private HMM getCompositeHMM(Unit unit, HMMPosition position)
{
Unit unit2 = this.unitManager.getUnit(unit.getName(), unit.isFiller(), Context.__EMPTY_CONTEXT);
SenoneSequence compositeSenoneSequence = this.getCompositeSenoneSequence(unit, position);
SenoneHMM senoneHMM = (SenoneHMM)this.lookupNearestHMM(unit2, HMMPosition.__UNDEFINED, true);
float[][] transitionMatrix = senoneHMM.getTransitionMatrix();
return(new SenoneHMM(unit, compositeSenoneSequence, transitionMatrix, position));
}
public override bool equals(object o)
{
if (this == o)
{
return(true);
}
if (o is SenoneHMM)
{
SenoneHMM senoneHMM = (SenoneHMM)o;
return(this.getSenoneSequence().equals(senoneHMM.getSenoneSequence()));
}
return(false);
}
internal SenoneHMMState(SenoneHMM senoneHMM, int num)
{
this.hmm = senoneHMM;
this.state = num;
this._isEmitting = (senoneHMM.getTransitionMatrix().Length - 1 != this.state);
if (this._isEmitting)
{
SenoneSequence senoneSequence = senoneHMM.getSenoneSequence();
this.senone = senoneSequence.getSenones()[this.state];
}
Utilities.objectTracker("HMMState", SenoneHMMState.objectCount++);
this._hashCode = senoneHMM.hashCode() + 37 * this.state;
}
private SenoneHMM getHMMAtAnyPosition(Unit unit)
{
HMMManager hmmmanager = this.loader.getHMMManager();
HMMPosition[] array = HMMPosition.values();
int num = array.Length;
for (int i = 0; i < num; i++)
{
HMMPosition position = array[i];
SenoneHMM senoneHMM = (SenoneHMM)hmmmanager.get(position, unit);
if (senoneHMM != null)
{
return(senoneHMM);
}
}
return(null);
}
public override HMM get(HMMPosition position, Unit unit)
{
HMM hmm = base.get(position, unit);
if (null != hmm)
{
return(hmm);
}
int[] array = new int[3];
array[1] = ((Integer)this.symbolTable.get(unit.getName())).intValue();
if (unit.isContextDependent())
{
LeftRightContext leftRightContext = (LeftRightContext)unit.getContext();
Unit unit2 = leftRightContext.getLeftContext()[0];
Unit unit3 = leftRightContext.getRightContext()[0];
array[0] = ((Integer)this.symbolTable.get(unit2.getName())).intValue();
array[2] = ((Integer)this.symbolTable.get(unit3.getName())).intValue();
}
else
{
array[0] = ((Integer)this.symbolTable.get("SIL")).intValue();
array[2] = ((Integer)this.symbolTable.get("SIL")).intValue();
}
int[] array2 = new int[]
{
this.eventMap.map(0, array),
this.eventMap.map(1, array),
this.eventMap.map(2, array)
};
SenoneSequence senoneSequence = new SenoneSequence(new Senone[]
{
(Senone)this.senonePool.get(array2[0]),
(Senone)this.senonePool.get(array2[1]),
(Senone)this.senonePool.get(array2[2])
});
float[][] transitionMatrix = this.transitionModel.getTransitionMatrix(array[1], array2);
SenoneHMM senoneHMM = new SenoneHMM(unit, senoneSequence, transitionMatrix, position);
this.put(senoneHMM);
return(senoneHMM);
}
private SenoneHMM getHMMInSilenceContext(Unit unit, HMMPosition position)
{
SenoneHMM senoneHMM = null;
HMMManager hmmmanager = this.loader.getHMMManager();
Context context = unit.getContext();
if (context is LeftRightContext)
{
LeftRightContext leftRightContext = (LeftRightContext)context;
Unit[] leftContext = leftRightContext.getLeftContext();
Unit[] rightContext = leftRightContext.getRightContext();
Unit[] array;
if (this.hasNonSilenceFiller(leftContext))
{
array = this.replaceNonSilenceFillerWithSilence(leftContext);
}
else
{
array = leftContext;
}
Unit[] array2;
if (this.hasNonSilenceFiller(rightContext))
{
