/// <summary>
/// reads all tracks in filestream into three lists
/// </summary>
/// <returns>true if successful</returns>
private bool ReadAllTracks()
{
// number of tracks in the file
int numberOfTracks = ByteConverter.ToInt(this.Header.Tracks);
// loop each track
for (int i = 0; i < numberOfTracks; i++)
{
// add new track
this.Tracks.Add(new TrackChunk());
TrackChunk track = this.Tracks[this.Tracks.Count - 1];
// try reading the track info into the new track
if (!track.Read(this.Stream, this.TempoChanges, this.TimeSignatureChanges))
{
Console.WriteLine("Error reading track at index {0}.", i);
return(false);
}
#if DEBUG
#endif
}
// order tempo and timesignature changes by absolute timing
this.TempoChanges = this.TempoChanges.OrderBy(x => x.AbsoluteTiming).ToList();
this.TimeSignatureChanges = this.TimeSignatureChanges.OrderBy(x => x.AbsoluteTiming).ToList();
// order all trackevents and remove useless tracks
this.Tracks.RemoveAll(x => x.Events.Count == 0);
foreach (TrackChunk track in this.Tracks)
{
track.Events = track.Events.OrderBy(x => x.AbsoluteTiming).ToList();
}
return(true);
}
public void ReadData(Stream data)
{
trackChunks.Clear();
if (!data.CanRead)
{
throw new NotSupportedException("Stream does not support reading.");
}
long fileSize = data.Length;
headerChunk.Read(data);
int trackCount = 0;
while (data.Position < fileSize)
{
string str = data.ReadString(size: 4);
UInt32 chunkLength = data.ReadUInt32BE();
if (chunkLength > fileSize)
{
// TODO - Turn this into an exception?
Console.WriteLine("WARNING: Chunk size beyond end of stream, ignoring chunk.");
break;
}
if (str != "MTrk")
{
data.Position += chunkLength;
}
TrackChunk chunk = new TrackChunk(noteEventMatching);
chunk.Read(data, chunkLength);
trackChunks.Add(chunk);
trackCount++;
//Console.WriteLine(chunkCount);
}
}