public void testReflectVibratoPitch()
{
var tempoTable = new TempoVector();
var pitchBend = new VsqBPList( CurveType.PIT.getName(), CurveType.PIT.getDefault(), CurveType.PIT.getMinimum(), CurveType.PIT.getMaximum() );
var pitchBendSensitivity = new VsqBPList( CurveType.PIT.getName(), CurveType.PIT.getDefault(), CurveType.PIT.getMinimum(), CurveType.PIT.getMaximum() );
pitchBend.add( 0, 8191 );
pitchBendSensitivity.add( 0, 2 );
var generator = new AquesTone2WaveGeneratorStub();
var item = new VsqEvent( 0, new VsqID() );
item.ID.type = VsqIDType.Anote;
item.ID.VibratoHandle = new VibratoHandle();
item.ID.VibratoHandle.StartRate = 0x40;
item.ID.VibratoHandle.RateBP.clear();
item.ID.VibratoHandle.StartDepth = 0x40;
item.ID.VibratoHandle.DepthBP.clear();
item.ID.setLength( 480 );
item.ID.VibratoDelay = 430;
item.ID.VibratoHandle.setLength( 50 );
generator.reflectVibratoPitch( item, pitchBend, pitchBendSensitivity, tempoTable );
{
var expectedPit = new Dictionary<int, int> {
{ 0, 8191 },
{ 430, 5461 }, { 431, 5467 }, { 432, 5484 }, { 433, 5514 }, { 434, 5555 },
{ 435, 5608 }, { 436, 5672 }, { 437, 5748 }, { 438, 5835 }, { 439, 5932 },
{ 440, 6041 }, { 441, 6096 }, { 442, 6151 }, { 443, 6205 }, { 444, 6257 },
{ 445, 6309 }, { 446, 6360 }, { 447, 6410 }, { 448, 6459 }, { 449, 6507 },
{ 450, 6553 }, { 451, 6598 }, { 452, 6642 }, { 453, 6684 }, { 454, 6725 },
{ 455, 6764 }, { 456, 6802 }, { 457, 6838 }, { 458, 6873 }, { 459, 6906 },
{ 460, 6937 }, { 461, 6967 }, { 462, 6994 }, { 463, 7020 }, { 464, 7044 },
{ 465, 7066 }, { 466, 7087 }, { 467, 7105 }, { 468, 7121 }, { 469, 7136 },
{ 470, 7148 }, { 471, 6989 }, { 472, 6826 }, { 473, 6660 }, { 474, 6491 },
{ 475, 6320 }, { 476, 6149 }, { 477, 5976 }, { 478, 5804 }, { 479, 5632 },
{ 480, 8191 }
};
Assert.AreEqual( expectedPit.Count, pitchBend.size() );
int i = 0;
foreach ( var pitInfo in expectedPit ) {
Assert.AreEqual( pitInfo.Key, pitchBend.getKeyClock( i ) );
Assert.AreEqual( pitInfo.Value, pitchBend.getElementA( i ) );
++i;
}
}
{
var expectedPbs = new Dictionary<int, int> {
{ 0, 2 }, { 430, 3 }, { 480, 2 }
};
Assert.AreEqual( expectedPbs.Count, pitchBendSensitivity.size() );
int i = 0;
foreach ( var pbsInfo in expectedPbs ) {
Assert.AreEqual( pbsInfo.Key, pitchBendSensitivity.getKeyClock( i ) );
Assert.AreEqual( pbsInfo.Value, pitchBendSensitivity.getElementA( i ) );
++i;
}
}
}
private static void amplify( VsqBPList source, VsqBPList target, double amplify ) {
target.clear();
int count = source.size();
int min = target.getMinimum();
int max = target.getMaximum();
for ( int i = 0; i < count; i++ ) {
int clock = source.getKeyClock( i );
int value = (int)(source.getElement( i ) * amplify);
if ( value < min ) {
value = min;
}
if ( max < value ) {
value = max;
}
target.add( clock, value );
}
}
private static void amplify(VsqBPList source, VsqBPList target, double amplify)
{
target.clear();
int count = source.size();
int min = target.getMinimum();
int max = target.getMaximum();
for (int i = 0; i < count; i++)
{
int clock = source.getKeyClock(i);
