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flightgear/3rdparty/hts_engine_API/lib/HTS_model.c
James Turner 7b2d710cd0 Add hts_engine 1.08 and flite_hts 1.05 code. 
- Not compiled by default, nor hooked up to anything yet.
- Both libraries licensed under modified BSD license.
- Added top-level CMake file for both, to create a plain static
  library for each.
2014-03-10 09:32:43 +00:00

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/* ----------------------------------------------------------------- */
/* The HMM-Based Speech Synthesis Engine "hts_engine API" */
/* developed by HTS Working Group */
/* http://hts-engine.sourceforge.net/ */
/* ----------------------------------------------------------------- */
/* */
/* Copyright (c) 2001-2013 Nagoya Institute of Technology */
/* Department of Computer Science */
/* */
/* 2001-2008 Tokyo Institute of Technology */
/* Interdisciplinary Graduate School of */
/* Science and Engineering */
/* */
/* All rights reserved. */
/* */
/* Redistribution and use in source and binary forms, with or */
/* without modification, are permitted provided that the following */
/* conditions are met: */
/* */
/* - Redistributions of source code must retain the above copyright */
/* notice, this list of conditions and the following disclaimer. */
/* - Redistributions in binary form must reproduce the above */
/* copyright notice, this list of conditions and the following */
/* disclaimer in the documentation and/or other materials provided */
/* with the distribution. */
/* - Neither the name of the HTS working group nor the names of its */
/* contributors may be used to endorse or promote products derived */
/* from this software without specific prior written permission. */
/* */
/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND */
/* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, */
/* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
/* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
/* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS */
/* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, */
/* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED */
/* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, */
/* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON */
/* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, */
/* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY */
/* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */
/* POSSIBILITY OF SUCH DAMAGE. */
/* ----------------------------------------------------------------- */
#ifndef HTS_MODEL_C
#define HTS_MODEL_C
#ifdef __cplusplus
#define HTS_MODEL_C_START extern "C" {
#define HTS_MODEL_C_END }
#else
#define HTS_MODEL_C_START
#define HTS_MODEL_C_END
#endif /* __CPLUSPLUS */
HTS_MODEL_C_START;
#include <stdlib.h> /* for atoi(),abs() */
#include <string.h> /* for strlen(),strstr(),strrchr(),strcmp() */
#include <ctype.h> /* for isdigit() */
/* hts_engine libraries */
#include "HTS_hidden.h"
/* HTS_dp_match: recursive matching */
static HTS_Boolean HTS_dp_match(const char *string, const char *pattern, size_t pos, size_t max)
{
if (pos > max)
return FALSE;
if (string[0] == '\0' && pattern[0] == '\0')
return TRUE;
if (pattern[0] == '*') {
if (HTS_dp_match(string + 1, pattern, pos + 1, max) == 1)
return TRUE;
else
return HTS_dp_match(string, pattern + 1, pos, max);
}
if (string[0] == pattern[0] || pattern[0] == '?') {
if (HTS_dp_match(string + 1, pattern + 1, pos + 1, max + 1) == 1)
return TRUE;
}
return FALSE;
}
/* HTS_pattern_match: pattern matching function */
static HTS_Boolean HTS_pattern_match(const char *string, const char *pattern)
{
size_t i, j;
size_t buff_length, max = 0, nstar = 0, nquestion = 0;
char buff[HTS_MAXBUFLEN];
size_t pattern_length = strlen(pattern);
for (i = 0; i < pattern_length; i++) {
switch (pattern[i]) {
case '*':
nstar++;
break;
case '?':
nquestion++;
max++;
break;
default:
max++;
}
}
if (nstar == 2 && nquestion == 0 && pattern[0] == '*' && pattern[i - 1] == '*') {
/* only string matching is required */
buff_length = i - 2;
for (i = 0, j = 1; i < buff_length; i++, j++)
buff[i] = pattern[j];
buff[buff_length] = '\0';
if (strstr(string, buff) != NULL)
return TRUE;
else
return FALSE;
} else
return HTS_dp_match(string, pattern, 0, strlen(string) - max);
}
/* HTS_is_num: check given buffer is number or not */
static HTS_Boolean HTS_is_num(const char *buff)
{
size_t i;
size_t length = strlen(buff);
for (i = 0; i < length; i++)
if (!(isdigit((int) buff[i]) || (buff[i] == '-')))
return FALSE;
return TRUE;
}
/* HTS_name2num: convert name of node to number */
static size_t HTS_name2num(const char *buff)
{
size_t i;
for (i = strlen(buff) - 1; '0' <= buff[i] && buff[i] <= '9' && i >= 0; i--);
i++;
return (size_t) atoi(&buff[i]);
}
/* HTS_get_state_num: return the number of state */
static size_t HTS_get_state_num(const char *string)
{
char *left, *right;
left = strchr(string, '[');
if (left == NULL)
return 0;
left++;
right = strchr(left, ']');
if (right == NULL)
return 0;
return (size_t) atoi(left);
}
/* HTS_Question_initialize: initialize question */
static void HTS_Question_initialize(HTS_Question * question)
{
question->string = NULL;
question->head = NULL;
question->next = NULL;
}
/* HTS_Question_clear: clear loaded question */
static void HTS_Question_clear(HTS_Question * question)
{
HTS_Pattern *pattern, *next_pattern;
if (question->string != NULL)
HTS_free(question->string);
for (pattern = question->head; pattern; pattern = next_pattern) {
next_pattern = pattern->next;
HTS_free(pattern->string);
HTS_free(pattern);
}
HTS_Question_initialize(question);
}
/* HTS_Question_load: Load questions from file */
static HTS_Boolean HTS_Question_load(HTS_Question * question, HTS_File * fp)
{
char buff[HTS_MAXBUFLEN];
HTS_Pattern *pattern, *last_pattern;
