public static void Read(TagLibMetaDataSource source, IList <MetaDataItem> metaData, File file)
{
if (file.TagTypes.HasFlag(TagTypes.Id3v2))
{
var tag = GetTag <global::TagLib.Id3v2.Tag>(file, TagTypes.Id3v2);
if (tag == null)
{
return;
}
foreach (var frame in tag.GetFrames <global::TagLib.Id3v2.PopularimeterFrame>())
{
ReadPopularimeterFrame(source, metaData, file, frame);
}
}
else
{
var rating = ReadCustomTag(CommonMetaData.Rating, file);
if (!string.IsNullOrEmpty(rating))
{
source.AddTag(metaData, CommonMetaData.Rating, rating);
}
var playCount = ReadCustomTag(CommonMetaData.PlayCount, file);
if (!string.IsNullOrEmpty(playCount))
{
source.AddTag(metaData, CommonMetaData.Rating, playCount);
}
}
}
public static void Read(TagLibMetaDataSource source, IList <MetaDataItem> metaData, File file)
{
var isCompilation = default(bool);
if (TagManager.HasTag(file, TagTypes.Id3v2))
{
var tag = TagManager.GetTag <global::TagLib.Id3v2.Tag>(file, TagTypes.Id3v2);
if (tag != null)
{
isCompilation = tag.IsCompilation;
}
}
else if (TagManager.HasTag(file, TagTypes.Apple))
{
var tag = TagManager.GetTag <global::TagLib.Mpeg4.AppleTag>(file, TagTypes.Apple);
if (tag != null)
{
isCompilation = tag.IsCompilation;
}
}
else if (TagManager.HasTag(file, TagTypes.Xiph))
{
var tag = TagManager.GetTag <global::TagLib.Ogg.XiphComment>(file, TagTypes.Xiph);
if (tag != null)
{
isCompilation = tag.IsCompilation;
}
}
//Check MB release type, it's innocuous so don't bother respecting READ_MUSICBRAINZ_TAGS.
if (string.Equals(file.Tag.MusicBrainzReleaseType, MusicBrainzReleaseType.Compilation, StringComparison.OrdinalIgnoreCase))
{
isCompilation = true;
}
if (isCompilation)
{
source.AddTag(metaData, CommonMetaData.IsCompilation, bool.TrueString);
//TODO: CustomMetaData.VariousArtists should go away but scripts use it, let's keep it updated for now.
source.AddTag(metaData, CustomMetaData.VariousArtists, bool.TrueString);
}
}
public static void Read(TagLibMetaDataSource source, IList <MetaDataItem> metaData, File file)
{
var tag = file.Tag;
if (tag.ReplayGainAlbumPeak != 0 && !double.IsNaN(tag.ReplayGainAlbumPeak) && !double.IsInfinity(tag.ReplayGainAlbumPeak))
{
source.AddTag(metaData, CommonMetaData.ReplayGainAlbumPeak, tag.ReplayGainAlbumPeak.ToString());
}
if (tag.ReplayGainAlbumGain != 0 && !double.IsNaN(tag.ReplayGainAlbumGain) && !double.IsInfinity(tag.ReplayGainAlbumGain))
{
source.AddTag(metaData, CommonMetaData.ReplayGainAlbumGain, tag.ReplayGainAlbumGain.ToString());
}
if (tag.ReplayGainTrackPeak != 0 && !double.IsNaN(tag.ReplayGainTrackPeak) && !double.IsInfinity(tag.ReplayGainTrackPeak))
{
source.AddTag(metaData, CommonMetaData.ReplayGainTrackPeak, tag.ReplayGainTrackPeak.ToString());
}
if (tag.ReplayGainTrackGain != 0 && !double.IsNaN(tag.ReplayGainTrackGain) && !double.IsInfinity(tag.ReplayGainTrackGain))
{
source.AddTag(metaData, CommonMetaData.ReplayGainTrackGain, tag.ReplayGainTrackGain.ToString());
}
}
private static void ReadPopularimeterFrame(TagLibMetaDataSource source, IList <MetaDataItem> metaData, File file, global::TagLib.Id3v2.PopularimeterFrame frame)
{
const byte RATING_1 = 1;
const byte RATING_2 = 64;
const byte RATING_3 = 128;
const byte RATING_4 = 196;
const byte RATING_5 = 255;
if (frame.Rating != 0)
{
var rating = 0;
switch (frame.Rating)
{
case RATING_1:
rating = 1;
break;
case RATING_2:
rating = 2;
break;
case RATING_3:
rating = 3;
break;
case RATING_4:
rating = 4;
break;
case RATING_5:
rating = 5;
break;
}
source.AddTag(metaData, CommonMetaData.Rating, Convert.ToString(rating));
}
if (frame.PlayCount != 0)
{
source.AddTag(metaData, CommonMetaData.PlayCount, Convert.ToString(frame.PlayCount));
}
}
public static void Read(TagLibMetaDataSource source, IList <MetaDataItem> metaData, File file)
{
var result = new Dictionary <string, string>(StringComparer.OrdinalIgnoreCase);
//If it's an Id3v2 tag then try to read the popularimeter frame.
//It can contain a rating and a play counter.
if (file.TagTypes.HasFlag(TagTypes.Id3v2))
{
var tag = TagManager.GetTag <global::TagLib.Id3v2.Tag>(file, TagTypes.Id3v2);
if (tag == null)
{
return;
}
foreach (var frame in tag.GetFrames <global::TagLib.Id3v2.PopularimeterFrame>())
{
ReadPopularimeterFrame(frame, result);
}
}
//If we didn't find a popularimeter frame then attempt to read the rating from a custom tag.
if (!result.ContainsKey(CommonStatistics.Rating))
{
var rating = TagManager.ReadCustomTag(CommonStatistics.Rating, file);
if (!string.IsNullOrEmpty(rating))
{
result.Add(CommonStatistics.Rating, Convert.ToString(GetRatingStars(rating)));
}
else
{
result.Add(CommonStatistics.Rating, string.Empty);
}
}
//If we didn't find a popularimeter frame then attempt to read the play count from a custom tag.
if (!result.ContainsKey(CommonStatistics.PlayCount))
{
var playCount = TagManager.ReadCustomTag(CommonStatistics.PlayCount, file);
if (!string.IsNullOrEmpty(playCount))
{
result.Add(CommonStatistics.PlayCount, playCount);
}
else
{
result.Add(CommonStatistics.PlayCount, "0");
}
}
//Popularimeter frame does not support last played, attempt to read the play count from a custom tag.
//if (!result.ContainsKey(CommonMetaData.LastPlayed))
{
var lastPlayed = TagManager.ReadCustomTag(CommonStatistics.LastPlayed, file);
if (!string.IsNullOrEmpty(lastPlayed))
{
result.Add(CommonStatistics.LastPlayed, lastPlayed);
}
else
{
result.Add(CommonStatistics.LastPlayed, DateTimeHelper.NEVER);
}
}
//Copy our informations back to the meta data collection.
foreach (var key in result.Keys)
{
var value = result[key];
source.AddTag(metaData, key, value);
}
}
