Собрать Wav файл при попарном считывании

#ifndef WAV_H
#define WAV_H
#include <fstream>
#include <vector>
class wav
{
public:
     char chunkId[4];
     unsigned long chunkSize;
     char format[4];
     char subchunk1Id[4];
     unsigned long subchunk1Size;
     unsigned short audioFormat;
     unsigned short numChannels;
     unsigned long sampleRate;
     unsigned long byteRate;
     unsigned short blockAlign;
     unsigned short bitsPerSample;
     char subchunk2Id[4];
     unsigned long subchunk2Size;
     std::vector <long> data;
public:
    wav();
    void wav_add(FILE *file_in);
    void wav_out(FILE *file_out);
    void wav_cutoff(FILE *file_out,float time);
 
 
};
 
#endif // WAV_H

#include "wav.h"
#include <string.h>
wav::wav()
{
   chunkId[0]='R';chunkId[1]='I';chunkId[2]='F';chunkId[3]='F';
   chunkSize = 36;
   format[0] ='W';format[1] ='A';format[2] ='V';format[3] ='E';
   subchunk1Id[0]='f';subchunk1Id[1]='m';subchunk1Id[2]='t';subchunk1Id[3]=' ';
    subchunk1Size = 16;
    audioFormat = 1;
    numChannels = 2;
    sampleRate = 44100;
    byteRate = 176400;
    blockAlign = 2;
    bitsPerSample = 16;
    subchunk2Id[0] = 'd';subchunk2Id[1] = 'a'; subchunk2Id[2] = 't';subchunk2Id[3] = 'a';
    subchunk2Size =0;
 
 
}
 
void wav::wav_add(FILE *file_in)
{
    unsigned short o_byte,s_byte;
   fread(&s_byte, sizeof(s_byte), 1, file_in);
   fread(&o_byte, sizeof(o_byte), 1, file_in);
   data.insert(data.end(), (s_byte) | (o_byte << 16));
   chunkSize+=4;
   subchunk2Size+=4;
   return;
 
}
void wav::wav_out(FILE *file_out)
{
    fwrite(&chunkId, sizeof(chunkId), 1, file_out);
    fwrite(&chunkSize, sizeof(chunkSize), 1, file_out);
    fwrite(&format, sizeof(format), 1, file_out);
    fwrite(&subchunk1Id, sizeof(subchunk1Id), 1, file_out);
    fwrite(&subchunk1Size, sizeof(subchunk1Size), 1, file_out);
    fwrite(&audioFormat, sizeof(audioFormat), 1, file_out);
    fwrite(&numChannels, sizeof(numChannels), 1, file_out);
    fwrite(&sampleRate, sizeof(sampleRate), 1, file_out);
    fwrite(&byteRate, sizeof(byteRate), 1, file_out);
    fwrite(&blockAlign, sizeof(blockAlign), 1, file_out);
    fwrite(&bitsPerSample, sizeof(bitsPerSample), 1, file_out);
    fwrite(&subchunk2Id, sizeof(subchunk2Id), 1, file_out);
    fwrite(&subchunk2Size, sizeof(subchunk2Size), 1, file_out);
    fwrite(&data, sizeof(data), 1, file_out);
    return;
 
}

#include <iostream>
#include <wav.h>
using namespace std;
 
int main()
{
    FILE *file_in,*file_out;
    fopen_s(&file_out,"E:\\sin2.wav","wb");
    fopen_s(&file_in, "E:\\sin.raw", "rb");
    wav MyWav;
    for (int i = 0;i<10;i++)
    {
        MyWav.wav_add(file_in);
    }
       MyWav.wav_out(file_out);
   
 
 
    return 0;
}

std::vector <long> data;
fwrite(&data, sizeof(data), 1, file_out);

fwrite(&data, sizeof(long)*data.size(), 1, file_out);

    for (int i = 0; i < data.size();i++)
        fwrite(&data[i], sizeof(long), 1, file_out);

#include "wav.h"
#include <string.h>
#include <iostream>
wav::wav()
{
    chunkId[0] = 'R'; chunkId[1] = 'I'; chunkId[2] = 'F'; chunkId[3] = 'F';
    chunkSize = 36;
    format[0] = 'W'; format[1] = 'A'; format[2] = 'V'; format[3] = 'E';
    subchunk1Id[0] = 'f'; subchunk1Id[1] = 'm'; subchunk1Id[2] = 't'; subchunk1Id[3] = ' ';
    subchunk1Size = 16;
    audioFormat = 1;
    numChannels = 2;
    sampleRate = 44100;
    byteRate = 176400;
    blockAlign = 2;
    bitsPerSample = 16;
    subchunk2Id[0] = 'd'; subchunk2Id[1] = 'a'; subchunk2Id[2] = 't'; subchunk2Id[3] = 'a';
    subchunk2Size = 0;
 
 
}
void wav::wav_add(FILE *file_in)
{
    unsigned short o_byte, s_byte;
    fread(&s_byte, sizeof(s_byte), 1, file_in);
    fread(&o_byte, sizeof(o_byte), 1, file_in);
    data.insert(data.end(), s_byte);
    data.insert(data.end(), o_byte);
    chunkSize += 4;
    subchunk2Size += 4;
    return;
}
void wav::wav_out(FILE *file_out)
{
    fwrite(&chunkId, sizeof(chunkId), 1, file_out);
    fwrite(&chunkSize, sizeof(chunkSize), 1, file_out);
    fwrite(&format, sizeof(format), 1, file_out);
    fwrite(&subchunk1Id, sizeof(subchunk1Id), 1, file_out);
    fwrite(&subchunk1Size, sizeof(subchunk1Size), 1, file_out);
    fwrite(&audioFormat, sizeof(audioFormat), 1, file_out);
    fwrite(&numChannels, sizeof(numChannels), 1, file_out);
    fwrite(&sampleRate, sizeof(sampleRate), 1, file_out);
    fwrite(&byteRate, sizeof(byteRate), 1, file_out);
    fwrite(&blockAlign, sizeof(blockAlign), 1, file_out);
    fwrite(&bitsPerSample, sizeof(bitsPerSample), 1, file_out);
    fwrite(&subchunk2Id, sizeof(subchunk2Id), 1, file_out);
    fwrite(&subchunk2Size, sizeof(subchunk2Size), 1, file_out);
    for (int i = 0; i < data.size();i++)
        fwrite(&data[i], sizeof(short), 1, file_out);
    return;
 
}

 std::vector <short> data;

blockAlign = 4;