void CAComponent::SetCompNames () const
{
if (!mCompName) {
CFStringRef compName;
OSStatus result = AudioComponentCopyName (Comp(), &compName);
if (result) return;
const_cast<CAComponent*>(this)->mCompName = compName;
if (compName)
{
CFArrayRef splitStrArray = CFStringCreateArrayBySeparatingStrings(NULL, compName, CFSTR(":"));
// we need to retain these values so the strings are not lost when the array is released
const_cast<CAComponent*>(this)->mManuName = (CFStringRef)CFArrayGetValueAtIndex(splitStrArray, 0);
CFRetain(this->mManuName);
if (CFArrayGetCount(splitStrArray) > 1)
{
CFStringRef str = (CFStringRef)CFArrayGetValueAtIndex(splitStrArray, 1);
CFMutableStringRef mstr = CFStringCreateMutableCopy (NULL, CFStringGetLength(str), str);
// this needs to trim out white space:
CFStringTrimWhitespace (mstr);
const_cast<CAComponent*>(this)->mAUName = mstr;
} else
const_cast<CAComponent*>(this)->mAUName = NULL;
CFRelease(splitStrArray);
}
}
}
static QStringList enumerateAudioUnits(OSType componentType)
{
QStringList plugins;
AudioComponent component = NULL;
AudioComponentDescription description;
memset(&description, 0, sizeof(description));
description.componentType = componentType;
while ((component = AudioComponentFindNext(component, &description))) {
CFStringRef cfname;
if (AudioComponentCopyName(component, &cfname) != 0) {
continue;
}
plugins.append(cfstringToQString(cfname));
CFRelease(cfname);
}
return plugins;
}
static AudioComponent findAudioUnit(const QString &componentName)
{
AudioComponent component = NULL;
AudioComponentDescription description;
memset(&description, 0, sizeof(description));
while ((component = AudioComponentFindNext(component, &description))) {
CFStringRef cfname;
if (AudioComponentCopyName(component, &cfname) != 0) {
continue;
}
QString name(cfstringToQString(cfname));
CFRelease(cfname);
if (name == componentName) {
return component;
}
}
return NULL;
}
