mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-04 23:46:43 +00:00
23661f0446
Change window_proc and subclass_proc to static to avoid symbols duplication. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4246>
692 lines
20 KiB
C
692 lines
20 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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstglwindow_win32.h"
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static LRESULT CALLBACK window_proc (HWND hWnd, UINT uMsg, WPARAM wParam,
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LPARAM lParam);
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static LRESULT FAR PASCAL sub_class_proc (HWND hWnd, UINT uMsg, WPARAM wParam,
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LPARAM lParam);
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enum
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{
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PROP_0
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};
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struct _GstGLWindowWin32Private
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{
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gint preferred_width;
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gint preferred_height;
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GIOChannel *msg_io_channel;
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};
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#define GST_CAT_DEFAULT gst_gl_window_win32_debug
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GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
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#define DEBUG_INIT \
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GST_DEBUG_CATEGORY_GET (GST_CAT_DEFAULT, "glwindow");
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#define gst_gl_window_win32_parent_class parent_class
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G_DEFINE_TYPE_WITH_CODE (GstGLWindowWin32, gst_gl_window_win32,
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GST_TYPE_GL_WINDOW, G_ADD_PRIVATE (GstGLWindowWin32) DEBUG_INIT);
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static void gst_gl_window_win32_set_window_handle (GstGLWindow * window,
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guintptr handle);
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static guintptr gst_gl_window_win32_get_display (GstGLWindow * window);
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static guintptr gst_gl_window_win32_get_window_handle (GstGLWindow * window);
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static void gst_gl_window_win32_set_preferred_size (GstGLWindow * window,
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gint width, gint height);
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static void gst_gl_window_win32_show (GstGLWindow * window);
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static void gst_gl_window_win32_draw (GstGLWindow * window);
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gboolean gst_gl_window_win32_open (GstGLWindow * window, GError ** error);
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void gst_gl_window_win32_close (GstGLWindow * window);
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static void release_parent_win_id (GstGLWindowWin32 * window_win32);
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static void gst_gl_window_win32_send_message (GstGLWindow * window,
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GstGLWindowCB callback, gpointer data);
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static void
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gst_gl_window_win32_class_init (GstGLWindowWin32Class * klass)
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{
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GstGLWindowClass *window_class = (GstGLWindowClass *) klass;
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window_class->set_window_handle =
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GST_DEBUG_FUNCPTR (gst_gl_window_win32_set_window_handle);
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window_class->draw = GST_DEBUG_FUNCPTR (gst_gl_window_win32_draw);
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window_class->get_display =
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GST_DEBUG_FUNCPTR (gst_gl_window_win32_get_display);
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window_class->get_window_handle =
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GST_DEBUG_FUNCPTR (gst_gl_window_win32_get_window_handle);
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window_class->set_preferred_size =
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GST_DEBUG_FUNCPTR (gst_gl_window_win32_set_preferred_size);
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window_class->show = GST_DEBUG_FUNCPTR (gst_gl_window_win32_show);
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window_class->open = GST_DEBUG_FUNCPTR (gst_gl_window_win32_open);
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window_class->close = GST_DEBUG_FUNCPTR (gst_gl_window_win32_close);
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window_class->send_message =
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GST_DEBUG_FUNCPTR (gst_gl_window_win32_send_message);
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}
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static void
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gst_gl_window_win32_init (GstGLWindowWin32 * window)
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{
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window->priv = gst_gl_window_win32_get_instance_private (window);
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}
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GstGLWindowWin32 *
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gst_gl_window_win32_new (GstGLDisplay * display)
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{
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GstGLWindowWin32 *window;
