/* sweep the tempo to a new value relative to the current value */
public static void TempoControlSweepToAdjustedValue(
TempoControlRec Tempo,
LargeBCDType AdjustBPM,
SmallExtBCDType NumBeatsToReach)
{
TempoControlSweepHelper(
Tempo,
Tempo.CurrentBeatsPerMinute + (double)AdjustBPM,
NumBeatsToReach);
}
/* sweep the tempo to a new value */
public static void TempoControlSweepToNewValue(
TempoControlRec Tempo,
LargeBCDType NewBPM,
SmallExtBCDType NumBeatsToReach)
{
TempoControlSweepHelper(
Tempo,
(double)NewBPM,
NumBeatsToReach);
}
/* set the tempo to the specified number of beats per minute */
public static void TempoControlSetBeatsPerMinute(
TempoControlRec Tempo,
LargeBCDType NewBeatsPerMinute)
{
Tempo.CurrentBeatsPerMinute = (double)NewBeatsPerMinute;
if (Tempo.CurrentBeatsPerMinute < MINBPM)
{
Tempo.CurrentBeatsPerMinute = MINBPM;
}
Tempo.BeatsPerMinuteChangeCountdown = 0;
}
/* adjust the tempo by adding the specified value to it */
public static void TempoControlAdjustBeatsPerMinute(
TempoControlRec Tempo,
LargeBCDType IncrementBeatsPerMinute)
{
Tempo.CurrentBeatsPerMinute += (double)IncrementBeatsPerMinute;
if (Tempo.CurrentBeatsPerMinute < MINBPM)
{
Tempo.CurrentBeatsPerMinute = MINBPM;
}
Tempo.BeatsPerMinuteChangeCountdown = 0;
}
/* create a new tempo control record */
public static TempoControlRec NewTempoControl(LargeBCDType DefaultBeatsPerMinute)
{
#if DEBUG
Debug.Assert(DURATIONUPDATECLOCKRESOLUTION == Constants.Denominator);
#endif
TempoControlRec Tempo = new TempoControlRec();
Tempo.DefaultBeatsPerMinute = (double)DefaultBeatsPerMinute;
Tempo.CurrentBeatsPerMinute = Tempo.DefaultBeatsPerMinute;
ResetLinearTransition(ref Tempo.BeatsPerMinuteChange, 0, 0, 1);
Tempo.BeatsPerMinuteChangeCountdown = 0;
return(Tempo);
}
public SynthesizerGeneratorParams(
IMainWindowServices mainWindow,
Document document,
List <TrackObjectRec> listOfTracks,
TrackObjectRec keyTrack,
int frameToStartAt,
int samplingRate,
int envelopeRate,
NumChannelsType channels,
LargeBCDType defaultBeatsPerMinute,
double overallVolumeScalingReciprocal,
LargeBCDType scanningGap,
NumBitsType bits,
bool clipWarn,
int oversamplingFactor,
bool showSummary,
bool deterministic,// now ignored - control by setting randomSeed to null or int
int?randomSeed,
Synthesizer.AutomationSettings automationSettings)
{
this.mainWindow = mainWindow;
this.document = document;
this.listOfTracks = listOfTracks;
this.keyTrack = keyTrack;
this.frameToStartAt = frameToStartAt;
this.samplingRate = samplingRate;
this.envelopeRate = envelopeRate;
this.channels = channels;
this.defaultBeatsPerMinute = defaultBeatsPerMinute;
this.overallVolumeScalingReciprocal = overallVolumeScalingReciprocal;
this.scanningGap = scanningGap;
this.bits = bits;
this.clipWarn = clipWarn;
this.oversamplingFactor = oversamplingFactor;
this.showSummary = showSummary;
this.deterministic = deterministic;
this.randomSeed = randomSeed;
this.automationSettings = automationSettings;
}
public Source(Document document)
{
_document = document;
_SamplingRate = document.SamplingRate;
_EnvelopeUpdateRate = document.EnvelopeUpdateRate;
_Oversampling = document.Oversampling;
_DefaultBeatsPerMinute = (LargeBCDType)document.DefaultBeatsPerMinute;
_OverallVolumeScalingFactor = (LargeBCDType)document.OverallVolumeScalingFactor;
_OutputNumBits = document.OutputNumBits;
_ScanningGap = (LargeBCDType)document.ScanningGap;
