| /* |
| * GStreamer |
| * Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com> |
| * 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_H__ |
| #define __GST_GL_WINDOW_H__ |
| |
| #include <gst/gst.h> |
| |
| #include <gst/gl/gstgl_fwd.h> |
| #include <gst/gl/gstglcontext.h> |
| #include <gst/gl/gstgldisplay.h> |
| |
| G_BEGIN_DECLS |
| |
| GST_GL_API |
| GType gst_gl_window_get_type (void); |
| #define GST_TYPE_GL_WINDOW (gst_gl_window_get_type()) |
| |
| #define GST_GL_WINDOW(o) (G_TYPE_CHECK_INSTANCE_CAST((o), GST_TYPE_GL_WINDOW, GstGLWindow)) |
| #define GST_GL_WINDOW_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), GST_TYPE_GL_WINDOW, GstGLWindowClass)) |
| #define GST_IS_GL_WINDOW(o) (G_TYPE_CHECK_INSTANCE_TYPE((o), GST_TYPE_GL_WINDOW)) |
| #define GST_IS_GL_WINDOW_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE((k), GST_TYPE_GL_WINDOW)) |
| #define GST_GL_WINDOW_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS((o), GST_TYPE_GL_WINDOW, GstGLWindowClass)) |
| |
| #define GST_GL_WINDOW_LOCK(w) g_mutex_lock(&GST_GL_WINDOW(w)->lock) |
| #define GST_GL_WINDOW_UNLOCK(w) g_mutex_unlock(&GST_GL_WINDOW(w)->lock) |
| #define GST_GL_WINDOW_GET_LOCK(w) (&GST_GL_WINDOW(w)->lock) |
| |
| GST_GL_API |
| GQuark gst_gl_window_error_quark (void); |
| /** |
| * GST_GL_WINDOW_ERROR: |
| * |
| * Error domain for GStreamer's GL window module. Errors in this domain will be |
| * from the #GstGLWindowError enumeration |
| */ |
| #define GST_GL_WINDOW_ERROR (gst_gl_window_error_quark ()) |
| |
| /** |
| * GstGLWindowError: |
| * @GST_GL_WINDOW_ERROR_FAILED: failed for a unspecified reason |
| * @GST_GL_WINDOW_ERROR_OLD_LIBS: the implementation is too old |
| * @GST_GL_WINDOW_ERROR_RESOURCE_UNAVAILABLE: no such resource was found |
| */ |
| typedef enum |
| { |
| GST_GL_WINDOW_ERROR_FAILED, |
| GST_GL_WINDOW_ERROR_OLD_LIBS, |
| GST_GL_WINDOW_ERROR_RESOURCE_UNAVAILABLE, |
| } GstGLWindowError; |
| |
| typedef void (*GstGLWindowCB) (gpointer data); |
| typedef void (*GstGLWindowResizeCB) (gpointer data, guint width, guint height); |
| |
| /** |
| * GST_GL_WINDOW_CB: |
| * @f: the function to cast |
| * |
| * Cast to the currect function type for generic window callbacks |
| */ |
| #define GST_GL_WINDOW_CB(f) ((GstGLWindowCB) (f)) |
| |
| /** |
| * GST_GL_WINDOW_RESIZE_CB: |
| * @f: the function to cast |
| * |
| * Cast to the currect function type for window resize callbacks |
| */ |
| #define GST_GL_WINDOW_RESIZE_CB(f) ((GstGLWindowResizeCB) (f)) |
| |
| /** |
| * GstGLWindow: |
| * |
| * #GstGLWindow is an opaque struct and should only be accessed through the |
| * provided api. |
| */ |
| struct _GstGLWindow { |
| /*< private >*/ |
| GstObject parent; |
| |
| GMutex lock; |
| |
| GstGLDisplay *display; |
| GWeakRef context_ref; |
| |
| /*< protected >*/ |
| gboolean is_drawing; |
| |
| GstGLWindowCB draw; |
| gpointer draw_data; |
| GDestroyNotify draw_notify; |
| GstGLWindowCB close; |
| gpointer close_data; |
| GDestroyNotify close_notify; |
| GstGLWindowResizeCB resize; |
| gpointer resize_data; |
| GDestroyNotify resize_notify; |
| |
| gboolean queue_resize; |
| |
| GMainContext *main_context; /* default main_context */ |
| |
| /*< private >*/ |
| GstGLWindowPrivate *priv; |
| |
| gpointer _reserved[GST_PADDING]; |
| }; |
| |
| /** |
| * GstGLWindowClass: |
| * @parent_class: Parent class |
| * @get_display: Gets the current windowing system display connection |
| * @set_window_handle: Set a window handle to render into |
| * @get_window_handle: Gets the current window handle that this #GstGLWindow is |
| * rendering into. This may return a different value to |
| * what is passed into @set_window_handle |
| * @draw: redraw the window with the specified dimensions |
| * @run: run the mainloop |
| * @quit: send a quit to the mainloop |
| * @send_message: invoke a function on the window thread. Required to be reentrant. |
| * @send_message_async: invoke a function on the window thread. @run may or may |
| * not have been called. Required to be reentrant. |
| * @open: open the connection to the display |
| * @close: close the connection to the display |
| * @handle_events: whether to handle 'extra' events from the windowing system. |
| * Basic events like surface moves and resizes are still valid |