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if ((gst_gl_display_get_handle_type (display) &
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(GST_GL_DISPLAY_TYPE_WIN32 | GST_GL_DISPLAY_TYPE_EGL)) == 0)
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/* we require an win32 display to create win32 windows */
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return NULL;
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window = g_object_new (GST_TYPE_GL_WINDOW_WIN32, NULL);
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gst_object_ref_sink (window);
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return window;
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}
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static gboolean
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msg_cb (GIOChannel * source, GIOCondition condition, gpointer data)
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{
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MSG msg;
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if (!PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
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return G_SOURCE_CONTINUE;
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GST_TRACE ("handle message");
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TranslateMessage (&msg);
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DispatchMessage (&msg);
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return G_SOURCE_CONTINUE;
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}
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gboolean
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gst_gl_window_win32_open (GstGLWindow * window, GError ** error)
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{
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GstGLWindowWin32 *window_win32 = GST_GL_WINDOW_WIN32 (window);
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if (!GST_GL_WINDOW_CLASS (parent_class)->open (window, error))
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return FALSE;
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window_win32->priv->msg_io_channel = g_io_channel_win32_new_messages (0);
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window_win32->msg_source =
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g_io_create_watch (window_win32->priv->msg_io_channel, G_IO_IN);
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g_source_set_callback (window_win32->msg_source, (GSourceFunc) msg_cb, NULL,
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NULL);
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g_source_attach (window_win32->msg_source, window->main_context);
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return TRUE;
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}
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void
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gst_gl_window_win32_close (GstGLWindow * window)
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{
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GstGLWindowWin32 *window_win32 = GST_GL_WINDOW_WIN32 (window);
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release_parent_win_id (window_win32);
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if (window_win32->internal_win_id) {
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RemoveProp (window_win32->internal_win_id, "gl_window");
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ShowWindow (window_win32->internal_win_id, SW_HIDE);
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SetParent (window_win32->internal_win_id, NULL);
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if (!DestroyWindow (window_win32->internal_win_id))
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GST_WARNING ("failed to destroy window %" G_GUINTPTR_FORMAT
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", 0x%x", (guintptr) window_win32->internal_win_id,
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(unsigned int) GetLastError ());
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}
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g_source_destroy (window_win32->msg_source);
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g_source_unref (window_win32->msg_source);
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window_win32->msg_source = NULL;
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g_io_channel_unref (window_win32->priv->msg_io_channel);
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window_win32->priv->msg_io_channel = NULL;
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GST_GL_WINDOW_CLASS (parent_class)->close (window);
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}
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static void
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set_parent_win_id (GstGLWindowWin32 * window_win32)
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{
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WNDPROC window_parent_proc;
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RECT rect;
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if (!window_win32->parent_win_id) {
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/* no parent so the internal window needs borders and system menu */
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SetWindowLongPtr (window_win32->internal_win_id, GWL_STYLE,
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WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_OVERLAPPEDWINDOW);
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SetParent (window_win32->internal_win_id, NULL);
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return;
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}
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window_parent_proc =
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(WNDPROC) GetWindowLongPtr (window_win32->parent_win_id, GWLP_WNDPROC);
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GST_DEBUG ("set parent %" G_GUINTPTR_FORMAT,
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(guintptr) window_win32->parent_win_id);
