glist_t srch_FLAT_FWD_nbest_impl(void *srch, /**< A void pointer to a search structure */ dag_t * dag) { srch_t *s; srch_FLAT_FWD_graph_t *fwg; float32 bestpathlw; float64 lwf; char str[2000]; s = (srch_t *) srch; fwg = (srch_FLAT_FWD_graph_t *) s->grh->graph_struct; assert(fwg->lathist); if (!(cmd_ln_exists_r(kbcore_config(fwg->kbcore), "-nbestdir") && cmd_ln_str_r(kbcore_config(fwg->kbcore), "-nbestdir"))) return NULL; ctl_outfile(str, cmd_ln_str_r(kbcore_config(fwg->kbcore), "-nbestdir"), cmd_ln_str_r(kbcore_config(fwg->kbcore), "-nbestext"), (s->uttfile ? s->uttfile : s->uttid), s->uttid, cmd_ln_boolean_r(kbcore_config(fwg->kbcore), "-build_outdirs")); bestpathlw = cmd_ln_float32_r(kbcore_config(fwg->kbcore), "-bestpathlw"); lwf = bestpathlw ? (bestpathlw / cmd_ln_float32_r(kbcore_config(fwg->kbcore), "-lw")) : 1.0; flat_fwd_dag_add_fudge_edges(fwg, dag, cmd_ln_int32_r(kbcore_config(fwg->kbcore), "-dagfudge"), cmd_ln_int32_r(kbcore_config(fwg->kbcore), "-min_endfr"), (void *) fwg->lathist, s->kbc->dict); /* Bypass filler nodes */ if (!dag->filler_removed) { /* If Viterbi search terminated in filler word coerce final DAG node to FINISH_WORD */ if (dict_filler_word(s->kbc->dict, dag->end->wid)) dag->end->wid = s->kbc->dict->finishwid; dag_remove_unreachable(dag); if (dag_bypass_filler_nodes(dag, lwf, s->kbc->dict, s->kbc->fillpen) < 0) E_ERROR("maxedge limit (%d) exceeded\n", dag->maxedge); } dag_compute_hscr(dag, kbcore_dict(s->kbc), kbcore_lm(s->kbc), lwf); dag_remove_bypass_links(dag); dag->filler_removed = 0; nbest_search(dag, str, s->uttid, lwf, kbcore_dict(s->kbc), kbcore_lm(s->kbc), kbcore_fillpen(s->kbc) ); return NULL; }
/* Decode the given mfc file and write result to given directory */ static void utt_astar(void *data, utt_res_t * ur, int32 sf, int32 ef, char *uttid) { char dagfile[1024], nbestfile[1024]; const char *latdir; const char *latext; const char *nbestext; dag_t *dag; int32 nfrm; if (ur->lmname) lmset_set_curlm_wname(lmset, ur->lmname); latdir = cmd_ln_str_r(config, "-inlatdir"); latext = cmd_ln_str_r(config, "-latext"); nbestext = cmd_ln_str_r(config, "-nbestext"); if (latdir) { build_output_uttfile(dagfile, latdir, uttid, ur->uttfile); strcat(dagfile, "."); strcat(dagfile, latext); } else sprintf(dagfile, "%s.%s", uttid, latext); ptmr_reset(&tm_utt); ptmr_start(&tm_utt); nfrm = 0; if ((dag = dag_load(dagfile, cmd_ln_int32_r(config, "-maxedge"), cmd_ln_float32_r(config, "-logbase"), cmd_ln_int32_r(config, "-dagfudge"), dict, fpen, config, logmath)) != NULL) { if (dict_filler_word(dict, dag->end->wid)) dag->end->wid = dict->finishwid; dag_remove_unreachable(dag); if (dag_bypass_filler_nodes(dag, 1.0, dict, fpen) < 0) { E_ERROR("maxedge limit (%d) exceeded\n", dag->maxedge); goto search_done; } dag_compute_hscr(dag, dict, lmset->cur_lm, 1.0); dag_remove_bypass_links(dag); E_INFO("%5d frames, %6d nodes, %8d edges, %8d bypass\n", dag->nfrm, dag->nnode, dag->nlink, dag->nbypass); nfrm = dag->nfrm; build_output_uttfile(nbestfile, nbestdir, uttid, ur->uttfile); strcat(nbestfile, "."); strcat(nbestfile, nbestext); nbest_search(dag, nbestfile, uttid, 1.0, dict, lmset->cur_lm, fpen); lm_cache_stats_dump(lmset->cur_lm); lm_cache_reset(lmset->cur_lm); } else E_ERROR("Dag load (%s) failed\n", uttid); search_done: dag_destroy(dag); ptmr_stop(&tm_utt); printf("%s: TMR: %5d Frm", uttid, nfrm); if (nfrm > 0) { printf(" %6.2f xEl", tm_utt.t_elapsed * 100.0 / nfrm); printf(" %6.2f xCPU", tm_utt.t_cpu * 100.0 / nfrm); } printf("\n"); fflush(stdout); }