// Show the contents of the observation
void AObsData::Show()
{
const int n = 10;
ExplainObservation(&data, n);
PrintObservation(0,&data, n);
}
barwidth = itemWidth*(nItems+1);
}
/* PrintHeading: print the info in given HeadInfo record */
void PrintHeading(HeadInfo h)
{
char buf[MAXSTRLEN];
if (h.isSource){
if (h.isAudio)
strcpy(buf,"Source: Direct Audio");
else
sprintf(buf,"Source: %s", h.name);
}else
strcpy(buf,"Target");
PrBar(buf);
printf(" Sample Bytes: %-7d", h.sampSize);
if (barwidth < 60 ) printf("\n");
printf(" Sample Kind: %s\n", ParmKind2Str(h.kind,buf));
printf(" Num Comps: %-7d", h.numComps);
if (barwidth < 60 ) printf("\n");
printf(" Sample Period: %.1f us\n", h.period/10.0);
if (!h.isAudio) {
printf(" Num Samples: %-7ld", h.nSamples);
if (barwidth < 60 ) printf("\n");
printf(" File Format: %s\n", Format2Str(h.fmt));
}
}
/* PrintWaveLine: print line of waveform samples */
void PrintWaveLine(short *data, int nItems, long idx)
{
int i;
if (!rawOut) printf("%5ld: ",idx);
for (i=0; i<nItems; i++) printf("%7d",*data++);
printf("\n");
}
/* PrintRawVec: print vector components */
void PrintRawVec(Vector v)
{
int i;
for (i=1; i<=VectorSize(v); i++) printf("%e ",v[i]);
printf("\n");
// Recognise a single observation
Boolean ARec::RecObservation()
{
APacket pkt;
AStringData *sd;
AObsData *od;
PacketKind kind;
Boolean stopDetected = FALSE;
if (runmode&STOP_IMMED) // stop immediately
return TRUE;
while (in->NumPackets()>0){
pkt = in->GetPacket(); kind = pkt.GetKind();
if (kind==StringPacket) {
// check if stop marker
sd = (AStringData *)pkt.GetData();
if ((runmode&STOP_ATMARK) && (sd->data.find("STOP") != string::npos))
stopDetected = TRUE;
StoreMarker(pkt);
}
if (kind != StringPacket || stopDetected){
if (stTime<0) { // just entered runmode
stTime = pkt.GetStartTime(); enTime = stTime;
score = -1e6;
trbak = ""; trbakCount = 0;
if (runmode&RESULT_ALL)
OutPacket(Start_PT, "", fname, 0,0,0.0,0.0,0.0,-1.0,0.0,stTime,stTime);
}
if (stopDetected) return TRUE;
if (kind==ObservationPacket){
od = (AObsData *)pkt.GetData();
if ((runmode&STOP_ATSIL) && !od->data.vq[0]) // stop if silence
return TRUE;
if (trace&T_OBS) PrintObservation(frameCount,&(od->data),13);
// recognise observation
ProcessObservation(pri,&(od->data),-1,hset->curXForm);
if (trace & T_FRS) {
char *p; MLink m;
NetNode *node = pri->genMaxNode;
printf("Frame %-4d ",pri->frame);
if ( node == NULL){
printf("null\n");
}else{
char *qm="?";
p = (node->wordset==NULL)?qm:node->wordset->name;
m=FindMacroStruct(hset,'h',node->info.hmm);
printf("HMM: %s (%s) %d %5.3f\n",m->id->name,p,
pri->nact,pri->genMaxTok.like/pri->frame);
}
}
++frameCount; tact+=pri->nact;
enTime += sampPeriod;
if ((showRD || (runmode&(RESULT_IMMED|RESULT_ASAP)))
&& (++trbakCount == trbakFreq)) {
TraceBackRecogniser(); trbakCount = 0;
}
}
}
}
return FALSE;
}
/* ProcessFile: process given file. If fn=NULL then direct audio */
Boolean ProcessFile(char *fn, Network *net, int utterNum, LogDouble currGenBeam, Boolean restartable)
{
FILE *file;
ParmBuf pbuf;
BufferInfo pbinfo;
NetNode *d;
Lattice *lat;
LArc *arc,*cur;
LNode *node;
Transcription *trans;
MLink m;
LogFloat lmlk,aclk;
int s,j,tact,nFrames;
LatFormat form;
char *p,lfn[255],buf1[80],buf2[80],thisFN[MAXSTRLEN];
Boolean enableOutput = TRUE, isPipe;
if (fn!=NULL)
strcpy(thisFN,fn);
else if (fn==NULL && saveAudioOut)
CounterFN(roPrefix,roSuffix,++roCounter,4,thisFN);
else
enableOutput = FALSE;
if((pbuf = OpenBuffer(&bufHeap,fn,50,dfmt,TRI_UNDEF,TRI_UNDEF))==NULL)
HError(3250,"ProcessFile: Config parameters invalid");
/* Check pbuf same as hset */
GetBufferInfo(pbuf,&pbinfo);
if (pbinfo.tgtPK!=hset.pkind)
HError(3231,"ProcessFile: Incompatible sample kind %s vs %s",
ParmKind2Str(pbinfo.tgtPK,buf1),
ParmKind2Str(hset.pkind,buf2));
if (pbinfo.a != NULL && replay) AttachReplayBuf(pbinfo.a, (int) (3*(1.0E+07/pbinfo.srcSampRate)));
StartRecognition(vri,net,lmScale,wordPen,prScale);
SetPruningLevels(vri,maxActive,currGenBeam,wordBeam,nBeam,tmBeam);
tact=0;nFrames=0;
StartBuffer(pbuf);
while(BufferStatus(pbuf)!=PB_CLEARED) {