int value = (int)(source.getElement(i) * amplify);
if (value < min)
{
value = min;
}
if (max < value)
{
value = max;
}
target.add(clock, value);
}
}
private static void copyCurve( VsqBPList src, VsqBPList dest, int clock_shift ){
int last_value = src.getDefault();
int count = src.size();
bool first_over_zero = true;
for( int i = 0; i < count; i++ ){
int cl = src.getKeyClock( i ) - clock_shift;
int value = src.getElementA( i );
if( cl < 0 ){
last_value = value;
}else{
if( first_over_zero ){
first_over_zero = false;
if( last_value != src.getDefault() ){
dest.add( 0, last_value );
}
}
dest.add( cl, value );
}
}
}
/// <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;
}
}
}
public void testReflectVibratoPitch()
{
var tempoTable = new TempoVector();
var pitchBend = new VsqBPList(CurveType.PIT.getName(), CurveType.PIT.getDefault(), CurveType.PIT.getMinimum(), CurveType.PIT.getMaximum());
var pitchBendSensitivity = new VsqBPList(CurveType.PIT.getName(), CurveType.PIT.getDefault(), CurveType.PIT.getMinimum(), CurveType.PIT.getMaximum());
pitchBend.add(0, 8191);
pitchBendSensitivity.add(0, 2);
var generator = new AquesTone2WaveGeneratorStub();
var item = new VsqEvent(0, new VsqID());
item.ID.type = VsqIDType.Anote;
item.ID.VibratoHandle = new VibratoHandle();
item.ID.VibratoHandle.StartRate = 0x40;
item.ID.VibratoHandle.RateBP.clear();
item.ID.VibratoHandle.StartDepth = 0x40;
item.ID.VibratoHandle.DepthBP.clear();
item.ID.setLength(480);
item.ID.VibratoDelay = 430;
item.ID.VibratoHandle.setLength(50);
generator.reflectVibratoPitch(item, pitchBend, pitchBendSensitivity, tempoTable);
{
var expectedPit = new Dictionary <int, int> {
{ 0, 8191 },
{ 430, 5461 }, { 431, 5467 }, { 432, 5484 }, { 433, 5514 }, { 434, 5555 },
{ 435, 5608 }, { 436, 5672 }, { 437, 5748 }, { 438, 5835 }, { 439, 5932 },
{ 440, 6041 }, { 441, 6096 }, { 442, 6151 }, { 443, 6205 }, { 444, 6257 },
{ 445, 6309 }, { 446, 6360 }, { 447, 6410 }, { 448, 6459 }, { 449, 6507 },
{ 450, 6553 }, { 451, 6598 }, { 452, 6642 }, { 453, 6684 }, { 454, 6725 },
{ 455, 6764 }, { 456, 6802 }, { 457, 6838 }, { 458, 6873 }, { 459, 6906 },
{ 460, 6937 }, { 461, 6967 }, { 462, 6994 }, { 463, 7020 }, { 464, 7044 },
{ 465, 7066 }, { 466, 7087 }, { 467, 7105 }, { 468, 7121 }, { 469, 7136 },
{ 470, 7148 }, { 471, 6989 }, { 472, 6826 }, { 473, 6660 }, { 474, 6491 },
{ 475, 6320 }, { 476, 6149 }, { 477, 5976 }, { 478, 5804 }, { 479, 5632 },
{ 480, 8191 }
};
Assert.AreEqual(expectedPit.Count, pitchBend.size());
int i = 0;
foreach (var pitInfo in expectedPit)
{
Assert.AreEqual(pitInfo.Key, pitchBend.getKeyClock(i));
Assert.AreEqual(pitInfo.Value, pitchBend.getElementA(i));
++i;
}
}
{
var expectedPbs = new Dictionary <int, int> {
{ 0, 2 }, { 430, 3 }, { 480, 2 }
};
Assert.AreEqual(expectedPbs.Count, pitchBendSensitivity.size());
int i = 0;
foreach (var pbsInfo in expectedPbs)
{
Assert.AreEqual(pbsInfo.Key, pitchBendSensitivity.getKeyClock(i));
Assert.AreEqual(pbsInfo.Value, pitchBendSensitivity.getElementA(i));
++i;
}
}
}
/// <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;
}
}
}
