/*
**************************************************************************
*
* Function : D_plsf_init
* Purpose : Allocates and initializes state memory
*
**************************************************************************
*/
int D_plsf_init (D_plsfState **state)
{
D_plsfState* s;
if (state == (D_plsfState **) NULL){
fprintf(stderr, "D_plsf_init: invalid parameter\n");
return -1;
}
*state = NULL;
/* allocate memory */
if ((s= (D_plsfState *) malloc(sizeof(D_plsfState))) == NULL){
fprintf(stderr, "D_plsf_init: can not malloc state structure\n");
return -1;
}
D_plsf_reset(s);
*state = s;
return 0;
}
/*
**************************************************************************
*
* Function : Decoder_amr_reset
* Purpose : Resets state memory
*
**************************************************************************
*/
int Decoder_amr_reset (Decoder_amrState *state, enum Mode mode)
{
Word16 i;
if (state == (Decoder_amrState *) NULL){
fprintf(stderr, "Decoder_amr_reset: invalid parameter\n");
return -1;
}
/* Initialize static pointer */
state->exc = state->old_exc + PIT_MAX + L_INTERPOL;
/* Static vectors to zero */
Set_zero (state->old_exc, PIT_MAX + L_INTERPOL);
if (mode != MRDTX)
Set_zero (state->mem_syn, M);
/* initialize pitch sharpening */
state->sharp = SHARPMIN;
state->old_T0 = 40;
/* Initialize state->lsp_old [] */
if (mode != MRDTX) {
Copy(lsp_init_data, &state->lsp_old[0], M);
}
/* Initialize memories of bad frame handling */
state->prev_bf = 0;
state->prev_pdf = 0;
state->state = 0;
state->T0_lagBuff = 40;
state->inBackgroundNoise = 0;
state->voicedHangover = 0;
if (mode != MRDTX) {
for (i=0;i<9;i++)
state->excEnergyHist[i] = 0;
}
for (i = 0; i < 9; i++)
state->ltpGainHistory[i] = 0;
Cb_gain_average_reset(state->Cb_gain_averState);
if (mode != MRDTX)
lsp_avg_reset(state->lsp_avg_st);
D_plsf_reset(state->lsfState);
ec_gain_pitch_reset(state->ec_gain_p_st);
ec_gain_code_reset(state->ec_gain_c_st);
if (mode != MRDTX)
gc_pred_reset(state->pred_state);
Bgn_scd_reset(state->background_state);
state->nodataSeed = 21845;
ph_disp_reset(state->ph_disp_st);
if (mode != MRDTX)
dtx_dec_reset(state->dtxDecoderState);
return 0;
}
