/*************************************************************************
*
* Function: Post_Filter_init
* Purpose: Allocates memory for filter structure and initializes
* state memory
*
**************************************************************************
*/
int Post_Filter_init (Post_FilterState **state)
{
Post_FilterState* s;
if (state == (Post_FilterState **) NULL) {
fprintf(stderr, "Post_Filter_init: invalid parameter\n");
return -1;
}
*state = NULL;
/* allocate memory */
if ((s= (Post_FilterState *) malloc(sizeof(Post_FilterState))) == NULL) {
fprintf(stderr, "Post_Filter_init: can not malloc state structure\n");
return -1;
}
s->preemph_state = NULL;
s->agc_state = NULL;
if (preemphasis_init(&s->preemph_state) || agc_init(&s->agc_state)) {
Post_Filter_exit(&s);
return -1;
}
Post_Filter_reset(s);
*state = s;
return 0;
}
/*************************************************************************
*
* Function: Speech_Decode_Frame_reset
* Purpose: Resetses state memory
*
**************************************************************************
*/
int Speech_Decode_Frame_reset (Speech_Decode_FrameState *state)
{
Decoder_amr_reset(state->decoder_amrState, (enum Mode)0);
Post_Filter_reset(state->post_state);
Post_Process_reset(state->postHP_state);
state->prev_mode = (enum Mode)0;
return 0;
}
