gstreamer/gst/gl/glimagesink.h

137 lines
3.1 KiB
C

/* 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__ */