if (question == NULL || fp == NULL)
return FALSE;
HTS_Question_clear(question);
/* get question name */
if (HTS_get_pattern_token(fp, buff) == FALSE)
return FALSE;
question->string = HTS_strdup(buff);
/* get pattern list */
if (HTS_get_pattern_token(fp, buff) == FALSE) {
HTS_Question_clear(question);
return FALSE;
}
last_pattern = NULL;
if (strcmp(buff, "{") == 0) {
while (1) {
if (HTS_get_pattern_token(fp, buff) == FALSE) {
HTS_Question_clear(question);
return FALSE;
}
pattern = (HTS_Pattern *) HTS_calloc(1, sizeof(HTS_Pattern));
if (question->head != NULL)
last_pattern->next = pattern;
else /* first time */
question->head = pattern;
pattern->string = HTS_strdup(buff);
pattern->next = NULL;
if (HTS_get_pattern_token(fp, buff) == FALSE) {
HTS_Question_clear(question);
return FALSE;
}
if (!strcmp(buff, "}"))
break;
last_pattern = pattern;
}
}
return TRUE;
}
/* HTS_Question_match: check given string match given question */
static HTS_Boolean HTS_Question_match(HTS_Question * question, const char *string)
{
HTS_Pattern *pattern;
for (pattern = question->head; pattern; pattern = pattern->next)
if (HTS_pattern_match(string, pattern->string))
return TRUE;
return FALSE;
}
/* HTS_Question_find: find question from question list */
static HTS_Question *HTS_Question_find(HTS_Question * question, const char *string)
{
for (; question; question = question->next)
if (strcmp(string, question->string) == 0)
return question;
return NULL;
}
/* HTS_Node_initialzie: initialize node */
static void HTS_Node_initialize(HTS_Node * node)
{
node->index = 0;
node->pdf = 0;
node->yes = NULL;
node->no = NULL;
node->next = NULL;
node->quest = NULL;
}
/* HTS_Node_clear: recursive function to free node */
static void HTS_Node_clear(HTS_Node * node)
{
if (node->yes != NULL) {
HTS_Node_clear(node->yes);
HTS_free(node->yes);
}
if (node->no != NULL) {
HTS_Node_clear(node->no);
HTS_free(node->no);
}
HTS_Node_initialize(node);
}
/* HTS_Node_find: find node for given number */
static HTS_Node *HTS_Node_find(HTS_Node * node, int num)
{
for (; node; node = node->next)
if (node->index == num)
return node;
return NULL;
}
/* HTS_Tree_initialize: initialize tree */
static void HTS_Tree_initialize(HTS_Tree * tree)
{
tree->head = NULL;
tree->next = NULL;
tree->root = NULL;
tree->state = 0;
}
/* HTS_Tree_clear: clear given tree */
static void HTS_Tree_clear(HTS_Tree * tree)
{
HTS_Pattern *pattern, *next_pattern;
for (pattern = tree->head; pattern; pattern = next_pattern) {
next_pattern = pattern->next;
HTS_free(pattern->string);
HTS_free(pattern);
}
if (tree->root != NULL) {
HTS_Node_clear(tree->root);
HTS_free(tree->root);
}
HTS_Tree_initialize(tree);
}
/* HTS_Tree_parse_pattern: parse pattern specified for each tree */
static void HTS_Tree_parse_pattern(HTS_Tree * tree, char *string)
{
char *left, *right;
HTS_Pattern *pattern, *last_pattern;
tree->head = NULL;
last_pattern = NULL;
/* parse tree pattern */
if ((left = strchr(string, '{')) != NULL) { /* pattern is specified */
string = left + 1;
if (*string == '(')
++string;
right = strrchr(string, '}');
if (string < right && *(right - 1) == ')')
--right;
*right = ',';
/* parse pattern */
while ((left = strchr(string, ',')) != NULL) {
pattern = (HTS_Pattern *) HTS_calloc(1, sizeof(HTS_Pattern));
if (tree->head) {
last_pattern->next = pattern;
} else {
tree->head = pattern;
}
*left = '\0';
pattern->string = HTS_strdup(string);
string = left + 1;
pattern->next = NULL;
last_pattern = pattern;
}
}
}
/* HTS_Tree_load: load trees */
static HTS_Boolean HTS_Tree_load(HTS_Tree * tree, HTS_File * fp, HTS_Question * question)
{
char buff[HTS_MAXBUFLEN];
HTS_Node *node, *last_node;
if (tree == NULL || fp == NULL)
return FALSE;
if (HTS_get_pattern_token(fp, buff) == FALSE) {
HTS_Tree_clear(tree);
return FALSE;
}
node = (HTS_Node *) HTS_calloc(1, sizeof(HTS_Node));
HTS_Node_initialize(node);
tree->root = last_node = node;
if (strcmp(buff, "{") == 0) {
while (HTS_get_pattern_token(fp, buff) == TRUE && strcmp(buff, "}") != 0) {
node = HTS_Node_find(last_node, atoi(buff));
if (node == NULL) {
HTS_error(0, "HTS_Tree_load: Cannot find node %d.\n", atoi(buff));
HTS_Tree_clear(tree);
return FALSE;
}
if (HTS_get_pattern_token(fp, buff) == FALSE) {
HTS_Tree_clear(tree);
return FALSE;
}
node->quest = HTS_Question_find(question, buff);
if (node->quest == NULL) {
HTS_error(0, "HTS_Tree_load: Cannot find question %s.\n", buff);
HTS_Tree_clear(tree);
return FALSE;
}
node->yes = (HTS_Node *) HTS_calloc(1, sizeof(HTS_Node));
node->no = (HTS_Node *) HTS_calloc(1, sizeof(HTS_Node));
HTS_Node_initialize(node->yes);
HTS_Node_initialize(node->no);
if (HTS_get_pattern_token(fp, buff) == FALSE) {
node->quest = NULL;
free(node->yes);
free(node->no);
HTS_Tree_clear(tree);
return FALSE;
}
if (HTS_is_num(buff))
node->no->index = atoi(buff);
else
node->no->pdf = HTS_name2num(buff);
node->no->next = last_node;
last_node = node->no;
if (HTS_get_pattern_token(fp, buff) == FALSE) {
node->quest = NULL;
free(node->yes);
free(node->no);
HTS_Tree_clear(tree);
return FALSE;
}
if (HTS_is_num(buff))
node->yes->index = atoi(buff);
else
node->yes->pdf = HTS_name2num(buff);
node->yes->next = last_node;
last_node = node->yes;
}
} else {
node->pdf = HTS_name2num(buff);
}
return TRUE;
}
/* HTS_Node_search: tree search */
static size_t HTS_Tree_search_node(HTS_Tree * tree, const char *string)
{
HTS_Node *node = tree->root;
while (node != NULL) {
if (node->quest == NULL)
return node->pdf;
if (HTS_Question_match(node->quest, string)) {
if (node->yes->pdf > 0)
return node->yes->pdf;
node = node->yes;
} else {
if (node->no->pdf > 0)
return node->no->pdf;
node = node->no;
}
}
HTS_error(0, "HTS_Tree_search_node: Cannot find node.\n");
return 1;
}
/* HTS_Window_initialize: initialize dynamic window */
static void HTS_Window_initialize(HTS_Window * win)
{
win->size = 0;
win->l_width = NULL;
