1 typedef struct {
2 	void *library;
3 	char *par;
4 	void *lib_data;
5 
6 	void * (*init_library)(int bits_per_sample, int n_channels, int sample_rate, char *par);
7 	void (*do_filter)(void *lib_data, void *sample_data, int n_samples);
8 
9 } filter_lib;
10