void _bp_dvd_find_navigation (BansheePlayer *player)
{
GstElement *video_sink = NULL;
GstElement *navigation = NULL;
GstNavigation *previous_navigation;
previous_navigation = player->navigation;
g_object_get (player->playbin, "video-sink", &video_sink, NULL);
if (video_sink == NULL) {
player->navigation = NULL;
if (previous_navigation != NULL) {
gst_object_unref (previous_navigation);
}
}
navigation = GST_IS_BIN (video_sink)
? gst_bin_get_by_interface (GST_BIN (video_sink), GST_TYPE_NAVIGATION)
: video_sink;
player->navigation = GST_IS_NAVIGATION (navigation) ? GST_NAVIGATION (navigation) : NULL;
if (previous_navigation != NULL) {
gst_object_unref (previous_navigation);
}
gst_object_unref (video_sink);
}
/**
* gst_v4l2_xoverlay_prepare_xwindow_id:
* @v4l2object: the v4l2object
* @required: %TRUE if display is required (ie. TRUE for v4l2sink, but
* FALSE for any other element with optional overlay capabilities)
*
* Helper function to create a windo if none is set from the application.
*/
void
gst_v4l2_xoverlay_prepare_xwindow_id (GstV4l2Object * v4l2object,
gboolean required)
{
if (!GST_V4L2_IS_OVERLAY (v4l2object))
return;
gst_x_overlay_prepare_xwindow_id (GST_X_OVERLAY (v4l2object->element));
if (required && !v4l2object->xwindow_id) {
GstV4l2Xv *v4l2xv;
Window win;
int width, height;
long event_mask;
if (!v4l2object->xv && GST_V4L2_IS_OPEN (v4l2object))
gst_v4l2_xoverlay_open (v4l2object);
v4l2xv = v4l2object->xv;
/* if xoverlay is not supported, just bail */
if (!v4l2xv)
return;
/* xoverlay is supported, but we don't have a window.. so create one */
GST_DEBUG_OBJECT (v4l2object->element, "creating window");
g_mutex_lock (v4l2xv->mutex);
width = XDisplayWidth (v4l2xv->dpy, DefaultScreen (v4l2xv->dpy));
height = XDisplayHeight (v4l2xv->dpy, DefaultScreen (v4l2xv->dpy));
GST_DEBUG_OBJECT (v4l2object->element, "dpy=%p", v4l2xv->dpy);
win = XCreateSimpleWindow (v4l2xv->dpy,
DefaultRootWindow (v4l2xv->dpy),
0, 0, width, height, 0, 0,
XBlackPixel (v4l2xv->dpy, DefaultScreen (v4l2xv->dpy)));
GST_DEBUG_OBJECT (v4l2object->element, "win=%lu", win);
event_mask = ExposureMask | StructureNotifyMask;
if (GST_IS_NAVIGATION (v4l2object->element)) {
event_mask |= PointerMotionMask |
KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask;
}
XSelectInput (v4l2xv->dpy, win, event_mask);
v4l2xv->event_id = g_timeout_add (45, event_refresh, v4l2object);
XMapRaised (v4l2xv->dpy, win);
XSync (v4l2xv->dpy, FALSE);
g_mutex_unlock (v4l2xv->mutex);
GST_DEBUG_OBJECT (v4l2object->element, "got window");
gst_v4l2_xoverlay_set_window_handle (v4l2object, win);
}
}
static gboolean
gtk_gst_base_widget_motion_event (GtkWidget * widget, GdkEventMotion * event)
{
GtkGstBaseWidget *base_widget = GTK_GST_BASE_WIDGET (widget);
GstElement *element;
if ((element = g_weak_ref_get (&base_widget->element))) {
if (GST_IS_NAVIGATION (element)) {
gdouble x, y;
_display_size_to_stream_size (base_widget, event->x, event->y, &x, &y);
gst_navigation_send_mouse_event (GST_NAVIGATION (element), "mouse-move",
0, x, y);
}
g_object_unref (element);
}