win->r_width = NULL;
win->coefficient = NULL;
win->max_width = 0;
}
/* HTS_Window_clear: free dynamic window */
static void HTS_Window_clear(HTS_Window * win)
{
size_t i;
if (win->coefficient != NULL) {
for (i = 0; i < win->size; i++) {
win->coefficient[i] += win->l_width[i];
HTS_free(win->coefficient[i]);
}
HTS_free(win->coefficient);
}
if (win->l_width)
HTS_free(win->l_width);
if (win->r_width)
HTS_free(win->r_width);
HTS_Window_initialize(win);
}
/* HTS_Window_load: load dynamic windows */
static HTS_Boolean HTS_Window_load(HTS_Window * win, HTS_File ** fp, size_t size)
{
size_t i, j;
size_t fsize, length;
char buff[HTS_MAXBUFLEN];
HTS_Boolean result = TRUE;
/* check */
if (win == NULL || fp == NULL || size == 0)
return FALSE;
win->size = size;
win->l_width = (int *) HTS_calloc(win->size, sizeof(int));
win->r_width = (int *) HTS_calloc(win->size, sizeof(int));
win->coefficient = (double **) HTS_calloc(win->size, sizeof(double *));
/* set delta coefficents */
for (i = 0; i < win->size; i++) {
if (HTS_get_token_from_fp(fp[i], buff) == FALSE) {
result = FALSE;
fsize = 1;
} else {
fsize = atoi(buff);
if (fsize == 0) {
result = FALSE;
fsize = 1;
}
}
/* read coefficients */
win->coefficient[i] = (double *) HTS_calloc(fsize, sizeof(double));
for (j = 0; j < fsize; j++) {
if (HTS_get_token_from_fp(fp[i], buff) == FALSE) {
result = FALSE;
win->coefficient[i][j] = 0.0;
} else {
win->coefficient[i][j] = (double) atof(buff);
}
}
/* set pointer */
length = fsize / 2;
win->coefficient[i] += length;
win->l_width[i] = -1 * (int) length;
win->r_width[i] = (int) length;
if (fsize % 2 == 0)
win->r_width[i]--;
}
/* calcurate max_width to determine size of band matrix */
win->max_width = 0;
for (i = 0; i < win->size; i++) {
if (win->max_width < (size_t) abs(win->l_width[i]))
win->max_width = abs(win->l_width[i]);
if (win->max_width < (size_t) abs(win->r_width[i]))
win->max_width = abs(win->r_width[i]);
}
if (result == FALSE) {
HTS_Window_clear(win);
return FALSE;
}
return TRUE;
}
/* HTS_Model_initialize: initialize model */
static void HTS_Model_initialize(HTS_Model * model)
{
model->vector_length = 0;
model->num_windows = 0;
model->is_msd = FALSE;
model->ntree = 0;
model->npdf = NULL;
model->pdf = NULL;
model->tree = NULL;
model->question = NULL;
}
/* HTS_Model_clear: free pdfs and trees */
static void HTS_Model_clear(HTS_Model * model)
{
size_t i, j;
HTS_Question *question, *next_question;
HTS_Tree *tree, *next_tree;
for (question = model->question; question; question = next_question) {
next_question = question->next;
HTS_Question_clear(question);
HTS_free(question);
}
for (tree = model->tree; tree; tree = next_tree) {
next_tree = tree->next;
HTS_Tree_clear(tree);
HTS_free(tree);
}
if (model->pdf) {
for (i = 2; i <= model->ntree + 1; i++) {
for (j = 1; j <= model->npdf[i]; j++) {
HTS_free(model->pdf[i][j]);
}
model->pdf[i]++;
HTS_free(model->pdf[i]);
}
model->pdf += 2;
HTS_free(model->pdf);
}
if (model->npdf) {
model->npdf += 2;
HTS_free(model->npdf);
}
HTS_Model_initialize(model);
}
/* HTS_Model_load_tree: load trees */
static HTS_Boolean HTS_Model_load_tree(HTS_Model * model, HTS_File * fp)
{
char buff[HTS_MAXBUFLEN];
HTS_Question *question, *last_question;
HTS_Tree *tree, *last_tree;
size_t state;
/* check */
if (model == NULL) {
HTS_error(0, "HTS_Model_load_tree: File for trees is not specified.\n");
return FALSE;
}
if (fp == NULL) {
model->ntree = 1;
return TRUE;
}
model->ntree = 0;
last_question = NULL;
last_tree = NULL;
while (!HTS_feof(fp)) {
HTS_get_pattern_token(fp, buff);
/* parse questions */
if (strcmp(buff, "QS") == 0) {
question = (HTS_Question *) HTS_calloc(1, sizeof(HTS_Question));
HTS_Question_initialize(question);
if (HTS_Question_load(question, fp) == FALSE) {
free(question);
HTS_Model_clear(model);
return FALSE;
}
if (model->question)
last_question->next = question;
else
model->question = question;
question->next = NULL;
last_question = question;
}
/* parse trees */
state = HTS_get_state_num(buff);
if (state != 0) {
tree = (HTS_Tree *) HTS_calloc(1, sizeof(HTS_Tree));
HTS_Tree_initialize(tree);
tree->state = state;
HTS_Tree_parse_pattern(tree, buff);
if (HTS_Tree_load(tree, fp, model->question) == FALSE) {
free(tree);
HTS_Model_clear(model);
return FALSE;
}
if (model->tree)
last_tree->next = tree;
else
model->tree = tree;
tree->next = NULL;
last_tree = tree;
model->ntree++;
}
}
/* No Tree information in tree file */
if (model->tree == NULL)
model->ntree = 1;
return TRUE;
}
/* HTS_Model_load_pdf: load pdfs */
static HTS_Boolean HTS_Model_load_pdf(HTS_Model * model, HTS_File * fp, size_t vector_length, size_t num_windows, HTS_Boolean is_msd)
{
unsigned int i;
size_t j, k;
HTS_Boolean result = TRUE;
size_t len;
/* check */
if (model == NULL || fp == NULL || model->ntree <= 0) {
HTS_error(1, "HTS_Model_load_pdf: File for pdfs is not specified.\n");
return FALSE;
}
/* read MSD flag */
model->vector_length = vector_length;
model->num_windows = num_windows;
model->is_msd = is_msd;
model->npdf = (size_t *) HTS_calloc(model->ntree, sizeof(size_t));
model->npdf -= 2;
/* read the number of pdfs */
for (j = 2; j <= model->ntree + 1; j++) {
if (HTS_fread_little_endian(&i, sizeof(unsigned int), 1, fp) != 1) {
result = FALSE;
break;
}
model->npdf[j] = (size_t) i;
}
for (j = 2; j <= model->ntree + 1; j++) {
if (model->npdf[j] <= 0) {
HTS_error(1, "HTS_Model_load_pdf: # of pdfs at %d-th state should be positive.\n", j);
result = FALSE;
break;
}
}
if (result == FALSE) {
model->npdf += 2;
free(model->npdf);
HTS_Model_initialize(model);
return FALSE;
}
model->pdf = (float ***) HTS_calloc(model->ntree, sizeof(float **));
model->pdf -= 2;
/* read means and variances */
if (is_msd) /* for MSD */
len = model->vector_length * model->num_windows * 2 + 1;
else
len = model->vector_length * model->num_windows * 2;
