GstGLWindowCocoa
GstGLWindowCocoa * gst_gl_window_cocoa_new (void);
void
gboolean gst_gl_window_cocoa_create_window (GstGLWindowCocoa *window_cocoa);
GstGLWindowCocoa *window_cocoa
struct GstGLWindowCocoa { };
struct GstGLWindowCocoaClass { };