static gboolean
idle_refresh (gpointer data)
{
GstV4l2Object *v4l2object = GST_V4L2_OBJECT (data);
GstV4l2Xv *v4l2xv = v4l2object->xv;
GST_LOG_OBJECT (v4l2object->element, "idle refresh");
if (v4l2xv) {
g_mutex_lock (v4l2xv->mutex);
update_geometry (v4l2object);
v4l2xv->idle_id = 0;
g_mutex_unlock (v4l2xv->mutex);
}
/* once */
return FALSE;
}
static gboolean
idle_refresh (gpointer data)
{
GstV4l2Object *v4l2object = GST_V4L2_OBJECT (data);
GstV4l2Xv *v4l2xv = v4l2object->xv;
XWindowAttributes attr;
if (v4l2xv) {
g_mutex_lock (v4l2xv->mutex);
XGetWindowAttributes (v4l2xv->dpy, v4l2object->xwindow_id, &attr);
XvPutVideo (v4l2xv->dpy, v4l2xv->port, v4l2object->xwindow_id,
DefaultGC (v4l2xv->dpy, DefaultScreen (v4l2xv->dpy)),
0, 0, attr.width, attr.height, 0, 0, attr.width, attr.height);
v4l2xv->idle_id = 0;
g_mutex_unlock (v4l2xv->mutex);
}
/* once */
return FALSE;
}
static gboolean
event_refresh (gpointer data)
{
GstV4l2Object *v4l2object = GST_V4L2_OBJECT (data);
GstV4l2Xv *v4l2xv = v4l2object->xv;
GST_LOG_OBJECT (v4l2object->element, "event refresh");
if (v4l2xv) {
XEvent e;
g_mutex_lock (v4l2xv->mutex);
/* If the element supports navigation, collect the relavent input
* events and push them upstream as navigation events
*/
if (GST_IS_NAVIGATION (v4l2object->element)) {
guint pointer_x = 0, pointer_y = 0;
gboolean pointer_moved = FALSE;
/* We get all pointer motion events, only the last position is
* interesting.
*/
while (XCheckWindowEvent (v4l2xv->dpy, v4l2object->xwindow_id,
PointerMotionMask, &e)) {
switch (e.type) {
case MotionNotify:
pointer_x = e.xmotion.x;
pointer_y = e.xmotion.y;
pointer_moved = TRUE;
break;
default:
break;
}
}
if (pointer_moved) {
GST_DEBUG_OBJECT (v4l2object->element,
"pointer moved over window at %d,%d", pointer_x, pointer_y);
g_mutex_unlock (v4l2xv->mutex);
gst_navigation_send_mouse_event (GST_NAVIGATION (v4l2object->element),
"mouse-move", 0, e.xbutton.x, e.xbutton.y);
g_mutex_lock (v4l2xv->mutex);
}
/* We get all events on our window to throw them upstream
*/
while (XCheckWindowEvent (v4l2xv->dpy, v4l2object->xwindow_id,
KeyPressMask | KeyReleaseMask |
ButtonPressMask | ButtonReleaseMask, &e)) {
KeySym keysym;
const char *key_str = NULL;
g_mutex_unlock (v4l2xv->mutex);
switch (e.type) {
case ButtonPress:
GST_DEBUG_OBJECT (v4l2object->element,
"button %d pressed over window at %d,%d",
e.xbutton.button, e.xbutton.x, e.xbutton.y);
gst_navigation_send_mouse_event (GST_NAVIGATION
(v4l2object->element), "mouse-button-press", e.xbutton.button,
e.xbutton.x, e.xbutton.y);
break;
case ButtonRelease:
GST_DEBUG_OBJECT (v4l2object->element,
"button %d released over window at %d,%d",
e.xbutton.button, e.xbutton.x, e.xbutton.y);
gst_navigation_send_mouse_event (GST_NAVIGATION
(v4l2object->element), "mouse-button-release", e.xbutton.button,
e.xbutton.x, e.xbutton.y);
break;
case KeyPress:
case KeyRelease:
g_mutex_lock (v4l2xv->mutex);
keysym = XkbKeycodeToKeysym (v4l2xv->dpy, e.xkey.keycode, 0, 0);
if (keysym != NoSymbol) {
key_str = XKeysymToString (keysym);
} else {
key_str = "unknown";
}
g_mutex_unlock (v4l2xv->mutex);
GST_DEBUG_OBJECT (v4l2object->element,
"key %d pressed over window at %d,%d (%s)",
e.xkey.keycode, e.xkey.x, e.xkey.y, key_str);
gst_navigation_send_key_event (GST_NAVIGATION (v4l2object->element),
e.type == KeyPress ? "key-press" : "key-release", key_str);
break;
default:
GST_DEBUG_OBJECT (v4l2object->element,
"unhandled X event (%d)", e.type);
}
g_mutex_lock (v4l2xv->mutex);
}
}
/* Handle ConfigureNotify */
while (XCheckWindowEvent (v4l2xv->dpy, v4l2object->xwindow_id,
StructureNotifyMask, &e)) {
switch (e.type) {
case ConfigureNotify:
update_geometry (v4l2object);
break;
default:
break;
}
}
g_mutex_unlock (v4l2xv->mutex);
}
/* repeat */
return TRUE;
}
