示例#1
0
void
fit_init(fitinfo *fit)
{
  beam_init(&fit->beam);
  pars_init(&fit->pars);
  profile_init(&fit->p);
  model_init(&fit->m);
  interface_init(&fit->rm);
  fit->m.rm = &fit->rm;
  fit->capacity = -1;
  fit->nQ = 0;
  data_init(&fit->dataA);
  data_init(&fit->dataB);
  data_init(&fit->dataC);
  data_init(&fit->dataD);
  fit->worksize = 0;
  fit->datatype = FIT_MAGNITUDE;
  fit->weight = 1.;
  fit->penalty = 0.;

  /* Parameters to support incoherent sum of models */
  fit->number_incoherent = 0;
  fit->incoherent_models = NULL;
  fit->incoherent_weights = NULL;
}
示例#2
0
static void
new_view(			/* change view parameters */
	register VIEW	*v
)
{
	static VIEW	viewhist[VIEWHISTLEN];
	static unsigned	nhist;
	VIEW	*dv;
	int	i, res[2];
	int16	*slist;
	char	*err;
				/* restore previous view? */
	if (v == NULL) {
		if (nhist > 1)		/* get one before last setting */
			nhist--;
		else			/* else go to end of list */
			while (nhist < VIEWHISTLEN && viewhist[nhist].type)
				nhist++;
		v = viewhist + ((nhist-1)%VIEWHISTLEN);
	} else
again:
	if ((err = setview(v)) != NULL) {
		error(COMMAND, err);
		return;
	}
	if (!dev_view(v))	/* notify display driver */
		goto again;
	if (v->type == VT_PAR) {
		error(COMMAND, "cannot handle parallel views");
		return;
	}
	beam_init(odev.firstuse);	/* compute new beam set */
	for (i = 0; (dv = dev_auxview(i, res)) != NULL; i++) {
		if ((slist = beam_view(dv, res[0], res[1])) == NULL) {
			if (!nhist) {
				error(COMMAND, "invalid starting view");
				return;
			}
			*v = *(viewhist + ((nhist-1)%VIEWHISTLEN));
			goto again;	/* XXX overloading dev_section()? */
		}
		DCHECK(*slist < 0, WARNING, "no visible sections in new_view");
		for ( ; *slist >= 0; slist++)
			dev_section(hdgfn[*slist], hdpfn[*slist]);
	}
	dev_section(NULL,NULL);	/* end section list */
	dev_flush();		/* update display */
				/* update server */
	imm_mode = beam_sync(odev.firstuse) > 0;
				/* record new view */
	if (v < viewhist || v >= viewhist+VIEWHISTLEN) {
		*(viewhist + (nhist%VIEWHISTLEN)) = *v;
		nhist++;
	}
}
示例#3
0
文件: kb.c 项目: 4auka/cmusphinx
void
kb_init(kb_t * kb, cmd_ln_t *config)
{
    kbcore_t *kbcore;
    mdef_t *mdef;
    dict_t *dict;
    dict2pid_t *d2p;
    int32 cisencnt;

    /* STRUCTURE: Initialize the kb structure to zero, just in case */
    memset(kb, 0, sizeof(*kb));
    kb->kbcore = kbcore_init(config);
    if (kb->kbcore == NULL)
        E_FATAL("Initialization of kb failed\n");

    kbcore = kb->kbcore;
    mdef = kbcore_mdef(kbcore);
    dict = kbcore_dict(kbcore);
    d2p = kbcore_dict2pid(kbcore);

    err_set_debug_level(cmd_ln_int32_r(config, "-debug"));

    /* STRUCTURE INITIALIZATION: Initialize the beam data structure */
    if (cmd_ln_exists_r(config, "-ptranskip")) {
        kb->beam = beam_init(cmd_ln_float64_r(config, "-beam"),
                             cmd_ln_float64_r(config, "-pbeam"),
                             cmd_ln_float64_r(config, "-wbeam"),
                             cmd_ln_float64_r(config, "-wend_beam"),
                             cmd_ln_int32_r(config, "-ptranskip"), mdef_n_ciphone(mdef),
                             kbcore->logmath
            );

        /* REPORT : Report the parameters in the beam data structure */
        if (REPORT_KB)
                beam_report(kb->beam);
    }


    /* STRUCTURE INITIALIZATION: Initialize the fast GMM computation data structure */
    if (cmd_ln_exists_r(config, "-ci_pbeam")) {
        kb->fastgmm = fast_gmm_init(cmd_ln_int32_r(config, "-ds"),
                                    cmd_ln_int32_r(config, "-cond_ds"),
                                    cmd_ln_int32_r(config, "-dist_ds"),
                                    cmd_ln_int32_r(config, "-gs4gs"),
                                    cmd_ln_int32_r(config, "-svq4svq"),
                                    cmd_ln_float64_r(config, "-subvqbeam"),
                                    cmd_ln_float64_r(config, "-ci_pbeam"),
                                    cmd_ln_float64_r(config, "-tighten_factor"),
                                    cmd_ln_int32_r(config, "-maxcdsenpf"),
                                    mdef->n_ci_sen,
                                    kbcore->logmath);

