static const cst_val *segment_duration(const cst_item *seg)
{
const cst_item *s = item_as(seg,"Segment");
if (!s)
return VAL_STRING_0;
else if (item_prev(s) == NULL)
return item_feat(s,"end");
else
/* It should be okay to construct this as it will get
dereferenced when the CART interpreter frees its feature
cache. */
return float_val(item_feat_float(s,"end")
- item_feat_float(item_prev(s),"end"));
}
static cst_utterance *cg_make_params(cst_utterance *utt)
{
/* puts in the frame items */
/* historically called "mcep" but can actually be any random vectors */
cst_cg_db *cg_db;
cst_relation *mcep, *mcep_link;
cst_item *s, *mcep_parent, *mcep_frame;
int num_frames;
float start, end;
float dur_stretch, tok_stretch;
cg_db = val_cg_db(utt_feat_val(utt,"cg_db"));
mcep = utt_relation_create(utt,"mcep");
mcep_link = utt_relation_create(utt,"mcep_link");
end = 0.0;
num_frames = 0;
dur_stretch = get_param_float(utt->features,"duration_stretch", 1.0);
for (s = utt_rel_head(utt,"HMMstate"); s; s=item_next(s))
{
start = end;
tok_stretch = ffeature_float(s,"R:segstate.parent.R:SylStructure.parent.parent.R:Token.parent.local_duration_stretch");
if (tok_stretch == 0)
tok_stretch = 1.0;
end = start + (tok_stretch*dur_stretch*cg_state_duration(s,cg_db));
item_set_float(s,"end",end);
mcep_parent = relation_append(mcep_link, s);
for ( ; (num_frames * cg_db->frame_advance) <= end; num_frames++ )
{
mcep_frame = relation_append(mcep,NULL);
item_add_daughter(mcep_parent,mcep_frame);
item_set_int(mcep_frame,"frame_number",num_frames);
item_set(mcep_frame,"name",item_feat(mcep_parent,"name"));
}
}
/* Copy duration up onto Segment relation */
for (s = utt_rel_head(utt,"Segment"); s; s=item_next(s))
item_set(s,"end",ffeature(s,"R:segstate.daughtern.end"));
utt_set_feat_int(utt,"param_track_num_frames",num_frames);
return utt;
}
static const cst_val *word_break(const cst_item *word)
{
cst_item *ww,*pp;
const char *pname;
ww = item_as(word,"Phrase");
if ((ww == NULL) || (item_next(ww) != 0))
return VAL_STRING_1;
else
{
pp = item_parent(ww);
pname = val_string(item_feat(pp,"name"));
if (cst_streq("BB",pname))
return VAL_STRING_4;
else if (cst_streq("B",pname))
return VAL_STRING_3;
else
return VAL_STRING_1;
}
}
cst_utterance *default_lexical_insertion(cst_utterance *u)
{
cst_item *word;
cst_relation *sylstructure,*seg,*syl;
cst_lexicon *lex;
const cst_val *lex_addenda = NULL;
const cst_val *p, *wp = NULL;
char *phone_name;
char *stress = "0";
const char *pos;
cst_val *phones;
cst_item *ssword, *sssyl, *segitem, *sylitem, *seg_in_syl;
lex = val_lexicon(feat_val(u->features,"lexicon"));
if (lex->lex_addenda)
lex_addenda = lex->lex_addenda;
syl = utt_relation_create(u,"Syllable");
sylstructure = utt_relation_create(u,"SylStructure");
seg = utt_relation_create(u,"Segment");
for (word=relation_head(utt_relation(u,"Word"));
word; word=item_next(word))
{
ssword = relation_append(sylstructure,word);
pos = ffeature_string(word,"pos");
phones = NULL;
wp = NULL;
/* printf("awb_debug word %s pos %s gpos %s\n",
item_feat_string(word,"name"),
pos,
ffeature_string(word,"gpos")); */
/* FIXME: need to make sure that textanalysis won't split
tokens with explicit pronunciation (or that it will
propagate such to words, then we can remove the path here) */
