static cst_utterance *cg_make_hmmstates(cst_utterance *utt)
{
/* Build HMM state structure below the segment structure */
cst_cg_db *cg_db;
cst_relation *hmmstate, *segstate;
cst_item *seg, *s, *ss;
const char *segname;
int sp,p;
cg_db = val_cg_db(utt_feat_val(utt,"cg_db"));
hmmstate = utt_relation_create(utt,"HMMstate");
segstate = utt_relation_create(utt,"segstate");
for (seg = utt_rel_head(utt,"Segment"); seg; seg=item_next(seg))
{
ss = relation_append(segstate,seg);
segname = item_feat_string(seg,"name");
for (p=0; cg_db->phone_states[p]; p++)
if (cst_streq(segname,cg_db->phone_states[p][0]))
break;
if (cg_db->phone_states[p] == NULL)
p = 0; /* unknown phoneme */
for (sp=1; cg_db->phone_states[p][sp]; sp++)
{
s = relation_append(hmmstate,NULL);
item_add_daughter(ss,s);
item_set_string(s,"name",cg_db->phone_states[p][sp]);
item_set_int(s,"statepos",sp);
}
}
return utt;
}
/* Dummy F0 modelling for phones, copied directly from us_f0_model.c */
cst_utterance *flat_prosody(cst_utterance *u)
{
/* F0 target model */
cst_item *s,*t;
cst_relation *targ_rel;
float mean, stddev;
targ_rel = utt_relation_create(u,"Target");
mean = get_param_float(u->features,"target_f0_mean", 100.0);
mean *= get_param_float(u->features,"f0_shift", 1.0);
stddev = get_param_float(u->features,"target_f0_stddev", 12.0);
s=relation_head(utt_relation(u,"Segment"));
t = relation_append(targ_rel,NULL);
item_set_float(t,"pos",0.0);
item_set_float(t,"f0",mean+stddev);
s=relation_tail(utt_relation(u,"Segment"));
t = relation_append(targ_rel,NULL);
item_set_float(t,"pos",item_feat_float(s,"end"));
item_set_float(t,"f0",mean-stddev);
return u;
}
static int WordSylSeg(cst_utterance *u)
{
cst_item *word;
cst_relation *sylstructure,*seg,*syl;
cst_val *phones;
const cst_val *p;
cst_item *ssword,*segitem;
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))
{
printf("word: %s\n",item_feat_string(word,"name"));
ssword = relation_append(sylstructure,word);
phones = lex_lookup((cst_lexicon *)&cmu_lex,item_feat_string(word,"name"),0);
for (p=phones; p; p=val_cdr(p))
{
segitem = relation_append(seg,NULL);
item_set(segitem,"name",val_car(p));
printf("seg: %s\n",item_feat_string(segitem,"name"));
item_add_daughter(ssword,segitem);
}
delete_val_list(phones);
}
return TRUE;
}
static void add_raw_data(cst_utterance *u, const char *raw_data,
cst_features *attributes)
{
/* Add all tokens in raw _data to u */
cst_tokenstream *ts;
cst_relation *r;
cst_item *t;
const char *token;
r = utt_relation_create(u,"Token");
ts =
ts_open_string(raw_data,
get_param_string(u->features,"text_whitespace",NULL),
get_param_string(u->features,"text_singlecharsymbols",NULL),
get_param_string(u->features,"text_prepunctuation",NULL),
get_param_string(u->features,"text_pospunctuation",NULL));
while (!(ts_eof(ts)))
{
t = relation_append(r,NULL);
feat_copy_into(item_feats(t),attributes);
token = ts_get(ts);
if (cst_strlen(token) > 0)
{
t = relation_append(r,NULL);
item_set_string(t,"name",token);
item_set_string(t,"whitespace",ts->whitespace);
item_set_string(t,"prepunctuation",ts->prepunctuation);
item_set_string(t,"punc",ts->postpunctuation);
}
}
}
int main(int argc, char **argv)
{
cst_utterance *u;
cst_relation *r;
cst_item *item=0;
int i;
u = new_utterance();
r = utt_relation_create(u,"Segment");
for (i=0; i<10; i++)
{
char buff[20];
sprintf(buff,"seg_%03d",i);
if (i==0)
item = relation_append(r,NULL);
else
item = item_append(item,NULL);
item_set_string(item,"name",buff);
item_set_float(item,"duration",i*0.20);