        /* REPORT : Report the parameters in the fast_gmm_t data struture */
        if (REPORT_KB)
            fast_gmm_report(kb->fastgmm);
    }

    /* STRUCTURE INITIALIZATION: Initialize the phoneme lookahead data structure */
    if (cmd_ln_exists_r(config, "-pl_beam")) {
        kb->pl = pl_init(cmd_ln_int32_r(config, "-pheurtype"),
                         cmd_ln_float64_r(config, "-pl_beam"), mdef_n_ciphone(mdef),
                         kbcore->logmath
            );

        /* REPORT : Report the parameters in the pl_t data struture */
        if (REPORT_KB)
            pl_report(kb->pl);
    }

    /* STRUCTURE INITIALIZATION: Initialize the acoustic score data structure */
    {
        int32 pl_window = 1;

        if (cmd_ln_exists_r(config, "-pl_window"))
            pl_window = cmd_ln_int32_r(config, "-pl_window");

        for (cisencnt = 0; cisencnt == mdef->cd2cisen[cisencnt]; cisencnt++) ;
        kb->ascr = ascr_init(kbcore_n_mgau(kbcore),
                             kb->kbcore->dict2pid->n_comstate,
                             mdef_n_sseq(mdef),
                             dict2pid_n_comsseq(d2p),
                             pl_window, cisencnt);

        if (REPORT_KB)
            ascr_report(kb->ascr);
    }

    /* Initialize the front end if -adcin is specified */
    if (cmd_ln_exists_r(config, "-adcin") && cmd_ln_boolean_r(config, "-adcin")) {
        if ((kb->fe = fe_init_auto_r(config)) == NULL) {
            E_FATAL("fe_init_auto_r() failed\n");
        }
    }
    /* STRUCTURE INITIALIZATION : The feature vector */
    if ((kb->feat =
         feat_array_alloc(kbcore_fcb(kbcore), S3_MAX_FRAMES)) == NULL)
        E_FATAL("feat_array_alloc() failed\n");

    /* STRUCTURE INITIALIZATION : The statistics for the search */
    kb->stat = stat_init();

    /* STRUCTURE INITIALIZATION : The adaptation routines of the search */
    kb->adapt_am = adapt_am_init();

    if (cmd_ln_str_r(config, "-mllr")) {
        kb_setmllr(cmd_ln_str_r(config, "-mllr"), cmd_ln_str_r(config, "-cb2mllr"), kb);
    }

    /* CHECK: make sure when (-cond_ds) is specified, a Gaussian map is also specified */
    if (cmd_ln_int32_r(config, "-cond_ds") > 0 && kb->kbcore->gs == NULL)
        E_FATAL
            ("Conditional Down Sampling require the use of Gaussian Selection map\n");

    /* MEMORY ALLOCATION : Word best score and exit */
    /* Open hypseg file if specified */
    kb->matchsegfp = kb->matchfp = NULL;
    kb->matchsegfp = file_open(cmd_ln_str_r(config, "-hypseg"));
    kb->matchfp = file_open(cmd_ln_str_r(config, "-hyp"));

    if (cmd_ln_exists_r(config, "-hmmdump"))
        kb->hmmdumpfp = cmd_ln_int32_r(config, "-hmmdump") ? stderr : NULL;

    /* STRUCTURE INITIALIZATION : The search data structure, done only
       after kb is initialized kb is acted as a clipboard. */
    if (cmd_ln_exists_r(config, "-op_mode")) {
        /* -op_mode, if set (i.e. not -1), takes precedence over -mode. */
        if (cmd_ln_int32_r(config, "-op_mode") != -1)
            kb->op_mode = cmd_ln_int32_r(config, "-op_mode");
        else
            kb->op_mode = srch_mode_str_to_index(cmd_ln_str_r(config, "-mode"));
        E_INFO("SEARCH MODE INDEX %d\n", kb->op_mode);
        if ((kb->srch = (srch_t *) srch_init(kb, kb->op_mode)) == NULL) {
            E_FATAL("Search initialization failed. Forced exit\n");
        }
        if (REPORT_KB) {
            srch_report(kb->srch);
        }
    }
}
示例#4
0
文件: kb.c 项目: yqzhang/MemProfile
/*ARCHAN, to allow backward compatibility -lm, -lmctlfn coexists. This makes the current implmentation more complicated than necessary. */
void kb_init (kb_t *kb)
{
    kbcore_t *kbcore;
    mdef_t *mdef;
    dict_t *dict;
    dict2pid_t *d2p;
    lm_t *lm;
    lmset_t *lmset;
    s3cipid_t sil, ci;
    s3wid_t w;
    int32 i, n, n_lc;
    wordprob_t *wp;
    s3cipid_t *lc;
    bitvec_t lc_active;
    char *str;
    int32 cisencnt;
    int32 j;
    
