/// <summary>
/// 音符に付随するピッチベンドの情報を、PIT・PBS カーブに反映する
/// </summary>
/// <param name="item">音符</param>
/// <param name="pitchBend">PIT カーブ</param>
/// <param name="pitchBendSensitivity">PBS カーブ</param>
/// <param name="tempoTable">テンポ情報</param>
protected void reflectNoteEventPitch( VsqEvent item, VsqBPList pitchBend, VsqBPList pitchBendSensitivity, TempoVector tempoTable )
{
if ( item.ID.type != VsqIDType.Anote ) return;
// AquesTone2 では、note on と同 clock にピッチベンドイベントを送らないと音程が反映されないので、必ずピッチイベントが送られるようにする
pitchBend.add( item.Clock, pitchBend.getValue( item.Clock ) );
if ( item.ID.VibratoHandle == null ) {
return;
}
int startClock = item.Clock + item.ID.VibratoDelay;
int vibratoLength = item.ID.Length - item.ID.VibratoDelay;
var iterator = new VibratoPointIteratorByClock( tempoTable,
item.ID.VibratoHandle.RateBP, item.ID.VibratoHandle.StartRate,
item.ID.VibratoHandle.DepthBP, item.ID.VibratoHandle.StartDepth,
startClock, vibratoLength );
var pitContext = new ByRef<int>( 0 );
var pbsContext = new ByRef<int>( 0 );
int pitAtEnd = pitchBend.getValue( startClock + vibratoLength );
int pbsAtEnd = pitchBendSensitivity.getValue( startClock + vibratoLength );
var pitBackup = (VsqBPList)pitchBend.Clone();
var pbsBackup = (VsqBPList)pitchBendSensitivity.Clone();
bool resetPBS = false;
double maxNetPitchBendInCent = 0.0;
for ( int clock = startClock; clock < startClock + vibratoLength && iterator.hasNext(); ++clock ) {
double vibratoPitchBendInCent = iterator.next() * 100.0;
int pit = pitchBend.getValue( clock, pitContext );
int pbs = pitchBendSensitivity.getValue( clock, pbsContext );
const double pow2_13 = 8192;
double netPitchBendInCent = (pbs * pit / pow2_13) * 100.0 + vibratoPitchBendInCent;
maxNetPitchBendInCent = Math.Max( maxNetPitchBendInCent, Math.Abs( netPitchBendInCent ) );
int draftPitchBend = (int)Math.Round( (netPitchBendInCent / 100.0) * pow2_13 / pbs );
if ( draftPitchBend < pitchBend.Minimum || pitchBend.Maximum < draftPitchBend ) {
// pbs を変更せずにビブラートによるピッチベンドを反映しようとすると、
// pit が範囲を超えてしまう。
resetPBS = true;
} else {
if ( draftPitchBend != pit ) {
pitchBend.add( clock, draftPitchBend );
}
}
}
if ( !resetPBS ) {
return;
}
pitchBend.Data = pitBackup.Data;
// ピッチベンドの最大値を実現するのに必要なPBS
int requiredPitchbendSensitivity = (int)Math.Ceiling( maxNetPitchBendInCent / 100.0 );
int pseudoMaxPitchbendSensitivity = 12; // AquesTone2 は最大 12 半音までベンドできる。
if ( requiredPitchbendSensitivity < pitchBendSensitivity.Minimum ) requiredPitchbendSensitivity = pitchBendSensitivity.Minimum;
if ( pseudoMaxPitchbendSensitivity < requiredPitchbendSensitivity ) requiredPitchbendSensitivity = pseudoMaxPitchbendSensitivity;
{
int i = 0;
while ( i < pitchBend.size() ) {
var clock = pitchBend.getKeyClock( i );
if ( startClock <= clock && clock < startClock + vibratoLength ) {
pitchBend.removeElementAt( i );
} else {
++i;
}
}
}
{
int i = 0;
while ( i < pitchBendSensitivity.size() ) {
var clock = pitchBendSensitivity.getKeyClock( i );
if ( startClock <= clock && clock < startClock + vibratoLength ) {
pitchBendSensitivity.removeElementAt( i );
} else {
++i;
}
}
}
if ( pitchBendSensitivity.getValue( startClock ) != requiredPitchbendSensitivity ) {
pitchBendSensitivity.add( startClock, requiredPitchbendSensitivity );
}
pitchBend.add( startClock + vibratoLength, pitAtEnd );
pitchBendSensitivity.add( startClock + vibratoLength, pbsAtEnd );
iterator.rewind();
pitContext.value = 0;
pbsContext.value = 0;
int lastPitchBend = pitchBend.getValue( startClock );
for ( int clock = startClock; clock < startClock + vibratoLength && iterator.hasNext(); ++clock ) {
double vibratoPitchBendInCent = iterator.next() * 100.0;
int pit = pitBackup.getValue( clock, pitContext );
int pbs = pbsBackup.getValue( clock, pbsContext );
const double pow2_13 = 8192;
double netPitchBendInCent = (pbs * pit / pow2_13) * 100.0 + vibratoPitchBendInCent;
maxNetPitchBendInCent = Math.Max( maxNetPitchBendInCent, Math.Abs( netPitchBendInCent ) );
int draftPitchBend = (int)Math.Round((netPitchBendInCent / 100.0) * pow2_13 / requiredPitchbendSensitivity);
if ( draftPitchBend < pitchBend.Minimum ) draftPitchBend = pitchBend.Minimum;
if ( pitchBend.Maximum < draftPitchBend ) draftPitchBend = pitchBend.Maximum;
if ( draftPitchBend != lastPitchBend ) {
pitchBend.add( clock, draftPitchBend );