array2 = this.replaceNonSilenceFillerWithSilence(rightContext);
}
else
{
array2 = rightContext;
}
if (array != leftContext || array2 != rightContext)
{
LeftRightContext context2 = LeftRightContext.get(array, array2);
Unit unit2 = this.unitManager.getUnit(unit.getName(), unit.isFiller(), context2);
senoneHMM = (SenoneHMM)hmmmanager.get(position, unit2);
if (senoneHMM == null)
{
senoneHMM = this.getHMMAtAnyPosition(unit2);
}
}
}
return(senoneHMM);
}
protected internal virtual void loadHMMPool(bool useCDUnits, InputStream inputStream)
{
ExtendedStreamTokenizer extendedStreamTokenizer = new ExtendedStreamTokenizer(inputStream, 35, false);
this.logger.fine(new StringBuilder().append("Loading HMM file from: ").append(this.location).toString());
extendedStreamTokenizer.expectString("0.3");
int @int = extendedStreamTokenizer.getInt("numBase");
extendedStreamTokenizer.expectString("n_base");
int int2 = extendedStreamTokenizer.getInt("numTri");
extendedStreamTokenizer.expectString("n_tri");
int int3 = extendedStreamTokenizer.getInt("numStateMap");
extendedStreamTokenizer.expectString("n_state_map");
int int4 = extendedStreamTokenizer.getInt("numTiedState");
extendedStreamTokenizer.expectString("n_tied_state");
int int5 = extendedStreamTokenizer.getInt("numContextIndependentTiedState");
extendedStreamTokenizer.expectString("n_tied_ci_state");
int int6 = extendedStreamTokenizer.getInt("numTiedTransitionMatrices");
extendedStreamTokenizer.expectString("n_tied_tmat");
int num = int3;
int num2 = int2 + @int;
int num3 = (num2 != -1) ? (num / num2) : (-num);
if (!Sphinx3Loader.assertionsDisabled && int4 != this.mixtureWeights.getStatesNum())
{
throw new AssertionError();
}
if (!Sphinx3Loader.assertionsDisabled && int6 != this.transitionsPool.size())
{
throw new AssertionError();
}
for (int i = 0; i < @int; i++)
{
string @string = extendedStreamTokenizer.getString();
string string2 = extendedStreamTokenizer.getString();
string string3 = extendedStreamTokenizer.getString();
string string4 = extendedStreamTokenizer.getString();
string string5 = extendedStreamTokenizer.getString();
int int7 = extendedStreamTokenizer.getInt("tmat");
int[] array = new int[num3 - 1];
for (int j = 0; j < num3 - 1; j++)
{
array[j] = extendedStreamTokenizer.getInt("j");
if (!Sphinx3Loader.assertionsDisabled && (array[j] < 0 || array[j] >= int5))
{
throw new AssertionError();
}
}
extendedStreamTokenizer.expectString("N");
if (!Sphinx3Loader.assertionsDisabled && !String.instancehelper_equals(string2, "-"))
{
throw new AssertionError();
}
if (!Sphinx3Loader.assertionsDisabled && !String.instancehelper_equals(string3, "-"))
{
throw new AssertionError();
}
if (!Sphinx3Loader.assertionsDisabled && !String.instancehelper_equals(string4, "-"))
{
throw new AssertionError();
}
if (!Sphinx3Loader.assertionsDisabled && int7 >= int6)
{
throw new AssertionError();
}
Unit unit = this.unitManager.getUnit(@string, String.instancehelper_equals(string5, "filler"));
this.contextIndependentUnits.put(unit.getName(), unit);
if (this.logger.isLoggable(Level.FINE))
{
this.logger.fine(new StringBuilder().append("Loaded ").append(unit).toString());
}
if (unit.isFiller() && String.instancehelper_equals(unit.getName(), "SIL"))
{
unit = UnitManager.__SILENCE;
}
float[][] transitionMatrix = (float[][])this.transitionsPool.get(int7);
SenoneSequence senoneSequence = this.getSenoneSequence(array);
