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Make it possible to bin an X11 window to GstVaapiWindowX11 with plain

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g_object_new() and "xid" property. i.e. get foreign window size in
gst_vaapi_window_x11_create().
This commit is contained in:
gb 2010-03-18 13:49:50 +00:00
parent 9ecf541b67
commit b9bf5678f9
3 changed files with 27 additions and 25 deletions
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23
gst-libs/gst/vaapi/gstvaapiwindow.c
View file

@ -51,12 +51,23 @@ gst_vaapi_window_destroy(GstVaapiWindow *window)
}
static gboolean
gst_vaapi_window_create(GstVaapiWindow *window, guint width, guint height)
gst_vaapi_window_create(GstVaapiWindow *window)
{
if (width == 0 || height == 0)
GstVaapiWindowPrivate * const priv = window->priv;
guint width, height;
width = priv->width;
height = priv->height;
if (!GST_VAAPI_WINDOW_GET_CLASS(window)->create(window, &width, &height))
return FALSE;
return GST_VAAPI_WINDOW_GET_CLASS(window)->create(window, width, height);
if (width != priv->width || height != priv->height) {
GST_DEBUG("backend resized window to %ux%u", width, height);
priv->width = width;
priv->height = height;
}
return TRUE;
}
static void
@ -119,11 +130,7 @@ gst_vaapi_window_constructed(GObject *object)
GstVaapiWindow * const window = GST_VAAPI_WINDOW(object);
GObjectClass *parent_class;
window->priv->is_constructed = gst_vaapi_window_create(
window,
window->priv->width,
window->priv->height
);
window->priv->is_constructed = gst_vaapi_window_create(window);
parent_class = G_OBJECT_CLASS(gst_vaapi_window_parent_class);
if (parent_class->constructed)

2
gst-libs/gst/vaapi/gstvaapiwindow.h
View file

@ -78,7 +78,7 @@ struct _GstVaapiWindowClass {
/*< private >*/
GObjectClass parent_class;
gboolean (*create) (GstVaapiWindow *window, guint width, guint height);
gboolean (*create) (GstVaapiWindow *window, guint *width, guint *height);
void (*destroy)(GstVaapiWindow *window);
gboolean (*show) (GstVaapiWindow *window);
gboolean (*hide) (GstVaapiWindow *window);

27
gst-libs/gst/vaapi/gstvaapiwindow_x11.c
View file

@ -96,18 +96,21 @@ gst_vaapi_window_x11_hide(GstVaapiWindow *window)
}
static gboolean
gst_vaapi_window_x11_create(GstVaapiWindow *window, guint width, guint height)
gst_vaapi_window_x11_create(GstVaapiWindow *window, guint *width, guint *height)
{
GstVaapiWindowX11Private * const priv = GST_VAAPI_WINDOW_X11(window)->priv;
Display *dpy;
Display * const dpy = GST_VAAPI_DISPLAY_XDISPLAY(priv->display);
gboolean ok;
if (!priv->create_window && priv->xid)
return TRUE;
dpy = GST_VAAPI_DISPLAY_XDISPLAY(priv->display);
if (!priv->create_window && priv->xid) {
GST_VAAPI_DISPLAY_LOCK(priv->display);
ok = x11_get_geometry(dpy, priv->xid, NULL, NULL, width, height);
GST_VAAPI_DISPLAY_UNLOCK(priv->display);
return ok;
}
GST_VAAPI_DISPLAY_LOCK(priv->display);
priv->xid = x11_create_window(dpy, width, height);
priv->xid = x11_create_window(dpy, *width, *height);
if (priv->xid)
XRaiseWindow(dpy, priv->xid);
GST_VAAPI_DISPLAY_UNLOCK(priv->display);
@ -349,22 +352,14 @@ gst_vaapi_window_x11_new(GstVaapiDisplay *display, guint width, guint height)
GstVaapiWindow *
gst_vaapi_window_x11_new_with_xid(GstVaapiDisplay *display, Window xid)
{
Display *dpy;
guint width, height;
GST_DEBUG("new window from xid 0x%08x", xid);
g_return_val_if_fail(GST_VAAPI_IS_DISPLAY(display), NULL);
dpy = GST_VAAPI_DISPLAY_XDISPLAY(display);
if (!dpy || !x11_get_geometry(dpy, xid, NULL, NULL, &width, &height))
return NULL;
g_return_val_if_fail(xid != None, NULL);
return g_object_new(GST_VAAPI_TYPE_WINDOW_X11,
"display", display,
"xid", xid,
"width", width,
"height", height,
NULL);
}