void XvWindow::setsize(int w, int h)
{
CaptureWindow::setsize(w, h);
/* Start the video display */
Tk_MakeWindowExist(tk_);
XvPutVideo(dpy_, grabID_, Tk_WindowId(tk_), gc_,
0, 0, base_width_, base_height_,
0, 0, width_, height_);
}
void
gst_v4l2_xoverlay_set_xwindow_id (GstV4l2Object * v4l2object, XID xwindow_id)
{
GstV4l2Xv *v4l2xv;
XWindowAttributes attr;
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 (!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);
}
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);
if (v4l2xv->idle_id)
g_source_remove (v4l2xv->idle_id);
v4l2xv->idle_id = g_idle_add (idle_refresh, v4l2object);
g_mutex_unlock (v4l2xv->mutex);
}
static void
gst_v4l_xoverlay_set_window_handle (GstXOverlay * overlay, guintptr id)
{
XID xwindow_id = id;
GstV4lElement *v4lelement = GST_V4LELEMENT (overlay);
GstV4lXv *v4lxv;
XWindowAttributes attr;
gboolean change = (v4lelement->xwindow_id != xwindow_id);
GST_LOG_OBJECT (v4lelement, "Changing port to %lx", xwindow_id);
if (!v4lelement->xv && GST_V4L_IS_OPEN (v4lelement))
gst_v4l_xoverlay_open (v4lelement);
v4lxv = v4lelement->xv;
if (v4lxv)
g_mutex_lock (v4lxv->mutex);
if (change) {
if (v4lelement->xwindow_id && v4lxv) {
GST_DEBUG_OBJECT (v4lelement,
"Disabling port %lx", v4lelement->xwindow_id);
XvSelectPortNotify (v4lxv->dpy, v4lxv->port, 0);
XvSelectVideoNotify (v4lxv->dpy, v4lelement->xwindow_id, 0);
XvStopVideo (v4lxv->dpy, v4lxv->port, v4lelement->xwindow_id);
}
v4lelement->xwindow_id = xwindow_id;
}
if (!v4lxv || xwindow_id == 0) {
if (v4lxv)
g_mutex_unlock (v4lxv->mutex);
return;
}
if (change) {
GST_DEBUG_OBJECT (v4lelement, "Enabling port %lx", xwindow_id);
/* draw */
XvSelectPortNotify (v4lxv->dpy, v4lxv->port, 1);
XvSelectVideoNotify (v4lxv->dpy, v4lelement->xwindow_id, 1);
}
XGetWindowAttributes (v4lxv->dpy, v4lelement->xwindow_id, &attr);
XvPutVideo (v4lxv->dpy, v4lxv->port, v4lelement->xwindow_id,
DefaultGC (v4lxv->dpy, DefaultScreen (v4lxv->dpy)),
0, 0, attr.width, attr.height, 0, 0, attr.width, attr.height);
if (v4lxv->idle_id)
g_source_remove (v4lxv->idle_id);
v4lxv->idle_id = g_idle_add (idle_refresh, v4lelement);
g_mutex_unlock (v4lxv->mutex);
}
static void
update_geometry (GstV4l2Object * v4l2object)
{
GstV4l2Xv *v4l2xv = v4l2object->xv;
GstVideoRectangle rect;
if (!get_render_rect (v4l2object, &rect))
return;
/* note: we don't pass in valid video x/y/w/h.. currently the xserver
* doesn't need to know these, as they come from v4l2 by setting the
* crop..
*/
XvPutVideo (v4l2xv->dpy, v4l2xv->port, v4l2object->xwindow_id,
DefaultGC (v4l2xv->dpy, DefaultScreen (v4l2xv->dpy)),
0, 0, rect.w, rect.h, rect.x, rect.y, rect.w, rect.h);
}
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;
}