/**
* gst_gl_window_get_context:
* @window: a #GstGLWindow
*
* Returns: (transfer full): the #GstGLContext associated with this @window
*/
GstGLContext *
gst_gl_window_get_context (GstGLWindow * window)
{
g_return_val_if_fail (GST_GL_IS_WINDOW (window), NULL);
return (GstGLContext *) g_weak_ref_get (&window->context_ref);
}
/**
* gst_gl_window_get_window_handle:
* @window: a #GstGLWindow
*
* Returns: the window handle we are currently rendering into
*/
guintptr
gst_gl_window_get_window_handle (GstGLWindow * window)
{
GstGLWindowClass *window_class;
g_return_val_if_fail (GST_GL_IS_WINDOW (window), 0);
window_class = GST_GL_WINDOW_GET_CLASS (window);
g_return_val_if_fail (window_class->get_window_handle != NULL, 0);
return window_class->get_window_handle (window);
}
/**
* gst_gl_window_draw_unlocked:
* @window: a #GstGLWindow
* @width: requested width of the window
* @height: requested height of the window
*
* Redraw the window contents. Implementations should invoke the draw callback.
*/
void
gst_gl_window_draw_unlocked (GstGLWindow * window, guint width, guint height)
{
GstGLWindowClass *window_class;
g_return_if_fail (GST_GL_IS_WINDOW (window));
window_class = GST_GL_WINDOW_GET_CLASS (window);
g_return_if_fail (window_class->draw_unlocked != NULL);
window_class->draw_unlocked (window, width, height);
}
/**
* gst_gl_window_run:
* @window: a #GstGLWindow
*
* Start the execution of the runloop.
*/
void
gst_gl_window_run (GstGLWindow * window)
{
GstGLWindowClass *window_class;
g_return_if_fail (GST_GL_IS_WINDOW (window));
window_class = GST_GL_WINDOW_GET_CLASS (window);
g_return_if_fail (window_class->run != NULL);
window->priv->alive = TRUE;
window_class->run (window);
}
/**
* gst_gl_window_set_window_handle:
* @window: a #GstGLWindow
* @handle: handle to the window
*
* Sets the window that this @window should render into. Some implementations
* require this to be called with a valid handle before drawing can commence.
*/
void
gst_gl_window_set_window_handle (GstGLWindow * window, guintptr handle)
{
GstGLWindowClass *window_class;
g_return_if_fail (GST_GL_IS_WINDOW (window));
g_return_if_fail (handle != 0);
window_class = GST_GL_WINDOW_GET_CLASS (window);
g_return_if_fail (window_class->set_window_handle != NULL);
window_class->set_window_handle (window, handle);
}
/**
* gst_gl_window_send_message_async:
* @window: a #GstGLWindow
* @callback: (scope async): function to invoke
* @data: (closure): data to invoke @callback with
* @destroy: (destroy): called when @data is not needed anymore
*
* Invoke @callback with @data on the window thread. The callback may not
* have been executed when this function returns.
*/
void
gst_gl_window_send_message_async (GstGLWindow * window, GstGLWindowCB callback,
gpointer data, GDestroyNotify destroy)
{
GstGLWindowClass *window_class;
g_return_if_fail (GST_GL_IS_WINDOW (window));
g_return_if_fail (callback != NULL);
window_class = GST_GL_WINDOW_GET_CLASS (window);
g_return_if_fail (window_class->send_message_async != NULL);
window_class->send_message_async (window, callback, data, destroy);
}
/**
* gst_gl_window_send_message:
* @window: a #GstGLWindow
* @callback: (scope async): function to invoke
* @data: (closure): data to invoke @callback with
*
* Invoke @callback with data on the window thread. @callback is guarenteed to
* have executed when this function returns.
*/
void
gst_gl_window_send_message (GstGLWindow * window, GstGLWindowCB callback,
gpointer data)
{
GstGLWindowClass *window_class;
g_return_if_fail (GST_GL_IS_WINDOW (window));
g_return_if_fail (callback != NULL);
window_class = GST_GL_WINDOW_GET_CLASS (window);
g_return_if_fail (window_class->send_message != NULL);
window_class->send_message (window, callback, data);
}
/**
* gst_gl_window_draw:
* @window: a #GstGLWindow
* @width: requested width of the window
* @height: requested height of the window
*
* Redraw the window contents. Implementations should invoke the draw callback.