_BufferDuration = (LargeBCDType)document.BufferDuration;
_ClipWarning = document.ClipWarning;
_NumChannels = document.NumChannels;
_ShowSummary = document.ShowSummary;
_Deterministic = document.Deterministic;
_Seed = document.Seed;
foreach (TrackObjectRec Track in document.TrackList)
{
IncludedTracks.Add(new TrackInclusionRec(Track, this));
}
document.TrackList.ListChanged += TrackList_ListChanged;
}
public void WriteLBCD(LargeBCDType lbcd)
{
WriteInt32(lbcd.rawInt32);
}
public LargeBCDType ReadLBCD()
{
return(LargeBCDType.FromRawInt32(ReadInt32()));
}
/* process commands in the queue that occur now. this should be called after */
/* queueing commands, but before incrementing the execution index, and before */
/* processing the data, so that commands are handled at the beginning of a */
/* transition. */
public static void TrackEffectProcessQueuedCommands(
TrackEffectGenRec Generator,
SynthParamRec SynthParams)
{
if (Generator.List != null)
{
while ((Generator.ScanningGapListHead != null) &&
(Generator.ScanningGapListHead.StartTime <= Generator.ExecutionIndex))
{
CommandConsCell Cell;
/* since the start time of commands can't be adjusted, there should */
/* never be a command that is strictly less than. */
#if DEBUG
if (Generator.ScanningGapListHead.StartTime < Generator.ExecutionIndex)
{
// early command
Debug.Assert(false);
throw new InvalidOperationException();
}
#endif
/* unlink the cons cell */
Cell = Generator.ScanningGapListHead;
Generator.ScanningGapListHead = Generator.ScanningGapListHead.Next;
if (Generator.ScanningGapListHead == null)
{
Generator.ScanningGapListTail = null;
}
/* see what we're supposed to do with the command */
switch ((NoteCommands)(Cell.Command.Flags & ~NoteFlags.eCommandFlag))
{
default:
Debug.Assert(false);
throw new ArgumentException();
case NoteCommands.eCmdSetEffectParam1: /* specify the new default effect parameter in <1l> */
case NoteCommands.eCmdSetScoreEffectParam1:
case NoteCommands.eCmdSetSectionEffectParam1:
Generator.Accents0.Current
= (double)LargeBCDType.FromRawInt32(Cell.Command._Argument1);
Generator.Accents0.ChangeCountdown = 0;
break;
case NoteCommands.eCmdIncEffectParam1: /* add <1l> to the default effect parameter */
case NoteCommands.eCmdIncScoreEffectParam1:
case NoteCommands.eCmdIncSectionEffectParam1:
Generator.Accents0.Current
+= (double)LargeBCDType.FromRawInt32(Cell.Command._Argument1);
Generator.Accents0.ChangeCountdown = 0;
break;
case NoteCommands.eCmdSweepEffectParamAbs1: /* <1l> = new effect parameter, <2xs> = # of beats to get there */
case NoteCommands.eCmdSweepScoreEffectParamAbs1:
case NoteCommands.eCmdSweepSectionEffectParamAbs1:
SweepToNewValue(
ref Generator.Accents0,
LargeBCDType.FromRawInt32(Cell.Command._Argument1),
SmallExtBCDType.FromRawInt32(Cell.Command._Argument2));
break;
case NoteCommands.eCmdSweepEffectParamRel1: /* <1l> = effect parameter adjust, <2xs> = # of beats to get there */
case NoteCommands.eCmdSweepScoreEffectParamRel1:
case NoteCommands.eCmdSweepSectionEffectParamRel1:
SweepToAdjustedValue(
ref Generator.Accents0,
LargeBCDType.FromRawInt32(Cell.Command._Argument1),
SmallExtBCDType.FromRawInt32(Cell.Command._Argument2));
break;
case NoteCommands.eCmdSetEffectParam2: /* specify the new default effect parameter in <1l> */
case NoteCommands.eCmdSetScoreEffectParam2:
case NoteCommands.eCmdSetSectionEffectParam2:
