wxSizer* _frame_rate_sizer;
wxStaticText* _channels_label;
wxChoice* _audio_channels;
- wxStaticText* _audio_sample_rate_label;
- wxChoice* _audio_sample_rate;
+ wxStaticText* _audio_sample_rate_label = nullptr;
+ wxChoice* _audio_sample_rate = nullptr;
wxStaticText* _processor_label;
wxChoice* _audio_processor;
wxButton* _show_audio;