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standard_feature_functions.cc
/************************************************************************/
/* */
/* Centre for Speech Technology Research */
/* University of Edinburgh, UK */
/* Copyright (c) 1996,1997 */
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/*************************************************************************/
/* */
/* Author: Richard Caley (rjc@cstr.ed.ac.uk) */
/* Originally: Paul Taylor (pault@cstr,ed,ac,uk) */
/* -------------------------------------------------------------------- */
/* Some generally useful feature functions. */
/* */
/* Mostly not very general and way too specific, these shouldn't be here */
/* */
/*************************************************************************/
#include "ling_class/EST_Item.h"
#include "ling_class/EST_Relation.h"
#include "ling_class/EST_Item_Content.h"
#include "ling_class/EST_item_aux.h"
EST_Val ff_duration(EST_Item *s)
{
if (iprev(s))
return s->F("end")-iprev(s)->F("end");
else
return s->F("end");
}
EST_Val ff_start(EST_Item *s)
{
/* Changed by awb 12/07/05, to make this actually a generic function */
/* no longer changes relation view to Segment -- may affect tilt and */
/* other pault things */
return (iprev(s) == 0) ? 0.0 : iprev(s)->F("end");
}
EST_Val ff_tilt_phrase_position(EST_Item *s)
{
EST_String rel_name = s->S("time_path");
EST_Item *t, *a;
if ((t = s->as_relation(rel_name)) == 0)
{
cerr << "item: " << *s << endl;
EST_error("No relation %s for item\n", (const char *) rel_name);
}
a = parent(t);
cout << "us features phrase pos\n";
//cout << "dereferencing syllable: " << *a << endl;
cout << "start: " << a->F("start") << endl;
cout << "end: " << a->F("end") << endl;
if (s->S("name","0") == "phrase_start")
return a->F("start");
else
return a->F("end");
}
EST_Val ff_tilt_event_position(EST_Item *s)
{
EST_String rel_name = s->S("time_path");
EST_Item *t, *a;
if ((t = s->as_relation(rel_name)) == 0)
EST_error("No relation %s for item\n", (const char *) rel_name);
a = parent(t);
cout << "us features tilt pos\n";
cout << "dereferencing syllable: " << *a << endl;
cout << "vowel_start: " << a->F("vowel_start") << endl;
cout << "start: " << a->F("start") << endl;
cout << "end: " << a->F("end") << endl;
return a->F("vowel_start") + s->F("rel_pos",0.0);
}
EST_Val ff_leaf_end(EST_Item *s)
{
if (!s->f_present("time_path"))
EST_error("Attempted to use leaf end() feature function on "
"item with no time_path feature set: %s\n",
(const char *)s->relation()->name());
EST_String rel_name = s->S("time_path");
EST_Item *t, *a;
if ((t = s->as_relation(rel_name)) == 0)
EST_error("No relation %s for item\n", (const char *) rel_name);
a = last_leaf_in_tree(t);
float def = -1.0;
EST_feat_status stat;
return getFloat(*a, "end", def, stat);
}
EST_Val ff_leaf_start(EST_Item *s)
{
if (!s->f_present("time_path"))
EST_error("Attempted to use leaf start() feature function on "
"item with no time_path feature set: %s\n",
(const char *)s->relation()->name());
EST_String rel_name = s->S("time_path");
EST_Item *t, *a;
if ((t = s->as_relation(rel_name)) == 0)
EST_error("No relation %s for item\n", (const char *) rel_name);
a = first_leaf_in_tree(t);
// cout << "this is the first node of the tree\n";
//cout << *a << endl;
float def = -1.0;
EST_feat_status stat;
return getFloat(*a, "start", def, stat);
}
EST_Val ff_int_start(EST_Item *s)
{
EST_String rel_name = "IntonationPhrase";
EST_Item *t, *a;
if ((t = s->as_relation(rel_name)) == 0)
EST_error("No relation %s for item\n", (const char *) rel_name);
a = first_leaf_in_tree(parent(t)->as_relation("MetricalTree"));
float def = -1.0;
EST_feat_status stat;
return getFloat(*a, "start", def, stat);
}
EST_Val ff_int_end(EST_Item *s)
{
EST_String rel_name = "IntonationPhrase";
EST_Item *t, *a;
if ((t = s->as_relation(rel_name)) == 0)
EST_error("No relation %s for item\n", (const char *) rel_name);
a = last_leaf_in_tree(parent(t)->as_relation("MetricalTree"));
float def = -1.0;
EST_feat_status stat;
return getFloat(*a, "end", def, stat);
}
void register_standard_feature_functions(EST_FeatureFunctionPackage &p)
{
#ifdef EST_DEBUGGING
cerr << "register_standard_feature_functions()\n";
#endif
p.register_func("duration", ff_duration);
p.register_func("start", ff_start);
p.register_func("leaf_end", ff_leaf_end);
p.register_func("leaf_start", ff_leaf_start);
p.register_func("int_end", ff_int_end);
p.register_func("int_start", ff_int_start);
p.register_func("tilt_event_position", ff_tilt_event_position);
p.register_func("tilt_phrase_position", ff_tilt_phrase_position);
p.register_func("unisyn_duration", ff_duration);
p.register_func("unisyn_start", ff_start);
p.register_func("unisyn_leaf_end", ff_leaf_end);
p.register_func("unisyn_leaf_start", ff_leaf_start);
p.register_func("unisyn_int_end", ff_int_end);
p.register_func("unisyn_int_start", ff_int_start);
p.register_func("unisyn_tilt_event_position", ff_tilt_event_position);
p.register_func("unisyn_tilt_phrase_position", ff_tilt_phrase_position);
#ifdef EST_DEBUGGING
cerr << "finished register_standard_feature_functions()\n";
#endif
}
EST_FeatureFunctionPackage
Definition EST_FeatureFunctionPackage.h:48
EST_Item
Definition EST_Item.h:83
EST_Item::relation
EST_Relation * relation(void) const
The relation of this particular item.
Definition EST_Item.h:316
EST_Item::S
const EST_String S(const EST_String &name) const
Definition EST_Item.h:143
EST_Item::F
const float F(const EST_String &name) const
Definition EST_Item.h:134
EST_Item::as_relation
EST_Item * as_relation(const char *relname) const
View item from another relation (const char *) method.
Definition EST_Item.h:302
EST_Item::f_present
int f_present(const EST_String &name) const
Definition EST_Item.h:230
EST_Relation::name
const EST_String & name() const
Definition EST_Relation.h:122
EST_String
Definition EST_String.h:70
EST_Val
Definition EST_Val.h:70
EST_Val::F
const float F(void) const
Definition EST_Val.h:142