public static ProcessResultArray <Clip> Apply(TransposeOptions options, params Clip[] clips)
{
if (options.By == null)
{
options.By = new Clip(4, true);
}
if (options.By.Count == 0 && options.TransposeValues.Length == 0)
{
return(new ProcessResultArray <Clip>("No -by clip or transpose values specified."));
}
int basePitch = 60;
if (options.By.Count > 0)
{
basePitch = options.By.Notes[0].Pitch;
}
if (options.Mode == TransposeMode.Absolute)
{
basePitch -= basePitch % 12;
}
if (options.Mode == TransposeMode.Relative && options.By.Notes.Count > 0)
{
basePitch = options.By.Notes[0].Pitch;
}
int[] transposeValues;
if (options.TransposeValues.Length > 0)
{
transposeValues = options.TransposeValues;
}
else
{
transposeValues = options.By.Notes.Select(x => x.Pitch - basePitch).ToArray();
}
foreach (var clip in clips)
{
clip.GroupSimultaneousNotes();
for (var i = 0; i < clip.Count; i++)
{
clip.Notes[i].Pitch += transposeValues[i % transposeValues.Length];
}
clip.Flatten();
}
return(new ProcessResultArray <Clip>(clips));
}
public static ProcessResultArray <Clip> Apply(TransposeOptions options, params Clip[] clips)
{
if (options.By == null)
{
options.By = new Clip(4, true);
}
if (options.By.Count == 0 && options.TransposeValues.Length == 0)
{
return(new ProcessResultArray <Clip>("No -by clip or transpose values specified."));
}
//todo: maybe allow -mono option to monophonize by-clip
//ClipUtilities.Monophonize(options.By);
int basePitch = 60;
if (options.By.Count > 0)
{
basePitch = options.By.Notes[0].Pitch;
}
if (options.Mode == TransposeMode.Absolute)
{
basePitch -= basePitch % 12;
}
if (options.Mode == TransposeMode.Relative && options.By.Notes.Count > 0)
{
basePitch = options.By.Notes[0].Pitch;
}
int[] transposeValues;
if (options.TransposeValues.Length > 0)
{
transposeValues = options.TransposeValues;
}
else
{
transposeValues = options.By.Notes.Select(x =>
options.Mode == TransposeMode.Overwrite ?
x.Pitch :
x.Pitch - basePitch
).ToArray();
}
foreach (var clip in clips)
{
clip.GroupSimultaneousNotes();
if (options.Mode == TransposeMode.Overwrite)
{
for (var i = 0; i < clip.Count; i++)
{
clip.Notes[i].Pitch = transposeValues[i % transposeValues.Length];
}
}
else
{
for (var i = 0; i < clip.Count; i++)
{
clip.Notes[i].Pitch += transposeValues[i % transposeValues.Length];
}
}
clip.Flatten();
}
return(new ProcessResultArray <Clip>(clips)); // currently destructive
}