*/
void
gst_gl_window_draw (GstGLWindow * window, guint width, guint height)
{
GstGLWindowClass *window_class;
g_return_if_fail (GST_GL_IS_WINDOW (window));
window_class = GST_GL_WINDOW_GET_CLASS (window);
g_return_if_fail (window_class->draw != NULL);
/* avoid to overload the drawer */
if (window->is_drawing) {
return;
}
window_class->draw (window, width, height);
}
/**
* gst_gl_window_set_close_callback:
* @window: a #GstGLWindow
* @callback: (scope notified): function to invoke
* @data: (closure): data to invoke @callback with
* @destroy_notify: (destroy): called when @data is not needed any more
*
* Sets the callback called when the window is about to close.
*/
void
gst_gl_window_set_close_callback (GstGLWindow * window, GstGLWindowCB callback,
gpointer data, GDestroyNotify destroy_notify)
{
g_return_if_fail (GST_GL_IS_WINDOW (window));
GST_GL_WINDOW_LOCK (window);
if (window->close_notify)
window->close_notify (window->close_data);
window->close = callback;
window->close_data = data;
window->close_notify = destroy_notify;
GST_GL_WINDOW_UNLOCK (window);
}
/**
* gst_gl_window_quit:
* @window: a #GstGLWindow
*
* Quit the runloop's execution.
*/
void
gst_gl_window_quit (GstGLWindow * window)
{
GstGLWindowClass *window_class;
g_return_if_fail (GST_GL_IS_WINDOW (window));
window_class = GST_GL_WINDOW_GET_CLASS (window);
g_return_if_fail (window_class->quit != NULL);
GST_GL_WINDOW_LOCK (window);
window->priv->alive = FALSE;
window_class->quit (window);
GST_INFO ("quit sent to gl window loop");
GST_GL_WINDOW_UNLOCK (window);
}
static void
gst_glimage_sink_navigation_send_event (GstNavigation * navigation, GstStructure
* structure)
{
GstGLImageSink *sink = GST_GLIMAGE_SINK (navigation);
GstEvent *event = NULL;
GstPad *pad = NULL;
GstGLWindow *window = gst_gl_context_get_window (sink->context);
guint width, height;
gdouble x, y, xscale, yscale;
g_return_if_fail (GST_GL_IS_WINDOW (window));
width = GST_VIDEO_SINK_WIDTH (sink);
height = GST_VIDEO_SINK_HEIGHT (sink);
gst_gl_window_get_surface_dimensions (window, &width, &height);
event = gst_event_new_navigation (structure);
pad = gst_pad_get_peer (GST_VIDEO_SINK_PAD (sink));
/* Converting pointer coordinates to the non scaled geometry */
if (width != GST_VIDEO_SINK_WIDTH (sink) &&
width != 0 && gst_structure_get_double (structure, "pointer_x", &x)) {
xscale = (gdouble) GST_VIDEO_SINK_WIDTH (sink) / width;
gst_structure_set (structure, "pointer_x", G_TYPE_DOUBLE,
(gdouble) x * xscale, NULL);
}
if (height != GST_VIDEO_SINK_HEIGHT (sink) &&
height != 0 && gst_structure_get_double (structure, "pointer_y", &y)) {
yscale = (gdouble) GST_VIDEO_SINK_HEIGHT (sink) / height;
gst_structure_set (structure, "pointer_y", G_TYPE_DOUBLE,
(gdouble) y * yscale, NULL);
}
if (GST_IS_PAD (pad) && GST_IS_EVENT (event))
gst_pad_send_event (pad, event);
gst_object_unref (pad);
gst_object_unref (window);
}
static void
gst_gl_window_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstGLWindow *window;
GstGLWindowPrivate *priv;
g_return_if_fail (GST_GL_IS_WINDOW (object));
window = GST_GL_WINDOW (object);
priv = window->priv;
switch (prop_id) {
case ARG_DISPLAY:
g_value_set_string (value, priv->display_name);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
