static void deinit (gpointer data) { GstGLContext *context = data; GstGLFuncs *gl = context->gl_vtable; if (vao) gl->DeleteVertexArrays (1, &vao); gst_object_unref (fbo); gst_object_unref (shader); gst_memory_unref (GST_MEMORY_CAST (gl_tex)); gst_memory_unref (GST_MEMORY_CAST (gl_tex2)); }