SenoneHMM hmm = new SenoneHMM(unit, senoneSequence, transitionMatrix, HMMPosition.lookup(string4));
this.hmmManager.put(hmm);
}
if (this.hmmManager.get(HMMPosition.__UNDEFINED, UnitManager.__SILENCE) == null)
{
string text = "Could not find SIL unit in acoustic model";
throw new IOException(text);
}
string text2 = "";
Unit unit2 = null;
int[] ssid = null;
SenoneSequence senoneSequence2 = null;
for (int k = 0; k < int2; k++)
{
string string5 = extendedStreamTokenizer.getString();
string string6 = extendedStreamTokenizer.getString();
string string7 = extendedStreamTokenizer.getString();
string string8 = extendedStreamTokenizer.getString();
string string9 = extendedStreamTokenizer.getString();
int int8 = extendedStreamTokenizer.getInt("tmat");
int[] array2 = new int[num3 - 1];
for (int l = 0; l < num3 - 1; l++)
{
array2[l] = extendedStreamTokenizer.getInt("j");
if (!Sphinx3Loader.assertionsDisabled && (array2[l] < int5 || array2[l] >= int4))
{
throw new AssertionError();
}
}
extendedStreamTokenizer.expectString("N");
if (!Sphinx3Loader.assertionsDisabled && String.instancehelper_equals(string6, "-"))
{
throw new AssertionError();
}
if (!Sphinx3Loader.assertionsDisabled && String.instancehelper_equals(string7, "-"))
{
throw new AssertionError();
}
if (!Sphinx3Loader.assertionsDisabled && String.instancehelper_equals(string8, "-"))
{
throw new AssertionError();
}
if (!Sphinx3Loader.assertionsDisabled && !String.instancehelper_equals(string9, "n/a"))
{
throw new AssertionError();
}
if (!Sphinx3Loader.assertionsDisabled && int8 >= int6)
{
throw new AssertionError();
}
if (useCDUnits)
{
string text3 = new StringBuilder().append(string5).append(' ').append(string6).append(' ').append(string7).toString();
Unit unit3;
if (String.instancehelper_equals(text3, text2))
{
unit3 = unit2;
}
else
{
LeftRightContext context = LeftRightContext.get(new Unit[]
{
(Unit)this.contextIndependentUnits.get(string6)
}, new Unit[]
{
(Unit)this.contextIndependentUnits.get(string7)
});
unit3 = this.unitManager.getUnit(string5, false, context);
}
text2 = text3;
unit2 = unit3;
if (this.logger.isLoggable(Level.FINE))
{
this.logger.fine(new StringBuilder().append("Loaded ").append(unit3).toString());
}
float[][] transitionMatrix2 = (float[][])this.transitionsPool.get(int8);
SenoneSequence senoneSequence3 = senoneSequence2;
if (senoneSequence3 == null || !this.sameSenoneSequence(array2, ssid))
{
senoneSequence3 = this.getSenoneSequence(array2);
}
senoneSequence2 = senoneSequence3;
ssid = array2;
SenoneHMM hmm2 = new SenoneHMM(unit3, senoneSequence3, transitionMatrix2, HMMPosition.lookup(string8));
this.hmmManager.put(hmm2);
}
}
extendedStreamTokenizer.close();
}
protected internal virtual void loadHMMPool(bool useCDUnits, HTKLoader.HTKStruct htkModels, string path)
{
if (!this.tie1ph)
{
Iterator iterator = htkModels.hmmsHTK.get1phIt();
while (iterator.hasNext())
{
SingleHMM singleHMM = (SingleHMM)iterator.next();
if (singleHMM == null)
{
break;
}
string baseName = singleHMM.getName();
string text;
if (String.instancehelper_equals(baseName, "sil") || String.instancehelper_equals(baseName, "sp") || String.instancehelper_equals(baseName, "bb") || String.instancehelper_equals(baseName, "xx") || String.instancehelper_equals(baseName, "hh"))
{
text = "filler";
}
else
{
text = "nofiller";
}
int trIdx = singleHMM.trIdx;
int nstates = singleHMM.getNstates();
int[] array = new int[singleHMM.getNbEmittingStates()];
