OSStatus
PA_Stream::GetPropertyInfo(UInt32 inChannel,
AudioDevicePropertyID inPropertyID,
UInt32 *outSize,
Boolean *outWritable)
{
AudioObjectPropertyAddress addr;
OSStatus ret = kAudioHardwareNoError;
addr.mSelector = inPropertyID;
addr.mElement = inChannel;
addr.mScope = 0;
if (!HasProperty(&addr))
return kAudioHardwareUnknownPropertyError;
if (outWritable)
ret = IsPropertySettable(&addr, outWritable);
if (ret != kAudioHardwareNoError)
return ret;
if (outSize)
ret = GetPropertyDataSize(&addr, 0, NULL, outSize);
return ret;
}
void HP_Object::SetPropertyData(const AudioObjectPropertyAddress& inAddress, UInt32 inQualifierDataSize, const void* inQualifierData, UInt32 inDataSize, const void* inData, const AudioTimeStamp* inWhen)
{
ThrowIf(!IsPropertySettable(inAddress), CAException(kAudioHardwareIllegalOperationError), "HP_Object::SetPropertyData: address isn't settable");
switch(inAddress.mSelector)
{
case kAudioObjectPropertyListenerAdded:
ThrowIf(inDataSize != sizeof(AudioObjectPropertyAddress), CAException(kAudioHardwareBadPropertySizeError), "IOA_Device::SetPropertyData: wrong data size for kAudioObjectPropertyListenerAdded");
PropertyListenerAdded(*(static_cast<const AudioObjectPropertyAddress*>(inData)));
break;
case kAudioObjectPropertyListenerRemoved:
ThrowIf(inDataSize != sizeof(AudioObjectPropertyAddress), CAException(kAudioHardwareBadPropertySizeError), "IOA_Device::SetPropertyData: wrong data size for kAudioObjectPropertyListenerRemoved");
PropertyListenerRemoved(*(static_cast<const AudioObjectPropertyAddress*>(inData)));
break;
default:
{
HP_Property* theProperty = FindActivePropertyByAddress(inAddress);
if(theProperty != NULL)
{
theProperty->SetPropertyData(inAddress, inQualifierDataSize, inQualifierData, inDataSize, inData, inWhen);
}
else
{
DebugMessage("HP_Object::SetPropertyData: unknown property");
Throw(CAException(kAudioHardwareUnknownPropertyError));
}
}
break;
};
}
bool CAHALAudioDevice::IsHogModeSettable() const
{
bool theAnswer = false;
CAPropertyAddress theAddress(kAudioDevicePropertyHogMode);
if(HasProperty(theAddress))
{
theAnswer = IsPropertySettable(theAddress);
}
return theAnswer;
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
// CurrentFormatIsSettable()
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
bool Stream::CurrentFormatIsSettable() const
{
return IsPropertySettable(PropertyAddress(kCMIOStreamPropertyFormatDescription));
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
// HogModeIsSettable()
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
bool Device::HogModeIsSettable() const
{
return IsPropertySettable(PropertyAddress(kCMIODevicePropertyHogMode));
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
// FeatureControl::AbsoluteValueSettable()
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
bool FeatureControl::AbsoluteValueSettable() const
{
return IsPropertySettable(PropertyAddress(kCMIOFeatureControlPropertyAbsoluteValue));
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
// FeatureControl::AutomaticManualSettable()
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
bool FeatureControl::AutomaticManualSettable() const
{
return IsPropertySettable(PropertyAddress(kCMIOFeatureControlPropertyAutomaticManual));
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
// FeatureControl::OnOffSettable()
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
bool FeatureControl::OnOffSettable() const
{
return IsPropertySettable(PropertyAddress(kCMIOFeatureControlPropertyOnOff));
}
bool CAHALAudioDevice::DataSourceControlIsSettable(AudioObjectPropertyScope inScope, UInt32 inChannel) const
{
CAPropertyAddress theAddress(kAudioDevicePropertyDataSource, inScope, inChannel);
return IsPropertySettable(theAddress);
}
bool CAHALAudioDevice::iSubOwnerControlIsSettable(AudioObjectPropertyScope inScope, UInt32 inChannel) const
{
CAPropertyAddress theAddress(kAudioDevicePropertyDriverShouldOwniSub, inScope, inChannel);
return IsPropertySettable(theAddress);
}
bool CAHALAudioDevice::SubVolumeControlIsSettable(AudioObjectPropertyScope inScope, UInt32 inChannel) const
{
CAPropertyAddress theAddress(kAudioDevicePropertySubVolumeScalar, inScope, inChannel);
return IsPropertySettable(theAddress);
}
bool CAHALAudioDevice::IsIOBufferSizeSettable() const
{
CAPropertyAddress theAddress(kAudioDevicePropertyBufferFrameSize);
return IsPropertySettable(theAddress);
}
bool CAHALAudioDevice::ClockSourceControlIsSettable() const
{
CAPropertyAddress theAddress(kAudioDevicePropertyClockSource);
return IsPropertySettable(theAddress);
}
bool CAHALAudioDevice::DataDestinationControlIsSettable(AudioObjectPropertyScope inScope, UInt32 inChannel) const
{
CAPropertyAddress theAddress(kAudioDevicePropertyPlayThruDestination, inScope, inChannel);
return IsPropertySettable(theAddress);
}