int show_audio_crossbar_connection_dialog;
int show_analog_tv_tuner_dialog;
int show_analog_tv_tuner_audio_dialog;
+ char *audio_filter_load_file;
+ char *audio_filter_save_file;
+ char *video_filter_load_file;
+ char *video_filter_save_file;
IBaseFilter *device_filter[2];
IPin *device_pin[2];