for (j = 2; j <= model->ntree + 1; j++) {
model->pdf[j] = (float **) HTS_calloc(model->npdf[j], sizeof(float *));
model->pdf[j]--;
for (k = 1; k <= model->npdf[j]; k++) {
model->pdf[j][k] = (float *) HTS_calloc(len, sizeof(float));
if (HTS_fread_little_endian(model->pdf[j][k], sizeof(float), len, fp) != len)
result = FALSE;
}
}
if (result == FALSE) {
HTS_Model_clear(model);
return FALSE;
}
return TRUE;
}
/* HTS_Model_load: load pdf and tree */
static HTS_Boolean HTS_Model_load(HTS_Model * model, HTS_File * pdf, HTS_File * tree, size_t vector_length, size_t num_windows, HTS_Boolean is_msd)
{
/* check */
if (model == NULL || pdf == NULL || vector_length == 0 || num_windows == 0)
return FALSE;
/* reset */
HTS_Model_clear(model);
/* load tree */
if (HTS_Model_load_tree(model, tree) != TRUE) {
HTS_Model_clear(model);
return FALSE;
}
/* load pdf */
if (HTS_Model_load_pdf(model, pdf, vector_length, num_windows, is_msd) != TRUE) {
HTS_Model_clear(model);
return FALSE;
}
return TRUE;
}
/* HTS_Model_get_index: get index of tree and PDF */
static void HTS_Model_get_index(HTS_Model * model, size_t state_index, const char *string, size_t * tree_index, size_t * pdf_index)
{
HTS_Tree *tree;
HTS_Pattern *pattern;
HTS_Boolean find;
(*tree_index) = 2;
(*pdf_index) = 1;
if (model->tree == NULL)
return;
find = FALSE;
for (tree = model->tree; tree; tree = tree->next) {
if (tree->state == state_index) {
pattern = tree->head;
if (!pattern)
find = TRUE;
for (; pattern; pattern = pattern->next)
if (HTS_pattern_match(string, pattern->string)) {
find = TRUE;
break;
}
if (find)
break;
}
(*tree_index)++;
}
if (tree != NULL) {
(*pdf_index) = HTS_Tree_search_node(tree, string);
} else {
(*pdf_index) = HTS_Tree_search_node(model->tree, string);
}
}
/* HTS_ModelSet_initialize: initialize model set */
void HTS_ModelSet_initialize(HTS_ModelSet * ms)
{
ms->hts_voice_version = NULL;
ms->sampling_frequency = 0;
ms->frame_period = 0;
ms->num_voices = 0;
ms->num_states = 0;
ms->num_streams = 0;
ms->stream_type = NULL;
ms->fullcontext_format = NULL;
ms->fullcontext_version = NULL;
ms->gv_off_context = NULL;
ms->option = NULL;
ms->duration = NULL;
ms->window = NULL;
ms->stream = NULL;
ms->gv = NULL;
}
/* HTS_ModelSet_clear: free model set */
void HTS_ModelSet_clear(HTS_ModelSet * ms)
{
size_t i, j;
if (ms->hts_voice_version != NULL)
free(ms->hts_voice_version);
if (ms->stream_type != NULL)
free(ms->stream_type);
if (ms->fullcontext_format != NULL)
free(ms->fullcontext_format);
if (ms->fullcontext_version != NULL)
free(ms->fullcontext_version);
if (ms->gv_off_context != NULL) {
HTS_Question_clear(ms->gv_off_context);
free(ms->gv_off_context);
}
if (ms->option != NULL) {
for (i = 0; i < ms->num_streams; i++)
if (ms->option[i] != NULL)
free(ms->option[i]);
free(ms->option);
}
if (ms->duration != NULL) {
for (i = 0; i < ms->num_voices; i++)
HTS_Model_clear(&ms->duration[i]);
free(ms->duration);
}
if (ms->window != NULL) {
for (i = 0; i < ms->num_streams; i++)
HTS_Window_clear(&ms->window[i]);
free(ms->window);
}
if (ms->stream != NULL) {
for (i = 0; i < ms->num_voices; i++) {
for (j = 0; j < ms->num_streams; j++)
HTS_Model_clear(&ms->stream[i][j]);
free(ms->stream[i]);
}
HTS_free(ms->stream);
}
if (ms->gv != NULL) {
for (i = 0; i < ms->num_voices; i++) {
for (j = 0; j < ms->num_streams; j++)
HTS_Model_clear(&ms->gv[i][j]);
free(ms->gv[i]);
}
free(ms->gv);
}
HTS_ModelSet_initialize(ms);
}
/* HTS_match_head_string: return true if head of str is equal to pattern */
static HTS_Boolean HTS_match_head_string(const char *str, const char *pattern, size_t * matched_size)
{
(*matched_size) = 0;
while (1) {
if (pattern[(*matched_size)] == '\0')
return TRUE;
if (str[(*matched_size)] == '\0')
return FALSE;
if (str[(*matched_size)] != pattern[(*matched_size)])
return FALSE;
(*matched_size)++;
}
}
/* HTS_strequal: strcmp wrapper */
static HTS_Boolean HTS_strequal(const char *s1, const char *s2)
{
if (s1 == NULL && s2 == NULL)
return TRUE;
else if (s1 == NULL || s2 == NULL)
return FALSE;
else
return strcmp(s1, s2) == 0 ? TRUE : FALSE;
}
/* HTS_ModelSet_load: load model set */
HTS_Boolean HTS_ModelSet_load(HTS_ModelSet * ms, char **voices, size_t num_voices)
{
size_t i, j, k, s, e;
HTS_Boolean error = FALSE;
HTS_File *fp;
char buff1[HTS_MAXBUFLEN];
char buff2[HTS_MAXBUFLEN];
size_t matched_size;
char **stream_type_list = NULL;
size_t *vector_length = NULL;
HTS_Boolean *is_msd = NULL;
size_t *num_windows = NULL;
HTS_Boolean *use_gv = NULL;
char *gv_off_context = NULL;
/* temporary values */
char *temp_hts_voice_version;
size_t temp_sampling_frequency;
size_t temp_frame_period;
size_t temp_num_states;
size_t temp_num_streams;
char *temp_stream_type;
char *temp_fullcontext_format;
char *temp_fullcontext_version;
char *temp_gv_off_context;
size_t *temp_vector_length;
HTS_Boolean *temp_is_msd;
size_t *temp_num_windows;
HTS_Boolean *temp_use_gv;
char **temp_option;
char *temp_duration_pdf;
char *temp_duration_tree;
char ***temp_stream_win;
char **temp_stream_pdf;
char **temp_stream_tree;
char **temp_gv_pdf;
char **temp_gv_tree;
long start_of_data;
HTS_File *pdf_fp = NULL;
HTS_File *tree_fp = NULL;
HTS_File **win_fp = NULL;
HTS_File *gv_off_context_fp = NULL;
HTS_ModelSet_clear(ms);
if (ms == NULL || voices == NULL || num_voices < 1)
return FALSE;
ms->num_voices = num_voices;
for (i = 0; i < num_voices && error == FALSE; i++) {
/* open file */
fp = HTS_fopen_from_fn(voices[i], "rb");
if (fp == NULL) {
error = TRUE;
break;
}
/* reset GLOBAL options */
temp_hts_voice_version = NULL;
temp_sampling_frequency = 0;
temp_frame_period = 0;
temp_num_states = 0;
temp_num_streams = 0;
temp_stream_type = NULL;
temp_fullcontext_format = NULL;
temp_fullcontext_version = NULL;
temp_gv_off_context = NULL;
if (HTS_get_token_from_fp_with_separator(fp, buff1, '\n') != TRUE) {
error = TRUE;
break;
}
/* load GLOBAL options */