Generator.Accents1.Current
= (double)LargeBCDType.FromRawInt32(Cell.Command._Argument1);
Generator.Accents1.ChangeCountdown = 0;
break;
case NoteCommands.eCmdIncEffectParam2: /* add <1l> to the default effect parameter */
case NoteCommands.eCmdIncScoreEffectParam2:
case NoteCommands.eCmdIncSectionEffectParam2:
Generator.Accents1.Current
+= (double)LargeBCDType.FromRawInt32(Cell.Command._Argument1);
Generator.Accents1.ChangeCountdown = 0;
break;
case NoteCommands.eCmdSweepEffectParamAbs2: /* <1l> = new effect parameter, <2xs> = # of beats to get there */
case NoteCommands.eCmdSweepScoreEffectParamAbs2:
case NoteCommands.eCmdSweepSectionEffectParamAbs2:
SweepToNewValue(
ref Generator.Accents1,
LargeBCDType.FromRawInt32(Cell.Command._Argument1),
SmallExtBCDType.FromRawInt32(Cell.Command._Argument2));
break;
case NoteCommands.eCmdSweepEffectParamRel2: /* <1l> = effect parameter adjust, <2xs> = # of beats to get there */
case NoteCommands.eCmdSweepScoreEffectParamRel2:
case NoteCommands.eCmdSweepSectionEffectParamRel2:
SweepToAdjustedValue(
ref Generator.Accents1,
LargeBCDType.FromRawInt32(Cell.Command._Argument1),
SmallExtBCDType.FromRawInt32(Cell.Command._Argument2));
break;
case NoteCommands.eCmdSetEffectParam3: /* specify the new default effect parameter in <1l> */
case NoteCommands.eCmdSetScoreEffectParam3:
case NoteCommands.eCmdSetSectionEffectParam3:
Generator.Accents2.Current
= (double)LargeBCDType.FromRawInt32(Cell.Command._Argument1);
Generator.Accents2.ChangeCountdown = 0;
break;
case NoteCommands.eCmdIncEffectParam3: /* add <1l> to the default effect parameter */
case NoteCommands.eCmdIncScoreEffectParam3:
case NoteCommands.eCmdIncSectionEffectParam3:
Generator.Accents2.Current
+= (double)LargeBCDType.FromRawInt32(Cell.Command._Argument1);
Generator.Accents2.ChangeCountdown = 0;
break;
case NoteCommands.eCmdSweepEffectParamAbs3: /* <1l> = new effect parameter, <2xs> = # of beats to get there */
case NoteCommands.eCmdSweepScoreEffectParamAbs3:
case NoteCommands.eCmdSweepSectionEffectParamAbs3:
SweepToNewValue(
ref Generator.Accents2,
LargeBCDType.FromRawInt32(Cell.Command._Argument1),
SmallExtBCDType.FromRawInt32(Cell.Command._Argument2));
break;
case NoteCommands.eCmdSweepEffectParamRel3: /* <1l> = effect parameter adjust, <2xs> = # of beats to get there */
case NoteCommands.eCmdSweepScoreEffectParamRel3:
case NoteCommands.eCmdSweepSectionEffectParamRel3:
SweepToAdjustedValue(
ref Generator.Accents2,
LargeBCDType.FromRawInt32(Cell.Command._Argument1),
SmallExtBCDType.FromRawInt32(Cell.Command._Argument2));
break;
case NoteCommands.eCmdSetEffectParam4: /* specify the new default effect parameter in <1l> */
case NoteCommands.eCmdSetScoreEffectParam4:
case NoteCommands.eCmdSetSectionEffectParam4:
Generator.Accents3.Current
= (double)LargeBCDType.FromRawInt32(Cell.Command._Argument1);
Generator.Accents3.ChangeCountdown = 0;
break;
case NoteCommands.eCmdIncEffectParam4: /* add <1l> to the default effect parameter */
case NoteCommands.eCmdIncScoreEffectParam4:
case NoteCommands.eCmdIncSectionEffectParam4:
Generator.Accents3.Current
+= (double)LargeBCDType.FromRawInt32(Cell.Command._Argument1);
Generator.Accents3.ChangeCountdown = 0;
break;
case NoteCommands.eCmdSweepEffectParamAbs4: /* <1l> = new effect parameter, <2xs> = # of beats to get there */
case NoteCommands.eCmdSweepScoreEffectParamAbs4:
