BOOL WinSound::start(USER_CALLBACK pUserCallback) {
userCallback = pUserCallback;
// bufferSize is number of bytes per buffer
bufferSize = (((WINSOUND_BUFFERLEN * WINSOUND_RATE) / 1000) * WINSOUND_SAMPLE_BYTES * WINSOUND_CHANNELS) / WINSOUND_BUFFERCOUNT;
WAVEFORMATEX wfx;
wfx.wFormatTag = WAVE_FORMAT_PCM;
wfx.nChannels = WINSOUND_CHANNELS;
wfx.nSamplesPerSec = WINSOUND_RATE;
wfx.wBitsPerSample = WINSOUND_CHANNEL_DEPTH;
wfx.nBlockAlign = wfx.nChannels * WINSOUND_SAMPLE_BYTES;
wfx.nAvgBytesPerSec = wfx.nBlockAlign + wfx.nSamplesPerSec;
wfx.cbSize = 0;
MMRESULT errCode = waveOutOpen(&waveOut, WAVE_MAPPER, &wfx, (DWORD) waveOutProc, (DWORD) this, (DWORD) CALLBACK_FUNCTION);
if (errCode != MMSYSERR_NOERROR) {
return FALSE;
}
int i;
for (i = 0; i < WINSOUND_BUFFERCOUNT; i++) {
soundBuffer[i] = malloc(bufferSize);
memset(&waveHeader[i], 0, sizeof(WAVEHDR));
}
// Fill all the sound buffers
currentBuffer = 0;
isStarted = TRUE;
for (i = 0; i < WINSOUND_BUFFERCOUNT; i++) {
fillNextBuffer();
}
return TRUE;
}
void updatePlayback()
{
for(int i=0; i<BufferCount; i++){
if(! _buffers[i].isUsed){
//printf("%c", 'A'+i);
fillNextBuffer(_buffers[i].samples);
writeBuffer(&_buffers[i]);
}
}
}
bool CMMSoundSubSystem::open(USER_CALLBACK pUserCallback,long totalBufferedSoundLen) {
m_pUserCallback = pUserCallback;
m_bufferSize = ((totalBufferedSoundLen * REPLAY_RATE) / 1000) * REPLAY_SAMPLELEN;
m_bufferSize /= REPLAY_NBSOUNDBUFFER;
WAVEFORMATEX wfx;
wfx.wFormatTag = 1; // PCM standart.
wfx.nChannels = 2; // Mono
wfx.nSamplesPerSec = REPLAY_RATE;
wfx.nAvgBytesPerSec = REPLAY_RATE*REPLAY_SAMPLELEN;
wfx.nBlockAlign = REPLAY_SAMPLELEN;
wfx.wBitsPerSample = REPLAY_DEPTH;
wfx.cbSize = 0;
MMRESULT errCode = waveOutOpen( &m_hWaveOut,
WAVE_MAPPER,
&wfx,
(DWORD)waveOutProc,
(DWORD)this, // User data.
(DWORD)CALLBACK_FUNCTION);
if (errCode != MMSYSERR_NOERROR) {
printf(" -> OSME::sound callback-errCode : %d\n", errCode);
return FALSE;
}
// Alloc the sample buffers.
for (int i=0;i<REPLAY_NBSOUNDBUFFER;i++) {
m_pSoundBuffer[i] = malloc(m_bufferSize);
memset(&m_waveHeader[i],0,sizeof(WAVEHDR));
memset(m_pSoundBuffer[i],0,m_bufferSize);
}
// Fill all the sound buffers
m_currentBuffer = 0;
for (int i=0;i<REPLAY_NBSOUNDBUFFER;i++) {
fillNextBuffer();
}
return TRUE;
}
