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2f506e8ddc
Adding new memory pool allocator for virtual memory Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4510>
346 lines
10 KiB
C
346 lines
10 KiB
C
/* GStreamer
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* Copyright (C) <2018-2019> 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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#pragma once
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#include <gst/gst.h>
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#include <gst/gstallocator.h>
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#include <gst/video/video.h>
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#include <gst/cuda/cuda-prelude.h>
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#include <gst/cuda/gstcudacontext.h>
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#include <gst/cuda/gstcudastream.h>
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G_BEGIN_DECLS
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#define GST_TYPE_CUDA_ALLOCATOR (gst_cuda_allocator_get_type())
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#define GST_CUDA_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_CUDA_ALLOCATOR,GstCudaAllocator))
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#define GST_CUDA_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_CUDA_ALLOCATOR,GstCudaAllocatorClass))
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#define GST_CUDA_ALLOCATOR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GST_TYPE_CUDA_ALLOCATOR,GstCudaAllocatorClass))
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#define GST_IS_CUDA_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_CUDA_ALLOCATOR))
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#define GST_IS_CUDA_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_CUDA_ALLOCATOR))
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/**
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* GST_CUDA_ALLOCATOR_CAST:
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*
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* Since: 1.22
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*/
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#define GST_CUDA_ALLOCATOR_CAST(obj) ((GstCudaAllocator *)(obj))
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/**
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* GST_CUDA_MEMORY_CAST:
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*
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* Since: 1.22
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*/
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#define GST_CUDA_MEMORY_CAST(mem) ((GstCudaMemory *) (mem))
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#define GST_TYPE_CUDA_POOL_ALLOCATOR (gst_cuda_pool_allocator_get_type())
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#define GST_CUDA_POOL_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_CUDA_POOL_ALLOCATOR,GstCudaPoolAllocator))
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#define GST_CUDA_POOL_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_CUDA_POOL_ALLOCATOR,GstCudaPoolAllocatorClass))
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#define GST_CUDA_POOL_ALLOCATOR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GST_TYPE_CUDA_POOL_ALLOCATOR,GstCudaPoolAllocatorClass))
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#define GST_IS_CUDA_POOL_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_CUDA_POOL_ALLOCATOR))
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#define GST_IS_CUDA_POOL_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_CUDA_POOL_ALLOCATOR))
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typedef struct _GstCudaMemory GstCudaMemory;
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typedef struct _GstCudaMemoryPrivate GstCudaMemoryPrivate;
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typedef struct _GstCudaAllocator GstCudaAllocator;
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typedef struct _GstCudaAllocatorClass GstCudaAllocatorClass;
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typedef struct _GstCudaAllocatorPrivate GstCudaAllocatorPrivate;
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typedef struct _GstCudaPoolAllocator GstCudaPoolAllocator;
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typedef struct _GstCudaPoolAllocatorClass GstCudaPoolAllocatorClass;
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typedef struct _GstCudaPoolAllocatorPrivate GstCudaPoolAllocatorPrivate;
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/**
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* GST_MAP_CUDA:
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*
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* Flag indicating that we should map the CUDA device memory
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* instead of to system memory.
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*
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* Combining #GST_MAP_CUDA with #GST_MAP_WRITE has the same semantics as though
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* you are writing to CUDA device/host memory.
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* Conversely, combining #GST_MAP_CUDA with
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* #GST_MAP_READ has the same semantics as though you are reading from
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* CUDA device/host memory
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*
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* Since: 1.22
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*/
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#define GST_MAP_CUDA (GST_MAP_FLAG_LAST << 1)
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/**
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* GST_CUDA_MEMORY_TYPE_NAME:
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*
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* Name of cuda memory type
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*
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* Since: 1.22
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*/
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#define GST_CUDA_MEMORY_TYPE_NAME "gst.cuda.memory"
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/**
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* GST_CAPS_FEATURE_MEMORY_CUDA_MEMORY:
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*
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* Name of the caps feature for indicating the use of #GstCudaMemory
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*
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* Since: 1.22
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*/
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#define GST_CAPS_FEATURE_MEMORY_CUDA_MEMORY "memory:CUDAMemory"
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/**
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* GstCudaMemoryTransfer:
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*
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* CUDA memory transfer flags
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*/
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typedef enum
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{
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/**
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* GST_CUDA_MEMORY_TRANSFER_NEED_DOWNLOAD:
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*
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* the device memory needs downloading to the staging memory
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*
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* Since: 1.22
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*/
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GST_CUDA_MEMORY_TRANSFER_NEED_DOWNLOAD = (GST_MEMORY_FLAG_LAST << 0),
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/**
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* GST_CUDA_MEMORY_TRANSFER_NEED_UPLOAD:
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*
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* the staging memory needs uploading to the device memory
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*
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* Since: 1.22
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*/
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GST_CUDA_MEMORY_TRANSFER_NEED_UPLOAD = (GST_MEMORY_FLAG_LAST << 1),
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/**
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* GST_CUDA_MEMORY_TRANSFER_NEED_SYNC:
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*
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* the device memory needs synchronization
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*
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* Since: 1.24
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*/
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GST_CUDA_MEMORY_TRANSFER_NEED_SYNC = (GST_MEMORY_FLAG_LAST << 2),
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} GstCudaMemoryTransfer;
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/**
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* GstCudaMemoryAllocMethod:
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*
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* CUDA memory allocation method
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*
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* Since: 1.24
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*/
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typedef enum
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{
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/**
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* GST_CUDA_MEMORY_ALLOC_UNKNOWN:
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*
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* Since: 1.24
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*/
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GST_CUDA_MEMORY_ALLOC_UNKNOWN,
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/**
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* GST_CUDA_MEMORY_ALLOC_MALLOC:
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*
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* Memory allocated via cuMemAlloc or cuMemAllocPitch
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*
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* Since: 1.24
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*/
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GST_CUDA_MEMORY_ALLOC_MALLOC,
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/**
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* GST_CUDA_MEMORY_ALLOC_MMAP:
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*
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* Memory allocated via cuMemCreate and cuMemMap
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*