if (HTS_strequal(buff1, "[GLOBAL]") != TRUE) {
error = TRUE;
break;
}
while (1) {
if (HTS_get_token_from_fp_with_separator(fp, buff1, '\n') != TRUE) {
error = TRUE;
break;
}
if (HTS_strequal(buff1, "[STREAM]") == TRUE) {
break;
} else if (HTS_match_head_string(buff1, "HTS_VOICE_VERSION:", &matched_size) == TRUE) {
if (temp_hts_voice_version != NULL)
free(temp_hts_voice_version);
temp_hts_voice_version = HTS_strdup(&buff1[matched_size]);
} else if (HTS_match_head_string(buff1, "SAMPLING_FREQUENCY:", &matched_size) == TRUE) {
temp_sampling_frequency = (size_t) atoi(&buff1[matched_size]);
} else if (HTS_match_head_string(buff1, "FRAME_PERIOD:", &matched_size) == TRUE) {
temp_frame_period = (size_t) atoi(&buff1[matched_size]);
} else if (HTS_match_head_string(buff1, "NUM_STATES:", &matched_size) == TRUE) {
temp_num_states = (size_t) atoi(&buff1[matched_size]);
} else if (HTS_match_head_string(buff1, "NUM_STREAMS:", &matched_size) == TRUE) {
temp_num_streams = (size_t) atoi(&buff1[matched_size]);
} else if (HTS_match_head_string(buff1, "STREAM_TYPE:", &matched_size) == TRUE) {
if (temp_stream_type != NULL)
free(temp_stream_type);
temp_stream_type = HTS_strdup(&buff1[matched_size]);
} else if (HTS_match_head_string(buff1, "FULLCONTEXT_FORMAT:", &matched_size) == TRUE) {
if (temp_fullcontext_format != NULL)
free(temp_fullcontext_format);
temp_fullcontext_format = HTS_strdup(&buff1[matched_size]);
} else if (HTS_match_head_string(buff1, "FULLCONTEXT_VERSION:", &matched_size) == TRUE) {
if (temp_fullcontext_version != NULL)
free(temp_fullcontext_version);
temp_fullcontext_version = HTS_strdup(&buff1[matched_size]);
} else if (HTS_match_head_string(buff1, "GV_OFF_CONTEXT:", &matched_size) == TRUE) {
if (temp_gv_off_context != NULL)
free(temp_gv_off_context);
temp_gv_off_context = HTS_strdup(&buff1[matched_size]);
} else if (HTS_match_head_string(buff1, "COMMENT:", &matched_size) == TRUE) {
} else {
HTS_error(0, "HTS_ModelSet_load: Unknown option %s.\n", buff1);
}
}
/* check GLOBAL options */
if (i == 0) {
ms->hts_voice_version = temp_hts_voice_version;
ms->sampling_frequency = temp_sampling_frequency;
ms->frame_period = temp_frame_period;
ms->num_states = temp_num_states;
ms->num_streams = temp_num_streams;
ms->stream_type = temp_stream_type;
ms->fullcontext_format = temp_fullcontext_format;
ms->fullcontext_version = temp_fullcontext_version;
gv_off_context = temp_gv_off_context;
} else {
if (HTS_strequal(ms->hts_voice_version, temp_hts_voice_version) != TRUE)
error = TRUE;
if (ms->sampling_frequency != temp_sampling_frequency)
error = TRUE;
if (ms->frame_period != temp_frame_period)
error = TRUE;
if (ms->num_states != temp_num_states)
error = TRUE;
if (ms->num_streams != temp_num_streams)
error = TRUE;
if (HTS_strequal(ms->stream_type, temp_stream_type) != TRUE)
error = TRUE;
if (HTS_strequal(ms->fullcontext_format, temp_fullcontext_format) != TRUE)
error = TRUE;
if (HTS_strequal(ms->fullcontext_version, temp_fullcontext_version) != TRUE)
error = TRUE;
if (HTS_strequal(gv_off_context, temp_gv_off_context) != TRUE)
error = TRUE;
if (temp_hts_voice_version != NULL)
free(temp_hts_voice_version);
if (temp_stream_type != NULL)
free(temp_stream_type);
if (temp_fullcontext_format != NULL)
free(temp_fullcontext_format);
if (temp_fullcontext_version != NULL)
free(temp_fullcontext_version);
if (temp_gv_off_context != NULL)
free(temp_gv_off_context);
}
/* find stream names */
if (i == 0) {
stream_type_list = (char **) HTS_calloc(ms->num_streams, sizeof(char *));
for (j = 0, matched_size = 0; j < ms->num_streams; j++) {
if (HTS_get_token_from_string_with_separator(ms->stream_type, &matched_size, buff2, ',') == TRUE) {
stream_type_list[j] = HTS_strdup(buff2);
} else {
stream_type_list[j] = NULL;
error = TRUE;
}
}
}
if (error != FALSE) {
HTS_fclose(fp);
break;
}
/* reset STREAM options */
temp_vector_length = (size_t *) HTS_calloc(ms->num_streams, sizeof(size_t));
for (j = 0; j < ms->num_streams; j++)
temp_vector_length[j] = 0;
temp_is_msd = (HTS_Boolean *) HTS_calloc(ms->num_streams, sizeof(HTS_Boolean));
for (j = 0; j < ms->num_streams; j++)
temp_is_msd[j] = FALSE;
temp_num_windows = (size_t *) HTS_calloc(ms->num_streams, sizeof(size_t));
for (j = 0; j < ms->num_streams; j++)
temp_num_windows[j] = 0;
temp_use_gv = (HTS_Boolean *) HTS_calloc(ms->num_streams, sizeof(HTS_Boolean));
for (j = 0; j < ms->num_streams; j++)
temp_use_gv[j] = FALSE;
temp_option = (char **) HTS_calloc(ms->num_streams, sizeof(char *));
for (j = 0; j < ms->num_streams; j++)
temp_option[j] = NULL;
/* load STREAM options */
while (1) {
if (HTS_get_token_from_fp_with_separator(fp, buff1, '\n') != TRUE) {
error = TRUE;
break;
}
if (strcmp(buff1, "[POSITION]") == 0) {
break;
} else if (HTS_match_head_string(buff1, "VECTOR_LENGTH[", &matched_size) == TRUE) {
if (HTS_get_token_from_string_with_separator(buff1, &matched_size, buff2, ']') == TRUE) {
if (buff1[matched_size++] == ':') {
for (j = 0; j < ms->num_streams; j++)
if (strcmp(stream_type_list[j], buff2) == 0) {
temp_vector_length[j] = (size_t) atoi(&buff1[matched_size]);
break;
}
}
}
} else if (HTS_match_head_string(buff1, "IS_MSD[", &matched_size) == TRUE) {
if (HTS_get_token_from_string_with_separator(buff1, &matched_size, buff2, ']') == TRUE) {
if (buff1[matched_size++] == ':') {
for (j = 0; j < ms->num_streams; j++)
if (strcmp(stream_type_list[j], buff2) == 0) {
temp_is_msd[j] = (buff1[matched_size] == '1') ? TRUE : FALSE;
break;
}
}
}
} else if (HTS_match_head_string(buff1, "NUM_WINDOWS[", &matched_size) == TRUE) {
if (HTS_get_token_from_string_with_separator(buff1, &matched_size, buff2, ']') == TRUE) {
if (buff1[matched_size++] == ':') {
for (j = 0; j < ms->num_streams; j++)
if (strcmp(stream_type_list[j], buff2) == 0) {
temp_num_windows[j] = (size_t) atoi(&buff1[matched_size]);
break;
}
}
}
