public static TagDetails LoadTags(string filename)
{
var extension = Path.GetExtension(filename);
if (extension == null)
{
return(null);
}
if (extension.ToLower() != ".mp3")
{
return(null);
}
lock (_tagDetails)
{
if (_tagDetails.ContainsKey(filename))
{
return(_tagDetails[filename]);
}
}
var tags = BassTags.BASS_TAG_GetFromFile(filename);
if (tags == null)
{
throw new Exception("Cannot load tags for file " + filename);
}
var tagDetails = new TagDetails
{
Title = tags.title,
Artist = tags.artist,
Album = tags.album,
AlbumArtist = tags.albumartist,
Genre = tags.genre,
Gain = tags.replaygain_track_peak
};
var key = tags.NativeTag("InitialKey");
if (key != "")
{
tagDetails.Key = key;
}
decimal bpm;
if (decimal.TryParse(tags.bpm, out bpm))
{
tagDetails.Bpm = BpmHelper.NormaliseBpm(bpm);
}
var duration = TimeSpan.FromSeconds(tags.duration);
if (duration.TotalMilliseconds != 0)
{
tagDetails.Length = (decimal)duration.TotalMilliseconds / 1000;
}
int trackNumber;
var trackNumberTag = (tags.track + "/").Split('/')[0].Trim();
if (int.TryParse(trackNumberTag, out trackNumber))
{
tagDetails.TrackNumber = trackNumber;
}
if (tagDetails.AlbumArtist == "")
{
tagDetails.AlbumArtist = tagDetails.Artist;
}
if (tagDetails.Title.Contains("/"))
{
var data = tagDetails.Title.Split('/').ToList();
tagDetails.Artist = data[0].Trim();
tagDetails.Title = data[1].Trim();
}
lock (_tagDetails)
{
if (!_tagDetails.ContainsKey(filename))
{
_tagDetails.Add(filename, tagDetails);
}
}
return(tagDetails);
}
/// <summary>
/// Loads any attributes stored in a the track comment tag.
/// </summary>
/// <param name="track">The track.</param>
public static void LoadExtendedAttributes(Track track)
{
if (track == null)
{
return;
}
if (track.Artist == "" || track.Title == "")
{
return;
}
// DebugHelper.WriteLine("Loading Extended Attributes " + track.Description);
var attributes = GetExtendedAttributes(track.Description);
if (attributes.ContainsKey("FadeIn"))
{
track.FadeInStart = track.SecondsToSamples(ConversionHelper.ToDouble(attributes["FadeIn"]));
}
if (attributes.ContainsKey("FadeOut"))
{
track.FadeOutStart = track.SecondsToSamples(ConversionHelper.ToDouble(attributes["FadeOut"]));
}
if (attributes.ContainsKey("BPMAdjust"))
{
track.BpmAdjustmentRatio = ConversionHelper.ToDecimal(attributes["BPMAdjust"]);
}
if (attributes.ContainsKey("FadeInLengthInSeconds"))
{
track.FadeInEnd = track.FadeInStart +
track.SecondsToSamples(ConversionHelper.ToDouble(attributes["FadeInLengthInSeconds"]));
}
if (attributes.ContainsKey("FadeOutLengthInSeconds"))
{
track.FadeOutEnd = track.FadeOutStart +
track.SecondsToSamples(ConversionHelper.ToDouble(attributes["FadeOutLengthInSeconds"]));
}
if (attributes.ContainsKey("PreFadeInStartVolume"))
{
track.PreFadeInStartVolume = ConversionHelper.ToFloat(attributes["PreFadeInStartVolume"]) / 100;
track.UsePreFadeIn = true;
}
if (attributes.ContainsKey("PreFadeInPosition"))
{
track.PreFadeInStart = track.SecondsToSamples(ConversionHelper.ToDouble(attributes["PreFadeInPosition"]));
track.UsePreFadeIn = true;
}
if (attributes.ContainsKey("PreFadeInStart"))
{
track.PreFadeInStart = track.SecondsToSamples(ConversionHelper.ToDouble(attributes["PreFadeInStart"]));
track.UsePreFadeIn = true;
}
if (attributes.ContainsKey("StartBPM"))
{
track.StartBpm = BpmHelper.NormaliseBpm(ConversionHelper.ToDecimal(attributes["StartBPM"]));
}
if (attributes.ContainsKey("EndBPM"))
{
track.EndBpm = BpmHelper.NormaliseBpm(ConversionHelper.ToDecimal(attributes["EndBPM"]));
}
if (attributes.ContainsKey("Duration"))
{
if (track.Length == 0)
{
track.Length = (long)(ConversionHelper.ToDouble(attributes["Duration"]) * 1000);
}
}
if (attributes.ContainsKey("PowerDown"))
{
track.PowerDownOnEnd = ConversionHelper.ToBoolean(attributes["PowerDown"]);
track.PowerDownOnEndOriginal = track.PowerDownOnEnd;
}
if (attributes.ContainsKey("StartLoopCount"))
{
track.StartLoopCount = ConversionHelper.ToInt(attributes["StartLoopCount"]);
}
if (attributes.ContainsKey("EndLoopCount"))
{
track.EndLoopCount = ConversionHelper.ToInt(attributes["EndLoopCount"]);
}
if (attributes.ContainsKey("SkipStart"))
{
track.SkipStart = track.SecondsToSamples(ConversionHelper.ToDouble(attributes["SkipStart"]));
}
if (attributes.ContainsKey("SkipLengthInSeconds"))
{
track.SkipEnd = track.SkipStart +
track.SecondsToSamples(ConversionHelper.ToDouble(attributes["SkipLengthInSeconds"]));
}
if (attributes.ContainsKey("Rank"))
{
track.Rank = ConversionHelper.ToInt(attributes["Rank"], 1);
}
if (attributes.ContainsKey("Key"))
{
track.Key = attributes["Key"];
}
}