if (item_feat_present(item_parent(item_as(word, "Token")), "phones"))
phones = (cst_val *) item_feat(item_parent(item_as(word, "Token")), "phones");
else
{
wp = val_assoc_string(item_feat_string(word, "name"),lex_addenda);
if (wp)
phones = (cst_val *)val_cdr(val_cdr(wp));
else
phones = lex_lookup(lex,item_feat_string(word,"name"),pos);
}
for (sssyl=NULL,sylitem=NULL,p=phones; p; p=val_cdr(p))
{
if (sylitem == NULL)
{
sylitem = relation_append(syl,NULL);
sssyl = item_add_daughter(ssword,sylitem);
stress = "0";
}
segitem = relation_append(seg,NULL);
phone_name = cst_strdup(val_string(val_car(p)));
if (phone_name[cst_strlen(phone_name)-1] == '1')
{
stress = "1";
phone_name[cst_strlen(phone_name)-1] = '\0';
}
else if (phone_name[cst_strlen(phone_name)-1] == '0')
{
stress = "0";
phone_name[cst_strlen(phone_name)-1] = '\0';
}
item_set_string(segitem,"name",phone_name);
seg_in_syl = item_add_daughter(sssyl,segitem);
#if 0
printf("awb_debug ph %s\n",phone_name);
#endif
if ((lex->syl_boundary)(seg_in_syl,val_cdr(p)))
{
#if 0
printf("awb_debug SYL\n");
#endif
sylitem = NULL;
if (sssyl)
item_set_string(sssyl,"stress",stress);
}
cst_free(phone_name);
}
if (!item_feat_present(item_parent(item_as(word, "Token")), "phones")
&& ! wp)
delete_val(phones);
}
return u;
}
cst_utterance *default_lexical_insertion(cst_utterance *u)
{
cst_item *word;
cst_relation *sylstructure,*seg,*syl;
cst_lexicon *lex, *ulex = NULL;
const cst_val *p;
char *phone_name;
char *stress = "0";
cst_val *phones;
cst_item *ssword, *sssyl, *segitem, *sylitem, *seg_in_syl;
lex = val_lexicon(feat_val(u->features,"lexicon"));
if (feat_present(u->features, "user_lexicon"))
ulex = val_lexicon(feat_val(u->features, "user_lexicon"));
syl = utt_relation_create(u,"Syllable");
sylstructure = utt_relation_create(u,"SylStructure");
seg = utt_relation_create(u,"Segment");
for (word=relation_head(utt_relation(u,"Word"));
word; word=item_next(word))
{
ssword = relation_append(sylstructure,word);
phones = NULL;
/* FIXME: need to make sure that textanalysis won't split
tokens with explicit pronunciation (or that it will
propagate such to words, then we can remove the path here) */
if (item_feat_present(item_parent(item_as(word, "Token")), "phones"))
phones = (cst_val *) item_feat(item_parent(item_as(word, "Token")), "phones");
else
{
if (ulex)
phones = lex_lookup(ulex,item_feat_string(word, "name"),0);
if (phones == NULL)
phones = lex_lookup(lex,item_feat_string(word,"name"),0);
}
for (sssyl=NULL,sylitem=NULL,p=phones; p; p=val_cdr(p))
{
if (sylitem == NULL)
{
sylitem = relation_append(syl,NULL);
sssyl = item_add_daughter(ssword,sylitem);
stress = "0";
}
segitem = relation_append(seg,NULL);
phone_name = cst_strdup(val_string(val_car(p)));
if (phone_name[strlen(phone_name)-1] == '1')
{
stress = "1";
phone_name[strlen(phone_name)-1] = '\0';
}
else if (phone_name[strlen(phone_name)-1] == '0')
{
stress = "0";
phone_name[strlen(phone_name)-1] = '\0';
}
item_set_string(segitem,"name",phone_name);
seg_in_syl = item_add_daughter(sssyl,segitem);
if ((lex->syl_boundary)(seg_in_syl,val_cdr(p)))
{
sylitem = NULL;
if (sssyl)
item_set_string(sssyl,"stress",stress);
}
cst_free(phone_name);
}
if (!item_feat_present(item_parent(item_as(word, "Token")), "phones"))
delete_val(phones);
}
return u;
}