} else if (HTS_match_head_string(buff1, "USE_GV[", &matched_size) == TRUE) {
if (HTS_get_token_from_string_with_separator(buff1, &matched_size, buff2, ']') == TRUE) {
if (buff1[matched_size++] == ':') {
for (j = 0; j < ms->num_streams; j++)
if (strcmp(stream_type_list[j], buff2) == 0) {
temp_use_gv[j] = (buff1[matched_size] == '1') ? TRUE : FALSE;
break;
}
}
}
} else if (HTS_match_head_string(buff1, "OPTION[", &matched_size) == TRUE) {
if (HTS_get_token_from_string_with_separator(buff1, &matched_size, buff2, ']') == TRUE) {
if (buff1[matched_size++] == ':') {
for (j = 0; j < ms->num_streams; j++)
if (strcmp(stream_type_list[j], buff2) == 0) {
if (temp_option[j] != NULL)
free(temp_option[j]);
temp_option[j] = HTS_strdup(&buff1[matched_size]);
break;
}
}
}
} else {
HTS_error(0, "HTS_ModelSet_load: Unknown option %s.\n", buff1);
}
}
/* check STREAM options */
if (i == 0) {
vector_length = temp_vector_length;
is_msd = temp_is_msd;
num_windows = temp_num_windows;
use_gv = temp_use_gv;
ms->option = temp_option;
} else {
for (j = 0; j < ms->num_streams; j++)
if (vector_length[j] != temp_vector_length[j])
error = TRUE;
for (j = 0; j < ms->num_streams; j++)
if (is_msd[j] != is_msd[j])
error = TRUE;
for (j = 0; j < ms->num_streams; j++)
if (num_windows[j] != temp_num_windows[j])
error = TRUE;
for (j = 0; j < ms->num_streams; j++)
if (use_gv[j] != temp_use_gv[j])
error = TRUE;
for (j = 0; j < ms->num_streams; j++)
if (HTS_strequal(ms->option[j], temp_option[j]) != TRUE)
error = TRUE;
free(temp_vector_length);
free(temp_is_msd);
free(temp_num_windows);
free(temp_use_gv);
for (j = 0; j < ms->num_streams; j++)
if (temp_option[j] != NULL)
free(temp_option[j]);
free(temp_option);
}
if (error != FALSE) {
HTS_fclose(fp);
break;
}
/* reset POSITION */
temp_duration_pdf = NULL;
temp_duration_tree = NULL;
temp_stream_win = (char ***) HTS_calloc(ms->num_streams, sizeof(char **));
for (j = 0; j < ms->num_streams; j++) {
temp_stream_win[j] = (char **) HTS_calloc(num_windows[j], sizeof(char *));
for (k = 0; k < num_windows[j]; k++)
temp_stream_win[j][k] = NULL;
}
temp_stream_pdf = (char **) HTS_calloc(ms->num_streams, sizeof(char *));
for (j = 0; j < ms->num_streams; j++)
temp_stream_pdf[j] = NULL;
temp_stream_tree = (char **) HTS_calloc(ms->num_streams, sizeof(char *));
for (j = 0; j < ms->num_streams; j++)
temp_stream_tree[j] = NULL;
temp_gv_pdf = (char **) HTS_calloc(ms->num_streams, sizeof(char *));
for (j = 0; j < ms->num_streams; j++)
temp_gv_pdf[j] = NULL;
temp_gv_tree = (char **) HTS_calloc(ms->num_streams, sizeof(char *));
for (j = 0; j < ms->num_streams; j++)
temp_gv_tree[j] = NULL;
/* load POSITION */
while (1) {
if (HTS_get_token_from_fp_with_separator(fp, buff1, '\n') != TRUE) {
error = TRUE;
break;
}
if (strcmp(buff1, "[DATA]") == 0) {
break;
} else if (HTS_match_head_string(buff1, "DURATION_PDF:", &matched_size) == TRUE) {
if (temp_duration_pdf != NULL)
free(temp_duration_pdf);
temp_duration_pdf = HTS_strdup(&buff1[matched_size]);
} else if (HTS_match_head_string(buff1, "DURATION_TREE:", &matched_size) == TRUE) {
if (temp_duration_tree != NULL)
free(temp_duration_tree);
temp_duration_tree = HTS_strdup(&buff1[matched_size]);
} else if (HTS_match_head_string(buff1, "STREAM_WIN[", &matched_size) == TRUE) {
if (HTS_get_token_from_string_with_separator(buff1, &matched_size, buff2, ']') == TRUE) {
if (buff1[matched_size++] == ':') {
for (j = 0; j < ms->num_streams; j++) {
if (strcmp(stream_type_list[j], buff2) == 0) {
for (k = 0; k < num_windows[j]; k++) {
if (HTS_get_token_from_string_with_separator(buff1, &matched_size, buff2, ',') == TRUE)
temp_stream_win[j][k] = HTS_strdup(buff2);
else
error = TRUE;
}
break;
}
}
}
}
} else if (HTS_match_head_string(buff1, "STREAM_PDF[", &matched_size) == TRUE) {
if (HTS_get_token_from_string_with_separator(buff1, &matched_size, buff2, ']') == TRUE) {
if (buff1[matched_size++] == ':') {
for (j = 0; j < ms->num_streams; j++) {
if (strcmp(stream_type_list[j], buff2) == 0) {
if (temp_stream_pdf[j] != NULL)
free(temp_stream_pdf[j]);
temp_stream_pdf[j] = HTS_strdup(&buff1[matched_size]);
break;
}
}
}
}
} else if (HTS_match_head_string(buff1, "STREAM_TREE[", &matched_size) == TRUE) {
if (HTS_get_token_from_string_with_separator(buff1, &matched_size, buff2, ']') == TRUE) {
if (buff1[matched_size++] == ':') {
for (j = 0; j < ms->num_streams; j++) {
if (strcmp(stream_type_list[j], buff2) == 0) {
if (temp_stream_tree[j] != NULL)
free(temp_stream_tree[j]);
temp_stream_tree[j] = HTS_strdup(&buff1[matched_size]);
break;
}
}
}
}
} else if (HTS_match_head_string(buff1, "GV_PDF[", &matched_size) == TRUE) {
if (HTS_get_token_from_string_with_separator(buff1, &matched_size, buff2, ']') == TRUE) {
if (buff1[matched_size++] == ':') {
for (j = 0; j < ms->num_streams; j++) {
if (strcmp(stream_type_list[j], buff2) == 0) {
if (temp_gv_pdf[j] != NULL)
free(temp_gv_pdf[j]);
temp_gv_pdf[j] = HTS_strdup(&buff1[matched_size]);
break;
}
}
}
}
} else if (HTS_match_head_string(buff1, "GV_TREE[", &matched_size) == TRUE) {
if (HTS_get_token_from_string_with_separator(buff1, &matched_size, buff2, ']') == TRUE) {
if (buff1[matched_size++] == ':') {
for (j = 0; j < ms->num_streams; j++) {
if (strcmp(stream_type_list[j], buff2) == 0) {
if (temp_gv_tree[j] != NULL)
free(temp_gv_tree[j]);
temp_gv_tree[j] = HTS_strdup(&buff1[matched_size]);
break;
}
}
}
}
} else {
HTS_error(0, "HTS_ModelSet_load: Unknown option %s.\n", buff1);
}
}
/* check POSITION */
if (temp_duration_pdf == NULL)
error = TRUE;
for (j = 0; j < ms->num_streams; j++)
for (k = 0; k < num_windows[j]; k++)
if (temp_stream_win[j][k] == NULL)
error = TRUE;
for (j = 0; j < ms->num_streams; j++)
if (temp_stream_pdf[j] == NULL)
error = TRUE;
/* prepare memory */
if (i == 0) {
ms->duration = (HTS_Model *) HTS_calloc(num_voices, sizeof(HTS_Model));
for (j = 0; j < num_voices; j++)
