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Fixed waveOut for multichannel audio (more than 2 channels)

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This commit is contained in:
Daniel Önnerby 2008-10-06 21:07:18 +00:00
parent 889f4c856d
commit f25b682747
1 changed files with 14 additions and 19 deletions
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33
src/contrib/waveout/WaveOut.cpp
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@ -65,9 +65,8 @@ bool WaveOut::Open(void)
}
m_Buffers = (WAVEHDR *)VirtualAlloc(NULL, m_NumBuffers * sizeof(WAVEHDR), MEM_COMMIT, PAGE_READWRITE);
// m_dwBufferSize = m_BlockSize * m_NumBuffers;
unsigned int bytesPerSample = m_waveFormatPCMEx.Format.nChannels*m_waveFormatPCMEx.Format.wBitsPerSample/16;
unsigned int bytesPerSample = m_waveFormatPCMEx.Format.wBitsPerSample/8;
m_dwBufferSize = m_BlockSize*bytesPerSample;
@ -76,9 +75,8 @@ bool WaveOut::Open(void)
for(unsigned long x=0; x<m_NumBuffers; x++)
{
// m_Buffers[x].dwBufferLength = m_BlockSize * m_NumBuffers;
m_Buffers[x].dwBufferLength = m_BlockSize*bytesPerSample;
m_Buffers[x].lpData = (LPSTR)&m_pfAudioBuffer[x * m_BlockSize];
m_Buffers[x].dwBufferLength = m_dwBufferSize;
m_Buffers[x].lpData = (LPSTR)&(this->m_pfAudioBuffer[x*m_BlockSize]);
m_Buffers[x].dwUser = x;
m_Buffers[x].dwBytesRecorded = 0;
m_Buffers[x].dwFlags = 0;
@ -105,20 +103,17 @@ bool WaveOut::Close(void)
{
m_Playing = false;
again:
if(waveOutReset(m_waveHandle) == MMSYSERR_NOERROR)
{
for(unsigned long x=0; x<m_NumBuffers; x++)
{
if(m_Buffers[x].dwFlags & WHDR_PREPARED)
waveOutUnprepareHeader(m_waveHandle, &m_Buffers[x], sizeof(WAVEHDR));
}
}
do{
if(waveOutReset(m_waveHandle) == MMSYSERR_NOERROR)
{
for(unsigned long x=0; x<m_NumBuffers; x++)
{
if(m_Buffers[x].dwFlags & WHDR_PREPARED)
waveOutUnprepareHeader(m_waveHandle, &m_Buffers[x], sizeof(WAVEHDR));
}
}
} while((r = waveOutClose(m_waveHandle)) != MMSYSERR_NOERROR);
while((r = waveOutClose(m_waveHandle)) != MMSYSERR_NOERROR)
{
goto again;
}
m_waveHandle = NULL;