    /* Initialize the kb structure to zero, just in case */
    memset(kb, 0, sizeof(*kb));
    kb->kbcore = NULL;

    kb->kbcore = kbcore_init (cmd_ln_float32 ("-logbase"),
			      cmd_ln_str("-feat"),
			      cmd_ln_str("-cmn"),
			      cmd_ln_str("-varnorm"),
			      cmd_ln_str("-agc"),
			      cmd_ln_str("-mdef"),
			      cmd_ln_str("-dict"),
			      cmd_ln_str("-fdict"),
			      "",	/* Hack!! Hardwired constant 
						for -compsep argument */
			      cmd_ln_str("-lm"),
			      cmd_ln_str("-lmctlfn"),
			      cmd_ln_str("-lmdumpdir"),
			      cmd_ln_str("-fillpen"),
			      cmd_ln_str("-senmgau"),
			      cmd_ln_float32("-silprob"),
			      cmd_ln_float32("-fillprob"),
			      cmd_ln_float32("-lw"),
			      cmd_ln_float32("-wip"),
			      cmd_ln_float32("-uw"),
			      cmd_ln_str("-mean"),
			      cmd_ln_str("-var"),
			      cmd_ln_float32("-varfloor"),
			      cmd_ln_str("-mixw"),
			      cmd_ln_float32("-mixwfloor"),
			      cmd_ln_str("-subvq"),
			      cmd_ln_str("-gs"),
			      cmd_ln_str("-tmat"),
			      cmd_ln_float32("-tmatfloor"));
    if(kb->kbcore==NULL){
      E_FATAL("Initialization of kb failed\n");
    }

    kbcore = kb->kbcore;
    
    mdef = kbcore_mdef(kbcore);
    dict = kbcore_dict(kbcore);
    lm = kbcore_lm(kbcore);
    lmset=kbcore_lmset(kbcore);
    d2p = kbcore_dict2pid(kbcore);
    
    if (NOT_S3WID(dict_startwid(dict)) || NOT_S3WID(dict_finishwid(dict)))
	E_FATAL("%s or %s not in dictionary\n", S3_START_WORD, S3_FINISH_WORD);

    if(lmset){
      for(i=0;i<kbcore_nlm(kbcore);i++){
	if (NOT_S3LMWID(lm_startwid(lmset[i].lm)) || NOT_S3LMWID(lm_finishwid(lmset[i].lm)))
	E_FATAL("%s or %s not in LM %s\n", S3_START_WORD, S3_FINISH_WORD,lmset[i].name);
      }
    }else if(lm){
      if (NOT_S3LMWID(lm_startwid(lm)) || NOT_S3LMWID(lm_finishwid(lm)))
	E_FATAL("%s or %s not in LM\n", S3_START_WORD, S3_FINISH_WORD);
    }

    
    /* Check that HMM topology restrictions are not violated */
    if (tmat_chk_1skip (kbcore->tmat) < 0)
	E_FATAL("Tmat contains arcs skipping more than 1 state\n");
    
    /*
     * Unlink <s> and </s> between dictionary and LM, to prevent their 
     * recognition.  They are merely dummy words (anchors) at the beginning 
     * and end of each utterance.
     */
    if(lmset){
      for(i=0;i<kbcore_nlm(kbcore);i++){
	lm_lmwid2dictwid(lmset[i].lm, lm_startwid(lmset[i].lm)) = BAD_S3WID;
	lm_lmwid2dictwid(lmset[i].lm, lm_finishwid(lmset[i].lm)) = BAD_S3WID;

	for (w = dict_startwid(dict); IS_S3WID(w); w = dict_nextalt(dict, w))
	  lmset[i].lm->dict2lmwid[w] = BAD_S3LMWID;
	for (w = dict_finishwid(dict); IS_S3WID(w); w = dict_nextalt(dict, w))
	  lmset[i].lm->dict2lmwid[w] = BAD_S3LMWID;

      }
    }else if(lm){ /* No LM is set at this point*/
      lm_lmwid2dictwid(lm, lm_startwid(lm)) = BAD_S3WID;
      lm_lmwid2dictwid(lm, lm_finishwid(lm)) = BAD_S3WID;
      for (w = dict_startwid(dict); IS_S3WID(w); w = dict_nextalt(dict, w))
	kbcore->dict2lmwid[w] = BAD_S3LMWID;
      for (w = dict_finishwid(dict); IS_S3WID(w); w = dict_nextalt(dict, w))
	kbcore->dict2lmwid[w] = BAD_S3LMWID;

    }
    sil = mdef_silphone (kbcore_mdef (kbcore));
    if (NOT_S3CIPID(sil))
	E_FATAL("Silence phone '%s' not in mdef\n", S3_SILENCE_CIPHONE);
    
    
    kb->sen_active = (int32 *) ckd_calloc (mdef_n_sen(mdef), sizeof(int32));
    kb->rec_sen_active = (int32 *) ckd_calloc (mdef_n_sen(mdef), sizeof(int32));
    kb->ssid_active = (int32 *) ckd_calloc (mdef_n_sseq(mdef), sizeof(int32));
    kb->comssid_active = (int32 *) ckd_calloc (dict2pid_n_comsseq(d2p), sizeof(int32));
    
