summaryrefslogtreecommitdiff
path: root/sys/glsink/glimagesink.h
blob: 15e866de2d01119a8e65dd204dddd2a2e664058e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
/* GStreamer
 * Copyright (C) <2003> Julien Moutte <julien@moutte.net>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */
 
#ifndef __GST_GLIMAGESINK_H__
#define __GST_GLIMAGESINK_H__

#include <gst/video/videosink.h>

#include <X11/Xlib.h>
#include <GL/glx.h>
#include <GL/gl.h>
#include <GL/glu.h>

#include <string.h>
#include <math.h>

G_BEGIN_DECLS

#define GST_TYPE_GLIMAGESINK \
  (gst_glimagesink_get_type())
#define GST_GLIMAGESINK(obj) \
  (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_GLIMAGESINK, GstGLImageSink))
#define GST_GLIMAGESINK_CLASS(klass) \
  (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_GLIMAGESINK, GstGLImageSink))
#define GST_IS_GLIMAGESINK(obj) \
  (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_GLIMAGESINK))
#define GST_IS_GLIMAGESINK_CLASS(obj) \
  (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_GLIMAGESINK))

typedef struct _GstXContext GstXContext;
typedef struct _GstGLWindow GstGLWindow;
typedef struct _GstGLImage GstGLImage;

typedef struct _GstGLImageSink GstGLImageSink;
typedef struct _GstGLImageSinkClass GstGLImageSinkClass;

/* Global X Context stuff */
struct _GstXContext {
  Display *disp;
  
  Screen *screen;
  gint screen_num;
  
  Visual *visual;
  XVisualInfo *visualinfo;
  
  Window root;
  GLXContext glx;
  
  gulong white, black;
  
  gint depth;
  gint bpp;
  gint endianness;
  
  gboolean use_xshm;
  
  GstCaps *caps;
};

/* XWindow stuff */
struct _GstGLWindow {
  XSetWindowAttributes attr;
  Window win;
  gint width, height;
  gboolean internal;
};

/* XImage stuff */
struct _GstGLImage {
  /* Reference to the ximagesink we belong to */
  GstGLImageSink *glimagesink;
  
  GLuint texid; 
  
  char *data;
  gint width, height, size;
};

struct _GstGLImageSink {
  /* Our element stuff */
  GstVideoSink videosink;

  char *display_name;
  
  GstXContext *xcontext;
  GstGLWindow *window;
  GstGLImage *glimage;
  GstGLImage *cur_image;
  
  gdouble framerate;
  GMutex *x_lock;
  
  gint pixel_width, pixel_height;  /* Unused */
 
  GstClockTime time;
  
  GMutex *pool_lock;
  GSList *image_pool;

  guint pointer_x, pointer_y;
  gboolean pointer_moved;
  gboolean pointer_button[5];

  gboolean synchronous;
  gboolean signal_handoffs;  
};

struct _GstGLImageSinkClass {
  GstVideoSinkClass parent_class;

  /* signals */
  void (*handoff) (GstElement *element, GstBuffer *buf, GstPad *pad);
  void (*bufferalloc) (GstElement *element, GstBuffer *buf, GstPad *pad);
};

GType gst_glimagesink_get_type(void);

G_END_DECLS

#endif /* __GST_GLIMAGESINK_H__ */