}
for (i=0,item=relation_head(utt_relation(u,"Segment"));
item; item=item_next(item),i++)
{
printf("Segment %d %s %f\n",
i,
item_feat_string(item,"name"),
item_feat_float(item,"duration"));
}
delete_utterance(u);
return 0;
}
cst_utterance *default_tokenization(cst_utterance *u)
{
const char *text,*token;
cst_tokenstream *fd;
cst_item *t;
cst_relation *r;
text = utt_input_text(u);
r = utt_relation_create(u,"Token");
fd = ts_open_string(text,
get_param_string(u->features,"text_whitespace",NULL),
get_param_string(u->features,"text_singlecharsymbols",NULL),
get_param_string(u->features,"text_prepunctuation",NULL),
get_param_string(u->features,"text_postpunctuation",NULL));
while(!ts_eof(fd))
{
token = ts_get(fd);
if (cst_strlen(token) > 0)
{
t = relation_append(r,NULL);
item_set_string(t,"name",token);
item_set_string(t,"whitespace",fd->whitespace);
item_set_string(t,"prepunctuation",fd->prepunctuation);
item_set_string(t,"punc",fd->postpunctuation);
item_set_int(t,"file_pos",fd->file_pos);
item_set_int(t,"line_number",fd->line_number);
}
}
ts_close(fd);
return u;
}
cst_utterance *default_phrasing(cst_utterance *u)
{
cst_relation *r;
cst_item *w, *p, *lp=NULL;
const cst_val *v;
cst_cart *phrasing_cart;
r = utt_relation_create(u,"Phrase");
phrasing_cart = val_cart(feat_val(u->features,"phrasing_cart"));
for (p=NULL,w=relation_head(utt_relation(u,"Word")); w; w=item_next(w))
{
if (p == NULL)
{
p = relation_append(r,NULL);
lp = p;
#ifdef FLITE_PLUS_HTS_ENGINE
item_set_string(p,"name","BB");
#else
item_set_string(p,"name","B");
#endif /* FLITE_PLUS_HTS_ENGINE */
}
item_add_daughter(p,w);
v = cart_interpret(w,phrasing_cart);
if (cst_streq(val_string(v),"BB"))
p = NULL;
}
if (lp && item_prev(lp)) /* follow festival */
item_set_string(lp,"name","BB");
return u;
}
cst_utterance *default_phrasing(cst_utterance *u)
{
cst_relation *r;
cst_item *w, *p;
const cst_val *v;
cst_cart *phrasing_cart;
r = utt_relation_create(u,"Phrase");
phrasing_cart = val_cart(feat_val(u->features,"phrasing_cart"));
for (p=NULL,w=relation_head(utt_relation(u,"Word")); w; w=item_next(w))
{
if (p == NULL)
{
p = relation_append(r,NULL);
item_set_string(p,"name","BB");
}
item_add_daughter(p,w);
v = cart_interpret(w,phrasing_cart);
if (cst_streq(val_string(v),"BB"))
p = NULL;
}
return u;
}
static int bbb_relation_load(cst_relation *r,const char *filename)
{
const char *token;
cst_item *item;
cst_tokenstream *fd;
fd = ts_open(filename);
if (fd == 0)
return 0;
while (!ts_eof(fd))
{
token = ts_get(fd);
if (cst_streq(token,""))
continue;
item = relation_append(r,NULL);
item_set_string(item,"name",token);
item_set_string(item,"whitespace",fd->whitespace);
item_set_string(item,"prepunctuation",fd->prepunctuation);
item_set_string(item,"punc",fd->postpunctuation);
item_set_int(item,"file_pos",fd->file_pos);
item_set_int(item,"line_number",fd->line_number);
}
ts_close(fd);
return 1;
}
cst_utterance *default_pause_insertion(cst_utterance *u)
{
/* Add initial silences and silence at each phrase break */
const char *silence;
const cst_item *w;
cst_item *p, *s;
silence = val_string(feat_val(u->features,"silence"));
/* Insert initial silence */
s = relation_head(utt_relation(u,"Segment"));
if (s == NULL)
s = relation_append(utt_relation(u,"Segment"),NULL);
else
s = item_prepend(s,NULL);
item_set_string(s,"name",silence);
for (p=relation_head(utt_relation(u,"Phrase")); p; p=item_next(p))
{
for (w = item_last_daughter(p); w; w=item_prev(w))
{
s = path_to_item(w,"R:SylStructure.daughtern.daughtern.R:Segment");