HTS_Model_initialize(&ms->duration[j]);
ms->window = (HTS_Window *) HTS_calloc(ms->num_streams, sizeof(HTS_Window));
for (j = 0; j < ms->num_streams; j++)
HTS_Window_initialize(&ms->window[j]);
ms->stream = (HTS_Model **) HTS_calloc(num_voices, sizeof(HTS_Model *));
for (j = 0; j < num_voices; j++) {
ms->stream[j] = (HTS_Model *) HTS_calloc(ms->num_streams, sizeof(HTS_Model));
for (k = 0; k < ms->num_streams; k++)
HTS_Model_initialize(&ms->stream[j][k]);
}
ms->gv = (HTS_Model **) HTS_calloc(num_voices, sizeof(HTS_Model *));
for (j = 0; j < num_voices; j++) {
ms->gv[j] = (HTS_Model *) HTS_calloc(ms->num_streams, sizeof(HTS_Model));
for (k = 0; k < ms->num_streams; k++)
HTS_Model_initialize(&ms->gv[j][k]);
}
}
start_of_data = HTS_ftell(fp);
/* load duration */
pdf_fp = NULL;
tree_fp = NULL;
matched_size = 0;
if (HTS_get_token_from_string_with_separator(temp_duration_pdf, &matched_size, buff2, '-') == TRUE) {
s = (size_t) atoi(buff2);
e = (size_t) atoi(&temp_duration_pdf[matched_size]);
HTS_fseek(fp, (long) s, SEEK_CUR);
pdf_fp = HTS_fopen_from_fp(fp, e - s + 1);
HTS_fseek(fp, start_of_data, SEEK_SET);
}
matched_size = 0;
if (HTS_get_token_from_string_with_separator(temp_duration_tree, &matched_size, buff2, '-') == TRUE) {
s = (size_t) atoi(buff2);
e = (size_t) atoi(&temp_duration_tree[matched_size]);
HTS_fseek(fp, (long) s, SEEK_CUR);
tree_fp = HTS_fopen_from_fp(fp, e - s + 1);
HTS_fseek(fp, start_of_data, SEEK_SET);
}
if (HTS_Model_load(&ms->duration[i], pdf_fp, tree_fp, ms->num_states, 1, FALSE) != TRUE)
error = TRUE;
HTS_fclose(pdf_fp);
HTS_fclose(tree_fp);
/* load windows */
for (j = 0; j < ms->num_streams; j++) {
win_fp = (HTS_File **) HTS_calloc(num_windows[j], sizeof(HTS_File *));
for (k = 0; k < num_windows[j]; k++)
win_fp[k] = NULL;
for (k = 0; k < num_windows[j]; k++) {
matched_size = 0;
if (HTS_get_token_from_string_with_separator(temp_stream_win[j][k], &matched_size, buff2, '-') == TRUE) {
s = (size_t) atoi(buff2);
e = (size_t) atoi(&temp_stream_win[j][k][matched_size]);
HTS_fseek(fp, (long) s, SEEK_CUR);
win_fp[k] = HTS_fopen_from_fp(fp, e - s + 1);
HTS_fseek(fp, start_of_data, SEEK_SET);
}
}
if (HTS_Window_load(&ms->window[j], win_fp, num_windows[j]) != TRUE)
error = TRUE;
for (k = 0; k < num_windows[j]; k++)
HTS_fclose(win_fp[k]);
free(win_fp);
}
/* load streams */
for (j = 0; j < ms->num_streams; j++) {
pdf_fp = NULL;
tree_fp = NULL;
matched_size = 0;
if (HTS_get_token_from_string_with_separator(temp_stream_pdf[j], &matched_size, buff2, '-') == TRUE) {
s = (size_t) atoi(buff2);
e = (size_t) atoi(&temp_stream_pdf[j][matched_size]);
HTS_fseek(fp, (long) s, SEEK_CUR);
pdf_fp = HTS_fopen_from_fp(fp, e - s + 1);
HTS_fseek(fp, start_of_data, SEEK_SET);
}
matched_size = 0;
if (HTS_get_token_from_string_with_separator(temp_stream_tree[j], &matched_size, buff2, '-') == TRUE) {
s = (size_t) atoi(buff2);
e = (size_t) atoi(&temp_stream_tree[j][matched_size]);
HTS_fseek(fp, (long) s, SEEK_CUR);
tree_fp = HTS_fopen_from_fp(fp, e - s + 1);
HTS_fseek(fp, start_of_data, SEEK_SET);
}
if (HTS_Model_load(&ms->stream[i][j], pdf_fp, tree_fp, vector_length[j], num_windows[j], is_msd[j]) != TRUE)
error = TRUE;
HTS_fclose(pdf_fp);
HTS_fclose(tree_fp);
}
/* load GVs */
for (j = 0; j < ms->num_streams; j++) {
pdf_fp = NULL;
tree_fp = NULL;
matched_size = 0;
if (HTS_get_token_from_string_with_separator(temp_gv_pdf[j], &matched_size, buff2, '-') == TRUE) {
s = (size_t) atoi(buff2);
e = (size_t) atoi(&temp_gv_pdf[j][matched_size]);
HTS_fseek(fp, (long) s, SEEK_CUR);
pdf_fp = HTS_fopen_from_fp(fp, e - s + 1);
HTS_fseek(fp, start_of_data, SEEK_SET);
}
matched_size = 0;
if (HTS_get_token_from_string_with_separator(temp_gv_tree[j], &matched_size, buff2, '-') == TRUE) {
s = (size_t) atoi(buff2);
e = (size_t) atoi(&temp_gv_tree[j][matched_size]);
HTS_fseek(fp, (long) s, SEEK_CUR);
tree_fp = HTS_fopen_from_fp(fp, e - s + 1);
HTS_fseek(fp, start_of_data, SEEK_SET);
}
if (use_gv[j] == TRUE) {
if (HTS_Model_load(&ms->gv[i][j], pdf_fp, tree_fp, vector_length[j], 1, FALSE) != TRUE)
error = TRUE;
}
HTS_fclose(pdf_fp);
HTS_fclose(tree_fp);
}
/* free */
if (temp_duration_pdf != NULL)
free(temp_duration_pdf);
if (temp_duration_tree != NULL)
free(temp_duration_tree);
for (j = 0; j < ms->num_streams; j++) {
for (k = 0; k < num_windows[j]; k++)
if (temp_stream_win[j][k] != NULL)
free(temp_stream_win[j][k]);
free(temp_stream_win[j]);
}
free(temp_stream_win);
for (j = 0; j < ms->num_streams; j++)
if (temp_stream_pdf[j] != NULL)
free(temp_stream_pdf[j]);
free(temp_stream_pdf);
for (j = 0; j < ms->num_streams; j++)
if (temp_stream_tree[j] != NULL)
free(temp_stream_tree[j]);
free(temp_stream_tree);
for (j = 0; j < ms->num_streams; j++)
if (temp_gv_pdf[j] != NULL)
free(temp_gv_pdf[j]);
free(temp_gv_pdf);
for (j = 0; j < ms->num_streams; j++)
if (temp_gv_tree[j] != NULL)
free(temp_gv_tree[j]);
free(temp_gv_tree);
/* fclose */
HTS_fclose(fp);
if (error != FALSE)
break;
}
if (gv_off_context != NULL) {
sprintf(buff1, "GV-Off { %s }", gv_off_context);
gv_off_context_fp = HTS_fopen_from_data((void *) buff1, strlen(buff1) + 1);
ms->gv_off_context = (HTS_Question *) HTS_calloc(1, sizeof(HTS_Question));
HTS_Question_initialize(ms->gv_off_context);
HTS_Question_load(ms->gv_off_context, gv_off_context_fp);
HTS_fclose(gv_off_context_fp);
free(gv_off_context);
}
if (stream_type_list != NULL) {
for (i = 0; i < ms->num_streams; i++)
if (stream_type_list[i] != NULL)
free(stream_type_list[i]);
free(stream_type_list);
}
if (vector_length != NULL)
free(vector_length);
if (is_msd != NULL)
free(is_msd);
if (num_windows != NULL)
free(num_windows);
if (use_gv != NULL)
free(use_gv);
return !error;
}
/* HTS_ModelSet_get_sampling_frequency: get sampling frequency of HTS voices */
size_t HTS_ModelSet_get_sampling_frequency(HTS_ModelSet * ms)
{
return ms->sampling_frequency;
}
