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📄 mp_stft.c

📁 LastWave
💻 C
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    UpdateSubDict(subDictAux);    stftAux = (STFT)subDictAux->dataContainer;    // Update the asked sub-dictionary now//    Printf("[H]");    UpdateStftHarmo(stft,stftAux,dict->updateTimeIdMin,dict->updateTimeIdMax);//     XXTerminalCursorGoBackward(3);    break;  case HighResStft :    Errorf("UpdateStftSubDict : HighResStft not implemented!");    // Update the auxiliary sub-dictionaries first    if((subDictAux = GetStftSubDict(dict,subDict->channel,RealStft,stft->windowShape,stft->windowSize,NULL))==NULL)      Errorf("UpdateStftSubDict (Weired) : missing auxiliary sub-dictionary RealStft for HighResStft");     UpdateSubDict(subDictAux);    stftAux = (STFT)subDictAux->dataContainer;    if((subDictAux = GetStftSubDict(dict,subDict->channel,PhaseStft,stft->windowShape,stft->windowSize,NULL))==NULL)      Errorf("UpdateStftSubDict (Weired) : missing auxiliary sub-dictionary PhaseStft for HighResStft");     UpdateSubDict(subDictAux);    stftAux1 = (STFT)subDictAux->dataContainer;    if((subDictAux = GetStftSubDict(dict,subDict->channel,RealStft,stft->windowShape,stft->windowSize/scaleFactorHighRes,NULL))==NULL)      Errorf("UpdateStftSubDict (Weired) : missing auxiliary sub-dictionary RealStft for HighResStft");     UpdateSubDict(subDictAux);    stftAux2 = (STFT)subDictAux->dataContainer;    if((subDictAux = GetStftSubDict(dict,subDict->channel,PhaseStft,stft->windowShape,stft->windowSize/scaleFactorHighRes,NULL))==NULL)      Errorf("UpdateStftSubDict (Weired) : missing auxiliary sub-dictionary PhaseStft for HighResStft");     UpdateSubDict(subDictAux);    stftAux3 = (STFT)subDictAux->dataContainer;    // Update the asked sub-dictionary now//    Printf("[h]");    UpdateStftHighRes(stft,stftAux,stftAux1,stftAux2,stftAux3,dict->updateTimeIdMin,dict->updateTimeIdMax);//     XXTerminalCursorGoBackward(3);    break;  default : Errorf("UpdateStftSubDict : type %s not implemented",StftType2Name(stft->type));  }  subDict->flagUpToDate = YES;  // TODO : remove that when possible  stft->flagUpToDate=YES;}char GetMaxStftSubDict(SUBDICT subDict,LISTV searchRange,LWFLOAT *pMaxValue,VALUE result) {  // Search range options  unsigned short i;  VALUE value=NULL;  STRVALUE str=NULL;  LISTV  lv=NULL;  char* rangeName=NULL;  char *type=NULL;  RANGE range=NULL;  LWFLOAT min,max;  LWFLOAT f;  // The search limits  char flagCausal;  long windowSizeMin,windowSizeMax;  long timeIdMin,timeIdMax;  long freqIdMin,freqIdMax;  // The location of the maximum  LWFLOAT maxValue;  // TODO : change to unsigned   int maxTimeId = 0;  int maxFreqId = 0;  int maxFreq0Id= 0;  int k_freqIdMin,k_freqIdMax;  int tmp1=0,tmp2=0;  // Some auxiliary variables  MOLECULE molecule=NULL;  static MOLECULE channelMol = NULL;  ATOM atom        =NULL;  ATOM channelAtom =NULL;  unsigned char channel;  unsigned short k;  LWFLOAT *innerProdR=NULL,*innerProdI=NULL;  DICT dict;  SUBDICT subDictAux = NULL;  STFT stftComplex = NULL;  STFT stftReal    = NULL;  STFT stft = (STFT)(subDict->dataContainer);  // Checking arguments  if(subDict->flagUpToDate==NO) Errorf("GetMaxStftSubDict : subDict is out of date!");  // Default search range  flagCausal  = NO;  windowSizeMin = STFT_MIN_WINDOWSIZE; windowSizeMax = STFT_MAX_WINDOWSIZE;  timeIdMin = 0; timeIdMax = stft->signalSize-1;  freqIdMin = 0; freqIdMax = GABOR_NYQUIST_FREQID;  // Limiting the search range if necessary  if(searchRange != NULL) {    i = 0;    while(i < searchRange->length) {      type = GetListvNth(searchRange,i,&value,&f);      // All search range options are &strings or &listv      if(type==strType) {	str = CastValue(value,STRVALUE);	if(!strcmp(str->str,"causal")) flagCausal=YES;	i++;continue;      }       if(type!