    /* Build set of all possible left contexts */
    lc = (s3cipid_t *) ckd_calloc (mdef_n_ciphone(mdef) + 1, sizeof(s3cipid_t));
    lc_active = bitvec_alloc (mdef_n_ciphone (mdef));
    for (w = 0; w < dict_size (dict); w++) {
	ci = dict_pron (dict, w, dict_pronlen(dict, w) - 1);
	if (! mdef_is_fillerphone (mdef, (int)ci))
	    bitvec_set (lc_active, ci);
    }
    ci = mdef_silphone(mdef);
    bitvec_set (lc_active, ci);
    for (ci = 0, n_lc = 0; ci < mdef_n_ciphone(mdef); ci++) {
	if (bitvec_is_set (lc_active, ci))
	    lc[n_lc++] = ci;
    }
    lc[n_lc] = BAD_S3CIPID;

    E_INFO("Building lextrees\n");
    /* Get the number of lexical tree*/
    kb->n_lextree = cmd_ln_int32 ("-Nlextree");
    if (kb->n_lextree < 1) {
	E_ERROR("No. of ugtrees specified: %d; will instantiate 1 ugtree\n", 
								kb->n_lextree);
	kb->n_lextree = 1;
    }

    /* ARCHAN: This code was rearranged in s3.4 implementation of dynamic LM */
    /* Build active word list */
    wp = (wordprob_t *) ckd_calloc (dict_size(dict), sizeof(wordprob_t));


    if(lmset){
      kb->ugtreeMulti = (lextree_t **) ckd_calloc (kbcore_nlm(kbcore)*kb->n_lextree, sizeof(lextree_t *));
      /* Just allocate pointers*/
      kb->ugtree = (lextree_t **) ckd_calloc (kb->n_lextree, sizeof(lextree_t *));

      for(i=0;i<kbcore_nlm(kbcore);i++){
	E_INFO("Creating Unigram Table for lm %d name %s\n",i,lmset[i].name);
	n=0;
	for(j=0;j<dict_size(dict);j++){ /*try to be very careful again */
	  wp[j].wid=-1;
	  wp[j].prob=-1;
	}
	n = lm_ug_wordprob (lmset[i].lm, dict,MAX_NEG_INT32, wp);
	E_INFO("Size of word table after unigram + words in class: %d.\n",n);
	if (n < 1)
	  E_FATAL("%d active words in %s\n", n,lmset[i].name);
	n = wid_wordprob2alt(dict,wp,n);
	E_INFO("Size of word table after adding alternative prons: %d.\n",n);
	if (cmd_ln_int32("-treeugprob") == 0) {
	  for (i = 0; i < n; i++)
	    wp[i].prob = -1;    	/* Flatten all initial probabilities */
	}

	for (j = 0; j < kb->n_lextree; j++) {
	  kb->ugtreeMulti[i*kb->n_lextree+j] = lextree_build (kbcore, wp, n, lc);
	  lextree_type (kb->ugtreeMulti[i*kb->n_lextree+j]) = 0;
	  E_INFO("Lextrees (%d) for lm %d name %s, %d nodes(ug)\n",
		 kb->n_lextree, i, lmset[i].name,lextree_n_node(kb->ugtreeMulti[i*kb->n_lextree+j]));
	}
      }

    }else if (lm){
      E_INFO("Creating Unigram Table\n");
      n=0;
      n = lm_ug_wordprob (lm, dict,MAX_NEG_INT32, wp);
      E_INFO("Size of word table after unigram + words in class: %d\n",n);
      if (n < 1)
	E_FATAL("%d active words\n", n);
      n = wid_wordprob2alt (dict, wp, n);	   /* Add alternative pronunciations */
      
      /* Retain or remove unigram probs from lextree, depending on option */
      if (cmd_ln_int32("-treeugprob") == 0) {
	for (i = 0; i < n; i++)
	  wp[i].prob = -1;    	/* Flatten all initial probabilities */
      }
      
      /* Create the desired no. of unigram lextrees */
      kb->ugtree = (lextree_t **) ckd_calloc (kb->n_lextree, sizeof(lextree_t *));
      for (i = 0; i < kb->n_lextree; i++) {
	kb->ugtree[i] = lextree_build (kbcore, wp, n, lc);
	lextree_type (kb->ugtree[i]) = 0;
      }
      E_INFO("Lextrees(%d), %d nodes(ug)\n",
	     kb->n_lextree, lextree_n_node(kb->ugtree[0]));
    }



