/// <summary>Write the track to the output stream.</summary>
/// <param name="outputStream">The output stream to which the track should be written.</param>
internal void Write(Stream outputStream)
{
Validate.NonNull("outputStream", outputStream);
// Make sure we have an end of track marker if we need one
if (!HasEndOfTrack && m_requireEndOfTrack)
{
throw new InvalidOperationException("The track cannot be written until it has an end of track marker.");
}
using (MemoryStream memStream = new MemoryStream()) {
// Get the event data and write it out
for (int i = 0; i < m_events.Count; i++)
{
m_events[i].Write(memStream);
}
// Tack on the header and write the whole thing out to the main stream.
MTrkChunkHeader header = new MTrkChunkHeader(memStream.ToArray());
header.Write(outputStream);
}
}
/// <summary>Reads a MIDI stream into a new MidiSequence.</summary>
/// <param name="inputStream">The stream containing the MIDI data.</param>
/// <returns>A MidiSequence containing the parsed MIDI data.</returns>
public static MidiSequence Open(Stream inputStream)
{
Validate.NonNull("inputStream", inputStream);
// Read in the main MIDI header
MThdChunkHeader mainHeader = MThdChunkHeader.Read(inputStream);
// Read in all of the tracks
MTrkChunkHeader[] trackChunks = new MTrkChunkHeader[mainHeader.NumberOfTracks];
for (int i = 0; i < mainHeader.NumberOfTracks; i++)
{
trackChunks[i] = MTrkChunkHeader.Read(inputStream);
}
// Create the MIDI sequence
MidiSequence sequence = new MidiSequence(mainHeader.Format, mainHeader.Division);
for (int i = 0; i < mainHeader.NumberOfTracks; i++)
{
sequence.Tracks.Add(MidiParser.ParseToTrack(trackChunks[i].Data));
}
return(sequence);
}
