On Feb 17, 2016, at 7:12 PM, 0222445 <Luis.Valdivia@stud.sbg.ac.at> wrote:There is no context error in the OpenGL draw now (solved with the call wxGLCanvas::SetCurrent(*m_context) but the draw still doesn't works (the object is moved after the manager->stop() and not during the execution) . I still think RtAudio is owning the CPU and blocking the execution of other threads or process. It will be better to do it with PortAudio?