    /* Create filler lextrees */
    /* ARCHAN : only one filler tree is supposed to be build even for dynamic LMs */
    n = 0;
    for (i = dict_filler_start(dict); i <= dict_filler_end(dict); i++) {
	if (dict_filler_word(dict, i)) {
	    wp[n].wid = i;
	    wp[n].prob = fillpen (kbcore->fillpen, i);
	    n++;
	}
    }


    kb->fillertree = (lextree_t **)ckd_calloc(kb->n_lextree,sizeof(lextree_t*));
    for (i = 0; i < kb->n_lextree; i++) {
	kb->fillertree[i] = lextree_build (kbcore, wp, n, NULL);
	lextree_type (kb->fillertree[i]) = -1;
    }
    ckd_free ((void *) wp);
    ckd_free ((void *) lc);
    bitvec_free (lc_active);


    E_INFO("Lextrees(%d), %d nodes(filler)\n",
	     kb->n_lextree, 
	     lextree_n_node(kb->fillertree[0]));
    

    if (cmd_ln_int32("-lextreedump")) {
      if(lmset){
	E_FATAL("Currently, doesn't support -lextreedump for multiple-LMs\n");
      }
      for (i = 0; i < kb->n_lextree; i++) {
	fprintf (stderr, "UGTREE %d\n", i);
	lextree_dump (kb->ugtree[i], dict, stderr);
      }
      for (i = 0; i < kb->n_lextree; i++) {
	fprintf (stderr, "FILLERTREE %d\n", i);
	lextree_dump (kb->fillertree[i], dict, stderr);
      }
      fflush (stderr);
    }
    
    kb->ascr = ascr_init (mgau_n_mgau(kbcore_mgau(kbcore)), 
				kbcore->dict2pid->n_comstate);
    kb->beam = beam_init (cmd_ln_float64("-subvqbeam"),
			  cmd_ln_float64("-beam"),
			  cmd_ln_float64("-pbeam"),
			  cmd_ln_float64("-wbeam"));
    E_INFO("Beam= %d, PBeam= %d, WBeam= %d, SVQBeam= %d\n",
	   kb->beam->hmm, kb->beam->ptrans, kb->beam->word, kb->beam->subvq);
    
    /*Sections of optimization related parameters*/
    kb->ds_ratio=cmd_ln_int32("-ds");
    E_INFO("Down Sampling Ratio = %d\n",kb->ds_ratio);
    
    kb->rec_bstcid=-1;
    kb->skip_count=0;
    
    kb->cond_ds=cmd_ln_int32("-cond_ds");
    E_INFO("Conditional Down Sampling Parameter = %d\n",kb->cond_ds);
    
    if(kb->cond_ds>0&&kb->kbcore->gs==NULL) E_FATAL("Conditional Down Sampling require the use of Gaussian Selection map\n");

    kb->gs4gs=cmd_ln_int32("-gs4gs");
    E_INFO("GS map would be used for Gaussian Selection? = %d\n",kb->gs4gs);

    kb->svq4svq=cmd_ln_int32("-svq4svq");
    E_INFO("SVQ would be used as Gaussian Score ?= %d\n",kb->svq4svq);

    kb->ci_pbeam=-1*logs3(cmd_ln_float32("-ci_pbeam"));
    E_INFO("CI phone beam to prune the number of parent CI phones in CI-base GMM Selection = %d\n",kb->ci_pbeam);
    if(kb->ci_pbeam>10000000){
      E_INFO("Virtually no CI phone beam is applied now. (ci_pbeam>1000000)\n");
    }
    
    kb->wend_beam=-1*logs3(cmd_ln_float32("-wend_beam"));
    E_INFO("Word-end pruning beam: %d\n",kb->wend_beam);

    kb->pl_window=cmd_ln_int32("-pl_window");
    E_INFO("Phoneme look-ahead window size = %d\n",kb->pl_window);

	kb->pl_window_start=0;

    kb->pl_beam=logs3(cmd_ln_float32("-pl_beam"));
    E_INFO("Phoneme look-ahead beam = %d\n",kb->pl_beam);

    for(cisencnt=0;cisencnt==mdef->cd2cisen[cisencnt];cisencnt++) 
      ;

    kb->cache_ci_senscr=(int32**)ckd_calloc_2d(kb->pl_window,cisencnt,sizeof(int32));
    kb->cache_best_list=(int32*)ckd_calloc(kb->pl_window,sizeof(int32));
    kb->phn_heur_list=(int32*)ckd_calloc(mdef_n_ciphone (mdef),sizeof(int32));
  

    if ((kb->feat = feat_array_alloc(kbcore_fcb(kbcore),S3_MAX_FRAMES)) == NULL)
	E_FATAL("feat_array_alloc() failed\n");
    
    kb->vithist = vithist_init(kbcore, kb->beam->word, cmd_ln_int32("-bghist"));
    
    ptmr_init (&(kb->tm_sen));
    ptmr_init (&(kb->tm_srch));
    ptmr_init (&(kb->tm_ovrhd));
    kb->tot_fr = 0;
    kb->tot_sen_eval = 0.0;
    kb->tot_gau_eval = 0.0;
    kb->tot_hmm_eval = 0.0;
    kb->tot_wd_exit = 0.0;
    
    kb->hmm_hist_binsize = cmd_ln_int32("-hmmhistbinsize");

    if(lmset)
      n = ((kb->ugtreeMulti[0]->n_node) + (kb->fillertree[0]->n_node)) * kb->n_lextree;
    else
      n = ((kb->ugtree[0]->n_node) + (kb->fillertree[0]->n_node)) * kb->n_lextree;

    n /= kb->hmm_hist_binsize;
    kb->hmm_hist_bins = n+1;
    kb->hmm_hist = (int32 *) ckd_calloc (n+1, sizeof(int32));	/* Really no need for +1 */
    