case NoteCommands.eCmdSweepSectionEffectParamAbs4:
SweepToNewValue(
ref Generator.Accents3,
LargeBCDType.FromRawInt32(Cell.Command._Argument1),
SmallExtBCDType.FromRawInt32(Cell.Command._Argument2));
break;
case NoteCommands.eCmdSweepEffectParamRel4: /* <1l> = effect parameter adjust, <2xs> = # of beats to get there */
case NoteCommands.eCmdSweepScoreEffectParamRel4:
case NoteCommands.eCmdSweepSectionEffectParamRel4:
SweepToAdjustedValue(
ref Generator.Accents3,
LargeBCDType.FromRawInt32(Cell.Command._Argument1),
SmallExtBCDType.FromRawInt32(Cell.Command._Argument2));
break;
case NoteCommands.eCmdSetEffectParam5: /* specify the new default effect parameter in <1l> */
case NoteCommands.eCmdSetScoreEffectParam5:
case NoteCommands.eCmdSetSectionEffectParam5:
Generator.Accents4.Current
= (double)LargeBCDType.FromRawInt32(Cell.Command._Argument1);
Generator.Accents4.ChangeCountdown = 0;
break;
case NoteCommands.eCmdIncEffectParam5: /* add <1l> to the default effect parameter */
case NoteCommands.eCmdIncScoreEffectParam5:
case NoteCommands.eCmdIncSectionEffectParam5:
Generator.Accents4.Current
+= (double)LargeBCDType.FromRawInt32(Cell.Command._Argument1);
Generator.Accents4.ChangeCountdown = 0;
break;
case NoteCommands.eCmdSweepEffectParamAbs5: /* <1l> = new effect parameter, <2xs> = # of beats to get there */
case NoteCommands.eCmdSweepScoreEffectParamAbs5:
case NoteCommands.eCmdSweepSectionEffectParamAbs5:
SweepToNewValue(
ref Generator.Accents4,
LargeBCDType.FromRawInt32(Cell.Command._Argument1),
SmallExtBCDType.FromRawInt32(Cell.Command._Argument2));
break;
case NoteCommands.eCmdSweepEffectParamRel5: /* <1l> = effect parameter adjust, <2xs> = # of beats to get there */
case NoteCommands.eCmdSweepScoreEffectParamRel5:
case NoteCommands.eCmdSweepSectionEffectParamRel5:
SweepToAdjustedValue(
ref Generator.Accents4,
LargeBCDType.FromRawInt32(Cell.Command._Argument1),
SmallExtBCDType.FromRawInt32(Cell.Command._Argument2));
break;
case NoteCommands.eCmdSetEffectParam6: /* specify the new default effect parameter in <1l> */
case NoteCommands.eCmdSetScoreEffectParam6:
case NoteCommands.eCmdSetSectionEffectParam6:
Generator.Accents5.Current
= (double)LargeBCDType.FromRawInt32(Cell.Command._Argument1);
Generator.Accents5.ChangeCountdown = 0;
break;
case NoteCommands.eCmdIncEffectParam6: /* add <1l> to the default effect parameter */
case NoteCommands.eCmdIncScoreEffectParam6:
case NoteCommands.eCmdIncSectionEffectParam6:
Generator.Accents5.Current
+= (double)LargeBCDType.FromRawInt32(Cell.Command._Argument1);
Generator.Accents5.ChangeCountdown = 0;
break;
case NoteCommands.eCmdSweepEffectParamAbs6: /* <1l> = new effect parameter, <2xs> = # of beats to get there */
case NoteCommands.eCmdSweepScoreEffectParamAbs6:
case NoteCommands.eCmdSweepSectionEffectParamAbs6:
SweepToNewValue(
ref Generator.Accents5,
LargeBCDType.FromRawInt32(Cell.Command._Argument1),
SmallExtBCDType.FromRawInt32(Cell.Command._Argument2));
break;
case NoteCommands.eCmdSweepEffectParamRel6: /* <1l> = effect parameter adjust, <2xs> = # of beats to get there */
case NoteCommands.eCmdSweepScoreEffectParamRel6:
case NoteCommands.eCmdSweepSectionEffectParamRel6:
SweepToAdjustedValue(
ref Generator.Accents5,
LargeBCDType.FromRawInt32(Cell.Command._Argument1),
SmallExtBCDType.FromRawInt32(Cell.Command._Argument2));
break;
