mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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f58eb98440
No-one's using/depending on it (it would have criticalled and not worked) and it's causing more problems than it's solving. Store the GMainContext in the public struct instead for subclasses to optionally use instead of relying on the push/pop state to be correct. https://bugzilla.gnome.org/show_bug.cgi?id=775970
251 lines
9.8 KiB
C
251 lines
9.8 KiB
C
/*
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* GStreamer
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* Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com>
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* Copyright (C) 2012 Matthew Waters <ystreet00@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_GL_WINDOW_H__
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#define __GST_GL_WINDOW_H__
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#include <gst/gst.h>
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#include <gst/gl/gstgl_fwd.h>
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#include <gst/gl/gstglcontext.h>
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#include <gst/gl/gstgldisplay.h>
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G_BEGIN_DECLS
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GST_EXPORT
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GType gst_gl_window_get_type (void);
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#define GST_TYPE_GL_WINDOW (gst_gl_window_get_type())
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/* FIXME: remove this when moving to -base */
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G_DEPRECATED_FOR(GST_TYPE_GL_WINDOW) \
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static inline GType GST_GL_TYPE_WINDOW (void) { return GST_TYPE_GL_WINDOW; }
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#define GST_GL_WINDOW(o) (G_TYPE_CHECK_INSTANCE_CAST((o), GST_TYPE_GL_WINDOW, GstGLWindow))
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#define GST_GL_WINDOW_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), GST_TYPE_GL_WINDOW, GstGLWindowClass))
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#define GST_IS_GL_WINDOW(o) (G_TYPE_CHECK_INSTANCE_TYPE((o), GST_TYPE_GL_WINDOW))
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#define GST_IS_GL_WINDOW_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE((k), GST_TYPE_GL_WINDOW))
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#define GST_GL_WINDOW_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS((o), GST_TYPE_GL_WINDOW, GstGLWindowClass))
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#define GST_GL_WINDOW_LOCK(w) g_mutex_lock(&GST_GL_WINDOW(w)->lock)
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#define GST_GL_WINDOW_UNLOCK(w) g_mutex_unlock(&GST_GL_WINDOW(w)->lock)
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#define GST_GL_WINDOW_GET_LOCK(w) (&GST_GL_WINDOW(w)->lock)
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GST_EXPORT
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GQuark gst_gl_window_error_quark (void);
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#define GST_GL_WINDOW_ERROR (gst_gl_window_error_quark ())
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/**
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* GstGLWindowError:
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* @GST_GL_WINDOW_ERROR_FAILED: failed for a unspecified reason
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* @GST_GL_WINDOW_ERROR_OLD_LIBS: the implementation is too old
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* @GST_GL_WINDOW_ERROR_RESOURCE_UNAVAILABLE: no such resource was found
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*/
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typedef enum
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{
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GST_GL_WINDOW_ERROR_FAILED,
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GST_GL_WINDOW_ERROR_OLD_LIBS,
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GST_GL_WINDOW_ERROR_RESOURCE_UNAVAILABLE,
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} GstGLWindowError;
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typedef void (*GstGLWindowCB) (gpointer data);
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typedef void (*GstGLWindowResizeCB) (gpointer data, guint width, guint height);
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#define GST_GL_WINDOW_CB(f) ((GstGLWindowCB) (f))
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#define GST_GL_WINDOW_RESIZE_CB(f) ((GstGLWindowResizeCB) (f))
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/**
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* GstGLWindow:
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*
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* #GstGLWindow is an opaque struct and should only be accessed through the
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* provided api.
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*/
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struct _GstGLWindow {
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/*< private >*/
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GstObject parent;
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GMutex lock;
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GstGLDisplay *display;
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GWeakRef context_ref;
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/*< protected >*/
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gboolean is_drawing;
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GstGLWindowCB draw;
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gpointer draw_data;
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GDestroyNotify draw_notify;
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GstGLWindowCB close;
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gpointer close_data;
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GDestroyNotify close_notify;
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GstGLWindowResizeCB resize;
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gpointer resize_data;
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GDestroyNotify resize_notify;
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gboolean queue_resize;
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GMainContext *main_context; /* default main_context */
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/*< private >*/
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GstGLWindowPrivate *priv;
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gpointer _reserved[GST_PADDING];
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};
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/**
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* GstGLWindowClass:
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* @parent_class: Parent class
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* @get_display: Gets the current windowing system display connection
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* @set_window_handle: Set a window handle to render into
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* @get_window_handle: Gets the current window handle that this #GstGLWindow is
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* rendering into. This may return a different value to
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* what is passed into @set_window_handle
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* @draw: redraw the window with the specified dimensions
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* @run: run the mainloop
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* @quit: send a quit to the mainloop
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* @send_message: invoke a function on the window thread. Required to be reentrant.
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* @send_message_async: invoke a function on the window thread. @run may or may
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* not have been called. Required to be reentrant.
