void CAudioFormatDlg::OnOK()
{
m_cFmt.m_sCaptureDevice = GetCurrentCaptureDevice();
m_cFmt.m_sCompressor = GetCurrentCompressor();
m_cFmt.m_iCurrentCompression = GetCurrentCompression();
WAVEFORMATEX *pCurrentFormat = GetCurrentFormat();
if(pCurrentFormat)
{
m_cFmt.m_iFormatTag = pCurrentFormat->wFormatTag;
m_cFmt.m_iNumChannels = pCurrentFormat->nChannels;
m_cFmt.m_iSamplesPerSeconds = pCurrentFormat->nSamplesPerSec;
m_cFmt.m_iAvgBytesPerSec = pCurrentFormat->nAvgBytesPerSec;
m_cFmt.m_iBlockAlign = pCurrentFormat->nBlockAlign;
m_cFmt.m_iBitsPerSample = pCurrentFormat->wBitsPerSample;
m_cFmt.m_iCbSize = pCurrentFormat->cbSize;
/*
// just copy the value of m_iRecordAudio from current config
// just not to overwrite it when new values
// are copied from m_cFmt
*/
m_cFmt.m_iRecordAudio = cAudioFormat.m_iRecordAudio;
}
CDialog::OnOK();
}
void CAudioFormatDlg::UpdateCompressFormatInterface()
{
WAVEFORMATEX *pCurrentFormat = GetCurrentFormat();
if(pCurrentFormat)
{
CString sData = GetManufacturerFromFormatTag(pCurrentFormat->wFormatTag);
sData.Format("%d", pCurrentFormat->wBitsPerSample);
m_ctrlEditBitsPerSample.SetWindowTextA(sData);
sData.Format("%d (%s)", pCurrentFormat->nChannels , pCurrentFormat->nChannels == 1 ? "mono" : "stereo");
m_ctrlEditChannels.SetWindowTextA(sData);
sData.Format("%d", pCurrentFormat->nSamplesPerSec);
m_ctrlSamplesPerSec.SetWindowTextA(sData);
sData.Format("%d", pCurrentFormat->nAvgBytesPerSec);
m_ctrlAvgBytesPerSec.SetWindowTextA(sData);
}
else
{
m_ctrlEditBitsPerSample.SetWindowTextA("");
m_ctrlEditChannels.SetWindowTextA("");
m_ctrlSamplesPerSec.SetWindowTextA("");
m_ctrlAvgBytesPerSec.SetWindowTextA("");
}
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
// GetPropertyData()
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
void FormatList::GetPropertyData(const CMIOObjectPropertyAddress& address, UInt32 qualifierDataSize, const void* qualifierData, UInt32 dataSize, UInt32& dataUsed, void* data) const
{
Float64* rates;
AudioValueRange* rateRanges;
UInt32 theNumberRates;
UInt32 theNumberRateRanges;
UInt32 theIndex;
CMFormatDescriptionRef format = NULL;
switch (address.mSelector)
{
case kCMIOStreamPropertyFormatDescription:
ThrowIf(dataSize != sizeof(CMFormatDescriptionRef), CAException(kCMIOHardwareBadPropertySizeError), "CMIO::DP::FormatList::GetPropertyData: wrong data size for kCMIOStreamPropertyFormatDescription");
if (NULL != GetCurrentFormat()) CFRetain(GetCurrentFormat());
*static_cast<CMFormatDescriptionRef*>(data) = GetCurrentFormat();
dataUsed = sizeof(CMFormatDescriptionRef);
break;
case kCMIOStreamPropertyFormatDescriptions:
ThrowIf(dataSize != sizeof(CFArrayRef), CAException(kCMIOHardwareBadPropertySizeError), "CMIO::DP::FormatList::GetPropertyData: wrong data size for kCMIOStreamPropertyFormatDescriptions");
*static_cast<CFArrayRef*>(data) = CFArrayCreateCopy(NULL, mDescriptions.GetCFArray());
dataUsed = sizeof(CFArrayRef);
break;
case kCMIOStreamPropertyStillImage:
ThrowIf(dataSize != sizeof(CMSampleBufferRef), CAException(kCMIOHardwareBadPropertySizeError), "CMIO::DP::FormatList::GetPropertyData: wrong data size for kCMIOStreamPropertyStillImage");
ThrowIf(qualifierDataSize != sizeof(CMFormatDescriptionRef), CAException(kCMIOHardwareBadPropertySizeError), "CMIO::DP::FormatList::GetPropertyData: wrong qualifier data size for kCMIOStreamPropertyStillImage");