| * things to listen for. |
| * @set_preferred_size: request that the window change surface size. The |
| * implementation is free to ignore this information. |
| * @show: request that the window be shown to the user |
| * @set_render_rectangle: request a rectangle to render into. See #GstVideoOverlay |
| * @queue_resize: request a resize to occur when possible |
| */ |
| struct _GstGLWindowClass { |
| GstObjectClass parent_class; |
| |
| guintptr (*get_display) (GstGLWindow *window); |
| void (*set_window_handle) (GstGLWindow *window, guintptr handle); |
| guintptr (*get_window_handle) (GstGLWindow *window); |
| void (*draw) (GstGLWindow *window); |
| void (*run) (GstGLWindow *window); |
| void (*quit) (GstGLWindow *window); |
| void (*send_message) (GstGLWindow *window, GstGLWindowCB callback, gpointer data); |
| void (*send_message_async) (GstGLWindow *window, GstGLWindowCB callback, gpointer data, GDestroyNotify destroy); |
| |
| gboolean (*open) (GstGLWindow *window, GError **error); |
| void (*close) (GstGLWindow *window); |
| void (*handle_events) (GstGLWindow *window, gboolean handle_events); |
| void (*set_preferred_size) (GstGLWindow *window, gint width, gint height); |
| void (*show) (GstGLWindow *window); |
| gboolean (*set_render_rectangle)(GstGLWindow *window, gint x, gint y, gint width, gint height); |
| void (*queue_resize) (GstGLWindow *window); |
| void (*prefer_fullscreen) (GstGLWindow *window, gboolean fullscreen); |
| |
| /*< private >*/ |
| gpointer _reserved[GST_PADDING]; |
| }; |
| |
| GST_GL_API |
| GstGLWindow * gst_gl_window_new (GstGLDisplay *display); |
| |
| /* callbacks */ |
| GST_GL_API |
| void gst_gl_window_set_draw_callback (GstGLWindow *window, |
| GstGLWindowCB callback, |
| gpointer data, |
| GDestroyNotify destroy_notify); |
| GST_GL_API |
| void gst_gl_window_set_resize_callback (GstGLWindow *window, |
| GstGLWindowResizeCB callback, |
| gpointer data, |
| GDestroyNotify destroy_notify); |
| GST_GL_API |
| void gst_gl_window_set_close_callback (GstGLWindow *window, |
| GstGLWindowCB callback, |
| gpointer data, |
| GDestroyNotify destroy_notify); |
| |
| GST_GL_API |
| void gst_gl_window_set_window_handle (GstGLWindow *window, guintptr handle); |
| GST_GL_API |
| guintptr gst_gl_window_get_window_handle (GstGLWindow *window); |
| |
| /* loop/events */ |
| GST_GL_API |
| void gst_gl_window_run (GstGLWindow *window); |
| GST_GL_API |
| void gst_gl_window_quit (GstGLWindow *window); |
| GST_GL_API |
| void gst_gl_window_send_message (GstGLWindow *window, |
| GstGLWindowCB callback, |
| gpointer data); |
| GST_GL_API |
| void gst_gl_window_send_message_async (GstGLWindow *window, |
| GstGLWindowCB callback, |
| gpointer data, |
| GDestroyNotify destroy); |
| |
| /* navigation */ |
| GST_GL_API |
| void gst_gl_window_handle_events (GstGLWindow * window, |
| gboolean handle_events); |
| |
| GST_GL_API |
| void gst_gl_window_send_key_event (GstGLWindow * window, |
| const char * event_type, |
| const char * key_str); |
| GST_GL_API |
| void gst_gl_window_send_mouse_event (GstGLWindow * window, |
| const char * event_type, |
| int button, |
| double posx, |
| double posy); |
| |
| /* surfaces/rendering */ |
| GST_GL_API |
| void gst_gl_window_queue_resize (GstGLWindow *window); |
| GST_GL_API |
| void gst_gl_window_draw (GstGLWindow *window); |
| GST_GL_API |
| void gst_gl_window_show (GstGLWindow *window); |
| GST_GL_API |
| void gst_gl_window_set_preferred_size (GstGLWindow * window, |
| gint width, |
| gint height); |
| GST_GL_API |
| void gst_gl_window_get_surface_dimensions (GstGLWindow * window, |
| guint * width, |
| guint * height); |
| GST_GL_API |
| gboolean gst_gl_window_set_render_rectangle (GstGLWindow * window, |
| gint x, |
| gint y, |
| gint width, |
| gint height); |
| |
| GST_GL_API |
| void gst_gl_window_prefer_fullscreen (GstGLWindow * window, |
| gboolean fullscreen); |
| |
| /* subclass usage only */ |
| GST_GL_API |
| void gst_gl_window_resize (GstGLWindow *window, guint width, guint height); |
| |
| GST_GL_API |
| GstGLContext * gst_gl_window_get_context (GstGLWindow *window); |
| GST_GL_API |
| guintptr gst_gl_window_get_display (GstGLWindow *window); |
| |
| G_END_DECLS |
| |
| #endif /* __GST_GL_WINDOW_H__ */ |