OSStatus CAAudioChannelLayout::Save (CFPropertyListRef *outData) const
{
const AudioChannelLayout& layout = Layout();
CACFDictionary dict (false);
if (!dict.AddUInt32 (kACLTagKey, layout.mChannelLayoutTag))
goto badadd;
if (layout.mChannelBitmap && !dict.AddUInt32 (kACLBitmapKey, layout.mChannelBitmap))
goto badadd;
if (layout.mNumberChannelDescriptions)
{
CFMutableArrayRef descs = CFArrayCreateMutable (NULL, layout.mNumberChannelDescriptions, &kCFTypeArrayCallBacks);
const AudioChannelDescription *desc = layout.mChannelDescriptions;
for (unsigned int i = 0; i < layout.mNumberChannelDescriptions; ++i, ++desc)
{
CACFDictionary descDict (true);
if (!descDict.AddUInt32 (kACLLabelKey, desc->mChannelLabel))
{ CFRelease (descs); goto badadd; }
if (!descDict.AddUInt32 (kACLFlagsKey, desc->mChannelFlags))
{ CFRelease (descs); goto badadd; }
if (!descDict.AddFloat32 (kACLCoords0Key, desc->mCoordinates[0]))
{ CFRelease (descs); goto badadd; }
if (!descDict.AddFloat32 (kACLCoords1Key, desc->mCoordinates[1]))
{ CFRelease (descs); goto badadd; }
if (!descDict.AddFloat32 (kACLCoords2Key, desc->mCoordinates[2]))
{ CFRelease (descs); goto badadd; }
CFArrayAppendValue (descs, descDict.AsPropertyList());
}
dict.AddArray (kACLDescsKey, descs);
CFRelease (descs);
}
*outData = dict.GetDict();
return noErr;
badadd:
dict.ShouldRelease(true);
return paramErr;
}
void CAAUMIDIMap::SaveAsMapPList (AudioUnit inUnit, const AUParameterMIDIMapping* inMappings, UInt32 inNumMappings, CFPropertyListRef &outData, CFStringRef inName)
{
CACFDictionary mappingDict (false);
CACFArray maps (true);
for (UInt32 i = 0; i< inNumMappings; ++i)
{
CFPropertyListRef data;
CAAUMIDIMap paramMap(inMappings[i]);
paramMap.Save (data);
if (data)
{
maps.AppendCFType (data);
CFRelease(data);
}
}
if (maps.GetNumberItems()) {
mappingDict.AddCFType (kParamMIDIStr, maps.GetCFArray());
// Add the AU info here - where this map came from
CAAudioUnit au (inUnit);
CFPropertyListRef data;
au.Comp().Save (&data);
mappingDict.AddCFType (kAUStr, data);
CFRelease(data);
if (!inName) inName = CFSTR("Untitled");
mappingDict.AddString (CFSTR("name"), inName);
mappingDict.AddUInt32 (CFSTR("version"), 1);
outData = mappingDict.AsPropertyList();
} else {
mappingDict.ShouldRelease(true);
outData = NULL;
}
}