/*   ITU-T G.729 Annex C+ - Reference C code for floating point                         implementation of G.729 Annex C+                         (integration of Annexes B, D and E)                         Version 2.1 of October 1999*//* File : VAD.H*/#define     NP            12                  /* Increased LPC order */#define     NOISE         0#define     VOICE         1#define     INIT_FRAME    32#define     INIT_COUNT    20#define     ZC_START      120#define     ZC_END        200/* VAD static variables */struct vad_state_t{	FLOAT MeanLSF[M];	FLOAT Min_buffer[16];	FLOAT Prev_Min, Next_Min, Min;	FLOAT MeanE, MeanSE, MeanSLE, MeanSZC;	FLOAT prev_energy;	int count_sil, count_update, count_ext;	int flag, v_flag, less_count;};void vad_init(struct vad_state_t *);void vad(struct vad_state_t *, FLOAT  rc, FLOAT *lsf, FLOAT *rxx, FLOAT *sigpp, int frm_count,    int prev_marker, int pprev_marker, int *marker, FLOAT *Energy_db);