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* Since: 1.24
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*/
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GST_CUDA_MEMORY_ALLOC_MMAP,
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} GstCudaMemoryAllocMethod;
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#define GST_TYPE_CUDA_MEMORY_ALLOC_METHOD (gst_cuda_memory_alloc_method_get_type())
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GST_CUDA_API
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GType gst_cuda_memory_alloc_method_get_type (void);
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/**
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* GstCudaMemory:
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*
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* Since: 1.22
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*/
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struct _GstCudaMemory
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{
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GstMemory mem;
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/*< public >*/
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GstCudaContext *context;
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GstVideoInfo info;
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/*< private >*/
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GstCudaMemoryPrivate *priv;
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gpointer _gst_reserved[GST_PADDING];
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};
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GST_CUDA_API
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void gst_cuda_memory_init_once (void);
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GST_CUDA_API
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gboolean gst_is_cuda_memory (GstMemory * mem);
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GST_CUDA_API
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GstCudaStream * gst_cuda_memory_get_stream (GstCudaMemory * mem);
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GST_CUDA_API
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void gst_cuda_memory_sync (GstCudaMemory * mem);
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GST_CUDA_API
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gboolean gst_cuda_memory_get_texture (GstCudaMemory * mem,
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guint plane,
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CUfilter_mode filter_mode,
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CUtexObject * texture);
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GST_CUDA_API
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gpointer gst_cuda_memory_get_user_data (GstCudaMemory * mem);
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GST_CUDA_API
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void gst_cuda_memory_set_token_data (GstCudaMemory * mem,
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gint64 token,
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gpointer data,
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GDestroyNotify notify);
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GST_CUDA_API
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gpointer gst_cuda_memory_get_token_data (GstCudaMemory * mem,
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gint64 token);
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GST_CUDA_API
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GstCudaMemoryAllocMethod gst_cuda_memory_get_alloc_method (GstCudaMemory * mem);
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GST_CUDA_API
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gboolean gst_cuda_memory_export (GstCudaMemory * mem,
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gpointer os_handle);
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/**
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* GstCudaAllocator:
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*
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* A #GstAllocator subclass for cuda memory
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*
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* Since: 1.22
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*/
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struct _GstCudaAllocator
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{
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GstAllocator parent;
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/*< private >*/
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GstCudaAllocatorPrivate *priv;
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gpointer _gst_reserved[GST_PADDING];
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};
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struct _GstCudaAllocatorClass
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{
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GstAllocatorClass parent_class;
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/**
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* GstCudaAllocatorClass::set_active:
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* @allocator: a #GstCudaAllocator
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* @active: the new active state
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*
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* Since: 1.24
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*/
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gboolean (*set_active) (GstCudaAllocator * allocator,
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gboolean active);
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/*< private >*/
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gpointer _gst_reserved[GST_PADDING_LARGE];
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};
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GST_CUDA_API
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GType gst_cuda_allocator_get_type (void);
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GST_CUDA_API
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GstMemory * gst_cuda_allocator_alloc (GstCudaAllocator * allocator,
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GstCudaContext * context,
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GstCudaStream * stream,
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const GstVideoInfo * info);
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GST_CUDA_API
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gboolean gst_cuda_allocator_set_active (GstCudaAllocator * allocator,
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gboolean active);
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GST_CUDA_API
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GstMemory * gst_cuda_allocator_alloc_wrapped (GstCudaAllocator * allocator,
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GstCudaContext * context,
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GstCudaStream * stream,
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const GstVideoInfo * info,
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CUdeviceptr dev_ptr,
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gpointer user_data,
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GDestroyNotify notify);
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GST_CUDA_API
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GstMemory * gst_cuda_allocator_virtual_alloc (GstCudaAllocator * allocator,
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GstCudaContext * context,
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GstCudaStream * stream,
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const GstVideoInfo * info,
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const CUmemAllocationProp * prop,
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CUmemAllocationGranularity_flags granularity_flags);
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/**
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* GstCudaPoolAllocator:
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*
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* A #GstCudaAllocator subclass for cuda memory pool
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*
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* Since: 1.24
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*/
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struct _GstCudaPoolAllocator
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{
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GstCudaAllocator parent;
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GstCudaContext *context;
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GstCudaStream *stream;
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GstVideoInfo info;
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/*< private >*/
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GstCudaPoolAllocatorPrivate *priv;
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gpointer _gst_reserved[GST_PADDING];
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};
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struct _GstCudaPoolAllocatorClass
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{
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GstCudaAllocatorClass parent_class;
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/*< private >*/
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gpointer _gst_reserved[GST_PADDING];
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};
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GST_CUDA_API
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GType gst_cuda_pool_allocator_get_type (void);
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GST_CUDA_API
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GstCudaPoolAllocator * gst_cuda_pool_allocator_new (GstCudaContext * context,
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GstCudaStream * stream,
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const GstVideoInfo * info);
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GST_CUDA_API
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GstCudaPoolAllocator * gst_cuda_pool_allocator_new_for_virtual_memory (GstCudaContext * context,
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GstCudaStream * stream,
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const GstVideoInfo * info,
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const CUmemAllocationProp * prop,
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CUmemAllocationGranularity_flags granularity_flags);
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GST_CUDA_API
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GstFlowReturn gst_cuda_pool_allocator_acquire_memory (GstCudaPoolAllocator * allocator,
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GstMemory ** memory);
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G_END_DECLS
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