1 /* 2 * GStreamer 3 * Copyright (C) 2015 Alessandro Decina <twi@centricular.com> 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public 16 * License along with this library; if not, write to the 17 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 18 * Boston, MA 02110-1301, USA. 19 */ 20 21 #ifndef _GST_IO_SURFACE_GL_MEMORY_H_ 22 #define _GST_IO_SURFACE_GL_MEMORY_H_ 23 24 #include <IOSurface/IOSurface.h> 25 #include <gst/gst.h> 26 #include <gst/gstallocator.h> 27 #include <gst/video/video.h> 28 #include <gst/gl/gl.h> 29 #include <gst/gl/gstglfuncs.h> 30 31 G_BEGIN_DECLS 32 33 #define GST_TYPE_IO_SURFACE_GL_MEMORY_ALLOCATOR (gst_io_surface_gl_memory_allocator_get_type()) 34 GType gst_io_surface_gl_memory_allocator_get_type(void); 35 36 #define GST_IS_IO_SURFACE_GL_MEMORY_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_IO_SURFACE_GL_MEMORY_ALLOCATOR)) 37 #define GST_IS_IO_SURFACE_GL_MEMORY_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_IO_SURFACE_GL_MEMORY_ALLOCATOR)) 38 #define GST_IO_SURFACE_GL_MEMORY_ALLOCATOR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_IO_SURFACE_GL_MEMORY_ALLOCATOR, GstIOSurfaceGLMemoryAllocatorClass)) 39 #define GST_IO_SURFACE_GL_MEMORY_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_IO_SURFACE_GL_MEMORY_ALLOCATOR, GstIOSurfaceGLMemoryAllocator)) 40 #define GST_IO_SURFACE_GL_MEMORY_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_IO_SURFACE_GL_MEMORY_ALLOCATOR, GstIOSurfaceGLMemoryAllocatorClass)) 41 #define GST_IO_SURFACE_GL_MEMORY_ALLOCATOR_CAST(obj) ((GstIOSurfaceGLMemoryAllocator *)(obj)) 42 43 typedef struct _GstIOSurfaceGLMemory 44 { 45 GstGLMemory gl_mem; 46 IOSurfaceRef surface; 47 } GstIOSurfaceGLMemory; 48 49 #define GST_IO_SURFACE_GL_MEMORY_ALLOCATOR_NAME "IOSurfaceGLMemory" 50 51 void gst_ios_surface_gl_memory_init (void); 52 53 GstIOSurfaceGLMemory * 54 gst_io_surface_gl_memory_wrapped (GstGLContext * context, 55 IOSurfaceRef surface, 56 GstGLTextureTarget target, 57 GstGLFormat tex_format, 58 GstVideoInfo * info, 59 guint plane, 60 GstVideoAlignment *valign, 61 gpointer user_data, 62 GDestroyNotify notify); 63 64 void gst_io_surface_gl_memory_set_surface (GstIOSurfaceGLMemory *memory, IOSurfaceRef surface); 65 66 gboolean gst_is_io_surface_gl_memory (GstMemory * mem); 67 68 typedef struct _GstIOSurfaceGLMemoryAllocator 69 { 70 GstGLMemoryAllocator allocator; 71 } GstIOSurfaceGLMemoryAllocator; 72 73 typedef struct _GstIOSurfaceGLMemoryAllocatorClass 74 { 75 GstGLMemoryAllocatorClass parent_class; 76 } GstIOSurfaceGLMemoryAllocatorClass; 77 78 G_END_DECLS 79 80 #endif /* _GST_IO_SURFACE_MEMORY_H_ */ 81