/* * g711.h * * Vovida file  * */#ifndef _G711_H#define _G711_H#ifdef  __cplusplusextern "C"{#endif    unsigned char linear2ulaw( int pcm_val );    int ulaw2linear( unsigned char u_val );    unsigned char linear2alaw( int pcm_val );    int alaw2linear( unsigned char a_val );    int predictor_zero( struct g72x_state *state_ptr );    int predictor_pole( struct g72x_state *state_ptr );    int step_size( struct g72x_state *state_ptr );    int quantize( int d, int y, short *table, int size );    int reconstruct( int sign, int dqln, int y );    void update( int code_size, int y, int wi, int fi,                 int dq, int sr, int dqsez, struct g72x_state *state_ptr );    int tandem_adjust_alaw( int sr, int se, int y, int i, int sign, short *qtab );    int tandem_adjust_ulaw( int sr, int se, int y, int i, int sign, short *qtab );    void g72x_init_state( struct g72x_state *state_ptr);#ifdef __cplusplus};#endif#endif /* !_G711_H */