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SetProp (window_win32->parent_win_id, "gl_window_id",
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window_win32->internal_win_id);
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SetProp (window_win32->parent_win_id, "gl_window_parent_proc",
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(WNDPROC) window_parent_proc);
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SetWindowLongPtr (window_win32->parent_win_id, GWLP_WNDPROC,
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(LONG_PTR) sub_class_proc);
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SetWindowLongPtr (window_win32->internal_win_id, GWL_STYLE,
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WS_CHILD | WS_MAXIMIZE);
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SetParent (window_win32->internal_win_id, window_win32->parent_win_id);
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/* take changes into account: SWP_FRAMECHANGED */
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GetClientRect (window_win32->parent_win_id, &rect);
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SetWindowPos (window_win32->internal_win_id, HWND_TOP, rect.left, rect.top,
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rect.right, rect.bottom,
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SWP_ASYNCWINDOWPOS | SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER |
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SWP_FRAMECHANGED | SWP_NOACTIVATE);
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MoveWindow (window_win32->internal_win_id, rect.left, rect.top, rect.right,
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rect.bottom, FALSE);
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}
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static void
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release_parent_win_id (GstGLWindowWin32 * window_win32)
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{
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WNDPROC parent_proc;
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if (!window_win32->parent_win_id)
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return;
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parent_proc = GetProp (window_win32->parent_win_id, "gl_window_parent_proc");
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if (!parent_proc)
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return;
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GST_DEBUG ("release parent %" G_GUINTPTR_FORMAT,
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(guintptr) window_win32->parent_win_id);
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SetWindowLongPtr (window_win32->parent_win_id, GWLP_WNDPROC,
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(LONG_PTR) parent_proc);
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RemoveProp (window_win32->parent_win_id, "gl_window_parent_proc");
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}
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gboolean
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gst_gl_window_win32_create_window (GstGLWindowWin32 * window_win32,
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GError ** error)
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{
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// GstGLWindowWin32 *window_win32 = GST_GL_WINDOW_WIN32 (window);
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WNDCLASSEX wc;
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ATOM atom = 0;
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HINSTANCE hinstance = GetModuleHandle (NULL);
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static gint x = 0;
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static gint y = 0;
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GST_LOG ("Attempting to create a win32 window");
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x += 20;
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y += 20;
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atom = GetClassInfoEx (hinstance, "GSTGL", &wc);
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if (atom == 0) {
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ZeroMemory (&wc, sizeof (WNDCLASSEX));
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wc.cbSize = sizeof (WNDCLASSEX);
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wc.lpfnWndProc = window_proc;
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wc.cbClsExtra = 0;
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wc.cbWndExtra = 0;
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wc.hInstance = hinstance;
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wc.hIcon = LoadIcon (NULL, IDI_WINLOGO);
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wc.hIconSm = NULL;
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wc.style = CS_OWNDC | CS_HREDRAW | CS_VREDRAW;
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wc.hCursor = LoadCursor (NULL, IDC_ARROW);
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wc.hbrBackground = (HBRUSH) GetStockObject (BLACK_BRUSH);
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wc.lpszMenuName = NULL;
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wc.lpszClassName = "GSTGL";
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atom = RegisterClassEx (&wc);
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if (atom == 0) {
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g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_FAILED,
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"Failed to register window class 0x%x\n",
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(unsigned int) GetLastError ());
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goto failure;
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}
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}
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window_win32->internal_win_id = 0;
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window_win32->device = 0;