*static_cast<CMSampleBufferRef*>(data) = GetStillImage(*static_cast<CMFormatDescriptionRef*>(const_cast<void*>(qualifierData)));
dataUsed = sizeof(CMFormatDescriptionRef);
break;
case kCMIOStreamPropertyStillImageFormatDescriptions:
ThrowIf(dataSize != sizeof(CFArrayRef), CAException(kCMIOHardwareBadPropertySizeError), "CMIO::DP::FormatList::GetPropertyData: wrong data size for kCMIOStreamPropertyStillImageFormatDescriptions");
*static_cast<CFArrayRef*>(data) = CFArrayCreateCopy(NULL, mStillImageDescriptions.GetCFArray());
dataUsed = sizeof(CFArrayRef);
break;
case kCMIOStreamPropertyFrameRate:
ThrowIf(dataSize != sizeof(Float64), CAException(kCMIOHardwareBadPropertySizeError), "CMIO::DP::FormatList::GetPropertyData: wrong data size for kCMIOStreamPropertyFrameRate");
*(static_cast<Float64*>(data)) = GetCurrentFrameRate();
dataUsed = sizeof(Float64);
break;
case kCMIOStreamPropertyFrameRates:
ThrowIf(qualifierDataSize != 0 and qualifierDataSize != sizeof(CMFormatDescriptionRef), CAException(kCMIOHardwareBadPropertySizeError), "CMIO::DP::FormatList::GetPropertyData: wrong qualifier data size for kCMIOStreamPropertyFrameRates");
format = (0 == qualifierDataSize) ? mCurrentFormat.Get() : *static_cast<CMFormatDescriptionRef*>(const_cast<void*>(qualifierData));
theNumberRates = std::min((UInt32)(dataSize / sizeof(Float64)), GetNumberFrameRates(format));
rates = static_cast<Float64*>(data);
for(theIndex = 0; theIndex < theNumberRates; ++theIndex)
{
rates[theIndex] = GetFrameRateByIndex(format, theIndex);
}
dataUsed = theNumberRates * sizeof(Float64);
break;
case kCMIOStreamPropertyMinimumFrameRate:
ThrowIf(dataSize != sizeof(Float64), CAException(kCMIOHardwareBadPropertySizeError), "CMIO::DP::FormatList::GetPropertyData: wrong data size for kCMIOStreamPropertyMinimumFrameRate");
*(static_cast<Float64*>(data)) = GetMinimumFrameRate();
dataUsed = sizeof(Float64);
break;
case kCMIOStreamPropertyFrameRateRanges:
ThrowIf(qualifierDataSize != 0 and qualifierDataSize != sizeof(CMFormatDescriptionRef), CAException(kCMIOHardwareBadPropertySizeError), "CMIO::DP::FormatList::GetPropertyData: wrong qualifier data size for kCMIOStreamPropertyFrameRateRanges");
format = (0 == qualifierDataSize) ? mCurrentFormat.Get() : *static_cast<CMFormatDescriptionRef*>(const_cast<void*>(qualifierData));
theNumberRateRanges = std::min((UInt32)(dataSize / sizeof(AudioValueRange)), GetNumberFrameRateRanges(format));
rateRanges = static_cast<AudioValueRange*>(data);
for(theIndex = 0; theIndex < theNumberRateRanges; ++theIndex)
{
rateRanges[theIndex] = GetFrameRateRangeByIndex(format, theIndex);
}
dataUsed = theNumberRateRanges * sizeof(AudioValueRange);
break;
case kCMIOStreamPropertyPreferredFormatDescription:
ThrowIf(dataSize != sizeof(CMFormatDescriptionRef), CAException(kCMIOHardwareBadPropertySizeError), "CMIO::DP::FormatList::GetPropertyData: wrong data size for kCMIOStreamPropertyPreferredFormatDescription");
if (NULL != GetPreferredFormat()) CFRetain(GetPreferredFormat());
*static_cast<CMFormatDescriptionRef*>(data) = GetPreferredFormat();
dataUsed = sizeof(CMFormatDescriptionRef);
break;
case kCMIOStreamPropertyPreferredFrameRate:
ThrowIf(dataSize != sizeof(Float64), CAException(kCMIOHardwareBadPropertySizeError), "CMIO::DP::FormatList::GetPropertyData: wrong data size for kCMIOStreamPropertyPreferredFrameRate");
*(static_cast<Float64*>(data)) = GetPreferredFrameRate();
dataUsed = sizeof(Float64);
break;
};
}
