// 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));
}
// Token: 0x06003262 RID: 12898 RVA: 0x0014778C File Offset: 0x0014598C
public IEnumerable <MidiChunk> Convert(IEnumerable <MidiChunk> chunks)
{
TrackChunk[] array = chunks.OfType <TrackChunk>().ToArray <TrackChunk>();
if (array.Length == 1)
{
return(chunks);
}
MidiEvent midiEvent;
IEnumerable <SingleTrackChunksConverter.EventDescriptor> enumerable = array.SelectMany(delegate(TrackChunk trackChunk)
{
long absoluteTime = 0L;
int channel = -1;
return(trackChunk.Events.Select(delegate(MidiEvent midiEvent)
{
ChannelPrefixEvent channelPrefixEvent = midiEvent as ChannelPrefixEvent;
if (channelPrefixEvent != null)
{
channel = (int)channelPrefixEvent.Channel;
}
if (!(midiEvent is MetaEvent))
{
channel = -1;
}
return new SingleTrackChunksConverter.EventDescriptor(midiEvent, absoluteTime += midiEvent.DeltaTime, channel);
}));
}).OrderBy((SingleTrackChunksConverter.EventDescriptor d) => d, new SingleTrackChunksConverter.EventDescriptorComparer());
TrackChunk trackChunk2 = new TrackChunk();
long num = 0L;
foreach (SingleTrackChunksConverter.EventDescriptor eventDescriptor in enumerable)
{
midiEvent = eventDescriptor.Event.Clone();
midiEvent.DeltaTime = eventDescriptor.AbsoluteTime - num;
trackChunk2.Events.Add(midiEvent);
num = eventDescriptor.AbsoluteTime;
}
return(new TrackChunk[]
{
trackChunk2
}.Concat(from c in chunks
where !(c is TrackChunk)
select c));
}
// Token: 0x06003268 RID: 12904 RVA: 0x001478A8 File Offset: 0x00145AA8
public int Compare(SingleTrackChunksConverter.EventDescriptor x, SingleTrackChunksConverter.EventDescriptor y)
{
long num = x.AbsoluteTime - y.AbsoluteTime;
if (num != 0L)
{
return((int)(num / Math.Abs(num)));
}
MetaEvent metaEvent = x.Event as MetaEvent;
MetaEvent metaEvent2 = y.Event as MetaEvent;
if (metaEvent != null && metaEvent2 == null)
{
return(-1);
}
if (metaEvent == null && metaEvent2 != null)
{
return(1);
}
if (metaEvent == null && metaEvent2 == null)
{
return(0);
}
int num2 = x.Channel - y.Channel;
if (num2 != 0)
{
return(num2);
}
ChannelPrefixEvent channelPrefixEvent = x.Event as ChannelPrefixEvent;
ChannelPrefixEvent channelPrefixEvent2 = y.Event as ChannelPrefixEvent;
if (channelPrefixEvent != null && channelPrefixEvent2 == null)
{
return(-1);
}
if (channelPrefixEvent == null && channelPrefixEvent2 != null)
{
return(1);
}
return(0);
}
