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Added Device channel names retrieving on MAC.

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This commit is contained in:
grygoriiz 2014-06-23 11:59:59 +03:00
parent 913d5a04b3
commit 3493d2ccb3
4 changed files with 82 additions and 17 deletions
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71
libs/backends/wavesaudio/wavesapi/devicemanager/WCMRCoreAudioDeviceManager.cpp
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@ -356,7 +356,7 @@ WTErr WCMRCoreAudioDevice::UpdateDeviceInputs()
memset (pStreamBuffers, 0, propSize);
// Get the Input channels
err = AudioDeviceGetProperty (m_DeviceID, 0, 1/* Input */, kAudioDevicePropertyStreamConfiguration, &propSize, pStreamBuffers);
err = AudioDeviceGetProperty (m_DeviceID, 0, true/* Input */, kAudioDevicePropertyStreamConfiguration, &propSize, pStreamBuffers);
if (err == kAudioHardwareNoError)
{
// Calculate the number of input channels
@ -387,11 +387,42 @@ WTErr WCMRCoreAudioDevice::UpdateDeviceInputs()
// Update input channels
m_InputChannels.clear();
for (int channel = 0; channel < maxInputChannels; channel++)
{
AudioObjectPropertyAddress pa;
pa.mSelector = kAudioObjectPropertyElementName;
pa.mScope = kAudioObjectPropertyScopeInput;
pa.mElement = channel + 1;
CFStringRef cfName;
std::stringstream chNameStream;
//A better implementation would be to retrieve the names from ASIO or CoreAudio interfaces
chNameStream << "Input " << (channel+1);
UInt32 nameSize = 0;
OSStatus error = kAudioHardwareNoError;
bool hasChannelNames = AudioObjectHasProperty(m_DeviceID, &pa);
if (hasChannelNames) {
error = AudioObjectGetPropertyDataSize(m_DeviceID, &pa, 0, 0, &nameSize );
if (error == kAudioHardwareNoError) {
error = AudioObjectGetPropertyData (m_DeviceID, &pa, 0, 0, &nameSize, &cfName);
}
}
if (hasChannelNames && (error == kAudioHardwareNoError) )
{
CFIndex length = CFStringGetLength(cfName);
CFIndex maxSize = CFStringGetMaximumSizeForEncoding(length, kCFStringEncodingUTF8);
char* cstr_name = new char[maxSize];
CFStringGetCString(cfName, cstr_name, maxSize, kCFStringEncodingUTF8);
chNameStream << cstr_name;
} else {
chNameStream << "Input " << (channel+1);
}
m_InputChannels.push_back (chNameStream.str());
}
@ -470,9 +501,39 @@ WTErr WCMRCoreAudioDevice::UpdateDeviceOutputs()
m_OutputChannels.clear();
for (int channel = 0; channel < maxOutputChannels; channel++)
{
AudioObjectPropertyAddress pa;
pa.mSelector = kAudioObjectPropertyElementName;
pa.mScope = kAudioObjectPropertyScopeOutput;
pa.mElement = channel + 1;
CFStringRef cfName;
std::stringstream chNameStream;
//A better implementation would be to retrieve the names from ASIO or CoreAudio interfaces
chNameStream << "Output " << (channel+1);
UInt32 nameSize = 0;
OSStatus error = kAudioHardwareNoError;
bool hasChannelNames = AudioObjectHasProperty(m_DeviceID, &pa);
if (hasChannelNames) {
error = AudioObjectGetPropertyDataSize(m_DeviceID, &pa, 0, 0, &nameSize );
if (error == kAudioHardwareNoError) {
error = AudioObjectGetPropertyData (m_DeviceID, &pa, 0, 0, &nameSize, &cfName);
}
}
if (hasChannelNames && (error == kAudioHardwareNoError) )
{
CFIndex length = CFStringGetLength(cfName);
CFIndex maxSize = CFStringGetMaximumSizeForEncoding(length, kCFStringEncodingUTF8);
char* cstr_name = new char[maxSize];
CFStringGetCString(cfName, cstr_name, maxSize, kCFStringEncodingUTF8);
chNameStream << cstr_name;
} else {
chNameStream << "Output " << (channel+1);
}
m_OutputChannels.push_back (chNameStream.str());
}