mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-10 03:19:40 +00:00
[269/906] Better deal with XNextEvent and XSendEvent
This commit is contained in:
Julien Isorce
Matthew Waters
parent
6eb98ba7ad
commit
e7c8f724e1
1 changed files with 151 additions and 188 deletions
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@ -37,9 +37,7 @@ enum
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struct _GstGLWindowPrivate
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{
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GMutex *glwin_lock;
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GMutex *x_lock;
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GCond *cond_x_event;
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GCond *cond_send_message;
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gboolean running;
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@ -83,7 +81,6 @@ gst_gl_window_finalize (GObject * object)
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GstGLWindowPrivate *priv = window->priv;
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XEvent event;
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g_mutex_lock (priv->glwin_lock);
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g_mutex_lock (priv->x_lock);
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g_debug ("gl window finalizing\n");
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@ -120,7 +117,6 @@ gst_gl_window_finalize (GObject * object)
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g_debug ("display closed\n");
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g_mutex_unlock (priv->x_lock);
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g_mutex_unlock (priv->glwin_lock);
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if (priv->cond_send_message)
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{
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@ -134,18 +130,6 @@ gst_gl_window_finalize (GObject * object)
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priv->x_lock = NULL;
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}
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if (priv->cond_x_event)
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{
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g_cond_free (priv->cond_x_event);
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priv->cond_x_event = NULL;
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}
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if (priv->glwin_lock)
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{
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g_mutex_free (priv->glwin_lock);
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priv->glwin_lock = NULL;
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}
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G_OBJECT_CLASS (gst_gl_window_parent_class)->finalize (object);
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g_debug ("lock deleted\n");
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@ -262,13 +246,12 @@ gst_gl_window_new (gint width, gint height)
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static gint x = 0;
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static gint y = 0;
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priv->glwin_lock = g_mutex_new ();
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priv->x_lock = g_mutex_new ();
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priv->cond_x_event = g_cond_new ();
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priv->cond_send_message = g_cond_new ();
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priv->running = TRUE;
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g_mutex_lock (priv->glwin_lock);
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//XInitThreads ();
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g_mutex_lock (priv->x_lock);
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x += 20;
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@ -318,8 +301,6 @@ gst_gl_window_new (gint width, gint height)
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if (wm_delete_and_gl[0] == None)
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g_debug ("Cannot create WM_DELETE_WINDOW\n");
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//XSetWMProtocols (priv->device, priv->internal_win_id, &wm_delete, 1);
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wm_delete_and_gl[1] = XInternAtom (priv->device, "WM_GL_WINDOW", False);
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if (wm_delete_and_gl[1] == None)
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g_debug ("Cannot create WM_GL_WINDOW\n");
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@ -334,8 +315,8 @@ gst_gl_window_new (gint width, gint height)
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g_debug ("direct rendering failed\n");
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size_hints.flags = USPosition | USSize;
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size_hints.x = x;
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size_hints.y = y;
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size_hints.x = x; //FIXME: not working
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size_hints.y = y; //FIXME: not working
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size_hints.width = width;
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size_hints.height= height;
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@ -355,7 +336,6 @@ gst_gl_window_new (gint width, gint height)
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g_debug ("failed to make opengl context current\n");
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g_mutex_unlock (priv->x_lock);
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g_mutex_unlock (priv->glwin_lock);
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return window;
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}
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@ -400,12 +380,12 @@ gst_gl_window_set_draw_callback (GstGLWindow *window, GstGLWindowCB callback, gp
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{
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GstGLWindowPrivate *priv = window->priv;
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g_mutex_lock (priv->glwin_lock);
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g_mutex_lock (priv->x_lock);
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priv->draw_cb = callback;
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priv->draw_data = data;
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g_mutex_unlock (priv->glwin_lock);
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g_mutex_unlock (priv->x_lock);
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}
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/* Must be called in the gl thread */
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@ -414,12 +394,12 @@ gst_gl_window_set_resize_callback (GstGLWindow *window, GstGLWindowCB2 callback
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{
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GstGLWindowPrivate *priv = window->priv;
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g_mutex_lock (priv->glwin_lock);
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g_mutex_lock (priv->x_lock);
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priv->resize_cb = callback;
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priv->resize_data = data;
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g_mutex_unlock (priv->glwin_lock);
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g_mutex_unlock (priv->x_lock);
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}
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/* Must be called in the gl thread */
