gstreamer/subprojects/gst-plugins-bad/gst-libs/gst/cuda/gstcudautils.h

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/* GStreamer
* Copyright (C) <2018-2019> Seungha Yang <seungha.yang@navercorp.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#pragma once
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/cuda/cuda-prelude.h>
#include <gst/cuda/cuda-gst.h>
#include <gst/cuda/gstcudacontext.h>
G_BEGIN_DECLS
GST_CUDA_API
gboolean _gst_cuda_debug (CUresult result,
GstDebugCategory * cat,
const gchar * file,
const gchar * function,
gint line);
#ifndef GST_DISABLE_GST_DEBUG
/**
* gst_cuda_result:
* @result: CUDA device API return code `CUresult`
*
* Returns: %TRUE if CUDA device API call result is CUDA_SUCCESS
*
* Since: 1.22
*/
#define gst_cuda_result(result) \
_gst_cuda_debug(result, GST_CAT_DEFAULT, __FILE__, GST_FUNCTION, __LINE__)
#else
#define gst_cuda_result(result) \
_gst_cuda_debug(result, NULL, __FILE__, GST_FUNCTION, __LINE__)
#endif /* GST_DISABLE_GST_DEBUG */
/**
* GstCudaQuarkId:
*
* Since: 1.22
*/
typedef enum
{
GST_CUDA_QUARK_GRAPHICS_RESOURCE = 0,
/* end of quark list */
GST_CUDA_QUARK_MAX = 1
} GstCudaQuarkId;
/**
* GstCudaGraphicsResourceType:
* @GST_CUDA_GRAPHICS_RESSOURCE_NONE: Ressource represents a CUDA buffer.
* @GST_CUDA_GRAPHICS_RESSOURCE_GL_BUFFER: Ressource represents a GL buffer.
* @GST_CUDA_GRAPHICS_RESSOURCE_D3D11_RESOURCE: Ressource represents a D3D resource.
*
* Since: 1.22
*/
typedef enum
{
GST_CUDA_GRAPHICS_RESOURCE_NONE = 0,
GST_CUDA_GRAPHICS_RESOURCE_GL_BUFFER = 1,
GST_CUDA_GRAPHICS_RESOURCE_D3D11_RESOURCE = 2,
} GstCudaGraphicsResourceType;
/**
* GstCudaGraphicsResource:
*
* Since: 1.22
*/
typedef struct _GstCudaGraphicsResource
{
GstCudaContext *cuda_context;
/* GL context or D3D11 device */
GstObject *graphics_context;
GstCudaGraphicsResourceType type;
CUgraphicsResource resource;
CUgraphicsRegisterFlags flags;
gboolean registered;
gboolean mapped;
} GstCudaGraphicsResource;
GST_CUDA_API
gboolean gst_cuda_ensure_element_context (GstElement * element,
gint device_id,
GstCudaContext ** cuda_ctx);
GST_CUDA_API
gboolean gst_cuda_handle_set_context (GstElement * element,
GstContext * context,
gint device_id,
GstCudaContext ** cuda_ctx);
GST_CUDA_API
gboolean gst_cuda_handle_context_query (GstElement * element,
GstQuery * query,
GstCudaContext * cuda_ctx);
GST_CUDA_API
GstContext * gst_context_new_cuda_context (GstCudaContext * cuda_ctx);
GST_CUDA_API
GQuark gst_cuda_quark_from_id (GstCudaQuarkId id);
GST_CUDA_API
GstCudaGraphicsResource * gst_cuda_graphics_resource_new (GstCudaContext * context,
GstObject * graphics_context,
GstCudaGraphicsResourceType type);
GST_CUDA_API
gboolean gst_cuda_graphics_resource_register_gl_buffer (GstCudaGraphicsResource * resource,
guint buffer,
CUgraphicsRegisterFlags flags);
#ifdef G_OS_WIN32
GST_CUDA_API
gboolean gst_cuda_graphics_resource_register_d3d11_resource (GstCudaGraphicsResource * resource,
ID3D11Resource * d3d11_resource,
CUgraphicsRegisterFlags flags);
#endif
GST_CUDA_API
void gst_cuda_graphics_resource_unregister (GstCudaGraphicsResource * resource);
GST_CUDA_API
CUgraphicsResource gst_cuda_graphics_resource_map (GstCudaGraphicsResource * resource,
CUstream stream,
CUgraphicsMapResourceFlags flags);
GST_CUDA_API
void gst_cuda_graphics_resource_unmap (GstCudaGraphicsResource * resource,
CUstream stream);
GST_CUDA_API
void gst_cuda_graphics_resource_free (GstCudaGraphicsResource * resource);
GST_CUDA_API
gint64 gst_cuda_create_user_token (void);
G_END_DECLS