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[269/906] Better deal with XNextEvent and XSendEvent

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Julien Isorce 2008-11-15 18:51:44 +01:00 committed by Matthew Waters
parent 6eb98ba7ad
commit e7c8f724e1
1 changed files with 151 additions and 188 deletions
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129
gst-libs/gst/gl/gstglwindow_x11.c
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@ -37,9 +37,7 @@ enum
struct _GstGLWindowPrivate struct _GstGLWindowPrivate
{ {
GMutex *glwin_lock;
GMutex *x_lock; GMutex *x_lock;
GCond *cond_x_event;
GCond *cond_send_message; GCond *cond_send_message;
gboolean running; gboolean running;
@ -83,7 +81,6 @@ gst_gl_window_finalize (GObject * object)
GstGLWindowPrivate *priv = window->priv; GstGLWindowPrivate *priv = window->priv;
XEvent event; XEvent event;
g_mutex_lock (priv->glwin_lock);
g_mutex_lock (priv->x_lock); g_mutex_lock (priv->x_lock);
g_debug ("gl window finalizing\n"); g_debug ("gl window finalizing\n");
@ -120,7 +117,6 @@ gst_gl_window_finalize (GObject * object)
g_debug ("display closed\n"); g_debug ("display closed\n");
g_mutex_unlock (priv->x_lock); g_mutex_unlock (priv->x_lock);
g_mutex_unlock (priv->glwin_lock);
if (priv->cond_send_message) if (priv->cond_send_message)
{ {
@ -134,18 +130,6 @@ gst_gl_window_finalize (GObject * object)
priv->x_lock = NULL; priv->x_lock = NULL;
} }
if (priv->cond_x_event)
{
g_cond_free (priv->cond_x_event);
priv->cond_x_event = NULL;
}
if (priv->glwin_lock)
{
g_mutex_free (priv->glwin_lock);
priv->glwin_lock = NULL;
}
G_OBJECT_CLASS (gst_gl_window_parent_class)->finalize (object); G_OBJECT_CLASS (gst_gl_window_parent_class)->finalize (object);
g_debug ("lock deleted\n"); g_debug ("lock deleted\n");
@ -262,13 +246,12 @@ gst_gl_window_new (gint width, gint height)
static gint x = 0; static gint x = 0;
static gint y = 0; static gint y = 0;
priv->glwin_lock = g_mutex_new ();
priv->x_lock = g_mutex_new (); priv->x_lock = g_mutex_new ();
priv->cond_x_event = g_cond_new ();
priv->cond_send_message = g_cond_new (); priv->cond_send_message = g_cond_new ();
priv->running = TRUE; priv->running = TRUE;
g_mutex_lock (priv->glwin_lock); //XInitThreads ();
g_mutex_lock (priv->x_lock); g_mutex_lock (priv->x_lock);
x += 20; x += 20;
@ -318,8 +301,6 @@ gst_gl_window_new (gint width, gint height)
if (wm_delete_and_gl[0] == None) if (wm_delete_and_gl[0] == None)
g_debug ("Cannot create WM_DELETE_WINDOW\n"); g_debug ("Cannot create WM_DELETE_WINDOW\n");
//XSetWMProtocols (priv->device, priv->internal_win_id, &wm_delete, 1);
wm_delete_and_gl[1] = XInternAtom (priv->device, "WM_GL_WINDOW", False); wm_delete_and_gl[1] = XInternAtom (priv->device, "WM_GL_WINDOW", False);
if (wm_delete_and_gl[1] == None) if (wm_delete_and_gl[1] == None)
g_debug ("Cannot create WM_GL_WINDOW\n"); g_debug ("Cannot create WM_GL_WINDOW\n");
@ -334,8 +315,8 @@ gst_gl_window_new (gint width, gint height)
g_debug ("direct rendering failed\n"); g_debug ("direct rendering failed\n");
size_hints.flags = USPosition | USSize; size_hints.flags = USPosition | USSize;
size_hints.x = x; size_hints.x = x; //FIXME: not working
size_hints.y = y; size_hints.y = y; //FIXME: not working
size_hints.width = width; size_hints.width = width;
size_hints.height= height; size_hints.height= height;
@ -355,7 +336,6 @@ gst_gl_window_new (gint width, gint height)
g_debug ("failed to make opengl context current\n"); g_debug ("failed to make opengl context current\n");
g_mutex_unlock (priv->x_lock); g_mutex_unlock (priv->x_lock);
g_mutex_unlock (priv->glwin_lock);
