2 * Copyright (C) <2005> Julien Moutte <julien@moutte.net>
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.
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.
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., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
20 #ifndef __GST_XIMAGESINK_H__
21 #define __GST_XIMAGESINK_H__
23 #include <gst/video/gstvideosink.h>
26 #include <sys/types.h>
29 #endif /* HAVE_XSHM */
32 #include <X11/Xutil.h>
35 #include <X11/extensions/XShm.h>
36 #endif /* HAVE_XSHM */
42 #define GST_TYPE_XIMAGESINK \
43 (gst_ximagesink_get_type())
44 #define GST_XIMAGESINK(obj) \
45 (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_XIMAGESINK, GstXImageSink))
46 #define GST_XIMAGESINK_CLASS(klass) \
47 (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_XIMAGESINK, GstXImageSinkClass))
48 #define GST_IS_XIMAGESINK(obj) \
49 (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_XIMAGESINK))
50 #define GST_IS_XIMAGESINK_CLASS(klass) \
51 (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_XIMAGESINK))
52 typedef struct _GstXContext GstXContext;
53 typedef struct _GstXWindow GstXWindow;
55 typedef struct _GstXImageBuffer GstXImageBuffer;
56 typedef struct _GstXImageBufferClass GstXImageBufferClass;
58 typedef struct _GstXImageSink GstXImageSink;
59 typedef struct _GstXImageSinkClass GstXImageSinkClass;
63 * @disp: the X11 Display of this context
64 * @screen: the default Screen of Display @disp
65 * @screen_num: the Screen number of @screen
66 * @visual: the default Visual of Screen @screen
67 * @root: the root Window of Display @disp
68 * @white: the value of a white pixel on Screen @screen
69 * @black: the value of a black pixel on Screen @screen
70 * @depth: the color depth of Display @disp
71 * @bpp: the number of bits per pixel on Display @disp
72 * @endianness: the endianness of image bytes on Display @disp
73 * @width: the width in pixels of Display @disp
74 * @height: the height in pixels of Display @disp
75 * @widthmm: the width in millimeters of Display @disp
76 * @heightmm: the height in millimeters of Display @disp
77 * @par: the pixel aspect ratio calculated from @width, @widthmm and @height,
79 * @use_xshm: used to known wether of not XShm extension is usable or not even
80 * if the Extension is present
81 * @caps: the #GstCaps that Display @disp can accept
83 * Structure used to store various informations collected/calculated for a
104 gint widthmm, heightmm;
105 GValue *par; /* calculated pixel aspect ratio */
115 * @win: the Window ID of this X11 window
116 * @width: the width in pixels of Window @win
117 * @height: the height in pixels of Window @win
118 * @internal: used to remember if Window @win was created internally or passed
119 * through the #GstXOverlay interface
120 * @gc: the Graphical Context of Window @win
122 * Structure used to store informations about a Window.
134 * @ximagesink: a reference to our #GstXImageSink
135 * @ximage: the XImage of this buffer
136 * @width: the width in pixels of XImage @ximage
137 * @height: the height in pixels of XImage @ximage
138 * @size: the size in bytes of XImage @ximage
140 * Subclass of #GstBuffer containing additional information about an XImage.
142 struct _GstXImageBuffer
146 /* Reference to the ximagesink we belong to */
147 GstXImageSink *ximagesink;
152 XShmSegmentInfo SHMInfo;
153 #endif /* HAVE_XSHM */
161 * @display_name: the name of the Display we want to render to
162 * @xcontext: our instance's #GstXContext
163 * @xwindow: the #GstXWindow we are rendering to
164 * @ximage: internal #GstXImage used to store incoming buffers and render when
165 * not using the buffer_alloc optimization mechanism
166 * @cur_image: a reference to the last #GstXImage that was put to @xwindow. It
167 * is used when Expose events are received to redraw the latest video frame
168 * @event_thread: a thread listening for events on @xwindow and handling them
169 * @running: used to inform @event_thread if it should run/shutdown
170 * @fps_n: the framerate fraction numerator
171 * @fps_d: the framerate fraction denominator
172 * @x_lock: used to protect X calls as we are not using the XLib in threaded
174 * @flow_lock: used to protect data flow routines from external calls such as
175 * events from @event_thread or methods from the #GstXOverlay interface
176 * @par: used to override calculated pixel aspect ratio from @xcontext
177 * @pool_lock: used to protect the buffer pool
178 * @buffer_pool: a list of #GstXImageBuffer that could be reused at next buffer
180 * @synchronous: used to store if XSynchronous should be used or not (for
181 * debugging purpose only)
182 * @keep_aspect: used to remember if reverse negotiation scaling should respect
184 * @handle_events: used to know if we should handle select XEvents or not
186 * The #GstXImageSink data structure.
188 struct _GstXImageSink
190 /* Our element stuff */
191 GstVideoSink videosink;
195 GstXContext *xcontext;
197 GstXImageBuffer *ximage;
198 GstXImageBuffer *cur_image;
200 GThread *event_thread;
203 /* Framerate numerator and denominator */
210 /* object-set pixel aspect ratio */
216 gboolean synchronous;
217 gboolean keep_aspect;
218 gboolean handle_events;
219 gboolean handle_expose;
220 gboolean draw_border;
222 /* stream metadata */
226 struct _GstXImageSinkClass
228 GstVideoSinkClass parent_class;
231 GType gst_ximagesink_get_type (void);
234 #endif /* __GST_XIMAGESINK_H__ */