    /* Open hypseg file if specified */
    str = cmd_ln_str("-hypseg");
    kb->matchsegfp = NULL;
    if (str) {
#ifdef SPEC_CPU_WINDOWS
	if ((kb->matchsegfp = fopen(str, "wt")) == NULL)
#else
	if ((kb->matchsegfp = fopen(str, "w")) == NULL)
#endif
	    E_ERROR("fopen(%s,w) failed; use FWDXCT: from std logfile\n", str);
    }

    str = cmd_ln_str("-hyp");
    kb->matchfp = NULL;
    if (str) {
#ifdef SPEC_CPU_WINDOWS
	if ((kb->matchfp = fopen(str, "wt")) == NULL)
#else
	if ((kb->matchfp = fopen(str, "w")) == NULL)
#endif
	    E_ERROR("fopen(%s,w) failed; use FWDXCT: from std logfile\n", str);
    }
}
示例#5
0
文件: kb.c 项目: 10v/cmusphinx
void kb_init (kb_t *kb)
{
    kbcore_t *kbcore;
    mdef_t *mdef;
    dict_t *dict;
    dict2pid_t *d2p;
    lm_t *lm;
    s3cipid_t sil, ci;
    s3wid_t w;
    int32 i, n, n_lc;
    wordprob_t *wp;
    s3cipid_t *lc;
    bitvec_t lc_active;
    char *str;
    
    /* Initialize the kb structure to zero, just in case */
    memset(kb, 0, sizeof(*kb));

    kb->kbcore = kbcore_init (cmd_ln_float32 ("-logbase"),
			      "1s_c_d_dd",    /* Hack!! Hardwired constant 
						for -feat argument */
			      cmd_ln_str("-cmn"),
			      cmd_ln_str("-varnorm"),
			      cmd_ln_str("-agc"),
			      cmd_ln_str("-mdef"),
			      cmd_ln_str("-dict"),
			      cmd_ln_str("-fdict"),
			      "",	/* Hack!! Hardwired constant 
						for -compsep argument */
			      cmd_ln_str("-lm"),
			      cmd_ln_str("-fillpen"),
			      cmd_ln_float32("-silprob"),
			      cmd_ln_float32("-fillprob"),
			      cmd_ln_float32("-lw"),
			      cmd_ln_float32("-wip"),
			      cmd_ln_float32("-uw"),
			      cmd_ln_str("-mean"),
			      cmd_ln_str("-var"),
			      cmd_ln_float32("-varfloor"),
			      cmd_ln_str("-mixw"),
			      cmd_ln_float32("-mixwfloor"),
			      cmd_ln_str("-subvq"),
			      cmd_ln_str("-tmat"),
			      cmd_ln_float32("-tmatfloor"));
    
    kbcore = kb->kbcore;
    
    mdef = kbcore_mdef(kbcore);
    dict = kbcore_dict(kbcore);
    lm = kbcore_lm(kbcore);
    d2p = kbcore_dict2pid(kbcore);
    
    if (NOT_S3WID(dict_startwid(dict)) || NOT_S3WID(dict_finishwid(dict)))
	E_FATAL("%s or %s not in dictionary\n", S3_START_WORD, S3_FINISH_WORD);
    if (NOT_S3LMWID(lm_startwid(lm)) || NOT_S3LMWID(lm_finishwid(lm)))
	E_FATAL("%s or %s not in LM\n", S3_START_WORD, S3_FINISH_WORD);
    
    /* Check that HMM topology restrictions are not violated */
    if (tmat_chk_1skip (kbcore->tmat) < 0)
	E_FATAL("Tmat contains arcs skipping more than 1 state\n");
    
    /*
     * Unlink <s> and </s> between dictionary and LM, to prevent their 
     * recognition.  They are merely dummy words (anchors) at the beginning 
     * and end of each utterance.
     */
    lm_lmwid2dictwid(lm, lm_startwid(lm)) = BAD_S3WID;
    lm_lmwid2dictwid(lm, lm_finishwid(lm)) = BAD_S3WID;
    for (w = dict_startwid(dict); IS_S3WID(w); w = dict_nextalt(dict, w))
	kbcore->dict2lmwid[w] = BAD_S3LMWID;
    for (w = dict_finishwid(dict); IS_S3WID(w); w = dict_nextalt(dict, w))
	kbcore->dict2lmwid[w] = BAD_S3LMWID;
    
    sil = mdef_silphone (kbcore_mdef (kbcore));
    if (NOT_S3CIPID(sil))
	E_FATAL("Silence phone '%s' not in mdef\n", S3_SILENCE_CIPHONE);
    