ReadAsBuffer(pbuf,&obs);
if (trace&T_OBS) PrintObservation(nFrames,&obs,13);
if (hset.hsKind==DISCRETEHS){
for (s=1; s<=hset.swidth[0]; s++){
if( (obs.vq[s] < 1) || (obs.vq[s] > maxMixInS[s]))
HError(3250,"ProcessFile: Discrete data value [ %d ] out of range in stream [ %d ] in file %s",obs.vq[s],s,fn);
}
}
ProcessObservation(vri,&obs,-1,xfInfo.inXForm);
if (trace & T_FRS) {
for (d=vri->genMaxNode,j=0;j<30;d=d->links[0].node,j++)
if (d->type==n_word) break;
if (d->type==n_word){
if (d->info.pron==NULL) p=":bound:";
else p=d->info.pron->word->wordName->name;
}
else p=":external:";
m=FindMacroStruct(&hset,'h',vri->genMaxNode->info.hmm);
printf("Optimum @%-4d HMM: %s (%s) %d %5.3f\n",
vri->frame,m->id->name,p,
vri->nact,vri->genMaxTok.like/vri->frame);
fflush(stdout);
}
nFrames++;
tact+=vri->nact;
}
lat=CompleteRecognition(vri,pbinfo.tgtSampRate/10000000.0,&ansHeap);
if (lat==NULL) {
if ((trace & T_TOP) && fn != NULL){
if (restartable)
printf("No tokens survived to final node of network at beam %.1f\n", currGenBeam);
else
printf("No tokens survived to final node of network\n");
fflush(stdout);
} else if (fn==NULL){
printf("Sorry [%d frames]?\n",nFrames);fflush(stdout);
}
if (pbinfo.a != NULL && replay) ReplayAudio(pbinfo);
CloseBuffer(pbuf);
return FALSE;
}
if (vri->noTokenSurvived && restartable)
return FALSE;
if (vri->noTokenSurvived && trace & T_TOP) {
printf("No tokens survived to final node of network\n");
printf(" Output most likely partial hypothesis within network\n");
fflush(stdout);
}
lat->utterance=thisFN;
lat->net=wdNetFn;
lat->vocab=dictFn;
if (trace & T_TOP || fn==NULL) {
node=NULL;
for (j=0;j<lat->nn;j++) {
node=lat->lnodes+j;
if (node->pred==NULL) break;
node=NULL;
}
aclk=lmlk=0.0;
while(node!=NULL) {
for (arc=NULL,cur=node->foll;cur!=NULL;cur=cur->farc) arc=cur;
if (arc==NULL) break;
if (arc->end->word!=NULL)
printf("%s ",arc->end->word->wordName->name);
aclk+=arc->aclike+arc->prlike*lat->prscale;
lmlk+=arc->lmlike*lat->lmscale+lat->wdpenalty;
node=arc->end;
}
printf(" == [%d frames] %.4f [Ac=%.1f LM=%.1f] (Act=%.1f)\n",nFrames,
(aclk+lmlk)/nFrames, aclk,lmlk,(float)tact/nFrames);
fflush(stdout);
}
if (pbinfo.a != NULL && replay) ReplayAudio(pbinfo);
/* accumulate stats for online unsupervised adaptation
only if a token survived */
if ((lat != NULL) && (!vri->noTokenSurvived) && ((update > 0) || (xfInfo.useOutXForm)))
DoOnlineAdaptation(lat, pbuf, nFrames);
if (enableOutput){
if (nToks>1 && latExt!=NULL) {
MakeFN(thisFN,labDir,latExt,lfn);
if ((file=FOpen(lfn,NetOFilter,&isPipe))==NULL)
HError(3211,"ProcessFile: Could not open file %s for lattice output",lfn);
if (latForm==NULL)
form=HLAT_DEFAULT;
else {
for (p=latForm,form=0;*p!=0;p++) {
switch (*p) {
case 'A': form|=HLAT_ALABS; break;
case 'B': form|=HLAT_LBIN; break;
case 't': form|=HLAT_TIMES; break;
case 'v': form|=HLAT_PRON; break;
case 'a': form|=HLAT_ACLIKE; break;
case 'l': form|=HLAT_LMLIKE; break;
case 'd': form|=HLAT_ALIGN; break;
case 'm': form|=HLAT_ALDUR; break;
case 'n': form|=HLAT_ALLIKE; break;
case 'r': form|=HLAT_PRLIKE; break;
}
}
}
if(WriteLattice(lat,file,form)<SUCCESS)
HError(3214,"ProcessFile: WriteLattice failed");
FClose(file,isPipe);
}
/* only output 1-best transcription if generating lattices */
if (nTrans > 1 && latExt != NULL)
trans=TranscriptionFromLattice(&ansHeap,lat,1);
/* output N-best transcriptions as usual */
else
trans=TranscriptionFromLattice(&ansHeap,lat,nTrans);
if (labForm!=NULL)
FormatTranscription(trans,pbinfo.tgtSampRate,states,models,
strchr(labForm,'X')!=NULL,
strchr(labForm,'N')!=NULL,strchr(labForm,'S')!=NULL,
strchr(labForm,'C')!=NULL,strchr(labForm,'T')!=NULL,
strchr(labForm,'W')!=NULL,strchr(labForm,'M')!=NULL);
MakeFN(thisFN,labDir,labExt,lfn);
/* if(LSave(lfn,trans,ofmt)<SUCCESS)
HError(3214,"ProcessFile: Cannot save file %s", lfn); */
LSave(lfn,trans,ofmt);
Dispose(&ansHeap,trans);
}
Dispose(&ansHeap,lat);
CloseBuffer(pbuf);
if (trace & T_MMU){
printf("Memory State after utter %d\n",utterNum);
PrintAllHeapStats();
}
return !vri->noTokenSurvived;
}
