int32 align_init ( void )
{
int32 k;
s3wid_t w;
float64 *f64arg;
mdef = mdef_getmdef ();
tmat = tmat_gettmat ();
dict = dict_getdict ();
assert (mdef && tmat && dict);
startwid = dict_wordid (START_WORD);
finishwid = dict_wordid (FINISH_WORD);
silwid = dict_wordid (SILENCE_WORD);
if ((NOT_WID(startwid)) || (NOT_WID(finishwid)))
E_FATAL("%s or %s not in dictionary\n", START_WORD, FINISH_WORD);
if (NOT_WID(silwid))
E_ERROR("%s not in dictionary; no optional silence inserted between words\n",
SILENCE_WORD);
/* Create list of optional filler words to be inserted between transcript words */
fillwid = (s3wid_t *) ckd_calloc ((dict->filler_end - dict->filler_start + 3),
sizeof(s3wid_t));
k = 0;
if (IS_WID(silwid))
fillwid[k++] = silwid;
for (w = dict->filler_start; w <= dict->filler_end; w++) {
if ((dict_basewid (w) == w) &&
(w != silwid) && (w != startwid) && (w != finishwid))
fillwid[k++] = w;
}
fillwid[k] = BAD_WID;
f64arg = (float64 *) cmd_ln_access ("-beam");
beam = logs3 (*f64arg);
E_INFO ("logs3(beam)= %d\n", beam);
score_scale = (int32 *) ckd_calloc (S3_MAX_FRAMES, sizeof(int32));
hist_head = NULL;
align_stseg = NULL;
align_phseg = NULL;
align_wdseg = NULL;
ctr_nstate = counter_new ("NS");
return 0;
}
void lmcontext_load (corpus_t *corp, char *uttid, s3wid_t *pred, s3wid_t *succ)
{
char *str, wd[4096], *strp;
s3wid_t w[3];
int32 i, n;
dict_t *dict;
s3lmwid_t lwid;
if ((str = corpus_lookup (corp, uttid)) == NULL)
E_FATAL("Couldn't find LM context for %s\n", uttid);
dict = dict_getdict ();
strp = str;
for (i = 0; i < 4; i++) {
if (sscanf (strp, "%s%n", wd, &n) != 1) {
if (i < 3)
E_FATAL("Bad LM context spec for %s: %s\n", uttid, str);
else
break;
}
strp += n;
if (strcmp (wd, "-") == 0)
w[i] = BAD_WID;
else {
w[i] = dict_wordid (wd);
if (NOT_WID(w[i]))
E_FATAL("LM context word (%s) for %s not in dictionary\n", wd, uttid);
w[i] = dict_basewid(w[i]);
switch (i) {
case 0:
if ((n = dict->word[w[0]].n_comp) > 0)
w[0] = dict->word[w[0]].comp[n-1].wid;
break;
case 1:
if ((n = dict->word[w[1]].n_comp) > 0) {
w[0] = dict->word[w[1]].comp[n-2].wid;
w[1] = dict->word[w[1]].comp[n-1].wid;
}
break;
case 2:
if (w[2] != dict_wordid(FINISH_WORD))
E_FATAL("Illegal successor LM context for %s: %s\n", uttid, str);
break;
default:
assert (0); /* Should never get here */
break;
}
}
}
if (IS_WID(w[0]) && NOT_WID(w[1]))
E_FATAL("Bad LM context spec for %s: %s\n", uttid, str);
for (i = 0; i < 3; i++) {
if (IS_WID(w[i])) {
lwid = lm_lmwid (w[i]);
if (NOT_LMWID(lwid))
E_FATAL("LM context word (%s) for %s not in LM\n", wd, uttid);
}
}
pred[0] = w[0];
pred[1] = w[1];
*succ = w[2];
}
