count.c

这是G.723和G.729的音频编解码的源代码

/* Version 2.0    Last modified: 6/30/95 */

#include <stdio.h>
#include "typedef.h"
#include "count.h"

/* global counter variable for calculation of complexity weight */

BASIC_OP counter;

const BASIC_OP op_weight = {
  1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
  2,2,2,2,2,2,2,2,2,2,2,2,2,2,
  3,3,3,4,15,18,30,1,2,1,2,2};

/* local variable */

#define NbFuncMax  1024

static Word16 funcid, nbframe;
static Word32 glob_wc, wc[NbFuncMax];
static float total_wmops;

static Word32 LastWOper;


Word32 TotalWeightedOperation()
{
  Word16 i;
  Word32 tot, *ptr, *ptr2;

  tot = 0;
  ptr = (Word32 *)&counter;
  ptr2 = (Word32 *)&op_weight;
  for (i=0; i<(sizeof(counter)/sizeof(Word32)); i++)
  {
    tot += ((*ptr++) * (*ptr2++));
  }

  return ((Word32)tot);
}

Word32 DeltaWeightedOperation()
{
  Word32 NewWOper, delta;

  NewWOper = TotalWeightedOperation();
  delta = NewWOper - LastWOper;
  LastWOper = NewWOper;
  return (delta);
}

void move16(void)
{
  counter.DataMove16++;
}

void move32(void)
{
  counter.DataMove32++;
}


void test(void)
{
  counter.Test++;
}


void logic16(void)
{
  counter.Logic16++;
}


void logic32(void)
{
  counter.Logic32++;
}



void Init_WMOPS_counter(void)
{
  Word16 i;

  /* reset function weight operation counter variable */

  for (i=0; i<NbFuncMax; i++) wc[i] = (Word32)0;
  glob_wc = 0;
  nbframe=0;
  total_wmops = (float)0.0;
}


void Reset_WMOPS_counter(void)
{
  Word16 i;
  Word32 *ptr;

  ptr = (Word32 *)&counter;
  for (i=0; i<(sizeof(counter)/sizeof(Word32)); i++)
  {
    *ptr++ = 0;
  }
  LastWOper = 0;

  funcid = 0;        /* new frame, set function id to zero */
}


Word32 fwc(void)        /* function worst case */
{
  Word32 tot;

  tot = DeltaWeightedOperation();
  if (tot > wc[funcid]) wc[funcid] = tot;

  funcid++;

  return (tot);
}


void WMOPS_output(void)
{
  Word32 i, tot, tot_wc;

  tot = TotalWeightedOperation();
  if (tot > glob_wc) glob_wc = tot;

  printf("Frame=%6d  ",nbframe);
  printf("WMOPS=%.2f",((float)tot)*0.0001);

  nbframe++;
  total_wmops += ((float)tot)*(float)0.0001;
  printf("  Average=%.2f",total_wmops/(float)nbframe);

  printf("  WorstCase=%.2f",((float)glob_wc)*0.0001);
  tot_wc=0;
  for (i=0; i<funcid; i++) tot_wc += wc[(int)i];
  printf("  WorstWC=%.2f\n",((float)tot_wc)*0.0001);
}