int num = 0;
for (int i = 0; i < nstates; i++)
{
if (singleHMM.isEmitting(i))
{
HTK.HMMState state = singleHMM.getState(i);
array[num] = htkModels.hmmsHTK.getStateIdx(state);
num++;
}
}
Unit unit = this.unitManager.getUnit(baseName, String.instancehelper_equals(text, "filler"));
this.contextIndependentUnits.put(unit.getName(), unit);
if (this.logger.isLoggable(Level.FINE))
{
this.logger.fine(new StringBuilder().append("Loaded ").append(unit).toString());
}
if (unit.isFiller() && String.instancehelper_equals(unit.getName(), "SIL"))
{
unit = UnitManager.__SILENCE;
}
float[][] transitionMatrix = (float[][])this.matrixPool.get(trIdx);
SenoneSequence senoneSequence = this.getSenoneSequence(array);
SenoneHMM hmm = new SenoneHMM(unit, senoneSequence, transitionMatrix, HMMPosition.lookup("-"));
this.hmmManager.put(hmm);
}
}
else
{
for (int j = 0; j < htkModels.hmmsHTK.getNhmms(); j++)
{
SingleHMM singleHMM = htkModels.hmmsHTK.getHMM(j);
if (singleHMM == null)
{
break;
}
string baseName = singleHMM.getBaseName();
if (!this.contextIndependentUnits.containsKey(baseName))
{
string text;
if (String.instancehelper_equals(baseName, "SIL") || String.instancehelper_equals(baseName, "SP") || String.instancehelper_equals(baseName, "BB") || String.instancehelper_equals(baseName, "XX") || String.instancehelper_equals(baseName, "HH"))
{
text = "filler";
}
else
{
text = "nofiller";
}
int trIdx = singleHMM.trIdx;
int nstates = singleHMM.getNstates();
int[] array = new int[singleHMM.getNbEmittingStates()];
int num = 0;
for (int i = 0; i < nstates; i++)
{
if (singleHMM.isEmitting(i))
{
HTK.HMMState state = singleHMM.getState(i);
array[num] = htkModels.hmmsHTK.getStateIdx(state);
num++;
}
}
Unit unit = this.unitManager.getUnit(baseName, String.instancehelper_equals(text, "filler"));
this.contextIndependentUnits.put(unit.getName(), unit);
if (this.logger.isLoggable(Level.FINE))
{
this.logger.fine(new StringBuilder().append("Loaded ").append(unit).toString());
}
if (unit.isFiller() && String.instancehelper_equals(unit.getName(), "SIL"))
{
unit = UnitManager.__SILENCE;
}
float[][] transitionMatrix = (float[][])this.matrixPool.get(trIdx);
SenoneSequence senoneSequence = this.getSenoneSequence(array);
SenoneHMM hmm = new SenoneHMM(unit, senoneSequence, transitionMatrix, HMMPosition.lookup("-"));
this.hmmManager.put(hmm);
}
}
}
string text2 = "";
Unit unit2 = null;
int[] ssid = null;
SenoneSequence senoneSequence2 = null;
ArrayList arrayList = new ArrayList();
Iterator iterator2 = htkModels.hmmsHTK.get3phIt();
while (iterator2.hasNext())
{
SingleHMM singleHMM2 = (SingleHMM)iterator2.next();
if (singleHMM2 == null)
{
break;
}
string baseName2 = singleHMM2.getBaseName();
string text3 = singleHMM2.getLeft();
string text4 = singleHMM2.getRight();
if (String.instancehelper_equals(text3, "-"))
{
text3 = "SIL";
}
if (String.instancehelper_equals(text4, "-"))
{
text4 = "SIL";
}
string text5 = new StringBuilder().append(text3).append(' ').append(baseName2).append(' ').append(text4).toString();
if (!arrayList.contains(text5))
{
arrayList.add(text5);
text5 = "i";
int trIdx2 = singleHMM2.trIdx;
int nstates = singleHMM2.getNstates();
int[] array2 = new int[singleHMM2.getNbEmittingStates()];
int num2 = 0;
for (int k = 0; k < nstates; k++)
{
if (singleHMM2.isEmitting(k))
{
HTK.HMMState state2 = singleHMM2.getState(k);
array2[num2] = htkModels.hmmsHTK.getStateIdx(state2);
