OSStatus CAAudioChannelLayout::Save (CFPropertyListRef *outData) const
{
const AudioChannelLayout& layout = Layout();
CACFDictionary dict (false);
if (!dict.AddUInt32 (kACLTagKey, layout.mChannelLayoutTag))
goto badadd;
if (!dict.AddUInt32 (kACLBitmapKey, layout.mChannelBitmap))
goto badadd;
if (!dict.AddUInt32 (kACLDescKey, layout.mNumberChannelDescriptions))
goto badadd;
if (layout.mNumberChannelDescriptions)
{
static char string[32];
const AudioChannelDescription *desc = layout.mChannelDescriptions;
for (unsigned int i = 0; i < layout.mNumberChannelDescriptions; ++i, ++desc)
{
CACFDictionary descDict (true);
sprintf (string, "%d", i);
if (!descDict.AddUInt32 (kACLLabelKey, desc->mChannelLabel))
goto badadd;
if (!descDict.AddUInt32 (kACLFlagsKey, desc->mChannelFlags))
goto badadd;
if (!descDict.AddFloat32 (kACLCoords0Key, desc->mCoordinates[0]))
goto badadd;
if (!descDict.AddFloat32 (kACLCoords1Key, desc->mCoordinates[1]))
goto badadd;
if (!descDict.AddFloat32 (kACLCoords2Key, desc->mCoordinates[2]))
goto badadd;
if (!dict.AddCFTypeWithCStringKey (string, descDict.GetDict()))
goto badadd;
}
}
*outData = dict.GetDict();
return noErr;
badadd:
dict.ShouldRelease(true);
return -1;
}
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;
}