wxBoxSizer* s = new wxBoxSizer (wxHORIZONTAL);
_audio_stream = new wxComboBox (_audio_panel, wxID_ANY, wxT (""), wxDefaultPosition, wxDefaultSize, 0, 0, wxCB_READONLY);
s->Add (video_control (_audio_stream), 1);
wxBoxSizer* s = new wxBoxSizer (wxHORIZONTAL);
_audio_stream = new wxComboBox (_audio_panel, wxID_ANY, wxT (""), wxDefaultPosition, wxDefaultSize, 0, 0, wxCB_READONLY);
s->Add (video_control (_audio_stream), 1);