/* AppendLabs: append label file corresponding to src to trans,
len is time length of this file; accumulate to find offset for
concatenated files */
void AppendLabs(Transcription *t, HTime len)
{
LabList *ll,*transll;
LLink p,q;
int maxAux;
if(trace & T_SEGMENT)
printf("Adding labels, len: %.0f off: %.0f\n",len,off);
if(trans == NULL)
trans = CopyTranscription(&lStack, t);
else
for (ll = t->head,transll = trans->head; ll != NULL;
ll = ll->next,transll = transll->next){
if (transll == NULL)
HError(1031,"AppendLabs: lablist has no target to append to");
maxAux = ll->maxAuxLab;
if (maxAux > transll->maxAuxLab){
HError(-1031,"AppendLabs: truncating num aux labs from %d down to %d",
maxAux, transll->maxAuxLab);
maxAux = transll->maxAuxLab;
}
for (p=ll->head->succ; p->succ!= NULL; p=p->succ){
q = AddLabel(&lStack,transll,
p->labid,p->start + off,p->end + off,p->score);
if (maxAux>0)
AddAuxLab(q,maxAux,p->auxLab,p->auxScore);
}
}
/* accumulate length of this file for total offset */
off += len;
}
/* EXPORT->CopyLabelList: return a copy of given label list */
LabList* CopyLabelList(MemHeap *x, LabList* ll)
{
LabList *newll;
LLink p,q;
newll = CreateLabelList(x,ll->maxAuxLab);
for (q=ll->head->succ; q->succ != NULL; q = q->succ){
p = AddLabel(x,newll,q->labid,q->start,q->end,q->score);
if (ll->maxAuxLab > 0)
AddAuxLab(p,ll->maxAuxLab,q->auxLab,q->auxScore);
}
return newll;
}
/* LoadHTKList: load a single HTK label list - dont create anything if
transAlt>0 and alt != transAlt */
static LabList * LoadHTKList(MemHeap *x, Source *src, int alt)
{
LabList *ll = NULL;
LabId labid, auxLab[100];
LLink p = NULL;
HTime start,end;
float score, auxScore[100];
int n,maxAux = 0;
Boolean ok;
ok = ((transAlt==0) || (transAlt == alt)) ? TRUE : FALSE;
if (ok) ll = CreateLabelList(x,maxAux); /* assume no aux labels */
if (trace&T_HTKL)
printf("HLabel: looking for lab list\n");
while (trSym==TRNUM || trSym==TRSTR){
start = -1; end = -1; score = 0.0;
if (trSym==TRNUM) {
start = trNum; GetTrSym(src,TRUE);
start *= htkLabelTimeScale;
if (trSym==TRNUM) {
end = trNum; GetTrSym(src,TRUE);
end *= htkLabelTimeScale;
}
}
if (trSym != TRSTR)
HError(6550,"LoadHTKList: Label Name Expected");
labid = GetLabId(trStr,TRUE);
GetTrSym(src,TRUE);
if (trSym==TRNUM){
score = trNum;
GetTrSym(src,TRUE);
}
if (trace&T_HTKL)
printf("HLabel: adding %.0f %.0f %s %f\n",start,end,labid->name,score);
if (ok) p = AddLabel(x,ll,labid,start,end,score);
/* Any aux labels ? */
n = 0;
while (trSym != TREOL && trSym!=TREOF) {
n++;
if (trSym != TRSTR)
HError(6550,"LoadHTKList: Aux Label Name Expected");
auxLab[n] = GetLabId(trStr,TRUE);
if (trace&T_HTKL)
printf("HLabel: adding aux lab %d = %s\n",n,auxLab[n]->name);
GetTrSym(src,TRUE);
if (trSym==TRNUM){
auxScore[n] = trNum;
if (trace&T_HTKL)
printf("HLabel: adding aux score %d = %f\n",n,trNum);
GetTrSym(src,TRUE);
} else
auxScore[n] = 0.0;
}
if (ok && n>0) { /* need to add aux info */
if (n>maxAux) {
ExtendAux(x,ll,n);
maxAux = n;
} else while (n<maxAux) {
++n;
auxLab[n] = NULL;
auxScore[n] = 0.0;
}
AddAuxLab(p,n,auxLab,auxScore);
}
if (trSym!=TREOF)
GetTrSym(src,TRUE);
}
return ll;
}