if (s)
{
s = item_append(s,NULL);
item_set_string(s,"name",silence);
break;
}
}
}
return u;
}
void test_hrg(void)
{
cst_utterance *u;
cst_relation *r;
cst_item *item = 0;
int i;
u = new_utterance();
r = utt_relation_create(u, "Segment");
for (i = 0; i < 10; i++)
{
char buff[20];
sprintf(buff, "seg_%03d", i);
if (i == 0)
item = relation_append(r, NULL);
else
item = item_append(item, NULL);
item_set_string(item, "name", buff);
item_set_float(item, "duration", i * 0.20);
}
for (i = 0, item = relation_head(utt_relation(u, "Segment"));
item; item = item_next(item), i++)
{
TEST_CHECK(item_feat_float(item, "duration") == correct_list[i]);
}
delete_utterance(u);
}
int relation_load(cst_relation *r, const char *filename)
{
cst_tokenstream *fd;
cst_item *item;
const char *token=0;
if ((fd = ts_open(filename,NULL,";","","")) == 0)
{
cst_errmsg("relation_load: can't open file \"%s\" for reading\n",
filename);
return CST_ERROR_FORMAT;
}
for ( ; !ts_eof(fd); )
{
token = ts_get(fd);
if (cst_streq("#",token))
break;
}
#import "OpenEarsStaticAnalysisToggle.h"
#ifdef STATICANALYZEDEPENDENCIES
#define __clang_analyzer__ 1
#endif
#if !defined(__clang_analyzer__) || defined(STATICANALYZEDEPENDENCIES)
#undef __clang_analyzer__
if (!cst_streq("#",token))
#endif
{
cst_errmsg("relation_load: no end of header marker in \"%s\"\n",
filename);
ts_close(fd);
return CST_ERROR_FORMAT;
}
while (!ts_eof(fd))
{
token = ts_get(fd);
if (cst_streq(token,""))
continue;
item = relation_append(r,NULL);
item_set_float(item,"end",(float)cst_atof(token));
#import "OpenEarsStaticAnalysisToggle.h"
#ifdef STATICANALYZEDEPENDENCIES
#define __clang_analyzer__ 1
#endif
#if !defined(__clang_analyzer__) || defined(STATICANALYZEDEPENDENCIES)
#undef __clang_analyzer__
token = ts_get(fd);
#endif
token = ts_get(fd);
item_set_string(item,"name",token);
}
ts_close(fd);
return CST_OK_FORMAT;
}
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;
}
int relation_load(cst_relation *r, const char *filename)
{
cst_tokenstream *fd;
cst_item *item;
const char *token=0;
if ((fd = ts_open(filename,NULL,";","","")) == 0)
{
cst_errmsg("relation_load: can't open file \"%s\" for reading\n",
filename);
return CST_ERROR_FORMAT;
}
for ( ; !ts_eof(fd); )
{
token = ts_get(fd);
if (cst_streq("#",token))
break;
}
if (!cst_streq("#",token))
{
cst_errmsg("relation_load: no end of header marker in \"%s\"\n",
filename);
ts_close(fd);
return CST_ERROR_FORMAT;
}
while (!ts_eof(fd))
{
token = ts_get(fd);
if (cst_streq(token,""))
continue;
item = relation_append(r,NULL);
item_set_float(item,"end",(float)cst_atof(token));
token = ts_get(fd);
token = ts_get(fd);
item_set_string(item,"name",token);
}
ts_close(fd);
return CST_OK_FORMAT;
}
cst_utterance *default_textanalysis(cst_utterance *u)
{
cst_item *t,*word;
cst_relation *word_rel;
cst_val *words;
const cst_val *w;
const cst_val *ttwv;
word_rel = utt_relation_create(u,"Word");
ttwv = feat_val(u->features, "tokentowords_func");
for (t=relation_head(utt_relation(u,"Token")); t; t=item_next(t))
{
if (ttwv)
words = (cst_val *)(*val_itemfunc(ttwv))(t);
else
words = default_tokentowords(t);
for (w=words; w; w=val_cdr(w))
{
word = item_add_daughter(t,NULL);
if (cst_val_consp(val_car(w)))
{ /* Has extra features */
item_set_string(word,"name",val_string(val_car(val_car(w))));
feat_copy_into(val_features(val_cdr(val_car(w))),
item_feats(word));
}
else
item_set_string(word,"name",val_string(val_car(w)));
relation_append(word_rel,word);
}
