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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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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.
383 lines
11 KiB
C
383 lines
11 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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstcudaloader.h"
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#include <gmodule.h>
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#ifndef G_OS_WIN32
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#define CUDA_LIBNAME "libcuda.so.1"
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#else
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#define CUDA_LIBNAME "nvcuda.dll"
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#endif
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#define LOAD_SYMBOL(name,func) G_STMT_START { \
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if (!g_module_symbol (module, G_STRINGIFY (name), (gpointer *) &vtable->func)) { \
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GST_ERROR ("Failed to load '%s' from %s, %s", G_STRINGIFY (name), filename, g_module_error()); \
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goto error; \
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} \
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} G_STMT_END;
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typedef struct _GstNvCodecCudaVTable
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{
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gboolean loaded;
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CUresult (*CuInit) (unsigned int Flags);
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CUresult (*CuGetErrorName) (CUresult error, const char **pStr);
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CUresult (*CuGetErrorString) (CUresult error, const char **pStr);
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CUresult (*CuCtxCreate) (CUcontext * pctx, unsigned int flags,
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CUdevice dev);
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CUresult (*CuCtxDestroy) (CUcontext ctx);
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CUresult (*CuCtxPopCurrent) (CUcontext * pctx);
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CUresult (*CuCtxPushCurrent) (CUcontext ctx);
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CUresult (*CuGraphicsMapResources) (unsigned int count,
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CUgraphicsResource * resources, CUstream hStream);
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CUresult (*CuGraphicsUnmapResources) (unsigned int count,
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CUgraphicsResource * resources, CUstream hStream);
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CUresult (*CuGraphicsSubResourceGetMappedArray) (CUarray * pArray,
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CUgraphicsResource resource, unsigned int arrayIndex,
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unsigned int mipLevel);
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CUresult (*CuGraphicsResourceGetMappedPointer) (CUdeviceptr * pDevPtr,
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size_t * pSize, CUgraphicsResource resource);
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CUresult (*CuGraphicsUnregisterResource) (CUgraphicsResource resource);
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CUresult (*CuMemAlloc) (CUdeviceptr * dptr, unsigned int bytesize);
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CUresult (*CuMemAllocPitch) (CUdeviceptr * dptr, size_t * pPitch,
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size_t WidthInBytes, size_t Height, unsigned int ElementSizeBytes);
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CUresult (*CuMemcpy2D) (const CUDA_MEMCPY2D * pCopy);
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CUresult (*CuMemcpy2DAsync) (const CUDA_MEMCPY2D * pCopy, CUstream hStream);
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CUresult (*CuMemFree) (CUdeviceptr dptr);
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CUresult (*CuStreamCreate) (CUstream * phStream, unsigned int Flags);
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CUresult (*CuStreamDestroy) (CUstream hStream);
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CUresult (*CuStreamSynchronize) (CUstream hStream);
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CUresult (*CuDeviceGet) (CUdevice * device, int ordinal);
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CUresult (*CuDeviceGetCount) (int *count);
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CUresult (*CuDeviceGetName) (char *name, int len, CUdevice dev);
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CUresult (*CuDeviceGetAttribute) (int *pi, CUdevice_attribute attrib,
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CUdevice dev);
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CUresult (*CuGraphicsGLRegisterImage) (CUgraphicsResource * pCudaResource,
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unsigned int image, unsigned int target, unsigned int Flags);
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CUresult (*CuGraphicsGLRegisterBuffer) (CUgraphicsResource * pCudaResource,
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unsigned int buffer, unsigned int Flags);
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CUresult (*CuGraphicsResourceSetMapFlags) (CUgraphicsResource resource,
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unsigned int flags);
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} GstNvCodecCudaVTable;
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static GstNvCodecCudaVTable gst_cuda_vtable = { 0, };
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gboolean
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gst_cuda_load_library (void)
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{
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GModule *module;
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const gchar *filename = CUDA_LIBNAME;
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GstNvCodecCudaVTable *vtable;
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if (gst_cuda_vtable.loaded)
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return TRUE;
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module = g_module_open (filename, G_MODULE_BIND_LAZY);
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if (module == NULL) {
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GST_WARNING ("Could not open library %s, %s", filename, g_module_error ());
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return FALSE;
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}
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vtable = &gst_cuda_vtable;
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/* cuda.h */
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LOAD_SYMBOL (cuInit, CuInit);
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LOAD_SYMBOL (cuGetErrorName, CuGetErrorName);
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LOAD_SYMBOL (cuGetErrorString, CuGetErrorString);
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LOAD_SYMBOL (cuCtxCreate, CuCtxCreate);
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LOAD_SYMBOL (cuCtxDestroy, CuCtxDestroy);
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LOAD_SYMBOL (cuCtxPopCurrent, CuCtxPopCurrent);
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LOAD_SYMBOL (cuCtxPushCurrent, CuCtxPushCurrent);
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LOAD_SYMBOL (cuGraphicsMapResources, CuGraphicsMapResources);
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LOAD_SYMBOL (cuGraphicsUnmapResources, CuGraphicsUnmapResources);
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LOAD_SYMBOL (cuGraphicsSubResourceGetMappedArray,
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CuGraphicsSubResourceGetMappedArray);
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LOAD_SYMBOL (cuGraphicsResourceGetMappedPointer,
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CuGraphicsResourceGetMappedPointer);
