OSStatus CAAudioChannelLayout::Restore (CFPropertyListRef &inData)
{
if (CFGetTypeID (inData) != CFDictionaryGetTypeID()) return paramErr;
CACFDictionary dict(static_cast<CFDictionaryRef>(inData), false);
RefCountedLayout *temp = NULL;
AudioChannelLayout* layout;
CFArrayRef descs = NULL;
UInt32 numDescs = 0;
if (dict.GetArray (kACLDescsKey, descs)) {
numDescs = CFArrayGetCount (descs);
}
temp = RefCountedLayout::CreateWithNumberChannelDescriptions(numDescs);
layout = temp->GetLayout();
if (!dict.GetUInt32 (kACLTagKey, layout->mChannelLayoutTag))
goto badget;
if (dict.HasKey (kACLBitmapKey)) {
if (!dict.GetUInt32 (kACLBitmapKey, layout->mChannelBitmap))
goto badget;
} else
layout->mChannelBitmap = 0;
layout->mNumberChannelDescriptions = numDescs;
if (numDescs)
{
AudioChannelDescription *desc = layout->mChannelDescriptions;
for (unsigned int i = 0; i < numDescs; ++i, ++desc)
{
CFDictionaryRef descDict = (CFDictionaryRef)CFArrayGetValueAtIndex (descs, i);
CACFDictionary theDesc (descDict, false);
if (!theDesc.GetUInt32 (kACLLabelKey, desc->mChannelLabel))
goto badget;
if (!theDesc.GetUInt32 (kACLFlagsKey, desc->mChannelFlags))
goto badget;
if (!theDesc.GetFloat32 (kACLCoords0Key, desc->mCoordinates[0]))
goto badget;
if (!theDesc.GetFloat32 (kACLCoords1Key, desc->mCoordinates[1]))
goto badget;
if (!theDesc.GetFloat32 (kACLCoords2Key, desc->mCoordinates[2]))
goto badget;
}
}
if (mLayout)
mLayout->release();
mLayout = temp;
return noErr;
badget:
delete temp;
return paramErr;
}
OSStatus CAAudioChannelLayout::Restore (CFPropertyListRef &inData)
{
if (CFGetTypeID (inData) != CFDictionaryGetTypeID()) return -1;
CACFDictionary dict(static_cast<CFDictionaryRef>(inData), false);
ACLRefCounter *temp = NULL;
UInt32 size = 0;
AudioChannelLayout* layout;
UInt32 numDescs;
if (!dict.GetUInt32 (kACLDescKey, numDescs))
goto badget;
size = numDescs * sizeof (AudioChannelDescription) + offsetof(AudioChannelLayout, mChannelDescriptions[0]);
temp = new ACLRefCounter (size);
layout = temp->GetLayout();
if (!dict.GetUInt32 (kACLTagKey, layout->mChannelLayoutTag))
goto badget;
if (!dict.GetUInt32 (kACLBitmapKey, layout->mChannelBitmap))
goto badget;
layout->mNumberChannelDescriptions = numDescs;
if (numDescs)
{
static char string[32];
AudioChannelDescription *desc = layout->mChannelDescriptions;
for (unsigned int i = 0; i < numDescs; ++i, ++desc)
{
sprintf (string, "%d", i);
CFDictionaryRef descDict;
if (!dict.GetCFTypeWithCStringKey (string, static_cast<const void*>(descDict)))
goto badget;
CACFDictionary theDesc (descDict, false);
if (!theDesc.GetUInt32 (kACLLabelKey, desc->mChannelLabel))
goto badget;
if (!theDesc.GetUInt32 (kACLFlagsKey, desc->mChannelFlags))
goto badget;
if (!theDesc.GetFloat32 (kACLCoords0Key, desc->mCoordinates[0]))
goto badget;
if (!theDesc.GetFloat32 (kACLCoords1Key, desc->mCoordinates[1]))
goto badget;
if (!theDesc.GetFloat32 (kACLCoords2Key, desc->mCoordinates[2]))
goto badget;
}
}
if (mLayoutHolder)
mLayoutHolder->release();
mLayoutHolder = temp;
return noErr;
badget:
delete temp;
return -1;
}
static void HP_PreferredChannels_ConstructLayoutFromDictionary(const CACFDictionary& inLayoutDictionary, AudioChannelLayout& outLayout)
{
// get the tag, bitmap
inLayoutDictionary.GetUInt32(CFSTR("channel layout tag"), outLayout.mChannelLayoutTag);
inLayoutDictionary.GetUInt32(CFSTR("channel bitmap"), outLayout.mChannelBitmap);
// get the number of channels specified in the dictionary
UInt32 theNumberChannelsInDictionary = 0;
inLayoutDictionary.GetUInt32(CFSTR("number channels"), theNumberChannelsInDictionary);
// get the descriptions if they are present and required
CFArrayRef __theDescriptions;
if((outLayout.mChannelLayoutTag == kAudioChannelLayoutTag_UseChannelDescriptions) && inLayoutDictionary.GetArray(CFSTR("channel descriptions"), __theDescriptions))
{
// don't release this array because it came straight out of the dictionary
CACFArray theDescriptions(__theDescriptions, false);
// get the number of items in the array
UInt32 theNumberItems = theDescriptions.GetNumberItems();
// iterate through the array and fill out the struct
for(UInt32 theItemIndex = 0; (theItemIndex < theNumberItems) && (theItemIndex < outLayout.mNumberChannelDescriptions); ++theItemIndex)
{
// get the description
CFDictionaryRef __theDescription;
if(theDescriptions.GetDictionary(theItemIndex, __theDescription))
{
// don't release this dictionary because it came straight out of the array
CACFDictionary theDescription(__theDescription, false);
// get the channel label and flags
theDescription.GetUInt32(CFSTR("channel label"), outLayout.mChannelDescriptions[theItemIndex].mChannelLabel);
theDescription.GetUInt32(CFSTR("channel flags"), outLayout.mChannelDescriptions[theItemIndex].mChannelFlags);
// get the coordinates
CFArrayRef __theCoordinates;
if(theDescription.GetArray(CFSTR("coordinates"), __theCoordinates))
{
// don't release this array because it came straight out of the dictionary
CACFArray theCoordinates(__theCoordinates, false);
// iterate through the array and get the coordinates
UInt32 theNumberCoordinates = theCoordinates.GetNumberItems();
for(UInt32 theCoordinateIndex = 0; (theCoordinateIndex < 3) && (theCoordinateIndex < theNumberCoordinates); ++theCoordinateIndex)
{
theCoordinates.GetFloat32(theCoordinateIndex, outLayout.mChannelDescriptions[theItemIndex].mCoordinates[theCoordinateIndex]);
}
}
}
}
}
}
void CAAUMIDIMap::Restore(CFDictionaryRef inData)
{
CACFDictionary paramDict (inData, false);
if (!paramDict.GetUInt32 (kLocalScopeStr, mScope)) return;
if (!paramDict.GetUInt32 (kLocalElementIDStr, mElement)) return;
if (!paramDict.GetUInt32 (kLocalParameterIDStr, mParameterID)) return;
if (!paramDict.GetUInt32 (kMIDIFlagsStr, mFlags)) return;
if (!paramDict.GetFloat32 (kMIDISubMinStr, mSubRangeMin)) return;
if (!paramDict.GetFloat32 (kMIDISubMaxStr, mSubRangeMax)) return;
UInt32 data;
if (!paramDict.GetUInt32 (kMIDIStatusStr, data)) return;
mStatus = data;
if (!paramDict.GetUInt32 (kMIDIDataByteStr, data)) return;
mData1 = data;
}