delete_val(words);
}
return u;
}
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;
}
float flite_file_to_speech(const char *filename,
cst_voice *voice,
const char *outtype)
{
cst_utterance *utt;
cst_tokenstream *ts;
const char *token;
cst_item *t;
cst_relation *tokrel;
float durs = 0;
int num_tokens;
cst_wave *w;
cst_breakfunc breakfunc = default_utt_break;
cst_uttfunc utt_user_callback = 0;
int fp;
if ((ts = ts_open(filename,
get_param_string(voice->features,"text_whitespace",NULL),
get_param_string(voice->features,"text_singlecharsymbols",NULL),
get_param_string(voice->features,"text_prepunctuation",NULL),
get_param_string(voice->features,"text_postpunctuation",NULL)))
== NULL)
{
cst_errmsg("failed to open file \"%s\" for reading\n",
filename);
return 1;
}
fp = get_param_int(voice->features,"file_start_position",0);
if (fp > 0)
ts_set_stream_pos(ts,fp);
if (feat_present(voice->features,"utt_break"))
breakfunc = val_breakfunc(feat_val(voice->features,"utt_break"));
if (feat_present(voice->features,"utt_user_callback"))
utt_user_callback = val_uttfunc(feat_val(voice->features,"utt_user_callback"));
/* If its a file to write to, create and save an empty wave file */
/* as we are going to incrementally append to it */
if (!cst_streq(outtype,"play") &&
!cst_streq(outtype,"none") &&
!cst_streq(outtype,"stream"))
{
w = new_wave();
cst_wave_resize(w,0,1);
cst_wave_set_sample_rate(w,16000);
cst_wave_save_riff(w,outtype); /* an empty wave */
delete_wave(w);
}
num_tokens = 0;
utt = new_utterance();
tokrel = utt_relation_create(utt, "Token");
while (!ts_eof(ts) || num_tokens > 0)
{
token = ts_get(ts);
if ((cst_strlen(token) == 0) ||
(num_tokens > 500) || /* need an upper bound */
(relation_head(tokrel) &&
breakfunc(ts,token,tokrel)))
{
/* An end of utt, so synthesize it */
if (utt_user_callback)
utt = (utt_user_callback)(utt);
if (utt)
{
utt = flite_do_synth(utt,voice,utt_synth_tokens);
durs += flite_process_output(utt,outtype,TRUE);
delete_utterance(utt); utt = NULL;
}
else
break;
if (ts_eof(ts)) break;
utt = new_utterance();
tokrel = utt_relation_create(utt, "Token");
num_tokens = 0;
}
num_tokens++;
t = relation_append(tokrel, NULL);
item_set_string(t,"name",token);
item_set_string(t,"whitespace",ts->whitespace);
item_set_string(t,"prepunctuation",ts->prepunctuation);
item_set_string(t,"punc",ts->postpunctuation);
/* Mark it at the beginning of the token */
item_set_int(t,"file_pos",
ts->file_pos-(1+ /* as we are already on the next char */
cst_strlen(token)+
cst_strlen(ts->prepunctuation)+
cst_strlen(ts->postpunctuation)));
item_set_int(t,"line_number",ts->line_number);
}
delete_utterance(utt);
ts_close(ts);
return durs;
}
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;
}
static float flite_ssml_to_speech_ts(cst_tokenstream *ts,
cst_voice *voice,
const char *outtype)
{
cst_features *ssml_feats, *ssml_word_feats;
cst_features *attributes;
const char *token;
char *tag;
cst_utterance *utt;
cst_relation *tokrel;
int num_tokens;
cst_breakfunc breakfunc = default_utt_break;
cst_uttfunc utt_user_callback = 0;
float durs = 0.0;
cst_item *t;
ssml_feats = new_features();
ssml_word_feats = new_features();
set_charclasses(ts,
" \t\n\r",
ssml_singlecharsymbols_general,
get_param_string(voice->features,"text_prepunctuation",""),
get_param_string(voice->features,"text_postpunctuation","")
);
if (feat_present(voice->features,"utt_break"))
breakfunc = val_breakfunc(feat_val(voice->features,"utt_break"));
if (feat_present(voice->features,"utt_user_callback"))