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LOAD_SYMBOL (cuGraphicsUnregisterResource, CuGraphicsUnregisterResource);
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LOAD_SYMBOL (cuMemAlloc, CuMemAlloc);
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LOAD_SYMBOL (cuMemAllocPitch, CuMemAllocPitch);
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LOAD_SYMBOL (cuMemcpy2D, CuMemcpy2D);
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LOAD_SYMBOL (cuMemcpy2DAsync, CuMemcpy2DAsync);
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LOAD_SYMBOL (cuMemFree, CuMemFree);
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LOAD_SYMBOL (cuStreamCreate, CuStreamCreate);
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LOAD_SYMBOL (cuStreamDestroy, CuStreamDestroy);
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LOAD_SYMBOL (cuStreamSynchronize, CuStreamSynchronize);
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LOAD_SYMBOL (cuDeviceGet, CuDeviceGet);
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LOAD_SYMBOL (cuDeviceGetCount, CuDeviceGetCount);
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LOAD_SYMBOL (cuDeviceGetName, CuDeviceGetName);
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LOAD_SYMBOL (cuDeviceGetAttribute, CuDeviceGetAttribute);
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/* cudaGL.h */
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LOAD_SYMBOL (cuGraphicsGLRegisterImage, CuGraphicsGLRegisterImage);
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LOAD_SYMBOL (cuGraphicsGLRegisterBuffer, CuGraphicsGLRegisterBuffer);
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LOAD_SYMBOL (cuGraphicsResourceSetMapFlags, CuGraphicsResourceSetMapFlags);
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vtable->loaded = TRUE;
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return TRUE;
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error:
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g_module_close (module);
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return FALSE;
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}
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CUresult
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CuInit (unsigned int Flags)
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{
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g_assert (gst_cuda_vtable.CuInit != NULL);
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return gst_cuda_vtable.CuInit (Flags);
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}
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CUresult
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CuGetErrorName (CUresult error, const char **pStr)
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{
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g_assert (gst_cuda_vtable.CuGetErrorName != NULL);
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return gst_cuda_vtable.CuGetErrorName (error, pStr);
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}
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CUresult
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CuGetErrorString (CUresult error, const char **pStr)
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{
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g_assert (gst_cuda_vtable.CuGetErrorString != NULL);
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return gst_cuda_vtable.CuGetErrorString (error, pStr);
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}
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CUresult
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CuCtxCreate (CUcontext * pctx, unsigned int flags, CUdevice dev)
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{
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g_assert (gst_cuda_vtable.CuCtxCreate != NULL);
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return gst_cuda_vtable.CuCtxCreate (pctx, flags, dev);
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}
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CUresult
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CuCtxDestroy (CUcontext ctx)
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{
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g_assert (gst_cuda_vtable.CuCtxDestroy != NULL);
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return gst_cuda_vtable.CuCtxDestroy (ctx);
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}
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CUresult
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CuCtxPopCurrent (CUcontext * pctx)
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{
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g_assert (gst_cuda_vtable.CuCtxPopCurrent != NULL);
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return gst_cuda_vtable.CuCtxPopCurrent (pctx);
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}
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CUresult
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CuCtxPushCurrent (CUcontext ctx)
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{
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g_assert (gst_cuda_vtable.CuCtxPushCurrent != NULL);
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return gst_cuda_vtable.CuCtxPushCurrent (ctx);
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}
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CUresult
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CuGraphicsMapResources (unsigned int count, CUgraphicsResource * resources,
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CUstream hStream)
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{
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g_assert (gst_cuda_vtable.CuGraphicsMapResources != NULL);
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return gst_cuda_vtable.CuGraphicsMapResources (count, resources, hStream);
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}
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CUresult
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CuGraphicsUnmapResources (unsigned int count, CUgraphicsResource * resources,
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CUstream hStream)
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{
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g_assert (gst_cuda_vtable.CuGraphicsUnmapResources != NULL);
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return gst_cuda_vtable.CuGraphicsUnmapResources (count, resources, hStream);
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}
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CUresult
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CuGraphicsSubResourceGetMappedArray (CUarray * pArray,
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CUgraphicsResource resource, unsigned int arrayIndex, unsigned int mipLevel)
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{
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g_assert (gst_cuda_vtable.CuGraphicsSubResourceGetMappedArray != NULL);
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return gst_cuda_vtable.CuGraphicsSubResourceGetMappedArray (pArray, resource,
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arrayIndex, mipLevel);
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}
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CUresult
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CuGraphicsResourceGetMappedPointer (CUdeviceptr * pDevPtr, size_t * pSize,
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CUgraphicsResource resource)
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{
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g_assert (gst_cuda_vtable.CuGraphicsResourceGetMappedPointer != NULL);
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return gst_cuda_vtable.CuGraphicsResourceGetMappedPointer (pDevPtr, pSize,
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resource);
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}
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CUresult
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CuGraphicsUnregisterResource (CUgraphicsResource resource)
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{
