gstreamer/subprojects/gst-plugins-bad/gst-libs/gst/cuda/gstcudacontext.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.
*/
#ifndef __GST_CUDA_CONTEXT_H__
#define __GST_CUDA_CONTEXT_H__
#ifndef GST_USE_UNSTABLE_API
#warning "The Cuda library from gst-plugins-bad is unstable API and may change in future."
#warning "You can define GST_USE_UNSTABLE_API to avoid this warning."
#endif
#include "cuda-prelude.h"
#include <gst/gst.h>
#include "cuda.h"
G_BEGIN_DECLS
#define GST_TYPE_CUDA_CONTEXT (gst_cuda_context_get_type())
#define GST_CUDA_CONTEXT(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_CUDA_CONTEXT,GstCudaContext))
#define GST_CUDA_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_CUDA_CONTEXT,GstCudaContextClass))
#define GST_CUDA_CONTEXT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GST_TYPE_CUDA_CONTEXT,GstCudaContextClass))
#define GST_IS_CUDA_CONTEXT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj),GST_TYPE_CUDA_CONTEXT))
#define GST_IS_CUDA_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_CUDA_CONTEXT))
/**
* GST_CUDA_CONTEXT_CAST:
*
* Since: 1.22
*/
#define GST_CUDA_CONTEXT_CAST(obj) ((GstCudaContext*)(obj))
/**
* GST_CUDA_CONTEXT_TYPE:
*
* Since: 1.22
*/
#define GST_CUDA_CONTEXT_TYPE "gst.cuda.context"
typedef struct _GstCudaContext GstCudaContext;
typedef struct _GstCudaContextClass GstCudaContextClass;
typedef struct _GstCudaContextPrivate GstCudaContextPrivate;
/**
* GstCudaContext:
*
* Since: 1.22
*/
struct _GstCudaContext
{
GstObject object;
/*< private >*/
GstCudaContextPrivate *priv;
};
struct _GstCudaContextClass
{
GstObjectClass parent_class;
};
GST_CUDA_API
GType gst_cuda_context_get_type (void);
GST_CUDA_API
GstCudaContext * gst_cuda_context_new (guint device_id);
GST_CUDA_API
GstCudaContext * gst_cuda_context_new_wrapped (CUcontext handler, CUdevice device);
GST_CUDA_API
gboolean gst_cuda_context_push (GstCudaContext * ctx);
GST_CUDA_API
gboolean gst_cuda_context_pop (CUcontext * cuda_ctx);
GST_CUDA_API
gpointer gst_cuda_context_get_handle (GstCudaContext * ctx);
GST_CUDA_API
gint gst_cuda_context_get_texture_alignment (GstCudaContext * ctx);
GST_CUDA_API
gboolean gst_cuda_context_can_access_peer (GstCudaContext * ctx,
GstCudaContext * peer);
G_END_DECLS
#endif /* __GST_CUDA_CONTEXT_H__ */