/* LoadMgeTrnHmmFile: */
static void LoadMgeTrnHmmFile(int nIter)
{
char hext[15], hmmFile[255];
ResetHeap(&hmmStack);
CreateHeap(&hmmStack, "Model Stack", MSTAK, 1, 1.0, 80000, 400000);
sprintf(hext, "mmf%d", nIter);
MakeFN(mmfFn, outDir, hext, hmmFile);
CreateHMMSet(&hset, &hmmStack, TRUE);
AddMMF(&hset, hmmFile);
if (trace & T_TOP)
printf("Loading MGE-trained HMM in iteration %d ... ... \n", nIter);
if (MakeHMMSet(&hset, hmmListFn) < SUCCESS)
HError(2321, "Initialise: MakeHMMSet failed");
if (LoadHMMSet(&hset, hmmDir, hmmExt) < SUCCESS)
HError(2321, "Initialise: LoadHMMSet failed");
SetParmHMMSet(&hset);
/* variance inversion, MGE training only support INVDIAGC case */
ConvDiagC(&hset, TRUE);
if (funcType == MGE_TRAIN)
AttachAccToModel();
}
/* Initialise: load hmm and initialise global data structures */
void Initialise(void)
{
LabId hmmId;
char base[MAXSTRLEN];
char path[MAXSTRLEN];
char ext[MAXSTRLEN];
int s;
/* Stacks for global structures requiring memory allocation */
CreateHeap(&segmentStack,"SegStore", MSTAK, 1, 0.0, 100000, LONG_MAX);
CreateHeap(&sequenceStack,"SeqStore", MSTAK, 1, 0.0, 10000, 10000);
CreateHeap(&clustSetStack,"ClustSetStore", MSTAK, 1, 0.0, 1000, 1000);
CreateHeap(&transStack,"TransStore", MSTAK, 1, 0.0, 1000, 1000);
CreateHeap(&traceBackStack,"TraceBackStore", MSTAK, 1, 0.0, 1000, 1000);
CreateHeap(&bufferStack,"BufferStore", MSTAK, 1, 0.0, 1000, 1000);
CreateHeap(&msdinfoStack,"MSDInfoStore", MSTAK, 1, 0.0, 1000, 1000);
/* Load HMM def */
if(MakeOneHMM( &hset, BaseOf(hmmfn,base))<SUCCESS)
HError(2128,"Initialise: MakeOneHMM failed");
if(LoadHMMSet( &hset,PathOf(hmmfn,path),ExtnOf(hmmfn,ext))<SUCCESS)
HError(2128,"Initialise: LoadHMMSet failed");
SetParmHMMSet(&hset);
if ((hset.hsKind==DISCRETEHS)||(hset.hsKind==TIEDHS))
uFlags = (UPDSet) (uFlags & (~(UPMEANS|UPVARS)));
AttachAccs(&hset, &gstack, uFlags);
/* Get a pointer to the physical HMM and set related globals */
hmmId = GetLabId(base,FALSE);
macroLink = FindMacroName(&hset,'h',hmmId);
hmmLink = (HLink)macroLink->structure;
nStates = hmmLink->numStates;
nStreams = hset.swidth[0];
for(s=1; s<=nStreams; s++)
maxMixInS[s] = MaxMixInS(hmmLink, s);
msdInfo = CreateMSDInfo(&msdinfoStack, hmmLink);
SetVFloor( &hset, vFloor, minVar);
if(segLab != NULL)
segId = GetLabId(segLab,TRUE);
if(trace>0)
PrintInitialInfo();
thisP = CreateVector(&gstack,nStates);
lastP = CreateVector(&gstack,nStates);
}
/* Initialise: */
static void Initialise()
{
char macroname[MAXSTRLEN];
AdaptXForm *xform;
/* load HMMs and init HMMSet related global variables */
if (trace & T_TOP)
printf("Loading HMM for updating ... ... \n");
if (MakeHMMSet(&hset, hmmListFn) < SUCCESS)
HError(2321, "Initialise: MakeHMMSet failed");
if (LoadHMMSet(&hset, hmmDir, hmmExt) < SUCCESS)
HError(2321, "Initialise: LoadHMMSet failed");
SetParmHMMSet(&hset);
/* variance inversion, MGE training only support INVDIAGC case */
if (hset.ckind == DIAGC)
ConvDiagC(&hset, TRUE);
/* load transform */
if (xformfn != NULL) {
xform = LoadOneXForm(&hset, NameOf(xformfn, macroname), xformfn);
SetXForm(&hset, &xfInfo, xform);
}
if (funcType == MGE_TRAIN)
AttachAccToModel();
