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86dcfc29dc
So that application or people implementing cuda element from outside GStreamer itself can ensure that their contexts are used by GStreamer. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1472>
105 lines
3.1 KiB
C
105 lines
3.1 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_CONTEXT_H__
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#define __GST_CUDA_CONTEXT_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 "cuda.h"
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G_BEGIN_DECLS
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#define GST_TYPE_CUDA_CONTEXT (gst_cuda_context_get_type())
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#define GST_CUDA_CONTEXT(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_CUDA_CONTEXT,GstCudaContext))
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#define GST_CUDA_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_CUDA_CONTEXT,GstCudaContextClass))
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#define GST_CUDA_CONTEXT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GST_TYPE_CUDA_CONTEXT,GstCudaContextClass))
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#define GST_IS_CUDA_CONTEXT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj),GST_TYPE_CUDA_CONTEXT))
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#define GST_IS_CUDA_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_CUDA_CONTEXT))
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/**
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* GST_CUDA_CONTEXT_CAST:
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*
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* Since: 1.22
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*/
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#define GST_CUDA_CONTEXT_CAST(obj) ((GstCudaContext*)(obj))
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/**
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* GST_CUDA_CONTEXT_TYPE:
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*
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* Since: 1.22
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*/
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#define GST_CUDA_CONTEXT_TYPE "gst.cuda.context"
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typedef struct _GstCudaContext GstCudaContext;
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typedef struct _GstCudaContextClass GstCudaContextClass;
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typedef struct _GstCudaContextPrivate GstCudaContextPrivate;
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/**
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* GstCudaContext:
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*
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* Since: 1.22
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*/
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struct _GstCudaContext
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{
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GstObject object;
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/*< private >*/
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GstCudaContextPrivate *priv;
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};
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struct _GstCudaContextClass
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{
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GstObjectClass parent_class;
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};
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GST_CUDA_API
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GType gst_cuda_context_get_type (void);
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GST_CUDA_API
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GstCudaContext * gst_cuda_context_new (guint device_id);
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GST_CUDA_API
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GstCudaContext * gst_cuda_context_new_wrapped (CUcontext handler, CUdevice device);
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GST_CUDA_API
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gboolean gst_cuda_context_push (GstCudaContext * ctx);
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GST_CUDA_API
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gboolean gst_cuda_context_pop (CUcontext * cuda_ctx);
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GST_CUDA_API
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gpointer gst_cuda_context_get_handle (GstCudaContext * ctx);
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GST_CUDA_API
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gint gst_cuda_context_get_texture_alignment (GstCudaContext * ctx);
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GST_CUDA_API
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gboolean gst_cuda_context_can_access_peer (GstCudaContext * ctx,
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GstCudaContext * peer);
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G_END_DECLS
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#endif /* __GST_CUDA_CONTEXT_H__ */
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