read_dat.c

关于AMR-WB+语音压缩编码的实现代码

/*-----------------------------------------------------------------------
 * FUNCTION:   read_data
 *
 * PURPOSE:   reads  "size" 16-bit speech samples from the file "fp" and
 *            output to the array "data[]"
 *
 *-------------------------------------------------------------------------*/
#include <stdio.h>
#include "../include/amr_plus.h"
int read_data(      /* return: number of data successfully read */
  FILE  *fp,        /* input : data file (16-bit words)         */
  float data[],     /* output: speech data                      */
  int   size        /* input : number of samples                */
)
{
  int   i, n;
  short data16[4*L_FRAME_FSMAX];
  n = fread((void *)data16, sizeof(short), size, fp);
  for (i = 0; i < n; i++)  
  {
	  data[i] = (float) data16[i];
  }
  for (i = n; i < size; i++)  
  {
	  data[i] = 0.0;
  }
  return n;
}