On Mon, 2021-12-27 at 03:13 +0000, Chen, Wenbin wrote:
> > On Fri, 2021-12-10 at 13:38 +0800, Wenbin Chen wrote:
> > > From: nyanmisaka <nst799610...@gmail.com>
> > >
> > > mfxHDLPair was added to qsv, so modify qsv->opencl map function as well.
> > > Now the following commandline works:
> > >
> > > ffmpeg -v verbose -init_hw_device vaapi=va:/dev/dri/renderD128 \
> > > -init_hw_device qsv=qs@va -init_hw_device opencl=ocl@va -
> >
> > filter_hw_device ocl
> > > \
> > > -hwaccel qsv -hwaccel_output_format qsv -hwaccel_device qs -c:v
> >
> > h264_qsv \
> > > -i input.264 -vf
> >
> > "hwmap=derive_device=opencl,format=opencl,avgblur_opencl, \
> > > hwmap=derive_device=qsv:reverse=1:extra_hw_frames=32,format=qsv" \
> > > -c:v h264_qsv output.264
> > >
> > > Signed-off-by: nyanmisaka <nst799610...@gmail.com>
> > > Signed-off-by: Wenbin Chen <wenbin.c...@intel.com>
> > > ---
> > > libavutil/hwcontext_opencl.c | 3 ++-
> > > libavutil/hwcontext_qsv.h | 5 +++++
> > > 2 files changed, 7 insertions(+), 1 deletion(-)
> > >
> > > diff --git a/libavutil/hwcontext_opencl.c b/libavutil/hwcontext_opencl.c
> > > index 26a3a24593..ab812999cd 100644
> > > --- a/libavutil/hwcontext_opencl.c
> > > +++ b/libavutil/hwcontext_opencl.c
> > > @@ -48,6 +48,7 @@
> > > #if HAVE_OPENCL_VAAPI_INTEL_MEDIA
> > > #if CONFIG_LIBMFX
> > > #include <mfx/mfxstructures.h>
> > > +#include "hwcontext_qsv.h"
> > > #endif
> > > #include <va/va.h>
> > > #include <CL/cl_va_api_media_sharing_intel.h>
> > > @@ -2249,7 +2250,7 @@ static int
> >
> > opencl_map_from_qsv(AVHWFramesContext
> > > *dst_fc, AVFrame *dst,
> > > #if CONFIG_LIBMFX
> > > if (src->format == AV_PIX_FMT_QSV) {
> > > mfxFrameSurface1 *mfx_surface = (mfxFrameSurface1*)src->data[3];
> > > - va_surface = *(VASurfaceID*)mfx_surface->Data.MemId;
> > > + va_surface = *MFXSURFACEP_TO_VASURFACEP(mfx_surface);
> > > } else
> > > #endif
> > > if (src->format == AV_PIX_FMT_VAAPI) {
> > > diff --git a/libavutil/hwcontext_qsv.h b/libavutil/hwcontext_qsv.h
> > > index b98d611cfc..957df01ef1 100644
> > > --- a/libavutil/hwcontext_qsv.h
> > > +++ b/libavutil/hwcontext_qsv.h
> > > @@ -29,6 +29,11 @@
> > > * contain AVBufferRefs whose data pointer points to an
> >
> > mfxFrameSurface1
> > > struct.
> > > */
> > >
> > > +#if CONFIG_VAAPI
> > > +#define MFXSURFACEP_TO_VASURFACEP(surf) \
> > > + (VASurfaceID*)(((mfxHDLPair*)surf->Data.MemId)->first)
> > > +#endif
> > > +
> >
> > Is it possible to remove the dependency on VAAPI in a public qsv header file
> > ?
> >
> > Thanks
> > Haihao
>
> How about moving this to qsv_internal.h?
>
There is no qsv_internal.h in libavutils. I think we may provide a function
using ff_ as prefix to get the internal vaapi/dxva2/d3d11va handle, user may
call this function and cast the returned handle to the right type in other
hwcontext. If so, we needn't add the dependency on VAAPI in this public header
file.
Thanks
Haihao
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