return window; return window;
} }
@ -400,12 +380,12 @@ gst_gl_window_set_draw_callback (GstGLWindow *window, GstGLWindowCB callback, gp
{ {
GstGLWindowPrivate *priv = window->priv; GstGLWindowPrivate *priv = window->priv;
g_mutex_lock (priv->glwin_lock); g_mutex_lock (priv->x_lock);
priv->draw_cb = callback; priv->draw_cb = callback;
priv->draw_data = data; priv->draw_data = data;
g_mutex_unlock (priv->glwin_lock); g_mutex_unlock (priv->x_lock);
} }
/* Must be called in the gl thread */ /* Must be called in the gl thread */
@ -414,12 +394,12 @@ gst_gl_window_set_resize_callback (GstGLWindow *window, GstGLWindowCB2 callback
{ {
GstGLWindowPrivate *priv = window->priv; GstGLWindowPrivate *priv = window->priv;
g_mutex_lock (priv->glwin_lock); g_mutex_lock (priv->x_lock);
priv->resize_cb = callback; priv->resize_cb = callback;
priv->resize_data = data; priv->resize_data = data;
g_mutex_unlock (priv->glwin_lock); g_mutex_unlock (priv->x_lock);
} }
/* Must be called in the gl thread */ /* Must be called in the gl thread */
@ -428,12 +408,12 @@ gst_gl_window_set_close_callback (GstGLWindow *window, GstGLWindowCB callback, g
{ {
GstGLWindowPrivate *priv = window->priv; GstGLWindowPrivate *priv = window->priv;
g_mutex_lock (priv->glwin_lock); g_mutex_lock (priv->x_lock);
priv->close_cb = callback; priv->close_cb = callback;
priv->close_data = data; priv->close_data = data;
g_mutex_unlock (priv->glwin_lock); g_mutex_unlock (priv->x_lock);
} }
/* Thread safe */ /* Thread safe */
@ -444,12 +424,10 @@ gst_gl_window_visible (GstGLWindow *window, gboolean visible)
{ {
GstGLWindowPrivate *priv = window->priv; GstGLWindowPrivate *priv = window->priv;
g_mutex_lock (priv->glwin_lock); g_mutex_lock (priv->x_lock);
if (priv->running) if (priv->running)
{ {
g_mutex_lock (priv->x_lock);
g_debug ("set visible %lld\n", (guint64) priv->internal_win_id); g_debug ("set visible %lld\n", (guint64) priv->internal_win_id);
if (visible) if (visible)
@ -458,13 +436,9 @@ gst_gl_window_visible (GstGLWindow *window, gboolean visible)
XUnmapWindow (priv->device, priv->internal_win_id); XUnmapWindow (priv->device, priv->internal_win_id);
XSync(priv->device, FALSE); XSync(priv->device, FALSE);
g_cond_signal (priv->cond_x_event);
g_mutex_unlock (priv->x_lock);
} }
g_mutex_unlock (priv->glwin_lock); g_mutex_unlock (priv->x_lock);
} }
} }
@ -477,14 +451,15 @@ gst_gl_window_draw (GstGLWindow *window)
{ {
GstGLWindowPrivate *priv = window->priv; GstGLWindowPrivate *priv = window->priv;
g_mutex_lock (priv->glwin_lock); g_mutex_lock (priv->x_lock);
if (priv->running) if (priv->running)
{ {
Display *disp;
XEvent event; XEvent event;
XWindowAttributes attr; XWindowAttributes attr;
g_mutex_lock (priv->x_lock); disp = XOpenDisplay (priv->display_name);
XGetWindowAttributes (priv->device, priv->internal_win_id, &attr); XGetWindowAttributes (priv->device, priv->internal_win_id, &attr);
@ -502,12 +477,10 @@ gst_gl_window_draw (GstGLWindow *window)
XSync (priv->device, FALSE); XSync (priv->device, FALSE);
g_cond_signal (priv->cond_x_event); XCloseDisplay (disp);
g_mutex_unlock (priv->x_lock);
} }
g_mutex_unlock (priv->glwin_lock); g_mutex_unlock (priv->x_lock);
} }
g_debug ("DRAW OUT\n"); g_debug ("DRAW OUT\n");
} }
@ -517,25 +490,27 @@ gst_gl_window_run_loop (GstGLWindow *window)
{ {
GstGLWindowPrivate *priv = window->priv; GstGLWindowPrivate *priv = window->priv;
g_debug ("begin loop\n"); g_debug ("begin loop\n");
g_mutex_lock (priv->glwin_lock); g_mutex_lock (priv->x_lock);
while (priv->running) while (priv->running)
{ {
gboolean running = priv->running; gboolean running = priv->running;