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@ -428,12 +408,12 @@ gst_gl_window_set_close_callback (GstGLWindow *window, GstGLWindowCB callback, g
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{
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GstGLWindowPrivate *priv = window->priv;
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g_mutex_lock (priv->glwin_lock);
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g_mutex_lock (priv->x_lock);
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priv->close_cb = callback;
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priv->close_data = data;
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g_mutex_unlock (priv->glwin_lock);
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g_mutex_unlock (priv->x_lock);
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}
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/* Thread safe */
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@ -444,12 +424,10 @@ gst_gl_window_visible (GstGLWindow *window, gboolean visible)
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{
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GstGLWindowPrivate *priv = window->priv;
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g_mutex_lock (priv->glwin_lock);
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g_mutex_lock (priv->x_lock);
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if (priv->running)
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{
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g_mutex_lock (priv->x_lock);
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g_debug ("set visible %lld\n", (guint64) priv->internal_win_id);
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if (visible)
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@ -458,13 +436,9 @@ gst_gl_window_visible (GstGLWindow *window, gboolean visible)
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XUnmapWindow (priv->device, priv->internal_win_id);
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XSync(priv->device, FALSE);
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g_cond_signal (priv->cond_x_event);
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g_mutex_unlock (priv->x_lock);
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}
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g_mutex_unlock (priv->glwin_lock);
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g_mutex_unlock (priv->x_lock);
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}
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}
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@ -477,14 +451,15 @@ gst_gl_window_draw (GstGLWindow *window)
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{
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GstGLWindowPrivate *priv = window->priv;
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g_mutex_lock (priv->glwin_lock);
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g_mutex_lock (priv->x_lock);
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if (priv->running)
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{
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Display *disp;
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XEvent event;
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XWindowAttributes attr;
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g_mutex_lock (priv->x_lock);
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disp = XOpenDisplay (priv->display_name);
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XGetWindowAttributes (priv->device, priv->internal_win_id, &attr);
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@ -502,12 +477,10 @@ gst_gl_window_draw (GstGLWindow *window)
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XSync (priv->device, FALSE);
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g_cond_signal (priv->cond_x_event);
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g_mutex_unlock (priv->x_lock);
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XCloseDisplay (disp);
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}
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g_mutex_unlock (priv->glwin_lock);
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g_mutex_unlock (priv->x_lock);
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}
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g_debug ("DRAW OUT\n");
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}
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@ -517,147 +490,138 @@ gst_gl_window_run_loop (GstGLWindow *window)
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{
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GstGLWindowPrivate *priv = window->priv;
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g_debug ("begin loop\n");
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g_mutex_lock (priv->glwin_lock);
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g_mutex_lock (priv->x_lock);
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while (priv->running)
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{
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gboolean running = priv->running;
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g_mutex_unlock (priv->glwin_lock);
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g_mutex_lock (priv->x_lock);
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while (XPending (priv->device))
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{
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XEvent event;
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XNextEvent(priv->device, &event);
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switch (event.type)
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{
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case ClientMessage:
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{
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Atom wm_delete = XInternAtom (priv->device, "WM_DELETE_WINDOW", True);
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Atom wm_gl = XInternAtom (priv->device, "WM_GL_WINDOW", True);
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if (wm_delete == None)
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g_debug ("Cannot create WM_DELETE_WINDOW\n");
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if (wm_gl == None)
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g_debug ("Cannot create WM_GL_WINDOW\n");
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if (wm_gl != None && event.xclient.message_type == wm_gl)
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{
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if (running)
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{
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GstGLWindowCB custom_cb = (GstGLWindowCB) event.xclient.data.l[0];
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gpointer custom_data = (gpointer) event.xclient.data.l[1];
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if (!custom_cb || !custom_data)
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g_debug ("custom cb not initialized\n");
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custom_cb (custom_data);
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}
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g_cond_signal (priv->cond_send_message);
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}
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else if (wm_delete != None && (Atom) event.xclient.data.l[0] == wm_delete)
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{
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XEvent event;
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g_debug ("Close\n");
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g_mutex_lock (priv->glwin_lock);
