Method WinAudio

WinAudio.cpp:8–26

WinAudio* WinAudio::WIN_AUDIO = NULL;

WinAudio::WinAudio(HWND hwnd, int sample_rate) {
  //Initialize variables
  m_CurWaveOut = 0;
  m_SampleRate = sample_rate;
  m_IsReleasing = false;

  //Specify output parameters
  m_Format.wFormatTag = WAVE_FORMAT_PCM;        // simple, uncompressed format
  m_Format.nChannels = 2;                       // 1=mono, 2=stereo
  m_Format.nSamplesPerSec = sample_rate;        // sample rate
  m_Format.nAvgBytesPerSec = sample_rate * 2;   // nSamplesPerSec * n.Channels * wBitsPerSample/8
  m_Format.nBlockAlign = 4;                     // n.Channels * wBitsPerSample/8
  m_Format.wBitsPerSample = 16;                 // 16 for high quality, 8 for telephone-grade
  m_Format.cbSize = 0;                          // must be set to zero

  //Set handle
  assert(WIN_AUDIO == NULL);
  WIN_AUDIO = this;
}

WinAudio::~WinAudio() {
  stop();