ref: bbfeadd2e4c2c311ed1a71548c0faafc874a9afa
dir: /lib/openlpc/openlpc.h/
/* * LPC subroutine declarations */ #ifndef OPENLPC_H #define OPENLPC_H #ifdef __cplusplus extern "C" { #endif #define OPENLPC_FRAMESIZE_1_8 250 #define OPENLPC_FRAMESIZE_1_4 320 #define OPENLPC_ENCODED_FRAME_SIZE 7 typedef struct openlpc_e_state openlpc_encoder_state; typedef struct openlpc_d_state openlpc_decoder_state; openlpc_encoder_state *create_openlpc_encoder_state(void); void init_openlpc_encoder_state(openlpc_encoder_state *st, int framelen); int openlpc_encode(const short *in, unsigned char *out, openlpc_encoder_state *st); void destroy_openlpc_encoder_state(openlpc_encoder_state *st); openlpc_decoder_state *create_openlpc_decoder_state(void); void init_openlpc_decoder_state(openlpc_decoder_state *st, int framelen); int openlpc_decode(sp_data *sp, unsigned char *in, short *out, openlpc_decoder_state *st); void destroy_openlpc_decoder_state(openlpc_decoder_state *st); void openlpc_sr(float sr); size_t openlpc_get_encoder_state_size(void); size_t openlpc_get_decoder_state_size(void); #ifdef __cplusplus } /* extern "C" */ #endif #endif /* OPENLPC_H */