return TRUE;
}
static gboolean
gtk_gst_base_widget_key_event (GtkWidget * widget, GdkEventKey * event)
{
GtkGstBaseWidget *base_widget = GTK_GST_BASE_WIDGET (widget);
GstElement *element;
if ((element = g_weak_ref_get (&base_widget->element))) {
if (GST_IS_NAVIGATION (element)) {
const gchar *str = _gdk_key_to_navigation_string (event->keyval);
const gchar *key_type =
event->type == GDK_KEY_PRESS ? "key-press" : "key-release";
if (!str)
str = event->string;
gst_navigation_send_key_event (GST_NAVIGATION (element), key_type, str);
}
g_object_unref (element);
}
return TRUE;
}
static gboolean
gtk_gst_base_widget_button_event (GtkWidget * widget, GdkEventButton * event)
{
GtkGstBaseWidget *base_widget = GTK_GST_BASE_WIDGET (widget);
GstElement *element;
if ((element = g_weak_ref_get (&base_widget->element))) {
if (GST_IS_NAVIGATION (element)) {
const gchar *key_type =
event->type ==
GDK_BUTTON_PRESS ? "mouse-button-press" : "mouse-button-release";
gdouble x, y;
_display_size_to_stream_size (base_widget, event->x, event->y, &x, &y);
gst_navigation_send_mouse_event (GST_NAVIGATION (element), key_type,
event->button, x, y);
}
g_object_unref (element);
}
return TRUE;
}
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;
}
void
gst_v4l2_xoverlay_set_window_handle (GstV4l2Object * v4l2object, guintptr id)
{
GstV4l2Xv *v4l2xv;
XID xwindow_id = id;
gboolean change = (v4l2object->xwindow_id != xwindow_id);
GST_LOG_OBJECT (v4l2object->element, "Setting XID to %lx",
(gulong) xwindow_id);
if (!v4l2object->xv && GST_V4L2_IS_OPEN (v4l2object))
gst_v4l2_xoverlay_open (v4l2object);
v4l2xv = v4l2object->xv;
if (v4l2xv)
g_mutex_lock (v4l2xv->mutex);
if (change) {
if (v4l2object->xwindow_id && v4l2xv) {
GST_DEBUG_OBJECT (v4l2object->element,
"Deactivating old port %lx", v4l2object->xwindow_id);
XvSelectPortNotify (v4l2xv->dpy, v4l2xv->port, 0);
XvSelectVideoNotify (v4l2xv->dpy, v4l2object->xwindow_id, 0);
XvStopVideo (v4l2xv->dpy, v4l2xv->port, v4l2object->xwindow_id);
}
v4l2object->xwindow_id = xwindow_id;
if (v4l2object->xwindow_id && v4l2xv) {
long event_mask;
GST_DEBUG_OBJECT (v4l2object->element, "Setting up event mask");
event_mask = ExposureMask | StructureNotifyMask;
if (GST_IS_NAVIGATION (v4l2object->element)) {
event_mask |= PointerMotionMask | KeyPressMask | KeyReleaseMask;
if (v4l2xv->internal_window)
event_mask |= ButtonPressMask | ButtonReleaseMask;
}
XSelectInput (v4l2xv->dpy, v4l2object->xwindow_id, event_mask);
if (v4l2xv->event_id)
g_source_remove (v4l2xv->event_id);
v4l2xv->event_id = g_timeout_add (45, event_refresh, v4l2object);
}
}
if (!v4l2xv || xwindow_id == 0) {
if (v4l2xv)
g_mutex_unlock (v4l2xv->mutex);
return;
}
if (change) {
GST_DEBUG_OBJECT (v4l2object->element, "Activating new port %lx",
xwindow_id);
/* draw */
XvSelectPortNotify (v4l2xv->dpy, v4l2xv->port, 1);
XvSelectVideoNotify (v4l2xv->dpy, v4l2object->xwindow_id, 1);
}
update_geometry (v4l2object);
if (v4l2xv->idle_id)
g_source_remove (v4l2xv->idle_id);
v4l2xv->idle_id = g_idle_add (idle_refresh, v4l2object);
g_mutex_unlock (v4l2xv->mutex);
}
