
>  
>      /* Apparently VPP requires the frame rate to be set to some value,
> otherwise
>       * init will fail (probably for the framerate conversion filter). Since
> we
> diff --git a/libavutil/hwcontext_qsv.h b/libavutil/hwcontext_qsv.h
> index e2dba8ad83..5950e38500 100644
> --- a/libavutil/hwcontext_qsv.h
> +++ b/libavutil/hwcontext_qsv.h
> @@ -25,8 +25,8 @@
>   * @file
>   * An API-specific header for AV_HWDEVICE_TYPE_QSV.
>   *
> - * This API does not support dynamic frame pools. AVHWFramesContext.pool must
> - * contain AVBufferRefs whose data pointer points to an mfxFrameSurface1
> struct.
> + * AVHWFramesContext.pool must contain AVBufferRefs whose data pointer points
> + * to a mfxFrameSurface1 struct.
>   */
>  
>  /**
> @@ -51,11 +51,34 @@ typedef struct AVQSVDeviceContext {
>   * This struct is allocated as AVHWFramesContext.hwctx
>   */
>  typedef struct AVQSVFramesContext {
> -    mfxFrameSurface1 *surfaces;
> +    /**
> +     * A pointer to a mfxFrameSurface1 or mfxFrameInfo struct
> +     *
> +     * When nb_surfaces is non-zero, it is a pointer to a mfxFrameSurface1
> +     * struct.
> +     *
> +     * When nb_surfaces is 0, it is a pointer to a mfxFrameInfo struct, all
> +     * buffers allocated from the pool have the same mfxFrameInfo.
> +     */
> +    union {
> +        mfxFrameSurface1 *surfaces;
> +        mfxFrameInfo     *info;
> +    };
> +
> +    /**
> +     * Number of frames in the pool
> +     *
> +     * It is 0 for dynamic frame pools or AVHWFramesContext.initial_pool_size
> +     * for fixed frame pools.
> +     *
> +     * Note only oneVPL GPU runtime 2.9+ can support dynamic frame pools
> +     * on d3d11va or vaapi
> +     */
>      int            nb_surfaces;
>  
>      /**
> -     * A combination of MFX_MEMTYPE_* describing the frame pool.
> +     * Set by user. It is a combination of MFX_MEMTYPE_* describing the frame
> +     * pool.
>       */
>      int frame_type;
>  } AVQSVFramesContext;
> diff --git a/libavutil/version.h b/libavutil/version.h
> index 7664cd97bd..3b4c50e9a9 100644
> --- a/libavutil/version.h
> +++ b/libavutil/version.h
> @@ -79,7 +79,7 @@
>   */
>  
>  #define LIBAVUTIL_VERSION_MAJOR  58
> -#define LIBAVUTIL_VERSION_MINOR  35
> +#define LIBAVUTIL_VERSION_MINOR  36
>  #define LIBAVUTIL_VERSION_MICRO 100
>  
>  #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \

Hi,

Any comment for this patchset ?

Thanks
Haihao

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