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running = priv->running = FALSE;
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g_mutex_unlock (priv->glwin_lock);
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if (priv->close_cb)
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priv->close_cb (priv->close_data);
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XFlush (priv->device);
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while (XCheckTypedEvent (priv->device, ClientMessage, &event))
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{
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g_debug ("discared custom x event\n");
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g_cond_signal (priv->cond_send_message);
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}
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}
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else
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{
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g_debug("not reconized client message\n");
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}
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break;
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}
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case CreateNotify:
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case ConfigureNotify:
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{
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gint width = event.xconfigure.width;
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gint height = event.xconfigure.height;
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if (priv->resize_cb)
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priv->resize_cb (priv->resize_data, width, height);
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break;
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}
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case DestroyNotify:
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g_debug ("DestroyNotify\n");
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break;
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case Expose:
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if (priv->draw_cb)
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{
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priv->draw_cb (priv->draw_data);
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//glFlush();
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glXSwapBuffers (priv->device, priv->internal_win_id);
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}
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break;
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case VisibilityNotify:
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{
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switch (event.xvisibility.state)
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{
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case VisibilityUnobscured:
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if (priv->draw_cb)
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priv->draw_cb (priv->draw_data);
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break;
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case VisibilityPartiallyObscured:
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if (priv->draw_cb)
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priv->draw_cb (priv->draw_data);
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break;
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case VisibilityFullyObscured:
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break;
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default:
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g_debug("unknown xvisibility event: %d\n", event.xvisibility.state);
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break;
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}
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break;
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}
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default:
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break;
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}// switch
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}// while XPending
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g_debug ("wait loop\n");
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if (running && !XPending (priv->device))
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g_cond_wait (priv->cond_x_event, priv->x_lock);
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g_debug ("wake loop\n");
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XEvent event;
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g_mutex_unlock (priv->x_lock);
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g_mutex_lock (priv->glwin_lock);
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g_debug("Before XNextEvent\n");
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/* XSendEvent (which are called in other threads) are done from another display structure */
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XNextEvent(priv->device, &event);
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g_debug("After XNextEvent\n");
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g_mutex_lock (priv->x_lock);
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switch (event.type)
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{
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case ClientMessage:
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{
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Atom wm_delete = XInternAtom (priv->device, "WM_DELETE_WINDOW", True);
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Atom wm_gl = XInternAtom (priv->device, "WM_GL_WINDOW", True);
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if (wm_delete == None)
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g_debug ("Cannot create WM_DELETE_WINDOW\n");
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if (wm_gl == None)
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g_debug ("Cannot create WM_GL_WINDOW\n");
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if (wm_gl != None && event.xclient.message_type == wm_gl)
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{
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if (running)
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{
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GstGLWindowCB custom_cb = (GstGLWindowCB) event.xclient.data.l[0];
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gpointer custom_data = (gpointer) event.xclient.data.l[1];
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if (!custom_cb || !custom_data)
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g_debug ("custom cb not initialized\n");
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custom_cb (custom_data);
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}
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g_debug("signal\n");
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g_cond_signal (priv->cond_send_message);
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}
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else if (wm_delete != None && (Atom) event.xclient.data.l[0] == wm_delete)
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{
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XEvent event;
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g_debug ("Close\n");
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running = priv->running = FALSE;
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if (priv->close_cb)
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priv->close_cb (priv->close_data);
