void CAHALAudioSystemObject::LogBasicDeviceInfo()
{
UInt32 theNumberDevices = GetNumberAudioDevices();
CAAutoArrayDelete<AudioObjectID> theDeviceList(theNumberDevices);
GetAudioDevices(theNumberDevices, theDeviceList);
DebugMessageN1("CAHALAudioSystemObject::LogBasicDeviceInfo: %d devices", (int)theNumberDevices);
for(UInt32 theDeviceIndex = 0; theDeviceIndex < theNumberDevices; ++theDeviceIndex)
{
char theCString[256];
UInt32 theCStringSize = sizeof(theCString);
DebugMessageN1("CAHALAudioSystemObject::LogBasicDeviceInfo: Device %d", (int)theDeviceIndex);
CAHALAudioDevice theDevice(theDeviceList[theDeviceIndex]);
DebugMessageN1("CAHALAudioSystemObject::LogBasicDeviceInfo: Object ID: %d", (int)theDeviceList[theDeviceIndex]);
CACFString theDeviceName(theDevice.CopyName());
theCStringSize = sizeof(theCString);
theDeviceName.GetCString(theCString, theCStringSize);
DebugMessageN1("CAHALAudioSystemObject::LogBasicDeviceInfo: Name: %s", theCString);
CACFString theDeviceUID(theDevice.CopyDeviceUID());
theCStringSize = sizeof(theCString);
theDeviceUID.GetCString(theCString, theCStringSize);
DebugMessageN1("CAHALAudioSystemObject::LogBasicDeviceInfo: UID: %s", theCString);
}
}
AudioDeviceID CAAudioHardwareSystem::GetDeviceAtIndex(UInt32 inIndex)
{
AudioDeviceID theAnswer = 0;
UInt32 theNumberDevices = GetNumberDevices();
if((theNumberDevices > 0) && (inIndex < theNumberDevices))
{
CAAutoArrayDelete<AudioDeviceID> theDeviceList(theNumberDevices);
UInt32 theSize = theNumberDevices * sizeof(AudioDeviceID);
GetPropertyData(kAudioHardwarePropertyDevices, theSize, theDeviceList);
theAnswer = theDeviceList[inIndex];
}
return theAnswer;
}
AudioObjectID CAHALAudioSystemObject::GetAudioDeviceAtIndex(UInt32 inIndex) const
{
AudioObjectID theAnswer = kAudioObjectUnknown;
UInt32 theNumberDevices = GetNumberAudioDevices();
if((theNumberDevices > 0) && (inIndex < theNumberDevices))
{
CAAutoArrayDelete<AudioObjectID> theDeviceList(theNumberDevices);
GetAudioDevices(theNumberDevices, theDeviceList);
if((theNumberDevices > 0) && (inIndex < theNumberDevices))
{
theAnswer = theDeviceList[inIndex];
}
}
return theAnswer;
}
UInt32 CAAudioHardwareSystem::GetIndexForDevice(const AudioDeviceID inDevice)
{
UInt32 theAnswer = 0xFFFFFFFF;
UInt32 theNumberDevices = GetNumberDevices();
if(theNumberDevices > 0)
{
CAAutoArrayDelete<AudioDeviceID> theDeviceList(theNumberDevices);
UInt32 theSize = theNumberDevices * sizeof(AudioDeviceID);
GetPropertyData(kAudioHardwarePropertyDevices, theSize, theDeviceList);
for(UInt32 theIndex = 0; theIndex < theNumberDevices; ++theIndex)
{
if(inDevice == theDeviceList[theIndex])
{
theAnswer = theIndex;
break;
}
}
}
return theAnswer;
}