#include <fstream>
#include <string>
#include <iostream>

struct WaveHeader
{
    char ChunkID_ [4];
    int ChunkDataSize_;
    char Format_ [4];
    char SubChunk1ID_ [4];
    int SubChunk1Size_;
    short int AudioFormat_;
    short int NumChannels_;
    int SampleRate_;
    int ByteRate_;
    short int BlockAlign_;
    short int BitsPerSample_;
    char SubChank2ID_ [4];
    int SubChank2Size_;
};

int main()
{
    std::ifstream input_file;
    int length = 0;
    WaveHeader header;

    input_file.open("c:\\1.wav", std::fstream::binary);

    input_file.seekg (0, std::ios::end);
    length = input_file.tellg();

    std::cout << sizeof(int) << " " << sizeof(short int) << std::endl;
    std::cout << length << std::endl;

    if (length > sizeof(WaveHeader))
    {
        input_file.seekg (0, std::ios::beg);
        input_file.read(reinterpret_cast<char*>(&header), sizeof(WaveHeader));
        std::cout << input_file.gcount() << std::endl;
        std::cout << header.SubChank2Size_ << std::endl;

        std::cout << std::boolalpha << ( header.SubChank2Size_ == length - sizeof(WaveHeader) ) << std::endl;

        char* wav_buffer = new char[length - sizeof(WaveHeader)];
        input_file.read(wav_buffer, length - sizeof(WaveHeader));

        std::cout << input_file.gcount() << std::endl;
        delete[] wav_buffer;
    }
    input_file.close();
}