1 /* GStreamer 2 * Copyright (C) <2005> Julien Moutte <julien@moutte.net> 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_XIMAGEPOOL_H__ 21 #define __GST_XIMAGEPOOL_H__ 22 23 #ifdef HAVE_XSHM 24 #include <sys/types.h> 25 #include <sys/ipc.h> 26 #include <sys/shm.h> 27 #endif /* HAVE_XSHM */ 28 29 #include <X11/Xlib.h> 30 #include <X11/Xutil.h> 31 32 #ifdef HAVE_XSHM 33 #include <X11/extensions/XShm.h> 34 #endif /* HAVE_XSHM */ 35 36 #include <string.h> 37 #include <math.h> 38 39 40 G_BEGIN_DECLS 41 42 typedef struct _GstXImageMemory GstXImageMemory; 43 44 typedef struct _GstXImageBufferPool GstXImageBufferPool; 45 typedef struct _GstXImageBufferPoolClass GstXImageBufferPoolClass; 46 47 #include "ximagesink.h" 48 49 /** 50 * GstXImageMemory: 51 * @sink: a reference to the our #GstXImageSink 52 * @ximage: the XImage of this buffer 53 * @width: the width in pixels of XImage @ximage 54 * @height: the height in pixels of XImage @ximage 55 * @size: the size in bytes of XImage @ximage 56 * 57 * Subclass of #GstMemory containing additional information about an XImage. 58 */ 59 struct _GstXImageMemory 60 { 61 GstMemory parent; 62 63 /* Reference to the ximagesink we belong to */ 64 GstXImageSink *sink; 65 66 XImage *ximage; 67 68 #ifdef HAVE_XSHM 69 XShmSegmentInfo SHMInfo; 70 #endif /* HAVE_XSHM */ 71 72 gint x, y; 73 gint width, height; 74 size_t size; 75 }; 76 77 /* buffer pool functions */ 78 #define GST_TYPE_XIMAGE_BUFFER_POOL (gst_ximage_buffer_pool_get_type()) 79 #define GST_IS_XIMAGE_BUFFER_POOL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_XIMAGE_BUFFER_POOL)) 80 #define GST_XIMAGE_BUFFER_POOL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_XIMAGE_BUFFER_POOL, GstXImageBufferPool)) 81 #define GST_XIMAGE_BUFFER_POOL_CAST(obj) ((GstXImageBufferPool*)(obj)) 82 83 struct _GstXImageBufferPool 84 { 85 GstBufferPool bufferpool; 86 87 GstXImageSink *sink; 88 GstAllocator *allocator; 89 90 GstCaps *caps; 91 GstVideoInfo info; 92 GstVideoAlignment align; 93 guint padded_width; 94 guint padded_height; 95 gboolean add_metavideo; 96 gboolean need_alignment; 97 }; 98 99 struct _GstXImageBufferPoolClass 100 { 101 GstBufferPoolClass parent_class; 102 }; 103 104 GType gst_ximage_buffer_pool_get_type (void); 105 106 GstBufferPool * gst_ximage_buffer_pool_new (GstXImageSink * ximagesink); 107 108 gboolean gst_x_image_sink_check_xshm_calls (GstXImageSink * ximagesink, 109 GstXContext * xcontext); 110 111 G_END_DECLS 112 113 #endif /* __GST_XIMAGEPOOL_H__ */ 114