BOOL CWaveOut::Play(char* buf,UINT uSize)
{
if (!m_bDevOpen)
{
TRACE("CWaveOut::Play: Device hasn't been open.\n");
return FALSE;
}
if (GetBufferNum () > PLAY_DELAY)
{
// TRACE("CWaveOut::Play: Delay too big pass over.\n");
return TRUE;
}
char* p;
LPWAVEHDR pwh=new WAVEHDR;
if(!pwh)
{
TRACE("CWaveOut::Play: alloc WAVEHDR memoyr error.\n");
return FALSE;
}
p=new char[uSize];
if(!p)
{
TRACE("CWaveOut::Play: alloc data memoyr error.\n");
return FALSE;
}
CopyMemory(p,buf,uSize);
ZeroMemory(pwh,sizeof(WAVEHDR));
pwh->dwBufferLength=uSize;
pwh->lpData=p;
pwh->dwBytesRecorded = 0 ;
pwh->dwUser = 0 ;
pwh->dwFlags = WHDR_BEGINLOOP | WHDR_ENDLOOP ;
pwh->dwLoops = 1 ;
pwh->lpNext = NULL ;
pwh->reserved = 0 ;
m_mmr=waveOutPrepareHeader(m_hOut,pwh,sizeof(WAVEHDR));
if (m_mmr)
{
TRACE("CWaveOut::CloseDev: waveOutPrepareHeader error.\n");
return FALSE;
}
m_mmr=waveOutWrite(m_hOut,pwh,sizeof(WAVEHDR));
if (m_mmr)
{
TRACE("CWaveOut::CloseDev: waveOutWrite error.\n");
return FALSE;
}
m_iBufferNum ++;
return TRUE;
}
BOOL CViWavePlay::PlayAudio(char* buf,unsigned int nSize)
{
if( !m_bDevOpen )
{
return FALSE;
}
if( GetBufferNum() >= 5 )//超过缓冲最大包，不继续播放
{
return FALSE;
}
MMRESULT mRet;
char* lpData = NULL;
WAVEHDR* pWaveHead = new WAVEHDR;
ZeroMemory(pWaveHead,sizeof(WAVEHDR));
lpData = new char[nSize];
pWaveHead->dwBufferLength = nSize;
memcpy(lpData,buf,nSize);
pWaveHead->lpData = lpData;
mRet = waveOutPrepareHeader(m_hWave,pWaveHead,sizeof(WAVEHDR));
if( mRet != MMSYSERR_NOERROR )
{
return FALSE;
}
mRet = waveOutWrite(m_hWave,pWaveHead,sizeof(WAVEHDR));
if( mRet != MMSYSERR_NOERROR )
{
return FALSE;
}
AddBuffer();
return TRUE;
}