num2++;
}
}
if (useCDUnits)
{
string text6 = new StringBuilder().append(baseName2).append(' ').append(text3).append(' ').append(text4).toString();
Unit unit3;
if (String.instancehelper_equals(text6, text2))
{
unit3 = unit2;
}
else
{
LeftRightContext context = LeftRightContext.get(new Unit[]
{
(Unit)this.contextIndependentUnits.get(text3)
}, new Unit[]
{
(Unit)this.contextIndependentUnits.get(text4)
});
unit3 = this.unitManager.getUnit(baseName2, false, context);
}
text2 = text6;
unit2 = unit3;
if (this.logger.isLoggable(Level.FINE))
{
this.logger.fine(new StringBuilder().append("Loaded ").append(unit3).toString());
}
float[][] transitionMatrix2 = (float[][])this.matrixPool.get(trIdx2);
SenoneSequence senoneSequence3 = senoneSequence2;
if (senoneSequence3 == null || !this.sameSenoneSequence(array2, ssid))
{
senoneSequence3 = this.getSenoneSequence(array2);
}
senoneSequence2 = senoneSequence3;
ssid = array2;
SenoneHMM hmm2 = new SenoneHMM(unit3, senoneSequence3, transitionMatrix2, HMMPosition.lookup(text5));
this.hmmManager.put(hmm2);
}
}
}
}
public virtual SenoneSequence getCompositeSenoneSequence(Unit unit, HMMPosition position)
{
string text = unit.toString();
SenoneSequence senoneSequence = (SenoneSequence)this.compositeSenoneSequenceCache.get(text);
if (this.logger.isLoggable(Level.FINE))
{
this.logger.fine((new StringBuilder().append("getCompositeSenoneSequence: ").append(unit).append(senoneSequence).toString() != null) ? "Cached" : "");
}
if (senoneSequence != null)
{
return(senoneSequence);
}
Context context = unit.getContext();
ArrayList arrayList = new ArrayList();
Iterator hmmiterator = this.getHMMIterator();
while (hmmiterator.hasNext())
{
SenoneHMM senoneHMM = (SenoneHMM)hmmiterator.next();
if (senoneHMM.getPosition() == position)
{
Unit unit2 = senoneHMM.getUnit();
if (unit2.isPartialMatch(unit.getName(), context))
{
if (this.logger.isLoggable(Level.FINE))
{
this.logger.fine(new StringBuilder().append("collected: ").append(senoneHMM.getUnit()).toString());
}
arrayList.add(senoneHMM.getSenoneSequence());
}
}
}
if (arrayList.isEmpty())
{
Unit unit3 = this.unitManager.getUnit(unit.getName(), unit.isFiller());
SenoneHMM senoneHMM = this.lookupHMM(unit3, HMMPosition.__UNDEFINED);
arrayList.add(senoneHMM.getSenoneSequence());
}
int num = 0;
Iterator iterator = arrayList.iterator();
while (iterator.hasNext())
{
SenoneSequence senoneSequence2 = (SenoneSequence)iterator.next();
if (senoneSequence2.getSenones().Length > num)
{
num = senoneSequence2.getSenones().Length;
}
}
ArrayList arrayList2 = new ArrayList();
float weight = 0f;
for (int i = 0; i < num; i++)
{
HashSet hashSet = new HashSet();
Iterator iterator2 = arrayList.iterator();
while (iterator2.hasNext())
{
SenoneSequence senoneSequence3 = (SenoneSequence)iterator2.next();
if (i < senoneSequence3.getSenones().Length)
{
Senone senone = senoneSequence3.getSenones()[i];
hashSet.add(senone);
}
}
arrayList2.add(CompositeSenone.create(hashSet, weight));
}
senoneSequence = SenoneSequence.create(arrayList2);
this.compositeSenoneSequenceCache.put(unit.toString(), senoneSequence);
if (this.logger.isLoggable(Level.FINE))
{
this.logger.fine(new StringBuilder().append(unit).append(" consists of ").append(arrayList2.size()).append(" composite senones").toString());
if (this.logger.isLoggable(Level.FINEST))
{
senoneSequence.dump("am");
}
}
return(senoneSequence);
}