=listvType) {	i++;continue;      }      lv=CastValue(value,LISTV);      if(lv->length!=2) {	i++;continue;      }      // Get the range name and the range itself      rangeName = GetListvNthStr(lv,0);      type = GetListvNth(lv,1,(VALUE*)&value,&f);      if(type==rangeType) {	range = CastValue(value,RANGE);	if(range->size >=2) Errorf("GetMaxStftSubDict : range size should be at most 2");	min = RangeMin(range);max=RangeMax(range);      } else if(type == numType) {	min = max = f;      } else Errorf("GetMaxStftSubDict : expect a &range or &num, not a '%s'",type);      // Treat the known fields      if(!strcmp(rangeName,"windowSize")) {	windowSizeMin = (long) MAX(windowSizeMin,min);windowSizeMax = (long) MIN(windowSizeMax,max);	if(!INRANGE(windowSizeMin,stft->windowSize,windowSizeMax)) return(NO);	i++;continue;      }      if(!strcmp(rangeName,"timeId")) {	timeIdMin = (long) MAX(timeIdMin,min);timeIdMax = (long) MIN(timeIdMax,max);	if(timeIdMin>timeIdMax) return(NO);	i++;continue;      }      if(!strcmp(rangeName,"time")) {	timeIdMin = (long) MAX(timeIdMin,Time2TimeId(stft,min));timeIdMax = (long) MIN(timeIdMax,Time2TimeId(stft,max));	if(timeIdMin>timeIdMax) return(NO);	i++;continue;      }      if(!strcmp(rangeName,"freqId")) {	freqIdMin = (long) MAX(freqIdMin,min);freqIdMax = (long)MIN(freqIdMax,max);	if(freqIdMin>freqIdMax) return(NO);	i++;continue;      }      if(!strcmp(rangeName,"freq")) {	freqIdMin = (long)MAX(freqIdMin,Freq2FreqId(stft,min));freqIdMax = (long)MIN(freqIdMax,Freq2FreqId(stft,max));	if(freqIdMin>freqIdMax) return(NO);	i++;continue;      }      i++;continue;    }  }  // Looks for the maximum over the stft  if(pMaxValue) *pMaxValue=0.0;  // If the search range was empty we return NO  if(GetStftMax(stft,flagCausal,timeIdMin,timeIdMax,freqIdMin,freqIdMax,&maxTimeId,&maxFreqId,&maxValue)==NO) return(NO);  if(pMaxValue) *pMaxValue=maxValue;    // If the result is a &listv we should fill it  if(GetTypeValue(result)==listvType) {    ClearListv(CastValue(result,LISTV));    lv = TNewListv();    AppendStr2Listv(lv,"timeId");AppendInt2Listv(lv,maxTimeId);    AppendValue2Listv(CastValue(result,LISTV),(VALUE)lv);    lv = TNewListv();    AppendStr2Listv(lv,"freqId");AppendInt2Listv(lv,maxFreqId);    AppendValue2Listv(CastValue(result,LISTV),(VALUE)lv);    return(YES);  }   // If the result is a &mol we should fill it  dict = subDict->dict;  if(GetTypeValue(result)==moleculeType) {    molecule = (MOLECULE)result;    ClearMolecule(molecule);    SizeMolecule(molecule,stft->dimHarmo*dict->nChannels);    // What we know so far as a 'freqId' is indeed the fundamental frequency.    maxFreq0Id = maxFreqId;    /* First, we fill the molecule with the first channel */    // Next we will loop (using 'maxFreqId') on the frequency of the partials    for(k = 0; k < stft->dimHarmo; k++) {      atom = NewAtom();      // First, set the time-frequency content      CopyFieldsTFContent(stft,atom);      atom->windowShape= stft->windowShape;      atom->windowSize = stft->windowSize;      atom->timeId 	= maxTimeId;      if(stft->type==HarmoStft) {	// Determining the box around (k+1)*freq0Id where to look for a partial	// if it is empty we return the molecule immediately without adding a new (empty!) atom.	if(HarmoPartialBox(stft,k,maxFreq0Id,&k_freqIdMin,&k_freqIdMax) == NO) {	  if(k==0) Errorf("GetMaxStftSubDict : (Weird) NULL first partial");	  DeleteAtom(atom);	  return(YES);	}	// Get the best partial in the box, using the (multichannel) 'real' stft of the