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window_win32->visible = FALSE;
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window_win32->internal_win_id = CreateWindowEx (0,
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"GSTGL",
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"OpenGL renderer",
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WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_OVERLAPPEDWINDOW,
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x, y, 0, 0, (HWND) NULL, (HMENU) NULL, hinstance, window_win32);
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if (!window_win32->internal_win_id) {
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g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_FAILED,
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"failed to create gl window");
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goto failure;
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}
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GST_DEBUG ("gl window created: %" G_GUINTPTR_FORMAT,
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(guintptr) window_win32->internal_win_id);
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//device is set in the window_proc
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if (!window_win32->device) {
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g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_FAILED,
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"failed to create device");
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goto failure;
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}
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ShowCursor (TRUE);
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GST_LOG ("Created a win32 window");
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/* The window has been created as if it had no parent, so there is nothing
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* else to do in that case. Even if user has already set a window,
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* parent_win_id could still be 0 at this point, and in that case calling
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* set_parent_win_id() here would steal focus from the parent window. */
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if (window_win32->parent_win_id)
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set_parent_win_id (window_win32);
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return TRUE;
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failure:
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return FALSE;
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}
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static guintptr
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gst_gl_window_win32_get_display (GstGLWindow * window)
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{
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GstGLWindowWin32 *window_win32;
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window_win32 = GST_GL_WINDOW_WIN32 (window);
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return (guintptr) window_win32->device;
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}
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static guintptr
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gst_gl_window_win32_get_window_handle (GstGLWindow * window)
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{
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GstGLWindowWin32 *window_win32;
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window_win32 = GST_GL_WINDOW_WIN32 (window);
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return (guintptr) window_win32->internal_win_id;
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}
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static void
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gst_gl_window_win32_set_window_handle (GstGLWindow * window, guintptr id)
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{
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GstGLWindowWin32 *window_win32;
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window_win32 = GST_GL_WINDOW_WIN32 (window);
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if (!window_win32->internal_win_id) {
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window_win32->parent_win_id = (HWND) id;
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return;
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}
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if (window_win32->visible) {
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ShowWindow (window_win32->internal_win_id, SW_HIDE);
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window_win32->visible = FALSE;
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}
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release_parent_win_id (window_win32);
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window_win32->parent_win_id = (HWND) id;
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set_parent_win_id (window_win32);
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}
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static void
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gst_gl_window_win32_show (GstGLWindow * window)
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{
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GstGLWindowWin32 *window_win32 = GST_GL_WINDOW_WIN32 (window);
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gint width = window_win32->priv->preferred_width;
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gint height = window_win32->priv->preferred_height;
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if (!window_win32->visible) {
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HWND parent_id = window_win32->parent_win_id;
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/* if no parent the real size has to be set now because this has not been done
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* when at window creation */
