WAV_parsing

// taken from https://stackoverflow.com/q/67542461
typedef struct WAV_HEADER
{
    /* RIFF Chunk Descriptor */
    uint8_t         RIFF[4];        // RIFF Header Magic header
    uint32_t        ChunkSize;      // RIFF Chunk Size
    uint8_t         WAVE[4];        // WAVE Header
    /* "fmt" sub-chunk */
    uint8_t         fmt[4];         // FMT header
    uint32_t        Subchunk1Size;  // Size of the fmt chunk
    uint16_t        AudioFormat;    // Audio format 1=PCM,6=mulaw,7=alaw,     257=IBM Mu-Law, 258=IBM A-Law, 259=ADPCM
    uint16_t        NumOfChan;      // Number of channels 1=Mono 2=Stereo
    uint32_t        SamplesPerSec;  // Sampling Frequency in Hz
    uint32_t        bytesPerSec;    // bytes per second
    uint16_t        blockAlign;     // 2=16-bit mono, 4=16-bit stereo
    uint16_t        bitsPerSample;  // Number of bits per sample
    /* "data" sub-chunk */
    uint8_t         Subchunk2ID[4]; // "data"  string
    uint32_t        Subchunk2Size;  // Sampled data length
} wav_hdr;

//int main() {
//    wav_hdr wavHeader;
//    size_t headerSize = sizeof(wav_hdr), filelength = 0;
//
//    const char* filePath;
//
    //Read the header
//    size_t bytesRead = fread(&wavHeader, 1, headerSize, wavFile);
//    cout << "Header Read " << bytesRead << " bytes." << endl;
    //Read the data
//    uint16_t bytesPerSample = wavHeader.bitsPerSample / 8;      // Number of bytes per sample
//    uint64_t numSamples = wavHeader.ChunkSize / bytesPerSample; // How many samples are in the wav file?
//    static int8_t buffer[4096];
//    while ((bytesRead = fread(buffer, sizeof buffer[0], BUFFER_SIZE / (sizeof buffer[0]), wavFile)) > 0)
//    {
//        * /** DO SOMETHING WITH THE WAVE DATA HERE **/ *
//                cout << "Read " << bytesRead << " bytes." << endl;
//    }
//    filelength = getFileSize(wavFile);
//
//    cout << "File is                    :" << filelength << " bytes." << endl;
//    cout << "RIFF header                :" << wavHeader.RIFF[0] << wavHeader.RIFF[1] << wavHeader.RIFF[2] << wavHeader.RIFF[3] << endl;
//    cout << "WAVE header                :" << wavHeader.WAVE[0] << wavHeader.WAVE[1] << wavHeader.WAVE[2] << wavHeader.WAVE[3] << endl;
//    cout << "FMT                        :" << wavHeader.fmt[0] << wavHeader.fmt[1] << wavHeader.fmt[2] << wavHeader.fmt[3] << endl;
//    cout << "Data size                  :" << wavHeader.ChunkSize << endl;
//
//     Display the sampling Rate from the header
//    cout << "Sampling Rate              :" << wavHeader.SamplesPerSec << endl;
//    cout << "Number of bits used        :" << wavHeader.bitsPerSample << endl;
//    cout << "Number of channels         :" << wavHeader.NumOfChan << endl;
//    cout << "Number of bytes per second :" << wavHeader.bytesPerSec << endl;
//    cout << "Data length                :" << wavHeader.Subchunk2Size << endl;
//    cout << "Audio Format               :" << wavHeader.AudioFormat << endl;
//     Audio format 1=PCM,6=mulaw,7=alaw, 257=IBM Mu-Law, 258=IBM A-Law, 259=ADPCM
//
//    cout << "Block align                :" << wavHeader.blockAlign << endl;
//    cout << "Data string                :" << wavHeader.Subchunk2ID[0] << wavHeader.Subchunk2ID[1] << wavHeader.Subchunk2ID[2] << wavHeader.Subchunk2ID[3] << endl;
//
//    return 0;
//}