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g_assert (gst_cuda_vtable.CuGraphicsUnregisterResource != NULL);
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return gst_cuda_vtable.CuGraphicsUnregisterResource (resource);
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}
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CUresult
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CuMemAlloc (CUdeviceptr * dptr, unsigned int bytesize)
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{
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g_assert (gst_cuda_vtable.CuMemAlloc != NULL);
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return gst_cuda_vtable.CuMemAlloc (dptr, bytesize);
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}
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CUresult
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CuMemAllocPitch (CUdeviceptr * dptr, size_t * pPitch, size_t WidthInBytes,
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size_t Height, unsigned int ElementSizeBytes)
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{
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g_assert (gst_cuda_vtable.CuMemAllocPitch != NULL);
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return gst_cuda_vtable.CuMemAllocPitch (dptr, pPitch, WidthInBytes, Height,
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ElementSizeBytes);
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}
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CUresult
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CuMemcpy2D (const CUDA_MEMCPY2D * pCopy)
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{
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g_assert (gst_cuda_vtable.CuMemcpy2D != NULL);
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return gst_cuda_vtable.CuMemcpy2D (pCopy);
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}
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CUresult
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CuMemcpy2DAsync (const CUDA_MEMCPY2D * pCopy, CUstream hStream)
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{
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g_assert (gst_cuda_vtable.CuMemcpy2DAsync != NULL);
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return gst_cuda_vtable.CuMemcpy2DAsync (pCopy, hStream);
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}
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CUresult
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CuMemFree (CUdeviceptr dptr)
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{
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g_assert (gst_cuda_vtable.CuMemFree != NULL);
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return gst_cuda_vtable.CuMemFree (dptr);
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}
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CUresult
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CuStreamCreate (CUstream * phStream, unsigned int Flags)
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{
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g_assert (gst_cuda_vtable.CuStreamCreate != NULL);
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return gst_cuda_vtable.CuStreamCreate (phStream, Flags);
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}
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CUresult
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CuStreamDestroy (CUstream hStream)
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{
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g_assert (gst_cuda_vtable.CuStreamDestroy != NULL);
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return gst_cuda_vtable.CuStreamDestroy (hStream);
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}
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CUresult
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CuStreamSynchronize (CUstream hStream)
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{
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g_assert (gst_cuda_vtable.CuStreamSynchronize != NULL);
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return gst_cuda_vtable.CuStreamSynchronize (hStream);
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}
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CUresult
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CuDeviceGet (CUdevice * device, int ordinal)
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{
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g_assert (gst_cuda_vtable.CuDeviceGet != NULL);
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return gst_cuda_vtable.CuDeviceGet (device, ordinal);
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}
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CUresult
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CuDeviceGetCount (int *count)
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{
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g_assert (gst_cuda_vtable.CuDeviceGetCount != NULL);
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return gst_cuda_vtable.CuDeviceGetCount (count);
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}
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CUresult
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CuDeviceGetName (char *name, int len, CUdevice dev)
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{
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g_assert (gst_cuda_vtable.CuDeviceGetName != NULL);
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return gst_cuda_vtable.CuDeviceGetName (name, len, dev);
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}
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CUresult
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CuDeviceGetAttribute (int *pi, CUdevice_attribute attrib, CUdevice dev)
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{
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g_assert (gst_cuda_vtable.CuDeviceGetAttribute != NULL);
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return gst_cuda_vtable.CuDeviceGetAttribute (pi, attrib, dev);
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}
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/* cudaGL.h */
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CUresult
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CuGraphicsGLRegisterImage (CUgraphicsResource * pCudaResource,
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unsigned int image, unsigned int target, unsigned int Flags)
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{
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g_assert (gst_cuda_vtable.CuGraphicsGLRegisterImage != NULL);
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return gst_cuda_vtable.CuGraphicsGLRegisterImage (pCudaResource, image,
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target, Flags);
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}
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CUresult
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CuGraphicsGLRegisterBuffer (CUgraphicsResource * pCudaResource,
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unsigned int buffer, unsigned int Flags)
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{
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g_assert (gst_cuda_vtable.CuGraphicsGLRegisterBuffer != NULL);
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return gst_cuda_vtable.CuGraphicsGLRegisterBuffer (pCudaResource, buffer,
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Flags);
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}
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CUresult
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CuGraphicsResourceSetMapFlags (CUgraphicsResource resource, unsigned int flags)
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{
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g_assert (gst_cuda_vtable.CuGraphicsResourceSetMapFlags != NULL);
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return gst_cuda_vtable.CuGraphicsResourceSetMapFlags (resource, flags);
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}
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