public static SEQ Load(byte[] data) { if (data == null) { throw new ArgumentNullException("data"); } // All SEP/SEQ stuff is big-endian, like MIDI if (data.Length < 15) { MessageBox.Show("SEQ: Data is too short"); } int magic = BEBitConv.FromInt32(data, 0); int version = BEBitConv.FromInt32(data, 4); if (magic != Magic) { MessageBox.Show("SEQ: Magic number is wrong"); } if (version != Version) { MessageBox.Show("SEQ: Version number is wrong"); } short resolution = BEBitConv.FromInt16(data, 8); int tempo = MIDIConv.From3BE(data, 10); short rhythm = BEBitConv.FromInt16(data, 13); byte[] scoredata = new byte[data.Length - 15]; Array.Copy(data, 15, scoredata, 0, scoredata.Length); return(new SEQ(resolution, tempo, rhythm, scoredata)); }
public static SEQ FromMIDI(byte[] data) { if (data == null) { throw new ArgumentNullException("data"); } if (data.Length < 15) { MessageBox.Show("MIDI: Data is too short"); } short resolution = BEBitConv.FromInt16(data, 12); int tempo = MIDIConv.From3BE(data, 26); short rhythm = BEBitConv.FromInt16(data, 33); byte[] scoredata = new byte[data.Length - 37]; Array.Copy(data, 37, scoredata, 0, scoredata.Length); return(new SEQ(resolution, tempo, rhythm, scoredata)); }