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if (!parent_id) {
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RECT rect;
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GetClientRect (window_win32->internal_win_id, &rect);
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width += 2 * GetSystemMetrics (SM_CXSIZEFRAME);
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height +=
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2 * GetSystemMetrics (SM_CYSIZEFRAME) +
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GetSystemMetrics (SM_CYCAPTION);
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MoveWindow (window_win32->internal_win_id, rect.left, rect.top, width,
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height, FALSE);
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}
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ShowWindowAsync (window_win32->internal_win_id, SW_SHOW);
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window_win32->visible = TRUE;
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}
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}
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static void
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gst_gl_window_win32_set_preferred_size (GstGLWindow * window, gint width,
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gint height)
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{
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GstGLWindowWin32 *window_win32 = GST_GL_WINDOW_WIN32 (window);
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window_win32->priv->preferred_width = width;
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window_win32->priv->preferred_height = height;
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}
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/* Thread safe */
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static void
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gst_gl_window_win32_draw (GstGLWindow * window)
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{
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GstGLWindowWin32 *window_win32 = GST_GL_WINDOW_WIN32 (window);
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RedrawWindow (window_win32->internal_win_id, NULL, NULL,
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RDW_NOERASE | RDW_INTERNALPAINT | RDW_INVALIDATE);
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}
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typedef struct
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{
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GstGLWindow *window;
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const gchar *event_type;
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gchar *key_string;
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} GstGLWindowWin32KeyEvent;
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static gboolean
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gst_gl_window_win32_handle_key_event_func (GstGLWindowWin32KeyEvent * event)
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{
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gst_gl_window_send_key_event (event->window,
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event->event_type, event->key_string);
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return G_SOURCE_REMOVE;
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}
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static void
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gst_gl_window_win32_key_event_free (GstGLWindowWin32KeyEvent * event)
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{
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g_free (event->key_string);
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g_free (event);
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}
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static void
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gst_gl_window_win32_handle_key_event (GstGLWindow * window, UINT uMsg,
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LPARAM lParam)
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{
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gunichar2 wcrep[128];
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if (GetKeyNameTextW (lParam, (LPWSTR) wcrep, 128)) {
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gchar *utfrep = g_utf16_to_utf8 (wcrep, 128, NULL, NULL, NULL);
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if (utfrep) {
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GstGLDisplay *display = window->display;
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GstGLWindowWin32KeyEvent *key_event;
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key_event = g_new0 (GstGLWindowWin32KeyEvent, 1);
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key_event->window = window;
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if (uMsg == WM_KEYDOWN)
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key_event->event_type = "key-press";
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else
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key_event->event_type = "key-release";
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key_event->key_string = utfrep;
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g_main_context_invoke_full (display->main_context, G_PRIORITY_DEFAULT,
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(GSourceFunc) gst_gl_window_win32_handle_key_event_func,
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key_event, (GDestroyNotify) gst_gl_window_win32_key_event_free);
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}
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}
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}
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typedef struct
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{
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GstGLWindow *window;
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const gchar *event_type;
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gint button;
