#define GST_GL_TYPE_CONTEXT (gst_gl_context_get_type())
#define GST_GL_CONTEXT(o) (G_TYPE_CHECK_INSTANCE_CAST((o), GST_GL_TYPE_CONTEXT, GstGLContext))
-#define GST_GL_CONTEXT_CLASS(k) (G_TYPE_CHECK_CLASS((k), GST_GL_TYPE_CONTEXT, GstGLContextClass))
+#define GST_GL_CONTEXT_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), GST_GL_TYPE_CONTEXT, GstGLContextClass))
#define GST_GL_IS_CONTEXT(o) (G_TYPE_CHECK_INSTANCE_TYPE((o), GST_GL_TYPE_CONTEXT))
#define GST_GL_IS_CONTEXT_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE((k), GST_GL_TYPE_CONTEXT))
#define GST_GL_CONTEXT_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS((o), GST_GL_TYPE_CONTEXT, GstGLContextClass))