/* HTS_ModelSet_get_fperiod: get frame period of HTS voices */
size_t HTS_ModelSet_get_fperiod(HTS_ModelSet * ms)
{
return ms->frame_period;
}
/* HTS_ModelSet_get_fperiod: get stream option */
const char *HTS_ModelSet_get_option(HTS_ModelSet * ms, size_t stream_index)
{
return ms->option[stream_index];
}
/* HTS_ModelSet_get_gv_flag: get GV flag */
HTS_Boolean HTS_ModelSet_get_gv_flag(HTS_ModelSet * ms, const char *string)
{
if (ms->gv_off_context == NULL)
return TRUE;
else if (HTS_Question_match(ms->gv_off_context, string) == TRUE)
return FALSE;
else
return TRUE;
}
/* HTS_ModelSet_get_nstate: get number of state */
size_t HTS_ModelSet_get_nstate(HTS_ModelSet * ms)
{
return ms->num_states;
}
/* HTS_ModelSet_get_nstream: get number of stream */
size_t HTS_ModelSet_get_nstream(HTS_ModelSet * ms)
{
return ms->num_streams;
}
/* HTS_ModelSet_get_nvoices: get number of stream */
size_t HTS_ModelSet_get_nvoices(HTS_ModelSet * ms)
{
return ms->num_voices;
}
/* HTS_ModelSet_get_vector_length: get vector length */
size_t HTS_ModelSet_get_vector_length(HTS_ModelSet * ms, size_t stream_index)
{
return ms->stream[0][stream_index].vector_length;
}
/* HTS_ModelSet_is_msd: get MSD flag */
HTS_Boolean HTS_ModelSet_is_msd(HTS_ModelSet * ms, size_t stream_index)
{
return ms->stream[0][stream_index].is_msd;
}
/* HTS_ModelSet_get_window_size: get dynamic window size */
size_t HTS_ModelSet_get_window_size(HTS_ModelSet * ms, size_t stream_index)
{
return ms->window[stream_index].size;
}
/* HTS_ModelSet_get_window_left_width: get left width of dynamic window */
int HTS_ModelSet_get_window_left_width(HTS_ModelSet * ms, size_t stream_index, size_t window_index)
{
return ms->window[stream_index].l_width[window_index];
}
/* HTS_ModelSet_get_window_right_width: get right width of dynamic window */
int HTS_ModelSet_get_window_right_width(HTS_ModelSet * ms, size_t stream_index, size_t window_index)
{
return ms->window[stream_index].r_width[window_index];
}
/* HTS_ModelSet_get_window_coefficient: get coefficient of dynamic window */
double HTS_ModelSet_get_window_coefficient(HTS_ModelSet * ms, size_t stream_index, size_t window_index, size_t coefficient_index)
{
return ms->window[stream_index].coefficient[window_index][coefficient_index];
}
/* HTS_ModelSet_get_window_max_width: get max width of dynamic window */
size_t HTS_ModelSet_get_window_max_width(HTS_ModelSet * ms, size_t stream_index)
{
return ms->window[stream_index].max_width;
}
/* HTS_ModelSet_use_gv: get GV flag */
HTS_Boolean HTS_ModelSet_use_gv(HTS_ModelSet * ms, size_t stream_index)
{
if (ms->gv[0][stream_index].vector_length != 0)
return TRUE;
else
return FALSE;
}
/* HTS_Model_add_parameter: get parameter using interpolation weight */
static void HTS_Model_add_parameter(HTS_Model * model, size_t state_index, const char *string, double *mean, double *vari, double *msd, double weight)
{
size_t i;
size_t tree_index, pdf_index;
size_t len = model->vector_length * model->num_windows;
HTS_Model_get_index(model, state_index, string, &tree_index, &pdf_index);
for (i = 0; i < len; i++) {
mean[i] += weight * model->pdf[tree_index][pdf_index][i];
vari[i] += weight * model->pdf[tree_index][pdf_index][i + len];
}
if (msd != NULL && model->is_msd == TRUE)
*msd += weight * model->pdf[tree_index][pdf_index][len + len];
}
/* HTS_ModelSet_get_duration_index: get duration PDF & tree index */
void HTS_ModelSet_get_duration_index(HTS_ModelSet * ms, size_t voice_index, const char *string, size_t * tree_index, size_t * pdf_index)
{
HTS_Model_get_index(&ms->duration[voice_index], 2, string, tree_index, pdf_index);
}
/* HTS_ModelSet_get_duration: get duration using interpolation weight */
void HTS_ModelSet_get_duration(HTS_ModelSet * ms, const char *string, const double *iw, double *mean, double *vari)
{
size_t i;
size_t len = ms->num_states;
for (i = 0; i < len; i++) {
mean[i] = 0.0;
vari[i] = 0.0;
}
for (i = 0; i < ms->num_voices; i++)
if (iw[i] != 0.0)
HTS_Model_add_parameter(&ms->duration[i], 2, string, mean, vari, NULL, iw[i]);
}
/* HTS_ModelSet_get_parameter_index: get paramter PDF & tree index */
void HTS_ModelSet_get_parameter_index(HTS_ModelSet * ms, size_t voice_index, size_t stream_index, size_t state_index, const char *string, size_t * tree_index, size_t * pdf_index)
{
HTS_Model_get_index(&ms->stream[voice_index][stream_index], state_index, string, tree_index, pdf_index);
}
/* HTS_ModelSet_get_parameter: get parameter using interpolation weight */
void HTS_ModelSet_get_parameter(HTS_ModelSet * ms, size_t stream_index, size_t state_index, const char *string, const double *iw, double *mean, double *vari, double *msd)
{
size_t i;
size_t len = ms->stream[0][stream_index].vector_length * ms->stream[0][stream_index].num_windows;
for (i = 0; i < len; i++) {
mean[i] = 0.0;
vari[i] = 0.0;
}
if (msd != NULL)
*msd = 0.0;
for (i = 0; i < ms->num_voices; i++)
if (iw[i] != 0.0)
HTS_Model_add_parameter(&ms->stream[i][stream_index], state_index, string, mean, vari, msd, iw[i]);
}
/* HTS_ModelSet_get_gv_index: get gv PDF & tree index */
void HTS_ModelSet_get_gv_index(HTS_ModelSet * ms, size_t voice_index, size_t stream_index, const char *string, size_t * tree_index, size_t * pdf_index)
{
HTS_Model_get_index(&ms->gv[voice_index][stream_index], 2, string, tree_index, pdf_index);
}
/* HTS_ModelSet_get_gv: get GV using interpolation weight */
void HTS_ModelSet_get_gv(HTS_ModelSet * ms, size_t stream_index, const char *string, const double *iw, double *mean, double *vari)
{
size_t i;
size_t len = ms->stream[0][stream_index].vector_length;
for (i = 0; i < len; i++) {
mean[i] = 0.0;
vari[i] = 0.0;
}
for (i = 0; i < ms->num_voices; i++)
if (iw[i] != 0.0)
HTS_Model_add_parameter(&ms->gv[i][stream_index], 2, string, mean, vari, NULL, iw[i]);
}
HTS_MODEL_C_END;
#endif /* !HTS_MODEL_C */
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