/// <summary>
/// Sorts, removes empty tracks and adds end track markers
/// </summary>
public void PrepareForExport()
{
var comparer = new MidiEventComparer();
// 1. sort each track
foreach (List <MidiEvent> list in trackEvents)
{
MergeSort.Sort(list, comparer);
// 2. remove all End track events except one at the very end
int index = 0;
while (index < list.Count - 1)
{
if (MidiEvent.IsEndTrack(list[index]))
{
list.RemoveAt(index);
}
else
{
index++;
}
}
}
int track = 0;
// 3. remove empty tracks and add missing
while (track < trackEvents.Count)
{
IList <MidiEvent> list = trackEvents[track];
if (list.Count == 0)
{
RemoveTrack(track);
}
else
{
if (list.Count == 1 && MidiEvent.IsEndTrack(list[0]))
{
RemoveTrack(track);
}
else
{
if (!MidiEvent.IsEndTrack(list[list.Count - 1]))
{
list.Add(new MetaEvent(MetaEventType.EndTrack, 0, list[list.Count - 1].AbsoluteTime));
}
track++;
}
}
}
}
public void PrepareForExport()
{
MidiEventComparer comparer = new MidiEventComparer();
foreach (IList <MidiEvent> list in this.trackEvents)
{
List <MidiEvent> list2 = (List <MidiEvent>)list;
MergeSort.Sort <MidiEvent>(list2, comparer);
int i = 0;
while (i < list2.Count - 1)
{
if (MidiEvent.IsEndTrack(list2[i]))
{
list2.RemoveAt(i);
}
else
{
i++;
}
}
}
int j = 0;
while (j < this.trackEvents.Count)
{
IList <MidiEvent> list3 = this.trackEvents[j];
if (list3.Count == 0)
{
this.RemoveTrack(j);
}
else if (list3.Count == 1 && MidiEvent.IsEndTrack(list3[0]))
{
this.RemoveTrack(j);
}
else
{
if (!MidiEvent.IsEndTrack(list3[list3.Count - 1]))
{
list3.Add(new MetaEvent(MetaEventType.EndTrack, 0, list3[list3.Count - 1].AbsoluteTime));
}
j++;
}
}
}