utt_user_callback = val_uttfunc(feat_val(voice->features,"utt_user_callback"));
num_tokens = 0;
utt = new_utterance();
tokrel = utt_relation_create(utt, "Token");
while (!ts_eof(ts) || num_tokens > 0)
{
token = ts_get(ts);
if (cst_streq("<",token))
{ /* A tag */
tag = cst_upcase(ts_get(ts));
if (cst_streq("/",tag)) /* an end tag */
{
tag = cst_upcase(ts_get(ts));
attributes = ssml_get_attributes(ts);
feat_set_string(attributes,"_type","end");
}
else
attributes = ssml_get_attributes(ts);
utt = ssml_apply_tag(tag,attributes,utt,ssml_word_feats);
cst_free(tag);
}
else if (cst_streq("&",token))
{ /* an escape sequence */
/* skip to ; and insert value in rawdata */
}
else
{
if ((cst_strlen(token) == 0) ||
(num_tokens > 500) || /* need an upper bound */
(relation_head(tokrel) &&
breakfunc(ts,token,tokrel)))
{
/* An end of utt, so synthesize it */
if (utt_user_callback)
utt = (utt_user_callback)(utt);
if (utt)
{
utt = flite_do_synth(utt,voice,utt_synth_tokens);
durs += flite_process_output(utt,outtype,TRUE);
delete_utterance(utt); utt = NULL;
}
else
break;
if (ts_eof(ts)) break;
utt = new_utterance();
tokrel = utt_relation_create(utt, "Token");
num_tokens = 0;
}
num_tokens++;
t = relation_append(tokrel, NULL);
item_set_string(t,"name",token);
item_set_string(t,"whitespace",ts->whitespace);
item_set_string(t,"prepunctuation",ts->prepunctuation);
item_set_string(t,"punc",ts->postpunctuation);
/* Mark it at the beginning of the token */
item_set_int(t,"file_pos",
ts->file_pos-(1+ /* as we are already on the next char */
cst_strlen(token)+
cst_strlen(ts->prepunctuation)+
cst_strlen(ts->postpunctuation)));
item_set_int(t,"line_number",ts->line_number);
}
}
delete_utterance(utt);
return durs;
}
float flite_file_to_speech(const char *filename,
cst_voice *voice,
const char *outtype)
{
cst_utterance *utt;
cst_tokenstream *ts;
const char *token;
cst_item *t;
cst_relation *tokrel;
float d, durs = 0;
int num_tokens;
cst_breakfunc breakfunc = default_utt_break;
if ((ts = ts_open(filename,
get_param_string(voice->features,"text_whitespace",NULL),
get_param_string(voice->features,"text_singlecharsymbols",NULL),
get_param_string(voice->features,"text_prepunctuation",NULL),
get_param_string(voice->features,"text_postpunctuation",NULL)))
== NULL)
{
cst_errmsg("failed to open file \"%s\" for reading\n",
filename);
return 1;
}
if (feat_present(voice->features,"utt_break"))
breakfunc = val_breakfunc(feat_val(voice->features,"utt_break"));
/* If its a file to write to delete it as we're going to */
/* incrementally append to it */
if (!cst_streq(outtype,"play") && !cst_streq(outtype,"none"))
{
cst_wave *w;
w = new_wave();
cst_wave_resize(w,0,1);
cst_wave_set_sample_rate(w,16000);
cst_wave_save_riff(w,outtype); /* an empty wave */
delete_wave(w);
}
num_tokens = 0;
utt = new_utterance();
tokrel = utt_relation_create(utt, "Token");
while (!ts_eof(ts) || num_tokens > 0)
{
token = ts_get(ts);
if ((strlen(token) == 0) ||
(num_tokens > 500) || /* need an upper bound */
(relation_head(tokrel) &&
breakfunc(ts,token,tokrel)))
{
/* An end of utt */
d = flite_tokens_to_speech(utt,voice,outtype);
utt = NULL;
if (d < 0)
goto out;
durs += d;
if (ts_eof(ts))
goto out;
utt = new_utterance();
tokrel = utt_relation_create(utt, "Token");
num_tokens = 0;
}
num_tokens++;
t = relation_append(tokrel, NULL);
item_set_string(t,"name",token);
item_set_string(t,"whitespace",ts->whitespace);
item_set_string(t,"prepunctuation",ts->prepunctuation);
item_set_string(t,"punc",ts->postpunctuation);