    E_INFO("Building lextrees\n");
    
    kb->sen_active = (int32 *) ckd_calloc (mdef_n_sen(mdef), sizeof(int32));
    kb->ssid_active = (int32 *) ckd_calloc (mdef_n_sseq(mdef), sizeof(int32));
    kb->comssid_active = (int32 *) ckd_calloc (dict2pid_n_comsseq(d2p), 
							sizeof(int32));
    /* Build active word list */
    wp = (wordprob_t *) ckd_calloc (dict_size(dict), sizeof(wordprob_t));
    n = lm_ug_wordprob (lm, MAX_NEG_INT32, wp);
    if (n < 1)
	E_FATAL("%d active words\n", n);
    n = wid_wordprob2alt (dict, wp, n);	   /* Add alternative pronunciations */
    
    /* Retain or remove unigram probs from lextree, depending on option */
    if (cmd_ln_int32("-treeugprob") == 0) {
	for (i = 0; i < n; i++)
	    wp[i].prob = -1;    	/* Flatten all initial probabilities */
    }
    
    /* Build set of all possible left contexts */
    lc = (s3cipid_t *) ckd_calloc (mdef_n_ciphone(mdef) + 1, sizeof(s3cipid_t));
    lc_active = bitvec_alloc (mdef_n_ciphone (mdef));
    for (w = 0; w < dict_size (dict); w++) {
	ci = dict_pron (dict, w, dict_pronlen(dict, w) - 1);
	if (! mdef_is_fillerphone (mdef, (int)ci))
	    bitvec_set (lc_active, ci);
    }
    ci = mdef_silphone(mdef);
    bitvec_set (lc_active, ci);
    for (ci = 0, n_lc = 0; ci < mdef_n_ciphone(mdef); ci++) {
	if (bitvec_is_set (lc_active, ci))
	    lc[n_lc++] = ci;
    }
    lc[n_lc] = BAD_S3CIPID;
    
    /* Create the desired no. of unigram lextrees */
    kb->n_lextree = cmd_ln_int32 ("-Nlextree");
    if (kb->n_lextree < 1) {
	E_ERROR("No. of ugtrees specified: %d; will instantiate 1 ugtree\n", 
								kb->n_lextree);
	kb->n_lextree = 1;
    }
    kb->ugtree = (lextree_t **) ckd_calloc (kb->n_lextree, sizeof(lextree_t *));
    for (i = 0; i < kb->n_lextree; i++) {
	kb->ugtree[i] = lextree_build (kbcore, wp, n, lc);
	lextree_type (kb->ugtree[i]) = 0;
    }
    bitvec_free (lc_active);
    ckd_free ((void *) lc);
    
    /* Create filler lextrees */
    n = 0;
    for (i = dict_filler_start(dict); i <= dict_filler_end(dict); i++) {
	if (dict_filler_word(dict, i)) {
	    wp[n].wid = i;
	    wp[n].prob = fillpen (kbcore->fillpen, i);
	    n++;
	}
    }
    kb->fillertree = (lextree_t **)ckd_calloc(kb->n_lextree,sizeof(lextree_t*));
    for (i = 0; i < kb->n_lextree; i++) {
	kb->fillertree[i] = lextree_build (kbcore, wp, n, NULL);
	lextree_type (kb->fillertree[i]) = -1;
    }
    ckd_free ((void *) wp);
    
    E_INFO("Lextrees(%d), %d nodes(ug), %d nodes(filler)\n",
	   kb->n_lextree, lextree_n_node(kb->ugtree[0]), 
			lextree_n_node(kb->fillertree[0]));
    
    if (cmd_ln_int32("-lextreedump")) {
	for (i = 0; i < kb->n_lextree; i++) {
	    fprintf (stderr, "UGTREE %d\n", i);
	    lextree_dump (kb->ugtree[i], dict, stderr);
	}
	for (i = 0; i < kb->n_lextree; i++) {
	    fprintf (stderr, "FILLERTREE %d\n", i);
	    lextree_dump (kb->fillertree[i], dict, stderr);
	}
	fflush (stderr);
    }
    
    kb->ascr = ascr_init (mgau_n_mgau(kbcore_mgau(kbcore)), 
				kbcore->dict2pid->n_comstate);
    kb->beam = beam_init (cmd_ln_float64("-subvqbeam"),
			  cmd_ln_float64("-beam"),
			  cmd_ln_float64("-pbeam"),
			  cmd_ln_float64("-wbeam"));
    E_INFO("Beam= %d, PBeam= %d, WBeam= %d, SVQBeam= %d\n",
	   kb->beam->hmm, kb->beam->ptrans, kb->beam->word, kb->beam->subvq);
    
