BOOL CWaveRecord::SaveRecordData2File(UINT uFileChannel, LPCTSTR lpszFileName)
{
CString strErr;
CString strFileName = lpszFileName;
if(strFileName.Right(4) == _T(".mp3"))
{
m_bCompressMp3 = TRUE;
if(m_format.wBitsPerSample == 8)
{
MyMessageBox(_T("Can not record 8 bits mp3"), eERR_ERROR);
goto end;
}
if(!LoadMp3Dll())
{
MyMessageBox(_T("Load mp3 dll failed"), eERR_ERROR);
goto end;
}
if(!PreEncodeMp3(strFileName, uFileChannel))
{
MyMessageBox(_T("Prepare encoding mp3 failed"), eERR_ERROR);
goto end;
}
}
else
{
m_bCompressMp3 = FALSE;
if(!CreateWaveFile(strFileName, uFileChannel))
{
MyMessageBox(_T("Create wave file failed"), eERR_ERROR);
goto end;
}
}
return TRUE;
end:
Release();
return FALSE;
}
CSoundFile::CSoundFile(LPCTSTR pszFileName, WAVEFORMATEX* format)
{
m_hFile = NULL;
_tcscpy(m_szFileName, pszFileName);
ZeroMemory(&m_MMCKInfoParent,sizeof(MMCKINFO));
ZeroMemory(&m_MMCKInfoChild,sizeof(MMCKINFO));
ZeroMemory(&m_MMCKInfoData,sizeof(MMCKINFO));
if(format == NULL)
{
m_Mode = READ;
OpenWaveFile();
}
else
{
m_Mode = WRITE;
m_Format = *format;
CreateWaveFile();
}
if(m_Mode == ERROR) Close();
}
BOOL CWavFile::Combine(CString strPathL, CString strPathR, CString strPathObj)
{
int nPackNo = 0;
int nPackSize = 0;
int nDataSize = 0;
const int nLen = 65536;
BYTE byDataL[nLen * 2] = {0};
BYTE byDataR[nLen * 2] = {0};
BYTE byDataC[nLen * 4] = {0};
HMMIO hWaveFile = NULL;
LPTSTR pszFilePath = strdup(strPathObj);
if(!m_hWaveFileL || !m_hWaveFileR)
{
return FALSE;
}
// They can combine or not
nDataSize = IsCanCombine(strPathL, strPathR);
if(nDataSize == -1)
{
return FALSE;
}
// Create an object wave file
m_formatL.nChannels = 2;
m_formatL.nBlockAlign *= 2;
m_formatL.nAvgBytesPerSec *= 2;
if(!CreateWaveFile(hWaveFile, pszFilePath, m_formatL))
{
MyMessageBox(_T("Create object file failed: ") + strPathObj, eERR_ERROR);
return FALSE;
}
// Combine them one packet by one
nPackSize = nLen;
nPackNo = (nDataSize + nLen - 1) / nLen;
for(int i = 0; i < nPackNo; i++)
{
// Case of the last packet
if(i == (nPackNo - 1))
{
nPackSize = nDataSize - i * nLen;
}
// Read data from left channel
int nSizeL = nPackSize;
if(ReadDataFromFile(m_hWaveFileL, byDataL, nSizeL))
{
if(nSizeL != nPackSize)
{
memset(byDataL + nSizeL, 0, nPackSize - nSizeL);
}
}
else
{
MyMessageBox(_T("Read sound data from L file failed"), eERR_ERROR);
}
// Read data from right channel
int nSizeR = nPackSize;
if(ReadDataFromFile(m_hWaveFileR, byDataR, nSizeR))
{
if(nSizeR != nPackSize)
{
memset(byDataR + nSizeR, 0, nPackSize - nSizeR);
}
}
else
{
MyMessageBox(_T("Read sound data from R file failed"), eERR_ERROR);
}
// Re-combine left channel data and right channel data
int nCoef = m_formatL.wBitsPerSample / 8;
for(int i = 0; i < (nPackSize / nCoef); i++)
{
if(nCoef == 1)
{
byDataC[2 * i + 0] = byDataL[i];
byDataC[2 * i + 1] = byDataR[i];
}
else
{
byDataC[4 * i + 0] = byDataL[2 * i];
byDataC[4 * i + 2] = byDataR[2 * i];
byDataC[4 * i + 1] = byDataL[2 * i + 1];
byDataC[4 * i + 3] = byDataR[2 * i + 1];
}
}
// Write to object file
if(mmioWrite(hWaveFile, (char*)byDataC, nPackSize * 2) != nPackSize * 2)
{
MyMessageBox(_T("Write object file failed"), eERR_ERROR);
return FALSE;
}
}
// Call mmioAscend function to mark the end of the chunk
// And mmioAscend will corrects the chunk size
mmioAscend(hWaveFile, &m_mmckinfoParent, 0);
mmioAscend(hWaveFile, &m_mmckinfoSubChunk, 0);
mmioClose(hWaveFile, 0);
mmioClose(m_hWaveFileL, 0);
mmioClose(m_hWaveFileR, 0);
return TRUE;
}
