/*
------------------------------------------------------------------------------
FUNCTION NAME: lsp_reset
------------------------------------------------------------------------------
INPUT AND OUTPUT DEFINITIONS
Inputs:
st = Pointer to type lspState
Outputs:
st = Pointer to type lspState -- values are reset.
Returns:
None
Global Variables Used:
None
Local Variables Needed:
None
------------------------------------------------------------------------------
FUNCTION DESCRIPTION
resets lsp_state data
------------------------------------------------------------------------------
REQUIREMENTS
None
------------------------------------------------------------------------------
REFERENCES
lsp.c, UMTS GSM AMR speech codec, R99 - Version 3.2.0, March 2, 2001
------------------------------------------------------------------------------
PSEUDO-CODE
------------------------------------------------------------------------------
RESOURCES USED [optional]
When the code is written for a specific target processor the
the resources used should be documented below.
HEAP MEMORY USED: x bytes
STACK MEMORY USED: x bytes
CLOCK CYCLES: (cycle count equation for this function) + (variable
used to represent cycle count for each subroutine
called)
where: (cycle count variable) = cycle count for [subroutine
name]
------------------------------------------------------------------------------
CAUTION [optional]
[State any special notes, constraints or cautions for users of this function]
------------------------------------------------------------------------------
*/
Word16 lsp_reset(lspState *st)
{
if (st == (lspState *) NULL)
{
/* fprintf(stderr, "lsp_reset: invalid parameter\n"); */
return -1;
}
/* Init lsp_old[] */
memcpy(st->lsp_old, lsp_init_data, M*sizeof(Word16));
/* Initialize lsp_old_q[] */
memcpy(st->lsp_old_q, st->lsp_old, M*sizeof(Word16));
/* Reset quantization state */
Q_plsf_reset(st->qSt);
return 0;
}
/*
**************************************************************************
*
* Function : Q_plsf_init
* Purpose : Allocates memory and initializes state variables
*
**************************************************************************
*/
int Q_plsf_init (Q_plsfState **state)
{
Q_plsfState* s;
if (state == (Q_plsfState **) NULL){
fprintf(stderr, "Q_plsf_init: invalid parameter\n");
return -1;
}
*state = NULL;
/* allocate memory */
if ((s= (Q_plsfState *) malloc(sizeof(Q_plsfState))) == NULL){
fprintf(stderr, "Q_plsf_init: can not malloc state structure\n");
return -1;
}
Q_plsf_reset(s);
*state = s;
return 0;
}
