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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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246 lines
7.7 KiB
C
246 lines
7.7 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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#ifndef __GST_CUDA_UTILS_H__
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#define __GST_CUDA_UTILS_H__
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#ifndef GST_USE_UNSTABLE_API
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#warning "The Cuda library from gst-plugins-bad is unstable API and may change in future."
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#warning "You can define GST_USE_UNSTABLE_API to avoid this warning."
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#endif
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#include "cuda-prelude.h"
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include "cuda-gst.h"
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#include "gstcudaloader.h"
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#include "gstcudacontext.h"
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#include "gstcudamemory.h"
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G_BEGIN_DECLS
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#ifndef GST_DISABLE_GST_DEBUG
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static inline gboolean
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_gst_cuda_debug(CUresult result, GstDebugCategory * category,
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const gchar * file, const gchar * function, gint line)
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{
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const gchar *_error_name, *_error_text;
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if (result != CUDA_SUCCESS) {
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CuGetErrorName (result, &_error_name);
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CuGetErrorString (result, &_error_text);
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gst_debug_log (category, GST_LEVEL_WARNING, file, function, line,
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NULL, "CUDA call failed: %s, %s", _error_name, _error_text);
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return FALSE;
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}
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return TRUE;
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}
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/**
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* gst_cuda_result:
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* @result: CUDA device API return code `CUresult`
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*
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* Returns: %TRUE if CUDA device API call result is CUDA_SUCCESS
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*/
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#define gst_cuda_result(result) \
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_gst_cuda_debug(result, GST_CAT_DEFAULT, __FILE__, GST_FUNCTION, __LINE__)
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#else
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static inline gboolean
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_gst_cuda_debug(CUresult result, GstDebugCategory * category,
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const gchar * file, const gchar * function, gint line)
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{
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return result == CUDA_SUCCESS;
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}
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/**
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* gst_cuda_result:
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* @result: CUDA device API return code `CUresult`
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*
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* Returns: %TRUE if CUDA device API call result is CUDA_SUCCESS
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*
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* Since: 1.22
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*/
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#define gst_cuda_result(result) \
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_gst_cuda_debug(result, NULL, __FILE__, GST_FUNCTION, __LINE__)
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#endif
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/**
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* GstCudaQuarkId:
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*
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* Since: 1.22
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*/
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typedef enum
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{
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GST_CUDA_QUARK_GRAPHICS_RESOURCE = 0,
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/* end of quark list */
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GST_CUDA_QUARK_MAX = 1
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} GstCudaQuarkId;
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/**
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* GstCudaGraphicsResourceType:
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* @GST_CUDA_GRAPHICS_RESSOURCE_NONE: Ressource represents a CUDA buffer.
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* @GST_CUDA_GRAPHICS_RESSOURCE_GL_BUFFER: Ressource represents a GL buffer.
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* @GST_CUDA_GRAPHICS_RESSOURCE_D3D11_RESOURCE: Ressource represents a D3D resource.
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*
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* Since: 1.22
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*/
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typedef enum
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{
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GST_CUDA_GRAPHICS_RESOURCE_NONE = 0,
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GST_CUDA_GRAPHICS_RESOURCE_GL_BUFFER = 1,
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GST_CUDA_GRAPHICS_RESOURCE_D3D11_RESOURCE = 2,
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} GstCudaGraphicsResourceType;
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/**
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* GstCudaGraphicsResource:
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*
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* Since: 1.22
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*/
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typedef struct _GstCudaGraphicsResource
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{
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GstCudaContext *cuda_context;
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/* GL context or D3D11 device */
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GstObject *graphics_context;
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GstCudaGraphicsResourceType type;
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CUgraphicsResource resource;
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CUgraphicsRegisterFlags flags;
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gboolean registered;
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gboolean mapped;
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} GstCudaGraphicsResource;
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GST_CUDA_API
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gboolean gst_cuda_ensure_element_context (GstElement * element,
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gint device_id,
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GstCudaContext ** cuda_ctx);
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GST_CUDA_API
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gboolean gst_cuda_handle_set_context (GstElement * element,
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GstContext * context,
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gint device_id,
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GstCudaContext ** cuda_ctx);
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GST_CUDA_API
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gboolean gst_cuda_handle_context_query (GstElement * element,
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GstQuery * query,
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GstCudaContext * cuda_ctx);
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GST_CUDA_API
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GstContext * gst_context_new_cuda_context (GstCudaContext * cuda_ctx);
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GST_CUDA_API
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GQuark gst_cuda_quark_from_id (GstCudaQuarkId id);
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GST_CUDA_API
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GstCudaGraphicsResource * gst_cuda_graphics_resource_new (GstCudaContext * context,
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GstObject * graphics_context,
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GstCudaGraphicsResourceType type);
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GST_CUDA_API
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gboolean gst_cuda_graphics_resource_register_gl_buffer (GstCudaGraphicsResource * resource,
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guint buffer,
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CUgraphicsRegisterFlags flags);
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#ifdef GST_CUDA_HAS_D3D
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GST_CUDA_API
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gboolean gst_cuda_graphics_resource_register_d3d11_resource (GstCudaGraphicsResource * resource,
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gpointer d3d11_resource,
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CUgraphicsRegisterFlags flags);
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#endif
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GST_CUDA_API
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void gst_cuda_graphics_resource_unregister (GstCudaGraphicsResource * resource);
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GST_CUDA_API
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CUgraphicsResource gst_cuda_graphics_resource_map (GstCudaGraphicsResource * resource,
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CUstream stream,
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CUgraphicsMapResourceFlags flags);
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GST_CUDA_API
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void gst_cuda_graphics_resource_unmap (GstCudaGraphicsResource * resource,
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CUstream stream);
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GST_CUDA_API
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void gst_cuda_graphics_resource_free (GstCudaGraphicsResource * resource);
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/**
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* GstCudaBufferCopyType:
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* @GST_CUDA_BUFFER_COPY_SYSTEM: Copy from/to system memory
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* @GST_CUDA_BUFFER_COPY_CUDA: Copy from/to cuda memory
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* @GST_CUDA_BUFFER_COPY_GL: Copy from/to GL memory
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* @GST_CUDA_BUFFER_COPY_D3D11: Copy from/to D3D11 memory
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* @GST_CUDA_BUFFER_COPY_NVMM: Copy from/to NVMM memory
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*
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* Since: 1.22
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*/
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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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/**
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* gst_cuda_buffer_copy_type_to_string:
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* @type: The #GstCudaBufferCopyType to get name from
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*
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* Returns: The human readable name of @type
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*
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* Since: 1.22
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*/
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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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/**
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* gst_cuda_buffer_copy:
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* @dst: The buffer into which to copy @src content
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* @dst_type: The #GstCudaBufferCopyType to copy @src into
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* @dst_info: #GstVideoInfo defining @dst
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* @src: The source buffer to copy
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* @src_type: The #GstCudaBufferCopyType @src is in
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* @src_info: $GstVideoInfo defining @src
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* @context: The #GstCudaContext to use to copy @src into @dst
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* @stream: The @CUStream to use to copy @src into @dst
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*
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* Copies @src into @dst with the specified arguments.
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*
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* Returns: %TRUE if the buffer could be copied %FALSE otherwise
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*
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* Since: 1.22
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*/
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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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CUstream stream);
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G_END_DECLS
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#endif /* __GST_CUDA_UTILS_H__ */
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