protected virtual MetaDataItem[] GetMetaData(CueSheet cueSheet, CueSheetTrack cueSheetTrack, IEnumerable <MetaDataItem> fileMetaData)
{
var metaDataItems = new Dictionary <string, MetaDataItem>(StringComparer.OrdinalIgnoreCase);
if (fileMetaData != null)
{
foreach (var metaDataItem in fileMetaData)
{
metaDataItems[metaDataItem.Name] = metaDataItem;
}
}
foreach (var tag in cueSheet.Tags)
{
var name = default(string);
if (!FILE_NAMES.TryGetValue(tag.Name, out name))
{
if (!CommonMetaData.Lookup.TryGetValue(tag.Name, out name))
{
name = tag.Name;
}
}
metaDataItems[name] = new MetaDataItem(name, MetaDataItemType.Tag)
{
Value = tag.Value
};
}
foreach (var tag in cueSheetTrack.Tags)
{
var name = default(string);
if (!TRACK_NAMES.TryGetValue(tag.Name, out name))
{
if (!CommonMetaData.Lookup.TryGetValue(tag.Name, out name))
{
name = tag.Name;
}
}
metaDataItems[name] = new MetaDataItem(name, MetaDataItemType.Tag)
{
Value = tag.Value
};
}
metaDataItems[CommonMetaData.Track] = new MetaDataItem(CommonMetaData.Track, MetaDataItemType.Tag)
{
Value = cueSheetTrack.Number
};
//TODO: We could create the CommonProperties.Duration for all but the last track in each file.
//TODO: Without understanding the file format we can't determine the length of the last track.
//TODO: Just don't provide any duration for now.
metaDataItems.Remove(CommonProperties.Duration);
return(metaDataItems.Values.ToArray());
}
public async Task <PlaylistItem[]> Create(CueSheet cueSheet)
{
var playlistItems = new List <PlaylistItem>();
var directoryName = Path.GetDirectoryName(cueSheet.FileName);
var metaDataSource = this.MetaDataSourceFactory.Create();
for (var a = 0; a < cueSheet.Files.Length; a++)
{
var file = cueSheet.Files[a];
var target = this.Resolve(directoryName, file.Path);
var metaData = default(IEnumerable <MetaDataItem>);
try
{
metaData = (
await metaDataSource.GetMetaData(target).ConfigureAwait(false)
).ToArray();
}
catch (Exception e)
{
metaData = Enumerable.Empty <MetaDataItem>();
Logger.Write(this, LogLevel.Debug, "Failed to read meta data from file \"{0}\": {1}", target, e.Message);
}
for (var b = 0; b < file.Tracks.Length; b++)
{
var fileName = default(string);
if (b + 1 < file.Tracks.Length)
{
fileName = BassCueStreamAdvisor.CreateUrl(
target,
file.Tracks[b].Index.Time,
CueSheet.GetTrackLength(file.Tracks[b], file.Tracks[b + 1])
);
}
else
{
fileName = BassCueStreamAdvisor.CreateUrl(
target,
file.Tracks[b].Index.Time
);
}
var playlistItem = new PlaylistItem()
{
DirectoryName = directoryName,
FileName = fileName
};
playlistItem.MetaDatas = this.GetMetaData(cueSheet, file.Tracks[b], metaData);
playlistItems.Add(playlistItem);
}
}
return(playlistItems.ToArray());
}