acmod_t * acmod_copy(acmod_t *other) { acmod_t *acmod; acmod = ckd_calloc(1, sizeof(*acmod)); acmod->refcount = 1; acmod->config = cmd_ln_retain(other->config); acmod->lmath = logmath_retain(other->lmath); acmod->mdef = bin_mdef_retain(other->mdef); acmod->tmat = tmat_retain(other->tmat); acmod->mgau = ps_mgau_copy(other->mgau); acmod->fb = featbuf_retain(other->fb); acmod->fcb = other->fcb; /* Implicitly retained with fb, I think */ /* Senone computation stuff. */ acmod->senone_scores = ckd_calloc(bin_mdef_n_sen(acmod->mdef), sizeof(*acmod->senone_scores)); acmod->senone_active_vec = bitvec_alloc(bin_mdef_n_sen(acmod->mdef)); acmod->senone_active = ckd_calloc(bin_mdef_n_sen(acmod->mdef), sizeof(*acmod->senone_active)); acmod->log_zero = logmath_get_zero(acmod->lmath); acmod->compallsen = cmd_ln_boolean_r(acmod->config, "-compallsen"); acmod->feat_buf = feat_array_alloc(acmod->fcb, 1); return acmod; }
acmod_t * acmod_init(cmd_ln_t *config, logmath_t *lmath, featbuf_t *fb) { acmod_t *acmod; acmod = ckd_calloc(1, sizeof(*acmod)); acmod->refcount = 1; acmod->config = cmd_ln_retain(config); acmod->lmath = logmath_retain(lmath); acmod->fb = featbuf_retain(fb); acmod->fcb = featbuf_get_fcb(acmod->fb); /* Load acoustic model parameters. */ if (acmod_init_am(acmod) < 0) goto error_out; /* Senone computation stuff. */ acmod->senone_scores = ckd_calloc(bin_mdef_n_sen(acmod->mdef), sizeof(*acmod->senone_scores)); acmod->senone_active_vec = bitvec_alloc(bin_mdef_n_sen(acmod->mdef)); acmod->senone_active = ckd_calloc(bin_mdef_n_sen(acmod->mdef), sizeof(*acmod->senone_active)); acmod->log_zero = logmath_get_zero(acmod->lmath); acmod->compallsen = cmd_ln_boolean_r(config, "-compallsen"); acmod->feat_buf = feat_array_alloc(acmod->fcb, 1); return acmod; error_out: acmod_free(acmod); return NULL; }
fsg_model_t* ofxSphinxASR::get_fsg(jsgf_t *grammar, const char *name) { jsgf_rule_iter_t *itor; logmath_t *lmath = logmath_init(1.0001, 0, 0); fsg_model_t *fsg = NULL; for (itor = jsgf_rule_iter(grammar); itor; itor = jsgf_rule_iter_next(itor)) { jsgf_rule_t *rule = jsgf_rule_iter_rule(itor); char const *rule_name = jsgf_rule_name(rule); if ((name == NULL && jsgf_rule_public(rule)) || (name && strlen(rule_name)-2 == strlen(name) && 0 == strncmp(rule_name + 1, name, strlen(rule_name) - 2))) { fsg = jsgf_build_fsg_raw(grammar, rule, logmath_retain(lmath), 1.0); jsgf_rule_iter_free(itor); break; } } logmath_free(lmath); return fsg; }
s2_semi_mgau_t * s2_semi_mgau_init(cmd_ln_t *config, logmath_t *lmath, feat_t *fcb, mdef_t *mdef) { s2_semi_mgau_t *s; char const *sendump_path; float32 **fgau; int i; s = ckd_calloc(1, sizeof(*s)); s->config = config; s->lmath = logmath_retain(lmath); /* Log-add table. */ s->lmath_8b = logmath_init(logmath_get_base(lmath), SENSCR_SHIFT, TRUE); if (s->lmath_8b == NULL) { s2_semi_mgau_free(s); return NULL; } /* Ensure that it is only 8 bits wide so that fast_logmath_add() works. */ if (logmath_get_width(s->lmath_8b) != 1) { E_ERROR("Log base %f is too small to represent add table in 8 bits\n", logmath_get_base(s->lmath_8b)); s2_semi_mgau_free(s); return NULL; } /* Inherit stream dimensions from acmod, will be checked below. */ s->n_feat = feat_dimension1(fcb); s->veclen = ckd_calloc(s->n_feat, sizeof(int32)); for (i = 0; i < s->n_feat; ++i) s->veclen[i] = feat_dimension2(fcb, i); /* Read means and variances. */ if (s3_read_mgau(s, cmd_ln_str_r(s->config, "-mean"), &fgau) < 0) { s2_semi_mgau_free(s); return NULL; } s->means = (mfcc_t **)fgau; if (s3_read_mgau(s, cmd_ln_str_r(s->config, "-var"), &fgau) < 0) { s2_semi_mgau_free(s); return NULL; } s->vars = (mfcc_t **)fgau; /* Precompute (and fixed-point-ize) means, variances, and determinants. */ s->dets = (mfcc_t **)ckd_calloc_2d(s->n_feat, s->n_density, sizeof(**s->dets)); s3_precomp(s, s->lmath, cmd_ln_float32_r(s->config, "-varfloor")); /* Read mixture weights */ if ((sendump_path = cmd_ln_str_r(s->config, "-sendump"))) read_sendump(s, mdef, sendump_path); else read_mixw(s, cmd_ln_str_r(s->config, "-mixw"), cmd_ln_float32_r(s->config, "-mixwfloor")); s->ds_ratio = cmd_ln_int32_r(s->config, "-ds"); /* Determine top-N for each feature */ s->topn_beam = ckd_calloc(s->n_feat, sizeof(*s->topn_beam)); s->max_topn = cmd_ln_int32_r(s->config, "-topn"); split_topn(cmd_ln_str_r(s->config, "-topn_beam"), s->topn_beam, s->n_feat); E_INFO("Maximum top-N: %d ", s->max_topn); E_INFOCONT("Top-N beams:"); for (i = 0; i < s->n_feat; ++i) { E_INFOCONT(" %d", s->topn_beam[i]); } E_INFOCONT("\n"); /* Top-N scores from recent frames */ s->n_topn_hist = cmd_ln_int32_r(s->config, "-pl_window") + 2; s->topn_hist = (vqFeature_t ***) ckd_calloc_3d(s->n_topn_hist, s->n_feat, s->max_topn, sizeof(***s->topn_hist)); s->topn_hist_n = ckd_calloc_2d(s->n_topn_hist, s->n_feat, sizeof(**s->topn_hist_n)); for (i = 0; i < s->n_topn_hist; ++i) { int j; for (j = 0; j < s->n_feat; ++j) { int k; for (k = 0; k < s->max_topn; ++k) { s->topn_hist[i][j][k].score = WORST_DIST; s->topn_hist[i][j][k].codeword = k; } } } return s; }