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* @open: open the connection to the display
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* @close: close the connection to the display
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* @handle_events: whether to handle 'extra' events from the windowing system.
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* Basic events like surface moves and resizes are still valid
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* things to listen for.
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* @set_preferred_size: request that the window change surface size. The
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* implementation is free to ignore this information.
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* @show: request that the window be shown to the user
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* @set_render_rectangle: request a rectangle to render into. See #GstVideoOverlay
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* @queue_resize: request a resize to occur when possible
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*/
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struct _GstGLWindowClass {
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GstObjectClass parent_class;
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guintptr (*get_display) (GstGLWindow *window);
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void (*set_window_handle) (GstGLWindow *window, guintptr id);
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guintptr (*get_window_handle) (GstGLWindow *window);
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void (*draw) (GstGLWindow *window);
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void (*run) (GstGLWindow *window);
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void (*quit) (GstGLWindow *window);
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void (*send_message) (GstGLWindow *window, GstGLWindowCB callback, gpointer data);
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void (*send_message_async) (GstGLWindow *window, GstGLWindowCB callback, gpointer data, GDestroyNotify destroy);
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gboolean (*open) (GstGLWindow *window, GError **error);
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void (*close) (GstGLWindow *window);
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void (*handle_events) (GstGLWindow *window, gboolean handle_events);
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void (*set_preferred_size) (GstGLWindow *window, gint width, gint height);
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void (*show) (GstGLWindow *window);
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gboolean (*set_render_rectangle)(GstGLWindow *window, gint x, gint y, gint width, gint height);
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void (*queue_resize) (GstGLWindow *window);
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/*< private >*/
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gpointer _reserved[GST_PADDING];
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};
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GST_EXPORT
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GstGLWindow * gst_gl_window_new (GstGLDisplay *display);
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/* callbacks */
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GST_EXPORT
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void gst_gl_window_set_draw_callback (GstGLWindow *window,
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GstGLWindowCB callback,
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gpointer data,
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GDestroyNotify destroy_notify);
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GST_EXPORT
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void gst_gl_window_set_resize_callback (GstGLWindow *window,
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GstGLWindowResizeCB callback,
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gpointer data,
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GDestroyNotify destroy_notify);
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GST_EXPORT
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void gst_gl_window_set_close_callback (GstGLWindow *window,
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GstGLWindowCB callback,
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gpointer data,
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GDestroyNotify destroy_notify);
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GST_EXPORT
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void gst_gl_window_set_window_handle (GstGLWindow *window, guintptr handle);
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GST_EXPORT
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guintptr gst_gl_window_get_window_handle (GstGLWindow *window);
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/* loop/events */
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GST_EXPORT
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void gst_gl_window_run (GstGLWindow *window);
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GST_EXPORT
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void gst_gl_window_quit (GstGLWindow *window);
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GST_EXPORT
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void gst_gl_window_send_message (GstGLWindow *window,
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GstGLWindowCB callback,
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gpointer data);
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GST_EXPORT
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void gst_gl_window_send_message_async (GstGLWindow *window,
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GstGLWindowCB callback,
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gpointer data,
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GDestroyNotify destroy);
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/* navigation */
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GST_EXPORT
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void gst_gl_window_handle_events (GstGLWindow * window,
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gboolean handle_events);
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GST_EXPORT
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void gst_gl_window_send_key_event (GstGLWindow * window,
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const char * event_type,
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const char * key_str);
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GST_EXPORT
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void gst_gl_window_send_mouse_event (GstGLWindow * window,
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const char * event_type,
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int button,
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double posx,
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double posy);
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/* surfaces/rendering */
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GST_EXPORT
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void gst_gl_window_queue_resize (GstGLWindow *window);
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GST_EXPORT
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void gst_gl_window_draw (GstGLWindow *window);
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GST_EXPORT
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void gst_gl_window_show (GstGLWindow *window);
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GST_EXPORT
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void gst_gl_window_set_preferred_size (GstGLWindow * window,
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gint width,
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gint height);
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GST_EXPORT
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void gst_gl_window_get_surface_dimensions (GstGLWindow * window,
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guint * width,
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guint * height);
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GST_EXPORT
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gboolean gst_gl_window_set_render_rectangle (GstGLWindow * window,
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gint x,
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gint y,
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gint width,
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gint height);
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/* subclass usage only */
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GST_EXPORT
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void gst_gl_window_resize (GstGLWindow *window, guint width, guint height);
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GST_EXPORT
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GstGLContext * gst_gl_window_get_context (GstGLWindow *window);
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GST_EXPORT
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guintptr gst_gl_window_get_display (GstGLWindow *window);
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GST_DEBUG_CATEGORY_EXTERN (gst_gl_window_debug);
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G_END_DECLS
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#endif /* __GST_GL_WINDOW_H__ */
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