private SongReader(string filename)
{
_f = new File(filename);
_builder = new SongBuilder();
ReadMetaData();
ReadAnalysisData();
SongInfo = _builder.Build();
_f.Dispose();
}
Song ParseRow(string row_data)
{
var song_builder = new SongBuilder();
string[] fields = row_data.Split('\t');
//0 -> id; ignore
int ptr = 1;
//Segment stats
//1-8 -> LoudnessStart
var loudness_start = ReadAggregate(fields, ref ptr);
//9-16 -> LoudnessMax
var loudness_max = ReadAggregate(fields, ref ptr);
//17-24 -> LoudnessMaxTime
var loudness_max_time = ReadAggregate(fields, ref ptr);
//25-32 -> Duration
var seg_duration = ReadAggregate(fields, ref ptr);
//Segment stats: Pitches
var pitches = ReadAggregates(fields, ref ptr, 12);
//Segment stats: Timbre
var timbre = ReadAggregates(fields, ref ptr, 12);
var segment_stats = new SegmentStats(0d, loudness_start, loudness_max_time, loudness_max, seg_duration, pitches, timbre);
//Sections stats
//?? -> Count
var sec_count = ReadIntField(fields, ref ptr);
//??+7 -> Duration
var sec_duration = ReadAggregate(fields, ref ptr);
var sections_stats = new SectionStats(0d, sec_duration, sec_count);
//Single attrs
//?? -> ArtistLatitude
var artist_latitude = ReadDoubleField(fields, ref ptr);
//?? -> ArtistLongitude
var artist_longitude = ReadDoubleField(fields, ref ptr);
//?? -> Danceability
var danceability = ReadDoubleField(fields, ref ptr);
//?? -> Duration
var duration = ReadDoubleField(fields, ref ptr);
//?? -> Energy
var energy = ReadDoubleField(fields, ref ptr);
//?? -> Tempo
var tempo = ReadDoubleField(fields, ref ptr);
//?? -> ArtistName
var artist_name = ReadField(fields, ref ptr);
//?? -> Genre
var genre = ReadField(fields, ref ptr);
//?? -> TrackName
var track_name = ReadField(fields, ref ptr);
return new Song(artist_name, track_name, segment_stats, sections_stats, 0d, 0d, artist_longitude, artist_latitude, danceability, duration, energy, tempo, Key.AflatMaj, new TimeSignature(), genre);
}