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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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b266aa5e65
Default CUDA memory allocation will cause implicit global synchronization. This stream ordered allocation can avoid it since memory allocation and free operations are asynchronous and executed in the associated cuda stream context Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/7427>
95 lines
3.1 KiB
C++
95 lines
3.1 KiB
C++
/* GStreamer
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* Copyright (C) 2022 Seungha Yang <seungha@centricular.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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#pragma once
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#include <gst/cuda/cuda-prelude.h>
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#include <gst/cuda/cuda-gst.h>
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#include <gst/cuda/gstcudacontext.h>
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#include <gst/cuda/gstcudastream.h>
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#include <gst/video/video.h>
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G_BEGIN_DECLS
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typedef enum
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{
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GST_CUDA_BUFFER_COPY_SYSTEM,
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GST_CUDA_BUFFER_COPY_CUDA,
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GST_CUDA_BUFFER_COPY_GL,
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GST_CUDA_BUFFER_COPY_D3D11,
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GST_CUDA_BUFFER_COPY_NVMM,
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} GstCudaBufferCopyType;
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GST_CUDA_API
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const gchar * gst_cuda_buffer_copy_type_to_string (GstCudaBufferCopyType type);
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GST_CUDA_API
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gboolean gst_cuda_buffer_copy (GstBuffer * dst,
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GstCudaBufferCopyType dst_type,
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const GstVideoInfo * dst_info,
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GstBuffer * src,
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GstCudaBufferCopyType src_type,
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const GstVideoInfo * src_info,
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GstCudaContext * context,
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GstCudaStream * stream);
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GST_CUDA_API
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void gst_cuda_memory_set_from_fixed_pool (GstMemory * mem);
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GST_CUDA_API
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gboolean gst_cuda_memory_is_from_fixed_pool (GstMemory * mem);
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GST_CUDA_API
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gboolean gst_cuda_memory_is_stream_ordered (GstMemory * mem);
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gpointer gst_cuda_get_win32_handle_metadata (void);
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G_END_DECLS
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#ifdef __cplusplus
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#include <mutex>
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#define GST_CUDA_CALL_ONCE_BEGIN \
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static std::once_flag __once_flag; \
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std::call_once (__once_flag, [&]()
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#define GST_CUDA_CALL_ONCE_END )
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/* cudaEGL.h */
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#if defined(HAVE_CUDA_NVMM_JETSON) && defined(HAVE_CUDA_GST_GL)
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#include <gst/gl/gstglconfig.h>
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#if GST_GL_HAVE_PLATFORM_EGL
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#include <cudaEGL.h>
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#include <gst/gl/egl/egl.h>
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GST_CUDA_API
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CUresult CUDAAPI CuGraphicsEGLRegisterImage (CUgraphicsResource *pCudaResource,
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EGLImageKHR image,
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unsigned int flags);
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GST_CUDA_API
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CUresult CUDAAPI CuGraphicsResourceGetMappedEglFrame(CUeglFrame* eglFrame,
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CUgraphicsResource resource,
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unsigned int index,
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unsigned int mipLevel);
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#endif /* HAVE_CUDA_GST_GL */
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#endif /* HAVE_CUDA_NVMM_JETSON */
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#endif /* __cplusplus */
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