// Token: 0x06003252 RID: 12882 RVA: 0x00147588 File Offset: 0x00145788
public IEnumerable <MidiChunk> Convert(IEnumerable <MidiChunk> chunks)
{
TrackChunk[] array = chunks.OfType <TrackChunk>().ToArray <TrackChunk>();
if (array.Length != 1)
{
return(chunks);
}
MultiTrackChunksConverter.TrackChunkDescriptor[] array2 = (from i in Enumerable.Range(0, 17)
select new MultiTrackChunksConverter.TrackChunkDescriptor()).ToArray <MultiTrackChunksConverter.TrackChunkDescriptor>();
FourBitNumber?fourBitNumber = null;
using (IEnumerator <MidiEvent> enumerator = (from m in array.First <TrackChunk>().Events
select m.Clone()).GetEnumerator())
{
while (enumerator.MoveNext())
{
MidiEvent midiEvent = enumerator.Current;
Array.ForEach <MultiTrackChunksConverter.TrackChunkDescriptor>(array2, delegate(MultiTrackChunksConverter.TrackChunkDescriptor d)
{
d.DeltaTime += midiEvent.DeltaTime;
});
ChannelEvent channelEvent = midiEvent as ChannelEvent;
if (channelEvent != null)
{
array2[(int)(channelEvent.Channel + 1)].AddEvent(midiEvent.Clone());
fourBitNumber = null;
}
else
{
if (!(midiEvent is MetaEvent))
{
fourBitNumber = null;
}
ChannelPrefixEvent channelPrefixEvent = midiEvent as ChannelPrefixEvent;
if (channelPrefixEvent != null)
{
fourBitNumber = new FourBitNumber?((FourBitNumber)channelPrefixEvent.Channel);
}
if (fourBitNumber != null)
{
array2[(int)(fourBitNumber.Value + 1)].AddEvent(midiEvent);
}
else
{
array2[0].AddEvent(midiEvent);
}
}
}
}
return((from d in array2
select d.Chunk into c
where c.Events.Any <MidiEvent>()
select c).Concat(from c in chunks
where !(c is TrackChunk)
select c));
}