item_set_int(t,"file_pos",ts->file_pos);
item_set_int(t,"line_number",ts->line_number);
}
out:
delete_utterance(utt);
ts_close(ts);
return durs;
}
static cst_utterance *tokentosegs(cst_utterance *u)
{
cst_item *t;
cst_relation *seg, *syl, *sylstructure, *word;
cst_item *sylitem, *sylstructureitem, *worditem, *sssyl;
cst_phoneset *ps;
ps = val_phoneset(utt_feat_val(u, "phoneset"));
/* Just copy tokens into the Segment relation */
seg = utt_relation_create(u, "Segment");
syl = utt_relation_create(u, "Syllable");
word = utt_relation_create(u, "Word");
sylstructure = utt_relation_create(u, "SylStructure");
sssyl = sylitem = worditem = sylstructureitem = 0;
for (t = relation_head(utt_relation(u, "Token")); t; t = item_next(t))
{
cst_item *segitem = relation_append(seg, NULL);
char const *pname = item_feat_string(t, "name");
char *name = cst_strdup(pname);
if (worditem == 0)
{
worditem = relation_append(word,NULL);
item_set_string(worditem, "name", "phonestring");
sylstructureitem = relation_append(sylstructure,worditem);
}
if (sylitem == 0)
{
sylitem = relation_append(syl,NULL);
sssyl = item_add_daughter(sylstructureitem,sylitem);
}
if (name[cst_strlen(name)-1] == '1')
{
item_set_string(sssyl,"stress","1");
name[cst_strlen(name)-1] = '\0';
}
else if (name[cst_strlen(name)-1] == '0')
{
item_set_string(sssyl,"stress","0");
name[cst_strlen(name)-1] = '\0';
}
if (cst_streq(name,"-"))
{
sylitem = 0; /* syllable break */
}
else if (phone_id(ps, name) == -1)
{
cst_errmsg("Phone `%s' not in phoneset\n", pname);
cst_error();
}
else
{
item_add_daughter(sssyl,segitem);
item_set_string(segitem, "name", name);
}
cst_free(name);
}
return u;
}
cst_utterance *russian_lexical_insertion(cst_utterance *u)
{
cst_item *word;
cst_relation *sylstructure,*seg,*syl,*sylvowel,*transcription;
const cst_val *p;
const char *phone_name;
cst_val *phones;
cst_item *ssword, *sssyl, *segitem, *sylitem, *seg_in_syl, *svsyl, *vowel_in_syl, *tword, *seg_in_word;
cst_item *i,*tmp;
int num_segs;
int total_num_segs=0;
syl = utt_relation_create(u,"Syllable");
sylstructure = utt_relation_create(u,"SylStructure");
seg = utt_relation_create(u,"Segment");
sylvowel = utt_relation_create(u,"SylVowel");
transcription = utt_relation_create(u,"Transcription");
for (word=relation_head(utt_relation(u,"Word"));word;word=item_next(word))
{
phones=word_to_phones(word);
if(!phones)
continue;
num_segs=val_length(phones);
if((total_num_segs+num_segs)>max_num_segs)
{
delete_val(phones);
break;
}
ssword = relation_append(sylstructure,word);
tword = relation_append(transcription,word);
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);
}
segitem = relation_append(seg,NULL);
phone_name = val_string(val_car(p));
item_set_string(segitem,"name",phone_name);
seg_in_syl = item_add_daughter(sssyl,segitem);
seg_in_word = item_add_daughter(tword,segitem);
if(is_vowel(phone_name))
{
svsyl=relation_append(sylvowel,sylitem);
vowel_in_syl=item_add_daughter(svsyl,segitem);
}
if (ru_syl_boundary(seg_in_syl,val_cdr(p)))
{
sylitem = NULL;
if (sssyl)
item_set_string(sssyl,"stress","0");
}
}
assign_stress(word);
delete_val(phones);
total_num_segs+=num_segs;
}
i=relation_head(utt_relation(u,"Word"));
while(i)
{
tmp=item_next(i);
if(item_as(i,"Transcription")==NULL)
{
delete_item(item_as(i,"Token"));
delete_item(item_as(i,"Phrase"));
delete_item(i);
}
i=tmp;
}
i=relation_head(utt_relation(u,"Phrase"));
while(i)
{
tmp=item_next(i);
if(item_daughter(i)==NULL)
delete_item(i);
i=tmp;
}
return u;
}