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[Summary] Added possibility to update sample rate list for devices on the fly on MAC

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This commit is contained in:
GZharun 2014-07-08 12:27:20 +03:00
parent 9958f084e5
commit 0cf788ef12
7 changed files with 103 additions and 8 deletions
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73
libs/backends/wavesaudio/wavesapi/devicemanager/WCMRCoreAudioDeviceManager.cpp
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@ -2870,6 +2870,79 @@ WTErr WCMRCoreAudioDeviceManager::updateDeviceListImpl()
}
WTErr WCMRCoreAudioDeviceManager::getDeviceSampleRatesImpl(const std::string & deviceName, std::vector<int>& sampleRates) const
{
AUTO_FUNC_DEBUG;
WTErr retVal = eNoErr;
OSStatus err = kAudioHardwareNoError;
UInt32 propSize = 0;
sampleRates.clear();
//first check if the request has been made for None device
if (deviceName == m_NoneDevice->DeviceName() )
{
sampleRates = m_NoneDevice->SamplingRates();
return retVal;
}
DeviceInfo devInfo;
retVal = GetDeviceInfoByName(deviceName, devInfo);
//! 1. Get sample rate property size.
err = AudioDeviceGetPropertyInfo(devInfo.m_DeviceId, 0, 0, kAudioDevicePropertyAvailableNominalSampleRates, &propSize, NULL);
if (err == kAudioHardwareNoError)
{
//! 2. Get property: cannels output.
// Allocate size accrding to the number of audio values
int numRates = propSize / sizeof(AudioValueRange);
AudioValueRange* supportedRates = new AudioValueRange[numRates];
// Get sampling rates from Audio device
err = AudioDeviceGetProperty(devInfo.m_DeviceId, 0, 0, kAudioDevicePropertyAvailableNominalSampleRates, &propSize, supportedRates);
if (err == kAudioHardwareNoError)
{
//! 3. Update sample rates
// now iterate through our standard SRs
for(int ourSR=0; gAllSampleRates[ourSR] > 0; ourSR++)
{
//check to see if our SR is in the supported rates...
for (int deviceSR = 0; deviceSR < numRates; deviceSR++)
{
if ((supportedRates[deviceSR].mMinimum <= gAllSampleRates[ourSR]) &&
(supportedRates[deviceSR].mMaximum >= gAllSampleRates[ourSR]))
{
sampleRates.push_back ((int)gAllSampleRates[ourSR]);
break;
}
}
}
}
else
{
retVal = eCoreAudioFailed;
DEBUG_MSG("Failed to get device Sample rates. Device Name: " << m_DeviceName.c_str());
}
delete [] supportedRates;
}
else
{
retVal = eCoreAudioFailed;
DEBUG_MSG("Failed to get device Sample rates property size. Device Name: " << m_DeviceName.c_str());
}
devInfo.m_AvailableSampleRates.assign(sampleRates.begin(), sampleRates.end() );
return retVal;
}
WTErr WCMRCoreAudioDeviceManager::getDeviceBufferSizesImpl(const std::string & deviceName, std::vector<int>& bufferSizes) const
{
AUTO_FUNC_DEBUG;