lastPitchBend = draftPitchBend;
}
}
}
/// <summary>
/// 音符に付随するピッチベンドの情報を、PIT・PBS カーブに反映する
/// </summary>
/// <param name="item">音符</param>
/// <param name="pitchBend">PIT カーブ</param>
/// <param name="pitchBendSensitivity">PBS カーブ</param>
/// <param name="tempoTable">テンポ情報</param>
protected void reflectNoteEventPitch(VsqEvent item, VsqBPList pitchBend, VsqBPList pitchBendSensitivity, TempoVector tempoTable)
{
if (item.ID.type != VsqIDType.Anote)
{
return;
}
// AquesTone2 では、note on と同 clock にピッチベンドイベントを送らないと音程が反映されないので、必ずピッチイベントが送られるようにする
pitchBend.add(item.Clock, pitchBend.getValue(item.Clock));
if (item.ID.VibratoHandle == null)
{
return;
}
int startClock = item.Clock + item.ID.VibratoDelay;
int vibratoLength = item.ID.Length - item.ID.VibratoDelay;
var iterator = new VibratoPointIteratorByClock(tempoTable,
item.ID.VibratoHandle.RateBP, item.ID.VibratoHandle.StartRate,
item.ID.VibratoHandle.DepthBP, item.ID.VibratoHandle.StartDepth,
startClock, vibratoLength);
var pitContext = new ByRef <int>(0);
var pbsContext = new ByRef <int>(0);
int pitAtEnd = pitchBend.getValue(startClock + vibratoLength);
int pbsAtEnd = pitchBendSensitivity.getValue(startClock + vibratoLength);
var pitBackup = (VsqBPList)pitchBend.Clone();
var pbsBackup = (VsqBPList)pitchBendSensitivity.Clone();
bool resetPBS = false;
double maxNetPitchBendInCent = 0.0;
for (int clock = startClock; clock < startClock + vibratoLength && iterator.hasNext(); ++clock)
{
double vibratoPitchBendInCent = iterator.next() * 100.0;
int pit = pitchBend.getValue(clock, pitContext);
int pbs = pitchBendSensitivity.getValue(clock, pbsContext);
const double pow2_13 = 8192;
double netPitchBendInCent = (pbs * pit / pow2_13) * 100.0 + vibratoPitchBendInCent;
maxNetPitchBendInCent = Math.Max(maxNetPitchBendInCent, Math.Abs(netPitchBendInCent));
int draftPitchBend = (int)Math.Round((netPitchBendInCent / 100.0) * pow2_13 / pbs);
if (draftPitchBend < pitchBend.Minimum || pitchBend.Maximum < draftPitchBend)
{
// pbs を変更せずにビブラートによるピッチベンドを反映しようとすると、
// pit が範囲を超えてしまう。
resetPBS = true;
}
else
{
if (draftPitchBend != pit)
{
pitchBend.add(clock, draftPitchBend);
}
}
}
if (!resetPBS)
{
return;
}
pitchBend.Data = pitBackup.Data;
// ピッチベンドの最大値を実現するのに必要なPBS
int requiredPitchbendSensitivity = (int)Math.Ceiling(maxNetPitchBendInCent / 100.0);
int pseudoMaxPitchbendSensitivity = 12; // AquesTone2 は最大 12 半音までベンドできる。
if (requiredPitchbendSensitivity < pitchBendSensitivity.Minimum)
{
requiredPitchbendSensitivity = pitchBendSensitivity.Minimum;
}
if (pseudoMaxPitchbendSensitivity < requiredPitchbendSensitivity)
{
requiredPitchbendSensitivity = pseudoMaxPitchbendSensitivity;
}
{
int i = 0;
while (i < pitchBend.size())
{
var clock = pitchBend.getKeyClock(i);
if (startClock <= clock && clock < startClock + vibratoLength)
{
pitchBend.removeElementAt(i);
}
else
{
++i;
}
}
}
{
int i = 0;
while (i < pitchBendSensitivity.size())
{
var clock = pitchBendSensitivity.getKeyClock(i);
if (startClock <= clock && clock < startClock + vibratoLength)
{
pitchBendSensitivity.removeElementAt(i);
}
else
{
++i;
}
}
}
if (pitchBendSensitivity.getValue(startClock) != requiredPitchbendSensitivity)
{
pitchBendSensitivity.add(startClock, requiredPitchbendSensitivity);
}
pitchBend.add(startClock + vibratoLength, pitAtEnd);
pitchBendSensitivity.add(startClock + vibratoLength, pbsAtEnd);
iterator.rewind();
pitContext.value = 0;
pbsContext.value = 0;
int lastPitchBend = pitchBend.getValue(startClock);
for (int clock = startClock; clock < startClock + vibratoLength && iterator.hasNext(); ++clock)
{
double vibratoPitchBendInCent = iterator.next() * 100.0;
int pit = pitBackup.getValue(clock, pitContext);
int pbs = pbsBackup.getValue(clock, pbsContext);
const double pow2_13 = 8192;
double netPitchBendInCent = (pbs * pit / pow2_13) * 100.0 + vibratoPitchBendInCent;
maxNetPitchBendInCent = Math.Max(maxNetPitchBendInCent, Math.Abs(netPitchBendInCent));
int draftPitchBend = (int)Math.Round((netPitchBendInCent / 100.0) * pow2_13 / requiredPitchbendSensitivity);
if (draftPitchBend < pitchBend.Minimum)
{
draftPitchBend = pitchBend.Minimum;
}
if (pitchBend.Maximum < draftPitchBend)
{
draftPitchBend = pitchBend.Maximum;
}
if (draftPitchBend != lastPitchBend)
{
pitchBend.add(clock, draftPitchBend);
lastPitchBend = draftPitchBend;
}
}
}
