internal AtomToMetadataAdapter(Mp4 mp4, AtomInfo[] atoms)
{
Contract.Requires(mp4 != null);
Contract.Requires(atoms != null);
foreach (AtomInfo atom in atoms)
{
byte[] atomData = mp4.ReadAtom(atom);
switch (atom.FourCC)
{
case "trkn":
var trackNumberAtom = new TrackNumberAtom(atomData);
Add("TrackNumber", trackNumberAtom.TrackNumber.ToString(CultureInfo.InvariantCulture));
if (trackNumberAtom.TrackCount > 0)
{
Add("TrackCount", trackNumberAtom.TrackCount.ToString(CultureInfo.InvariantCulture));
}
break;
case "©day":
// The ©day atom may contain a full date, or only the year:
var dayAtom = new TextAtom(atomData);
DateTime result;
if (DateTime.TryParse(dayAtom.Value, CultureInfo.CurrentCulture, DateTimeStyles.NoCurrentDateDefault, out result) && result.Year >= 1000)
{
base["Day"] = result.Day.ToString(CultureInfo.InvariantCulture);
base["Month"] = result.Month.ToString(CultureInfo.InvariantCulture);
base["Year"] = result.Year.ToString(CultureInfo.InvariantCulture);
}
else
{
base["Year"] = dayAtom.Value;
}
break;
case "covr":
try
{
CoverArt = new CoverArt(new CovrAtom(atomData).Value);
}
catch (UnsupportedCoverArtException)
{ }
break;
default:
string mappedKey;
if (_map.TryGetValue(atom.FourCC, out mappedKey))
{
base[mappedKey] = new TextAtom(atomData).Value;
}
break;
}
}
}
internal MetadataToAtomAdapter(MetadataDictionary metadata, SettingsDictionary settings)
{
Contract.Requires(metadata != null);
var day = 0;
var month = 0;
var year = 0;
var trackNumberAtom = new TrackNumberAtom();
var trackSoundCheckAtom = new SoundCheckAtom();
var albumSoundCheckAtom = new SoundCheckAtom();
foreach (var item in metadata)
{
switch (item.Key)
{
case "Day":
day = int.Parse(item.Value, CultureInfo.InvariantCulture);
break;
case "Month":
month = int.Parse(item.Value, CultureInfo.InvariantCulture);
break;
case "Year":
year = int.Parse(item.Value, CultureInfo.InvariantCulture);
break;
case "TrackNumber":
trackNumberAtom.TrackNumber = byte.Parse(item.Value, CultureInfo.InvariantCulture);
break;
case "TrackCount":
trackNumberAtom.TrackCount = byte.Parse(item.Value, CultureInfo.InvariantCulture);
break;
case "TrackGain":
trackSoundCheckAtom.Gain = item.Value;
break;
case "TrackPeak":
trackSoundCheckAtom.Peak = item.Value;
break;
case "AlbumGain":
albumSoundCheckAtom.Gain = item.Value;
break;
case "AlbumPeak":
albumSoundCheckAtom.Peak = item.Value;
break;
default:
string fourCC;
if (_map.TryGetValue(item.Key, out fourCC))
{
Add(new TextAtom(fourCC, item.Value));
}
break;
}
}
// The ©day atom should contain either a full date, or just the year:
if (day > 0 && month > 0 && year > 0)
{
Contract.Assume(month <= 12);
Add(new TextAtom("©day", new DateTime(year, month, day).ToShortDateString()));
}
else if (year > 0)
{
Add(new TextAtom("©day", year.ToString(CultureInfo.InvariantCulture)));
}
if (trackNumberAtom.IsValid)
{
Add(trackNumberAtom);
}
if (!string.IsNullOrEmpty(settings["AddSoundCheck"]) &&
string.Compare(settings["AddSoundCheck"], bool.FalseString, StringComparison.OrdinalIgnoreCase) != 0)
{
if (string.Compare(settings["AddSoundCheck"], "Album", StringComparison.OrdinalIgnoreCase) == 0)
{
if (string.IsNullOrEmpty(albumSoundCheckAtom.Gain))
{
throw new InvalidSettingException(Resources.MetadataToAtomAdapterMissingAlbumGain);
}
if (string.IsNullOrEmpty(albumSoundCheckAtom.Peak))
{
throw new InvalidSettingException(Resources.MetadataToAtomAdapterMissingAlbumPeak);
}
// Place this atom at the beginning:
Insert(0, albumSoundCheckAtom);
}
else if (string.Compare(settings["AddSoundCheck"], "Track", StringComparison.OrdinalIgnoreCase) == 0)
{
if (string.IsNullOrEmpty(trackSoundCheckAtom.Gain))
{
throw new InvalidSettingException(Resources.MetadataToAtomAdapterMissingTrackGain);
}
if (string.IsNullOrEmpty(trackSoundCheckAtom.Peak))
{
throw new InvalidSettingException(Resources.MetadataToAtomAdapterMissingTrackPeak);
}
// Place this atom at the beginning:
Insert(0, trackSoundCheckAtom);
}
else
{
throw new InvalidSettingException(string.Format(CultureInfo.CurrentCulture,
Resources.MetadataToAtomAdapterBadAddSoundCheck, settings["AddSoundCheck"]));
}
}
if (metadata.CoverArt != null)
{
Add(new CovrAtom(metadata.CoverArt));
}
}
