gstreamer/gst-libs/gst/gl/x11/gstglwindow_x11.h
Matthew Waters 63bbe9406a glwindow: add API to request a resize event on the next draw
- glimagesink needs to be able to resize the viewport on aspect ratio
  changes resulting from either caps changes or 3d output mode changes.
- Performing a glViewport outside the GstGLWindow::resize callback
  will not have the winsys' stack of viewports required to correctly
  place the output frame.

Provide a function to request a resize on the next draw event from the
winsys.

Also track size changes inside the base GstGLWindow class rather
than in each subclass.

https://bugzilla.gnome.org/show_bug.cgi?id=755111
2017-12-09 19:32:08 +00:00

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C

/*
* GStreamer
* Copyright (C) 2012 Matthew Waters <ystreet00@gmail.com>
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_GL_WINDOW_X11_H__
#define __GST_GL_WINDOW_X11_H__
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <gst/gl/gl.h>
G_BEGIN_DECLS
#define GST_GL_TYPE_WINDOW_X11 (gst_gl_window_x11_get_type())
#define GST_GL_WINDOW_X11(o) (G_TYPE_CHECK_INSTANCE_CAST((o), GST_GL_TYPE_WINDOW_X11, GstGLWindowX11))
#define GST_GL_WINDOW_X11_CLASS(k) (G_TYPE_CHECK_CLASS((k), GST_GL_TYPE_WINDOW_X11, GstGLWindowX11Class))
#define GST_GL_IS_WINDOW_X11(o) (G_TYPE_CHECK_INSTANCE_TYPE((o), GST_GL_TYPE_WINDOW_X11))
#define GST_GL_IS_WINDOW_X11_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE((k), GST_GL_TYPE_WINDOW_X11))
#define GST_GL_WINDOW_X11_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS((o), GST_GL_TYPE_WINDOW_X11, GstGLWindowX11Class))
typedef struct _GstGLWindowX11 GstGLWindowX11;
typedef struct _GstGLWindowX11Private GstGLWindowX11Private;
typedef struct _GstGLWindowX11Class GstGLWindowX11Class;
/**
* GstGLWindowX11:
*
* Opaque #GstGLWindowX11 object
*/
struct _GstGLWindowX11
{
/*< private >*/
GstGLWindow parent;
gboolean running;
gboolean visible;
gboolean allow_extra_expose_events;
/* opengl context */
Display *device;
Screen *screen;
gint screen_num;
Visual *visual;
Window root;
gulong white;
gulong black;
gint depth;
gint device_width;
gint device_height;
gint connection;
XVisualInfo *visual_info;
Window parent_win;
/* X window */
Window internal_win_id;
GSource *x11_source;
/*< private >*/
GstGLWindowX11Private *priv;
gpointer _reserved[GST_PADDING];
};
/**
* GstGLWindowX11Class:
*
* Opaque #GstGLWindowX11Class object
*/
struct _GstGLWindowX11Class {
/*< private >*/
GstGLWindowClass parent_class;
/*< private >*/
gpointer _reserved[GST_PADDING_LARGE];
};
GType gst_gl_window_x11_get_type (void);
GstGLWindowX11 * gst_gl_window_x11_new (GstGLDisplay * display);
void gst_gl_window_x11_trap_x_errors (void);
gint gst_gl_window_x11_untrap_x_errors (void);
gboolean gst_gl_window_x11_create_window (GstGLWindowX11 * window_x11);
G_END_DECLS
#endif /* __GST_GL_WINDOW_X11_H__ */