mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-07-15 10:48:16 +00:00
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.
152 lines
4.9 KiB
C
152 lines
4.9 KiB
C
/* 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.
|
|
*/
|
|
|
|
#ifndef __GST_CUDA_UTILS_H__
|
|
#define __GST_CUDA_UTILS_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include "gstcudaloader.h"
|
|
#include "gstcudacontext.h"
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#ifndef GST_DISABLE_GST_DEBUG
|
|
static inline gboolean
|
|
_gst_cuda_debug(CUresult result, GstDebugCategory * category,
|
|
const gchar * file, const gchar * function, gint line)
|
|
{
|
|
const gchar *_error_name, *_error_text;
|
|
if (result != CUDA_SUCCESS) {
|
|
CuGetErrorName (result, &_error_name);
|
|
CuGetErrorString (result, &_error_text);
|
|
gst_debug_log (category, GST_LEVEL_WARNING, file, function, line,
|
|
NULL, "CUDA call failed: %s, %s", _error_name, _error_text);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* gst_cuda_result:
|
|
* @result: CUDA device API return code #CUresult
|
|
*
|
|
* Returns: %TRUE if CUDA device API call result is CUDA_SUCCESS
|
|
*/
|
|
#define gst_cuda_result(result) \
|
|
_gst_cuda_debug(result, GST_CAT_DEFAULT, __FILE__, GST_FUNCTION, __LINE__)
|
|
#else
|
|
|
|
static inline gboolean
|
|
_gst_cuda_debug(CUresult result, GstDebugCategory * category,
|
|
const gchar * file, const gchar * function, gint line)
|
|
{
|
|
return result == CUDA_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
* gst_cuda_result:
|
|
* @result: CUDA device API return code #CUresult
|
|
*
|
|
* Returns: %TRUE if CUDA device API call result is CUDA_SUCCESS
|
|
*/
|
|
#define gst_cuda_result(result) \
|
|
_gst_cuda_debug(result, NULL, __FILE__, GST_FUNCTION, __LINE__)
|
|
#endif
|
|
|
|
typedef enum
|
|
{
|
|
GST_CUDA_QUARK_GRAPHICS_RESOURCE = 0,
|
|
|
|
/* end of quark list */
|
|
GST_CUDA_QUARK_MAX = 1
|
|
} GstCudaQuarkId;
|
|
|
|
typedef enum
|
|
{
|
|
GST_CUDA_GRAPHICS_RESOURCE_NONE = 0,
|
|
GST_CUDA_GRAPHICS_RESOURCE_GL_BUFFER = 1,
|
|
} GstCudaGraphicsResourceType;
|
|
|
|
typedef struct _GstCudaGraphicsResource
|
|
{
|
|
GstCudaContext *cuda_context;
|
|
/* GL context (or d3d11 context in the future) */
|
|
GstObject *graphics_context;
|
|
|
|
GstCudaGraphicsResourceType type;
|
|
CUgraphicsResource resource;
|
|
CUgraphicsRegisterFlags flags;
|
|
|
|
gboolean registered;
|
|
gboolean mapped;
|
|
} GstCudaGraphicsResource;
|
|
|
|
G_GNUC_INTERNAL
|
|
gboolean gst_cuda_ensure_element_context (GstElement * element,
|
|
gint device_id,
|
|
GstCudaContext ** cuda_ctx);
|
|
|
|
G_GNUC_INTERNAL
|
|
gboolean gst_cuda_handle_set_context (GstElement * element,
|
|
GstContext * context,
|
|
gint device_id,
|
|
GstCudaContext ** cuda_ctx);
|
|
|
|
G_GNUC_INTERNAL
|
|
gboolean gst_cuda_handle_context_query (GstElement * element,
|
|
GstQuery * query,
|
|
GstCudaContext * cuda_ctx);
|
|
|
|
G_GNUC_INTERNAL
|
|
GstContext * gst_context_new_cuda_context (GstCudaContext * context);
|
|
|
|
G_GNUC_INTERNAL
|
|
GQuark gst_cuda_quark_from_id (GstCudaQuarkId id);
|
|
|
|
G_GNUC_INTERNAL
|
|
GstCudaGraphicsResource * gst_cuda_graphics_resource_new (GstCudaContext * context,
|
|
GstObject * graphics_context,
|
|
GstCudaGraphicsResourceType type);
|
|
|
|
G_GNUC_INTERNAL
|
|
gboolean gst_cuda_graphics_resource_register_gl_buffer (GstCudaGraphicsResource * resource,
|
|
guint buffer,
|
|
CUgraphicsRegisterFlags flags);
|
|
|
|
G_GNUC_INTERNAL
|
|
void gst_cuda_graphics_resource_unregister (GstCudaGraphicsResource * resource);
|
|
|
|
G_GNUC_INTERNAL
|
|
CUgraphicsResource gst_cuda_graphics_resource_map (GstCudaGraphicsResource * resource,
|
|
CUstream stream,
|
|
CUgraphicsMapResourceFlags flags);
|
|
|
|
G_GNUC_INTERNAL
|
|
void gst_cuda_graphics_resource_unmap (GstCudaGraphicsResource * resource,
|
|
CUstream stream);
|
|
|
|
G_GNUC_INTERNAL
|
|
void gst_cuda_graphics_resource_free (GstCudaGraphicsResource * resource);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_CUDA_UTILS_H__ */
|