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;
}
cst_utterance *join_units_modified_lpc(cst_utterance *utt)
{
cst_wave *w = 0;
cst_lpcres *lpcres;
const char *resynth_type;
const cst_val *streaming_info_val;
resynth_type = get_param_string(utt->features, "resynth_type", "float");
f0_targets_to_pm(utt);
concat_units(utt);
lpcres = val_lpcres(utt_feat_val(utt, "target_lpcres"));
streaming_info_val = get_param_val(utt->features, "streaming_info", NULL);
if (streaming_info_val)
{
lpcres->asi = val_audio_streaming_info(streaming_info_val);
lpcres->asi->utt = utt;
}
if (cst_streq(resynth_type, "float"))
w = lpc_resynth(lpcres);
else if (cst_streq(resynth_type, "fixed"))
{
w = lpc_resynth_fixedpoint(lpcres);
}
else
{
cst_errmsg("unknown resynthesis type %s\n", resynth_type);
cst_error(); /* Should not happen */
}
if (w == NULL)
{
/* Synthesis Failed, probably because it was interrupted */
utt_set_feat_int(utt, "Interrupted", 1);
w = new_wave();
}
utt_set_wave(utt, w);
return utt;
}
