1 /* 2 * GStreamer 3 * Copyright (C) 2012 Matthew Waters <ystreet00@gmail.com> 4 * Copyright (C) 2015 Matthew Waters <matthew@centricular.com> 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Library General Public 8 * License as published by the Free Software Foundation; either 9 * version 2 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Library General Public License for more details. 15 * 16 * You should have received a copy of the GNU Library General Public 17 * License along with this library; if not, write to the 18 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 19 * Boston, MA 02110-1301, USA. 20 */ 21 22 #ifndef _GST_GL_MEMORY_PBO_H_ 23 #define _GST_GL_MEMORY_PBO_H_ 24 25 #include <gst/gl/gstglmemory.h> 26 27 G_BEGIN_DECLS 28 29 #define GST_TYPE_GL_MEMORY_PBO_ALLOCATOR (gst_gl_memory_pbo_allocator_get_type()) 30 GST_GL_API 31 GType gst_gl_memory_pbo_allocator_get_type(void); 32 33 #define GST_IS_GL_MEMORY_PBO_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_GL_MEMORY_PBO_ALLOCATOR)) 34 #define GST_IS_GL_MEMORY_PBO_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_GL_MEMORY_PBO_ALLOCATOR)) 35 #define GST_GL_MEMORY_PBO_ALLOCATOR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_GL_MEMORY_PBO_ALLOCATOR, GstGLMemoryPBOAllocatorClass)) 36 #define GST_GL_MEMORY_PBO_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_GL_MEMORY_PBO_ALLOCATOR, GstGLMemoryPBOAllocator)) 37 #define GST_GL_MEMORY_PBO_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_GL_MEMORY_PBO_ALLOCATOR, GstGLMemoryPBOAllocatorClass)) 38 #define GST_GL_MEMORY_PBO_ALLOCATOR_CAST(obj) ((GstGLMemoryPBOAllocator *)(obj)) 39 40 /** 41 * GstGLMemoryPBO: 42 * 43 * Private instance 44 */ 45 struct _GstGLMemoryPBO 46 { 47 /*< private >*/ 48 GstGLMemory mem; 49 50 GstGLBuffer *pbo; 51 52 gpointer _padding[GST_PADDING]; 53 }; 54 55 /** 56 * GST_GL_MEMORY_PBO_ALLOCATOR_NAME: 57 * 58 * The name of the GL Memory PBO allocator 59 */ 60 #define GST_GL_MEMORY_PBO_ALLOCATOR_NAME "GLMemoryPBO" 61 62 /** 63 * GST_TYPE_GL_MEMORY_PBO 64 * 65 * Since: 1.20 66 */ 67 #define GST_TYPE_GL_MEMORY_PBO (gst_gl_memory_pbo_get_type()) 68 GST_GL_API 69 GType gst_gl_memory_pbo_get_type(void); 70 71 GST_GL_API 72 void gst_gl_memory_pbo_init_once (void); 73 GST_GL_API 74 gboolean gst_is_gl_memory_pbo (GstMemory * mem); 75 76 GST_GL_API 77 void gst_gl_memory_pbo_download_transfer (GstGLMemoryPBO * gl_mem); 78 GST_GL_API 79 void gst_gl_memory_pbo_upload_transfer (GstGLMemoryPBO * gl_mem); 80 81 GST_GL_API 82 gboolean gst_gl_memory_pbo_copy_into_texture (GstGLMemoryPBO *gl_mem, 83 guint tex_id, 84 GstGLTextureTarget target, 85 GstGLFormat tex_format, 86 gint width, 87 gint height, 88 gint stride, 89 gboolean respecify); 90 91 /** 92 * GstGLMemoryPBOAllocator: 93 * 94 * Opaque #GstGLMemoryPBOAllocator struct 95 */ 96 struct _GstGLMemoryPBOAllocator 97 { 98 GstGLMemoryAllocator parent; 99 100 /*< private >*/ 101 gpointer _padding[GST_PADDING]; 102 }; 103 104 /** 105 * GstGLMemoryPBOAllocatorClass: 106 * 107 * Only contains private data 108 */ 109 struct _GstGLMemoryPBOAllocatorClass 110 { 111 GstGLMemoryAllocatorClass parent_class; 112 113 /*< private >*/ 114 gpointer _padding[GST_PADDING]; 115 }; 116 117 G_END_DECLS 118 119 #endif /* _GST_GL_MEMORY_PBO_H_ */ 120