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gdouble pos_x;
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gdouble pos_y;
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} GstGLWindowWin32MouseEvent;
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static gboolean
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gst_gl_window_win32_handle_mouse_event_func (GstGLWindowWin32MouseEvent * event)
|
|
{
|
|
gst_gl_window_send_mouse_event (event->window,
|
|
event->event_type, event->button, event->pos_x, event->pos_y);
|
|
|
|
return G_SOURCE_REMOVE;
|
|
}
|
|
|
|
static void
|
|
gst_gl_window_win32_handle_mouse_event (GstGLWindow * window, UINT uMsg,
|
|
LPARAM lParam)
|
|
{
|
|
gint button;
|
|
const gchar *event = NULL;
|
|
|
|
switch (uMsg) {
|
|
case WM_MOUSEMOVE:
|
|
button = 0;
|
|
event = "mouse-move";
|
|
break;
|
|
case WM_LBUTTONDOWN:
|
|
button = 1;
|
|
event = "mouse-button-press";
|
|
break;
|
|
case WM_LBUTTONUP:
|
|
button = 1;
|
|
event = "mouse-button-release";
|
|
break;
|
|
case WM_RBUTTONDOWN:
|
|
button = 2;
|
|
event = "mouse-button-press";
|
|
break;
|
|
case WM_RBUTTONUP:
|
|
button = 2;
|
|
event = "mouse-button-release";
|
|
break;
|
|
case WM_MBUTTONDOWN:
|
|
button = 3;
|
|
event = "mouse-button-press";
|
|
break;
|
|
case WM_MBUTTONUP:
|
|
button = 3;
|
|
event = "mouse-button-release";
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (event) {
|
|
GstGLDisplay *display = window->display;
|
|
GstGLWindowWin32MouseEvent *mouse_event;
|
|
|
|
mouse_event = g_new0 (GstGLWindowWin32MouseEvent, 1);
|
|
mouse_event->window = window;
|
|
mouse_event->event_type = event;
|
|
mouse_event->button = button;
|
|
mouse_event->pos_x = (gdouble) LOWORD (lParam);
|
|
mouse_event->pos_y = (gdouble) HIWORD (lParam);
|
|
|
|
g_main_context_invoke_full (display->main_context, G_PRIORITY_DEFAULT,
|
|
(GSourceFunc) gst_gl_window_win32_handle_mouse_event_func,
|
|
mouse_event, (GDestroyNotify) g_free);
|
|
}
|
|
}
|
|
|
|
/* PRIVATE */
|
|
|
|
static LRESULT CALLBACK
|
|
window_proc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
GstGLWindowWin32 *window_win32;
|
|
LRESULT ret = 0;
|
|
|
|
if (uMsg == WM_CREATE) {
|
|
window_win32 =
|
|
GST_GL_WINDOW_WIN32 (((LPCREATESTRUCT) lParam)->lpCreateParams);
|
|
|
|
GST_TRACE ("WM_CREATE");
|
|
|
|
window_win32->device = GetDC (hWnd);
|
|
/* Do this, otherwise we hang on exit. We can still use it (due to the
|
|
* CS_OWNDC flag in the WindowClass) after we have Released.
|
|
*/
|
|
ReleaseDC (hWnd, window_win32->device);
|
|
|
|
SetProp (hWnd, "gl_window", window_win32);
|
|
} else if (GetProp (hWnd, "gl_window")) {
|
|
GstGLWindow *window;
|
|
GstGLContext *context;
|
|
|
|
window_win32 = GST_GL_WINDOW_WIN32 (GetProp (hWnd, "gl_window"));
|
|
window = GST_GL_WINDOW (window_win32);
|
|
context = gst_gl_window_get_context (window);
|
|
|
|
g_assert (window_win32->internal_win_id == hWnd);
|
|
|
|
switch (uMsg) {
|
|
case WM_SIZE:
|
|
gst_gl_window_resize (window, LOWORD (lParam), HIWORD (lParam));
|
|
break;
|
|
case WM_PAINT:
|
|
{
|
|
if (window->queue_resize) {
|
|
guint width, height;
|
|
|
|
gst_gl_window_get_surface_dimensions (window, &width, &height);
|
|
gst_gl_window_resize (window, width, height);
|
|
}
|
|
if (window->draw) {
|
|
PAINTSTRUCT ps;
|
|
BeginPaint (hWnd, &ps);
|
|
window->draw (window->draw_data);
|
|
gst_gl_context_swap_buffers (context);
|
|
EndPaint (hWnd, &ps);
|
|
}
|
|
break;
|
|
}
|
|
case WM_CLOSE:
|
|
{
|
|
ShowWindowAsync (window_win32->internal_win_id, SW_HIDE);
|
|
|
|
GST_TRACE ("WM_CLOSE");
|
|
|
|
if (window->close)
|
|
window->close (window->close_data);
|
|
break;
|
|
}
|
|
case WM_CAPTURECHANGED:
|
|
{
|
|
GST_DEBUG ("WM_CAPTURECHANGED");
|
|
if (window->queue_resize) {
|
|
guint width, height;
|
|
|
|
gst_gl_window_get_surface_dimensions (window, &width, &height);
|
|
gst_gl_window_resize (window, width, height);
|
|
}
|
|
if (window->draw)
|
|
window->draw (window->draw_data);
|
|
break;
|
|
}
|
|
case WM_ERASEBKGND:
|
|
{
|
|
ret = TRUE;
|
|
break;
|
|
}
|
|
case WM_KEYDOWN:
|
|
case WM_KEYUP:
|
|
gst_gl_window_win32_handle_key_event (window, uMsg, lParam);
|
|
ret = DefWindowProc (hWnd, uMsg, wParam, lParam);
|
|
break;
|
|
case WM_LBUTTONDOWN:
|
|
case WM_LBUTTONUP:
|
|
case WM_RBUTTONDOWN:
|
|
case WM_RBUTTONUP:
|
|
case WM_MBUTTONDOWN:
|
|
case WM_MBUTTONUP:
|
|
case WM_MOUSEMOVE:
|
|
gst_gl_window_win32_handle_mouse_event (window, uMsg, lParam);
|
|
/* DefWindowProc will not chain up mouse event to parent window */
|
|
if (window_win32->parent_win_id)
|
|
PostMessage (window_win32->parent_win_id, uMsg, wParam, lParam);
|
|
ret = DefWindowProc (hWnd, uMsg, wParam, lParam);
|
|
break;
|
|
default:
|
|
{
|
|
ret = DefWindowProc (hWnd, uMsg, wParam, lParam);
|
|
}
|
|
}
|
|
|
|
gst_object_unref (context);
|
|
} else {
|
|
ret = DefWindowProc (hWnd, uMsg, wParam, lParam);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static LRESULT FAR PASCAL
|
|
sub_class_proc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
WNDPROC window_parent_proc = GetProp (hWnd, "gl_window_parent_proc");
|
|
|
|
if (uMsg == WM_SIZE) {
|
|
HWND gl_window_id = GetProp (hWnd, "gl_window_id");
|
|
MoveWindow (gl_window_id, 0, 0, LOWORD (lParam), HIWORD (lParam), FALSE);
|
|
}
|
|
|
|
return CallWindowProc (window_parent_proc, hWnd, uMsg, wParam, lParam);
|
|
}
|
|
|
|
typedef struct _GstGLWin32SyncMessage
|
|
{
|
|
GstGLWindowCB callback;
|
|
gpointer data;
|
|
|
|
HANDLE *event;
|
|
} GstGLWin32SyncMessage;
|
|
|
|
static void
|
|
_run_message_sync (GstGLWin32SyncMessage * message)
|
|
{
|
|
if (message->callback)
|
|
message->callback (message->data);
|
|
|
|
SetEvent (message->event);
|
|
}
|
|
|
|
void
|
|
gst_gl_window_win32_send_message (GstGLWindow * window,
|
|
GstGLWindowCB callback, gpointer data)
|
|
{
|
|
GstGLWin32SyncMessage message;
|
|
|
|
message.callback = callback;
|
|
message.data = data;
|
|
message.event = CreateEvent (NULL, FALSE, FALSE, NULL);
|
|
|
|
gst_gl_window_send_message_async (window, (GstGLWindowCB) _run_message_sync,
|
|
&message, NULL);
|
|
|
|
WaitForSingleObject (message.event, INFINITE);
|
|
CloseHandle (message.event);
|
|
}
|