dictionary 	// with the corresponding window	if(dict->nChannels>1) channel = dict->nChannels;	else                  channel = 0;	if((subDictAux = GetStftSubDict(subDict->dict,channel,RealStft,stft->windowShape,stft->windowSize,NULL))==NULL)	  Errorf("GetMaxStftSubDict (Weired) : missing auxiliary sub-dictionary RealStft for setting harmonic molecule"); 	if(subDictAux->flagUpToDate == NO) Errorf("GetMaxStftSubDict : stftReal is out of date");	stftReal = (STFT)subDictAux->dataContainer;	GetStftMax(stftReal,flagCausal,maxTimeId,maxTimeId,k_freqIdMin,k_freqIdMax,&tmp1,&tmp2,&f);	// maxFreqId is the freqId of the partial 'atom'	maxFreqId = tmp2;      }       atom->freqId = maxFreqId;      // Then, get the complex inner product (for the first channel) using the 'complex' stft of the dictionary       // with the corresponding window      channel = 0;      if((subDictAux = GetStftSubDict(subDict->dict,channel,ComplexStft,stft->windowShape,stft->windowSize,NULL))==NULL)	Errorf("GetMaxStftSubDict (Weired) : missing auxiliary sub-dictionary ComplexStft for setting atom");       if(subDictAux->flagUpToDate == NO)	Errorf("GetMaxStftSubDict : stftComplex is out of date");      stftComplex = (STFT)(subDictAux->dataContainer);        GetStftData(stftComplex,maxTimeId,&innerProdR,&innerProdI);      atom->coeffR= innerProdR[maxFreqId/stftComplex->fRate];      atom->coeffI= innerProdI[maxFreqId/stftComplex->fRate];      //	  //	  Printf("channel0 %g\n",innerProdR[maxFreqId/stftComplex->fRate]);      // Get the phase and real coeff2      CastAtomReal(atom);      // Compute the HighRes coefficient if asked      if(stft->type==HighResStft) {	//	SetRealAtom(atom,subDict->dict,subdict->dict->signal,	//		    flagOptimize,	//		    NO,YES);	Errorf("GetMaxStftSubDict : Highres atom not re-implemented");      }      // Now we add the atom and increase the actual dimension      AddAtom2Molecule(molecule,atom);    }    /* Now, we fill the other channels if necessary */    if(dict->nChannels > 1) {      if(channelMol==NULL) channelMol = NewMolecule();      SizeMolecule(channelMol,molecule->dim);      for(channel=1; channel<dict->nChannels; channel++) {	ClearMolecule(channelMol);	for(k = 0; k < molecule->dim; k++) {	  atom        = GetMoleculeAtom(molecule,0,k);	  channelAtom = CopyAtom(atom,channelAtom);	  /* Get the complex inner product */	  if((subDictAux = GetStftSubDict(subDict->dict,channel,ComplexStft,stft->windowShape,stft->windowSize,NULL))==NULL)	    Errorf("GetMaxStftSubDict (Weired) : missing auxiliary sub-dictionary ComplexStft for setting atom"); 	  if(subDictAux->flagUpToDate == NO)	    Errorf("GetMaxStftSubDict : stftComplex is out of date");	  stftComplex = (STFT)(subDictAux->dataContainer);  	  GetStftData(stftComplex,channelAtom->timeId,&innerProdR,&innerProdI);	  channelAtom->coeffR= innerProdR[((long)(channelAtom->freqId+0.5))/stftComplex->fRate];	  channelAtom->coeffI= innerProdI[((long)(channelAtom->freqId+0.5))/stftComplex->fRate];	  /* Get the phase and real coeff2 */	  CastAtomReal(channelAtom);	  /* Compute the HighRes coefficient if asked */	  if(stft->type==HighResStft) {	    //	SetRealAtom(atom,subDict->dict,subdict->dict->signal,	    //		    flagOptimize,	    //		    NO,YES);	    Errorf("GetMaxStftSubDict : Highres atom not re-implemented");	  }	  // Now we add the channelAtom to the channelMolecule */	  AddAtom2Molecule(channelMol,channelAtom);	}	AddChannel2Molecule(molecule,channelMol);      }    }    return(YES);  }  Errorf("GetMaxStftSubDict : Weired error!");}SubDictMethods StftMethods = {  &GetMaxStftSubDict,  &UpdateStftSubDict};

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