1 /* GStreamer 2 * Copyright (C) <2018-2019> Seungha Yang <seungha.yang@navercorp.com> 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public 15 * License along with this library; if not, write to the 16 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 */ 19 20 #ifndef __GST_CUDA_CONTEXT_H__ 21 #define __GST_CUDA_CONTEXT_H__ 22 23 #include <gst/gst.h> 24 #include <cuda.h> 25 26 G_BEGIN_DECLS 27 28 #define GST_TYPE_CUDA_CONTEXT (gst_cuda_context_get_type()) 29 #define GST_CUDA_CONTEXT(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_CUDA_CONTEXT,GstCudaContext)) 30 #define GST_CUDA_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_CUDA_CONTEXT,GstCudaContextClass)) 31 #define GST_CUDA_CONTEXT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GST_TYPE_CUDA_CONTEXT,GstCudaContextClass)) 32 #define GST_IS_CUDA_CONTEXT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj),GST_TYPE_CUDA_CONTEXT)) 33 #define GST_IS_CUDA_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_CUDA_CONTEXT)) 34 #define GST_CUDA_CONTEXT_CAST(obj) ((GstCudaContext*)(obj)) 35 36 #define GST_CUDA_CONTEXT_TYPE "gst.cuda.context" 37 38 typedef struct _GstCudaContext GstCudaContext; 39 typedef struct _GstCudaContextClass GstCudaContextClass; 40 typedef struct _GstCudaContextPrivate GstCudaContextPrivate; 41 42 /* 43 * GstCudaContext: 44 */ 45 struct _GstCudaContext 46 { 47 GstObject object; 48 49 /*< private >*/ 50 GstCudaContextPrivate *priv; 51 }; 52 53 /* 54 * GstCudaContextClass: 55 */ 56 struct _GstCudaContextClass 57 { 58 GstObjectClass parent_class; 59 }; 60 61 GType gst_cuda_context_get_type (void); 62 63 GstCudaContext * gst_cuda_context_new (gint device_id); 64 65 gboolean gst_cuda_context_push (GstCudaContext * ctx); 66 67 gboolean gst_cuda_context_pop (CUcontext * cuda_ctx); 68 69 gpointer gst_cuda_context_get_handle (GstCudaContext * ctx); 70 71 gint gst_cuda_context_get_texture_alignment (GstCudaContext * ctx); 72 73 gboolean gst_cuda_context_can_access_peer (GstCudaContext * ctx, 74 GstCudaContext * peer); 75 76 G_END_DECLS 77 78 #endif /* __GST_CUDA_CONTEXT_H__ */ 79