/* reload the HMM for reference in training */
if (mtInfo->bOrigHmmRef) {
if (trace & T_TOP)
printf("Loading HMM for reference ... ... \n");
if (MakeHMMSet(&orighset, hmmListFn) < SUCCESS)
HError(2321, "Initialise: MakeHMMSet failed");
if (LoadHMMSet(&orighset, hmmDir, hmmExt) < SUCCESS)
HError(2321, "Initialise: LoadHMMSet failed");
SetParmHMMSet(&orighset);
/* variance inversion, MGE training only support INVDIAGC case */
if (hset.ckind == DIAGC)
ConvDiagC(&orighset, TRUE);
/* load transform */
if (xformfn != NULL) {
xform = LoadOneXForm(&orighset, NameOf(xformfn, macroname), xformfn);
SetXForm(&orighset, &xfInfo, xform);
}
}
if (trace & T_TOP) {
printf("System is ");
switch (hset.hsKind) {
case PLAINHS:
printf("PLAIN\n");
break;
case SHAREDHS:
printf("SHARED\n");
break;
case TIEDHS:
printf("TIED\n");
break;
case DISCRETEHS:
printf("DISCRETE\n");
break;
}
printf("%d Logical/%d Physical Models Loaded, VecSize=%d\n", hset.numLogHMM, hset.numPhyHMM, hset.vecSize);
if (hset.numFiles > 0)
printf("%d MMF input files\n", hset.numFiles);
if (mmfFn != NULL)
printf("Output to MMF file: %s\n", mmfFn);
fflush(stdout);
}
/* initialize a MgeTrnInfo for MGE training of HMM */
InitMgeTrnInfo();
}
/* Initialise: load HMMs and create accumulators */
static void Initialise(void)
{
int s,V;
Boolean eSep;
char base[MAXSTRLEN];
char path[MAXSTRLEN];
char ext[MAXSTRLEN];
/* Load HMM defs */
if(MakeOneHMM(&hset,BaseOf(hmmfn,base))<SUCCESS)
HError(2028,"Initialise: MakeOneHMM failed");
if(LoadHMMSet(&hset,PathOf(hmmfn,path),ExtnOf(hmmfn,ext))<SUCCESS)
HError(2028,"Initialise: LoadHMMSet failed");
SetParmHMMSet(&hset);
if (hset.hsKind==DISCRETEHS || hset.hsKind==TIEDHS)
HError(2030,"Initialise: HCompV only uses continuous models");
/* Create a heap to store the input data */
/*CreateHeap(&iStack,"InBuf", MSTAK, 1, 0.5, 100000, LONG_MAX);*/
/* Get a pointer to the physical HMM */
hmmId = GetLabId(base,FALSE);
macroLink = FindMacroName(&hset,'h',hmmId);
if (macroLink==NULL)
HError(2020,"Initialise: cannot find hmm %s in hset",hmmfn);
hmmLink = (HLink)macroLink->structure;
/* Find out for which streams full covariance is needed */
CheckVarianceKind( );
/* Create accumulators for the mean and variance */
for (s=1;s<=hset.swidth[0]; s++){
V = hset.swidth[s];
accs[s].meanSum=CreateVector(&gstack,V);
ZeroVector(accs[s].meanSum);
if (fullcNeeded[s]) {
accs[s].squareSum.inv=CreateSTriMat(&gstack,V);
accs[s].fixed.inv=CreateSTriMat(&gstack,V);
ZeroTriMat(accs[s].squareSum.inv);
}
else {
accs[s].squareSum.var=CreateSVector(&gstack,V);
accs[s].fixed.var=CreateSVector(&gstack,V);
ZeroVector(accs[s].squareSum.var);
}
}
/* Create an object to hold the input parameters */
SetStreamWidths(hset.pkind,hset.vecSize,hset.swidth,&eSep);
obs=MakeObservation(&gstack,hset.swidth,hset.pkind,FALSE,eSep);
if(segLab != NULL) {
segId = GetLabId(segLab,TRUE);
}
if (trace&T_TOP) {
printf("Calculating Fixed Variance\n");
printf(" HMM Prototype: %s\n",hmmfn);
printf(" Segment Label: %s\n",(segLab==NULL)?"None":segLab);
printf(" Num Streams : %d\n",hset.swidth[0]);
printf(" UpdatingMeans: %s\n",(meanUpdate)?"Yes":"No");
printf(" Target Direct: %s\n",(outDir==NULL)?"Current":outDir);
}
}