|  |  |  | GStreamer Good Plugins 1.0 Plugins Reference Manual |  | 
|---|---|---|---|---|
| Top | Description | Object Hierarchy | Signals | ||||
GObject +----GInitiallyUnowned +----GstObject +----GstElement +----GstBaseTransform +----GstVideoFilter +----GstCairoOverlay
| name | sink | 
| direction | sink | 
| presence | always | 
| details | video/x-raw, format=(string){ BGRx, BGRA }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ] | 
| name | src | 
| direction | source | 
| presence | always | 
| details | video/x-raw, format=(string){ BGRx, BGRA }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ] | 
"caps-changed" signalvoid user_function (GstCairoOverlay *gstcairooverlay, GstCaps *arg1, gpointer user_data)
| 
 | the object which received the signal. | 
| 
 | user data set when the signal handler was connected. | 
"draw" signalvoid user_function (GstCairoOverlay *gstcairooverlay, CairoContext *arg1, guint64 arg2, guint64 arg3, gpointer user_data)
| 
 | the object which received the signal. | 
| 
 | user data set when the signal handler was connected. |