g_mutex_unlock (priv->glwin_lock);
g_mutex_lock (priv->x_lock);
while (XPending (priv->device))
{
XEvent event; XEvent event;
g_mutex_unlock (priv->x_lock);
g_debug("Before XNextEvent\n");
/* XSendEvent (which are called in other threads) are done from another display structure */
XNextEvent(priv->device, &event); XNextEvent(priv->device, &event);
g_debug("After XNextEvent\n");
g_mutex_lock (priv->x_lock);
switch (event.type) switch (event.type)
{ {
case ClientMessage: case ClientMessage:
@ -562,6 +537,8 @@ gst_gl_window_run_loop (GstGLWindow *window)
custom_cb (custom_data); custom_cb (custom_data);
} }
g_debug("signal\n");
g_cond_signal (priv->cond_send_message); g_cond_signal (priv->cond_send_message);
} }
@ -571,9 +548,7 @@ gst_gl_window_run_loop (GstGLWindow *window)
g_debug ("Close\n"); g_debug ("Close\n");
g_mutex_lock (priv->glwin_lock);
running = priv->running = FALSE; running = priv->running = FALSE;
g_mutex_unlock (priv->glwin_lock);
if (priv->close_cb) if (priv->close_cb)
priv->close_cb (priv->close_data); priv->close_cb (priv->close_data);
@ -644,20 +619,9 @@ gst_gl_window_run_loop (GstGLWindow *window)
}// switch }// switch
}// while XPending
g_debug ("wait loop\n");
if (running && !XPending (priv->device))
g_cond_wait (priv->cond_x_event, priv->x_lock);
g_debug ("wake loop\n");
g_mutex_unlock (priv->x_lock);
g_mutex_lock (priv->glwin_lock);
}// while running }// while running
g_mutex_unlock (priv->glwin_lock); g_mutex_unlock (priv->x_lock);
g_debug ("end loop\n"); g_debug ("end loop\n");
} }
@ -671,13 +635,12 @@ gst_gl_window_quit_loop (GstGLWindow *window)
{ {
GstGLWindowPrivate *priv = window->priv; GstGLWindowPrivate *priv = window->priv;
g_mutex_lock (priv->glwin_lock); g_mutex_lock (priv->x_lock);
if (priv->running)
priv->running = FALSE; priv->running = FALSE;
g_cond_signal (priv->cond_x_event); g_mutex_unlock (priv->x_lock);
g_mutex_unlock (priv->glwin_lock);
} }
g_debug ("QUIT LOOP OUT\n"); g_debug ("QUIT LOOP OUT\n");
} }
@ -692,35 +655,35 @@ gst_gl_window_send_message (GstGLWindow *window, GstGLWindowCB callback, gpointe
GstGLWindowPrivate *priv = window->priv; GstGLWindowPrivate *priv = window->priv;
g_mutex_lock (priv->glwin_lock); g_mutex_lock (priv->x_lock);
if (priv->running) if (priv->running)
{ {
Display *disp;
XEvent event; XEvent event;
g_mutex_lock (priv->x_lock); disp = XOpenDisplay (priv->display_name);
event.xclient.type = ClientMessage; event.xclient.type = ClientMessage;
event.xclient.send_event = TRUE; event.xclient.send_event = TRUE;
event.xclient.display = priv->device; event.xclient.display = disp;
event.xclient.window = priv->internal_win_id; event.xclient.window = priv->internal_win_id;
event.xclient.message_type = XInternAtom (priv->device, "WM_GL_WINDOW", True); event.xclient.message_type = XInternAtom (priv->device, "WM_GL_WINDOW", True);
event.xclient.format = 32; event.xclient.format = 32;
event.xclient.data.l[0] = (long) callback; event.xclient.data.l[0] = (long) callback;
event.xclient.data.l[1] = (long) data; event.xclient.data.l[1] = (long) data;
XSendEvent (priv->device, priv->internal_win_id, FALSE, NoEventMask, &event); XSendEvent (disp, priv->internal_win_id, FALSE, NoEventMask, &event);
XSync (priv->device, FALSE); XSync (disp, FALSE);
XCloseDisplay (disp);
g_cond_wait (priv->cond_send_message, priv->x_lock);
}
g_mutex_unlock (priv->x_lock); g_mutex_unlock (priv->x_lock);
g_cond_signal (priv->cond_x_event);
g_cond_wait (priv->cond_send_message, priv->glwin_lock);
}
g_mutex_unlock (priv->glwin_lock);
} }
g_debug ("CUSTOM OUT\n"); g_debug ("CUSTOM OUT\n");
} }