case NoteCommands.eCmdSetEffectParam7: /* specify the new default effect parameter in <1l> */
case NoteCommands.eCmdSetScoreEffectParam7:
case NoteCommands.eCmdSetSectionEffectParam7:
Generator.Accents6.Current
= (double)LargeBCDType.FromRawInt32(Cell.Command._Argument1);
Generator.Accents6.ChangeCountdown = 0;
break;
case NoteCommands.eCmdIncEffectParam7: /* add <1l> to the default effect parameter */
case NoteCommands.eCmdIncScoreEffectParam7:
case NoteCommands.eCmdIncSectionEffectParam7:
Generator.Accents6.Current
+= (double)LargeBCDType.FromRawInt32(Cell.Command._Argument1);
Generator.Accents6.ChangeCountdown = 0;
break;
case NoteCommands.eCmdSweepEffectParamAbs7: /* <1l> = new effect parameter, <2xs> = # of beats to get there */
case NoteCommands.eCmdSweepScoreEffectParamAbs7:
case NoteCommands.eCmdSweepSectionEffectParamAbs7:
SweepToNewValue(
ref Generator.Accents6,
LargeBCDType.FromRawInt32(Cell.Command._Argument1),
SmallExtBCDType.FromRawInt32(Cell.Command._Argument2));
break;
case NoteCommands.eCmdSweepEffectParamRel7: /* <1l> = effect parameter adjust, <2xs> = # of beats to get there */
case NoteCommands.eCmdSweepScoreEffectParamRel7:
case NoteCommands.eCmdSweepSectionEffectParamRel7:
SweepToAdjustedValue(
ref Generator.Accents6,
LargeBCDType.FromRawInt32(Cell.Command._Argument1),
SmallExtBCDType.FromRawInt32(Cell.Command._Argument2));
break;
case NoteCommands.eCmdSetEffectParam8: /* specify the new default effect parameter in <1l> */
case NoteCommands.eCmdSetScoreEffectParam8:
case NoteCommands.eCmdSetSectionEffectParam8:
Generator.Accents7.Current
= (double)LargeBCDType.FromRawInt32(Cell.Command._Argument1);
Generator.Accents7.ChangeCountdown = 0;
break;
case NoteCommands.eCmdIncEffectParam8: /* add <1l> to the default effect parameter */
case NoteCommands.eCmdIncScoreEffectParam8:
case NoteCommands.eCmdIncSectionEffectParam8:
Generator.Accents7.Current
+= (double)LargeBCDType.FromRawInt32(Cell.Command._Argument1);
Generator.Accents7.ChangeCountdown = 0;
break;
case NoteCommands.eCmdSweepEffectParamAbs8: /* <1l> = new effect parameter, <2xs> = # of beats to get there */
case NoteCommands.eCmdSweepScoreEffectParamAbs8:
case NoteCommands.eCmdSweepSectionEffectParamAbs8:
SweepToNewValue(
ref Generator.Accents7,
LargeBCDType.FromRawInt32(Cell.Command._Argument1),
SmallExtBCDType.FromRawInt32(Cell.Command._Argument2));
break;
case NoteCommands.eCmdSweepEffectParamRel8: /* <1l> = effect parameter adjust, <2xs> = # of beats to get there */
case NoteCommands.eCmdSweepScoreEffectParamRel8:
case NoteCommands.eCmdSweepSectionEffectParamRel8:
SweepToAdjustedValue(
ref Generator.Accents7,
LargeBCDType.FromRawInt32(Cell.Command._Argument1),
SmallExtBCDType.FromRawInt32(Cell.Command._Argument2));
break;
case NoteCommands.eCmdTrackEffectEnable:
case NoteCommands.eCmdScoreEffectEnable:
case NoteCommands.eCmdSectionEffectEnable:
if (!Generator.AutoQuiescence)
{
/* if autoquiescence is enabled, ignore the commands */
Generator.Enable = (Cell.Command._Argument1 < 0);
}
break;
}
}
/* increment our scanning gap back edge clock, after scheduling commands */
/* (this way, commands are scheduled on the beginning of the clock they */
/* should occur on). */
Generator.ExecutionIndex += 1;
/* since this routine is only called when samples are being generated, */
/* we don't have to worry about when to increment this counter */
}
}