    if ((kb->feat = feat_array_alloc(kbcore_fcb(kbcore),S3_MAX_FRAMES)) == NULL)
	E_FATAL("feat_array_alloc() failed\n");
    
    kb->vithist = vithist_init(kbcore, kb->beam->word, cmd_ln_int32("-bghist"));
    
    ptmr_init (&(kb->tm_sen));
    ptmr_init (&(kb->tm_srch));
    kb->tot_fr = 0;
    kb->tot_sen_eval = 0.0;
    kb->tot_gau_eval = 0.0;
    kb->tot_hmm_eval = 0.0;
    kb->tot_wd_exit = 0.0;
    
    kb->hmm_hist_binsize = cmd_ln_int32("-hmmhistbinsize");
    n = ((kb->ugtree[0]->n_node) + (kb->fillertree[0]->n_node)) * kb->n_lextree;
    n /= kb->hmm_hist_binsize;
    kb->hmm_hist_bins = n+1;
    kb->hmm_hist = (int32 *) ckd_calloc (n+1, sizeof(int32));	/* Really no need for +1 */
    
    /* Open hypseg file if specified */
    str = cmd_ln_str("-hypseg");
    kb->matchsegfp = NULL;
    if (str) {
#ifdef WIN32
	if ((kb->matchsegfp = fopen(str, "wt")) == NULL)
#else
	if ((kb->matchsegfp = fopen(str, "w")) == NULL)
#endif
	    E_ERROR("fopen(%s,w) failed; use FWDXCT: from std logfile\n", str);
    }
}
示例#6
0
static void
set_focus(			/* set focus frame */
	char	*args
)
{
	double	hcent, vcent, hsiz, vsiz;
	VIEW	*dv, vwfocus;
	int	i, res[2];

	i = sscanf(args, "%lf %lf %lf %lf", &hcent, &vcent, &hsiz, &vsiz);
	if (i < 2 || hcent < 0 || hcent > 1 || vcent < 0 || vcent > 1) {
		beam_init(0);				/* restore view */
		for (i = 0; (dv = dev_auxview(i, res)) != NULL; i++)
			beam_view(dv, res[0], res[1]);
		beam_sync(0);				/* update server */
		return;
	}
	if (i < 4 || hsiz <= hcent || hsiz > 1 || vsiz <= vcent || vsiz > 1)
		hsiz = vsiz = FSIZDEF;			/* gave center only */
	else {
		hsiz -= hcent; hcent += 0.5*hsiz;	/* gave min and max */
		vsiz -= vcent; vcent += 0.5*vsiz;
	}
	beam_init(0);					/* add basic views */
	for (i = 0; (dv = dev_auxview(i, res)) != NULL; i++)
		beam_view(dv, res[0]>>4, res[1]>>4);
	vwfocus = odev.v;			/* add focus view */
	switch (odev.v.type) {
	case VT_PER:
		vwfocus.horiz = 2.*180./PI*atan(
				hsiz * tan(PI/180./2.*odev.v.horiz) );
		vwfocus.vert = 2.*180./PI*atan(
				vsiz * tan(PI/180./2.*odev.v.vert) );
		break;
	case VT_PAR:
	case VT_ANG:
		vwfocus.horiz = hsiz * odev.v.horiz;
		vwfocus.vert = vsiz * odev.v.vert;
		break;
	case VT_PLS:
		vwfocus.horiz = hsiz * sin((PI/180./2.)*odev.v.horiz) /
				(1.0 + cos((PI/180./2.)*odev.v.horiz));
		vwfocus.horiz *= vwfocus.horiz;
		vwfocus.horiz = (2.*180./PI)*acos((1. - vwfocus.horiz) /
						(1. + vwfocus.horiz));
		vwfocus.vert = vsiz * sin((PI/180./2.)*odev.v.vert) /
				(1.0 + cos((PI/180./2.)*odev.v.vert));
		vwfocus.vert *= vwfocus.vert;
		vwfocus.vert = (2.*180./PI)*acos((1. - vwfocus.vert) /
						(1. + vwfocus.vert));
		break;
	case VT_HEM:
		vwfocus.horiz = 2.*180./PI*asin(
				hsiz * sin(PI/180./2.*odev.v.horiz) );
		vwfocus.vert = 2.*180./PI*asin(
				vsiz * sin(PI/180./2.*odev.v.vert) );
		break;
	case VT_CYL:
		vwfocus.horiz = hsiz * odev.v.horiz;
		vwfocus.vert = 2.*180./PI*atan(
				vsiz * tan(PI/180./2.*odev.v.vert) );
		break;
	default:
		error(INTERNAL, "bad view type in set_focus");
	}
	vwfocus.hoff = (odev.v.hoff + hcent - 0.5)/hsiz;
	vwfocus.voff = (odev.v.voff + vcent - 0.5)/vsiz;
	setview(&vwfocus);
	beam_view(&vwfocus, (int)(3*odev.hres*hsiz)+100,
			(int)(3*odev.vres*vsiz)+100);
	beam_sync(0);					/* update server */
}