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XFlush (priv->device);
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while (XCheckTypedEvent (priv->device, ClientMessage, &event))
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{
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g_debug ("discared custom x event\n");
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g_cond_signal (priv->cond_send_message);
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}
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}
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else
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{
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g_debug("not reconized client message\n");
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}
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break;
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}
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case CreateNotify:
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case ConfigureNotify:
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{
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gint width = event.xconfigure.width;
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gint height = event.xconfigure.height;
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if (priv->resize_cb)
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priv->resize_cb (priv->resize_data, width, height);
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break;
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}
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case DestroyNotify:
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g_debug ("DestroyNotify\n");
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break;
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case Expose:
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if (priv->draw_cb)
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{
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priv->draw_cb (priv->draw_data);
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//glFlush();
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glXSwapBuffers (priv->device, priv->internal_win_id);
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}
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break;
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case VisibilityNotify:
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{
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switch (event.xvisibility.state)
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{
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case VisibilityUnobscured:
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if (priv->draw_cb)
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priv->draw_cb (priv->draw_data);
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break;
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case VisibilityPartiallyObscured:
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if (priv->draw_cb)
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priv->draw_cb (priv->draw_data);
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break;
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case VisibilityFullyObscured:
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break;
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default:
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g_debug("unknown xvisibility event: %d\n", event.xvisibility.state);
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break;
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}
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break;
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}
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default:
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break;
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}// switch
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}// while running
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g_mutex_unlock (priv->glwin_lock);
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g_mutex_unlock (priv->x_lock);
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g_debug ("end loop\n");
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}
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@ -671,13 +635,12 @@ gst_gl_window_quit_loop (GstGLWindow *window)
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{
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GstGLWindowPrivate *priv = window->priv;
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g_mutex_lock (priv->glwin_lock);
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g_mutex_lock (priv->x_lock);
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priv->running = FALSE;
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if (priv->running)
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priv->running = FALSE;
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g_cond_signal (priv->cond_x_event);
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g_mutex_unlock (priv->glwin_lock);
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g_mutex_unlock (priv->x_lock);
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}
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g_debug ("QUIT LOOP OUT\n");
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}
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@ -692,35 +655,35 @@ gst_gl_window_send_message (GstGLWindow *window, GstGLWindowCB callback, gpointe
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GstGLWindowPrivate *priv = window->priv;
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g_mutex_lock (priv->glwin_lock);
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g_mutex_lock (priv->x_lock);
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if (priv->running)
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{
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Display *disp;
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XEvent event;
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g_mutex_lock (priv->x_lock);
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disp = XOpenDisplay (priv->display_name);
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event.xclient.type = ClientMessage;
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event.xclient.send_event = TRUE;
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event.xclient.display = priv->device;
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event.xclient.display = disp;
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event.xclient.window = priv->internal_win_id;
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event.xclient.message_type = XInternAtom (priv->device, "WM_GL_WINDOW", True);
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event.xclient.format = 32;
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event.xclient.data.l[0] = (long) callback;
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event.xclient.data.l[1] = (long) data;
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|
||||
XSendEvent (priv->device, priv->internal_win_id, FALSE, NoEventMask, &event);
|
||||
XSync (priv->device, FALSE);
|
||||
XSendEvent (disp, priv->internal_win_id, FALSE, NoEventMask, &event);
|
||||
XSync (disp, FALSE);
|
||||
|
||||
g_mutex_unlock (priv->x_lock);
|
||||
XCloseDisplay (disp);
|
||||
|
||||
g_cond_signal (priv->cond_x_event);
|
||||
|
||||
g_cond_wait (priv->cond_send_message, priv->glwin_lock);
|
||||
g_cond_wait (priv->cond_send_message, priv->x_lock);
|
||||
|
||||
}
|
||||
|
||||
g_mutex_unlock (priv->glwin_lock);
|
||||
g_mutex_unlock (priv->x_lock);
|
||||
|
||||
}
|
||||
g_debug ("CUSTOM OUT\n");
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue