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da075b94a9
Introduce GstCudaGraphicsResource structure to represent registered CUDA graphics resources and to enable sharing the information among nvdec and nvenc. This structure can reduce the number of resource registration which cause high overhead.
145 lines
4.6 KiB
C
145 lines
4.6 KiB
C
/* GStreamer
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* Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_CUDA_LOADER_H__
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#define __GST_CUDA_LOADER_H__
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#include <gst/gst.h>
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#include <cuda.h>
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G_BEGIN_DECLS
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G_GNUC_INTERNAL
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gboolean gst_cuda_load_library (void);
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/* cuda.h */
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G_GNUC_INTERNAL
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CUresult CuInit (unsigned int Flags);
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G_GNUC_INTERNAL
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CUresult CuGetErrorName (CUresult error,
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const char **pStr);
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G_GNUC_INTERNAL
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CUresult CuGetErrorString (CUresult error,
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const char **pStr);
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G_GNUC_INTERNAL
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CUresult CuCtxCreate (CUcontext * pctx,
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unsigned int flags,
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CUdevice dev);
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G_GNUC_INTERNAL
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CUresult CuCtxDestroy (CUcontext ctx);
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G_GNUC_INTERNAL
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CUresult CuCtxPopCurrent (CUcontext * pctx);
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G_GNUC_INTERNAL
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CUresult CuCtxPushCurrent (CUcontext ctx);
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G_GNUC_INTERNAL
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CUresult CuGraphicsMapResources (unsigned int count,
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CUgraphicsResource * resources,
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CUstream hStream);
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G_GNUC_INTERNAL
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CUresult CuGraphicsUnmapResources (unsigned int count,
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CUgraphicsResource * resources,
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CUstream hStream);
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G_GNUC_INTERNAL
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CUresult CuGraphicsSubResourceGetMappedArray (CUarray * pArray,
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CUgraphicsResource resource,
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unsigned int arrayIndex,
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unsigned int mipLevel);
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G_GNUC_INTERNAL
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CUresult CuGraphicsResourceGetMappedPointer (CUdeviceptr * pDevPtr,
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size_t * pSize,
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CUgraphicsResource resource);
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G_GNUC_INTERNAL
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CUresult CuGraphicsUnregisterResource (CUgraphicsResource resource);
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G_GNUC_INTERNAL
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CUresult CuMemAlloc (CUdeviceptr * dptr,
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unsigned int bytesize);
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G_GNUC_INTERNAL
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CUresult CuMemAllocPitch (CUdeviceptr * dptr,
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size_t * pPitch,
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size_t WidthInBytes,
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size_t Height,
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unsigned int ElementSizeBytes);
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G_GNUC_INTERNAL
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CUresult CuMemcpy2D (const CUDA_MEMCPY2D * pCopy);
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G_GNUC_INTERNAL
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CUresult CuMemcpy2DAsync (const CUDA_MEMCPY2D *pCopy, CUstream hStream);
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G_GNUC_INTERNAL
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CUresult CuMemFree (CUdeviceptr dptr);
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G_GNUC_INTERNAL
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CUresult CuStreamCreate (CUstream *phStream,
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unsigned int Flags);
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G_GNUC_INTERNAL
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CUresult CuStreamDestroy (CUstream hStream);
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G_GNUC_INTERNAL
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CUresult CuStreamSynchronize (CUstream hStream);
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G_GNUC_INTERNAL
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CUresult CuDeviceGet (CUdevice * device,
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int ordinal);
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G_GNUC_INTERNAL
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CUresult CuDeviceGetCount (int *count);
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G_GNUC_INTERNAL
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CUresult CuDeviceGetName (char *name,
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int len,
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CUdevice dev);
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G_GNUC_INTERNAL
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CUresult CuDeviceGetAttribute (int *pi,
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CUdevice_attribute attrib,
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CUdevice dev);
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/* cudaGL.h */
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G_GNUC_INTERNAL
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CUresult CuGraphicsGLRegisterImage (CUgraphicsResource * pCudaResource,
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unsigned int image,
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unsigned int target,
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unsigned int Flags);
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G_GNUC_INTERNAL
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CUresult CuGraphicsGLRegisterBuffer (CUgraphicsResource * pCudaResource,
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unsigned int buffer,
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unsigned int Flags);
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G_GNUC_INTERNAL
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CUresult CuGraphicsResourceSetMapFlags (CUgraphicsResource resource,
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unsigned int flags);
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G_END_DECLS
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#endif /* __GST_CUDA_LOADER_H__ */
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