CAComponent::CAComponent (OSType inType, OSType inSubtype, OSType inManu)
: mDesc (inType, inSubtype, inManu),
mManuName(0), mAUName(0), mCompName(0)
{
mComp = AudioComponentFindNext (NULL, &mDesc);
AudioComponentGetDescription (Comp(), &mDesc);
}
CAComponent::CAComponent (const AudioComponent& comp)
: mComp (comp),
mManuName(0),
mAUName(0),
mCompName(0)
{
AudioComponentGetDescription (Comp(), &mDesc);
}
CAComponent::CAComponent (const AudioComponentInstance& compInst)
: mComp (NULL),
mManuName(0),
mAUName(0),
mCompName(0)
{
mComp = AudioComponentInstanceGetComponent (compInst);
AudioComponentGetDescription (Comp(), &mDesc);
}
CAComponent::CAComponent (const AudioComponentDescription& inDesc, CAComponent* next)
: mManuName(0), mAUName(0), mCompName(0)
{
mComp = AudioComponentFindNext ((next ? next->Comp() : NULL), &inDesc);
if (mComp)
AudioComponentGetDescription(Comp(), &mDesc);
else
memcpy (&mDesc, &inDesc, sizeof(AudioComponentDescription));
}
OSStatus CAComponent::Restore (CFPropertyListRef &inData)
{
if (mDesc.Restore (inData)) return paramErr;
Clear();
mComp = AudioComponentFindNext (NULL, &mDesc);
// this will restore the current flags...
if (mComp)
AudioComponentGetDescription (Comp(), &mDesc);
return noErr;
}
AudioComponentDescription ComponentBase::GetComponentDescription() const
{
AudioComponentDescription desc;
OSStatus result;
#if CA_DO_NOT_USE_AUDIO_COMPONENT
ca_require_noerr (result = ComponentBase_GetComponentDescription (mComponentInstance, desc), home);
#else
AudioComponent comp = AudioComponentInstanceGetComponent(mComponentInstance);
XAssert (comp);
if (comp) {
ca_require_noerr(result = AudioComponentGetDescription(comp, &desc), home);
} else
ca_require_noerr(result = -1, home);
#endif
home:
if (result)
memset (&desc, 0, sizeof(AudioComponentDescription));
return desc;
}
