/**
* Top function to read word list via file pointer
*
* @param fp [in] file pointer
* @param winfo [out] pointer to word dictionary to store the read data.
* @param hmminfo [in] HTK %HMM definition data. if NULL, phonemes are ignored.
* @param headphone [in] word head silence model name
* @param tailphone [in] word tail silence model name
* @param contextphone [in] silence context name to be used at head and tail
*
* @return TRUE on success, FALSE on any error word.
*/
boolean
voca_load_wordlist_fp(FILE *fp, WORD_INFO *winfo, HTK_HMM_INFO *hmminfo, char *headphone, char *tailphone, char *contextphone)
{
boolean ret;
voca_load_start(winfo, hmminfo, FALSE);
while (getl_fp(buf, sizeof(buf), fp) != NULL) {
if (voca_load_word_line(buf, winfo, hmminfo, headphone, tailphone, contextphone) == FALSE) break;
}
ret = voca_load_end(winfo);
return(ret);
}
/**
* Top function to read word dictionary via normal file pointer.
*
* @param fp [in] file pointer
* @param winfo [out] pointer to word dictionary to store the read data.
* @param hmminfo [in] HTK %HMM definition data. if NULL, phonemes are ignored.
* @param ignore_tri_conv [in] TRUE if triphone conversion is ignored
*
* @return TRUE on success, FALSE on any error word.
*/
boolean
voca_load_htkdict_fp(FILE *fp, WORD_INFO *winfo, HTK_HMM_INFO *hmminfo, boolean ignore_tri_conv)
{
boolean ret;
voca_load_start(winfo, hmminfo, ignore_tri_conv);
while(getl_fp(buf, MAXLINELEN, fp) != NULL) {
if (voca_load_line(buf, winfo, hmminfo) == FALSE) break;
}
ret = voca_load_end(winfo);
return(ret);
}
/**
* Append a single entry to the existing word dictionary.
*
* @param entry [in] dictionary entry string to be appended.
* @param winfo [out] pointer to word dictionary to append the data.
* @param hmminfo [in] HTK %HMM definition data. if NULL, phonemes are ignored.
* @param ignore_tri_conv [in] TRUE if triphone conversion is ignored
*
* @return TRUE on success, FALSE on any error word.
*/
boolean
voca_append_htkdict(char *entry, WORD_INFO *winfo, HTK_HMM_INFO *hmminfo, boolean ignore_tri_conv)
{
voca_load_line(entry, winfo, hmminfo);
return(voca_load_end(winfo));
}
/**
* <JA>
* @brief 単語辞書をファイルから読み込んでセットアップする.
*
* 辞書上のモノフォン表記からトライフォンへの計算は init_voca() で
* 読み込み時に行われる. このため，辞書読み込み時には，認識で使用する
* 予定のHMM情報を与える必要がある.
*
* N-gram 使用時は，文頭無音単語およぶ文末無音単語をここで設定する.
* また，"-iwspword" 指定時は，ポーズ単語を辞書の最後に挿入する.
*
* </JA>
* <EN>
* @brief Read in word dictionary from a file and setup for recognition.
*
* Monophone-to-triphone conversion will be performed inside init_voca().
* So, an HMM definition data that will be used with the LM should also be
* specified as an argument.
*
* When reading dictionary for N-gram, sentence head silence word and
* tail silence word will be determined in this function. Also,
* when an option "-iwspword" is specified, this will insert a pause
* word at the last of the given dictionary.
*
* </EN>
*
* @param lmconf [in] LM configuration variables
* @param hmminfo [in] HMM definition of each phone in dictionary, for
* phone checking and monophone-to-triphone conversion.
*
* @return the newly created word dictionary structure, or NULL on failure.
*
*/
static WORD_INFO *
initialize_dict(JCONF_LM *lmconf, HTK_HMM_INFO *hmminfo)
{
WORD_INFO *winfo;
JCONF_LM_NAMELIST *nl;
char buf[MAXLINELEN];
int n;
/* allocate new word dictionary */
winfo = word_info_new();
/* read in dictinary from file */
if ( !
#ifdef MONOTREE
/* leave winfo monophone for 1st pass lexicon tree */
init_voca(winfo, lmconf->dictfilename, hmminfo, TRUE, lmconf->forcedict_flag)
#else
init_voca(winfo, lmconf->dictfilename, hmminfo, FALSE, lmconf->forcedict_flag)
#endif
) {
jlog("ERROR: m_fusion: failed to read dictionary, terminated\n");
word_info_free(winfo);
return NULL;
}
/* load additional entries */
for (nl = lmconf->additional_dict_files; nl; nl=nl->next) {
FILE *fp;
if ((fp = fopen(nl->name, "rb")) == NULL) {
jlog("ERROR: m_fusion: failed to open %s\n",nl->name);
word_info_free(winfo);
return NULL;
}
n = winfo->num;
while (getl_fp(buf, MAXLINELEN, fp) != NULL) {
if (voca_load_line(buf, winfo, hmminfo) == FALSE) break;
}
if (voca_load_end(winfo) == FALSE) {
if (lmconf->forcedict_flag) {
jlog("Warning: m_fusion: the error words above are ignored\n");
} else {
jlog("ERROR: m_fusion: error in reading dictionary %s\n", nl->name);
fclose(fp);
word_info_free(winfo);
return NULL;
}
}
if (fclose(fp) == -1) {
jlog("ERROR: m_fusion: failed to close %s\n", nl->name);
word_info_free(winfo);
return NULL;
}
jlog("STAT: + additional dictionary: %s (%d words)\n", nl->name, winfo->num - n);
}
n = winfo->num;
for (nl = lmconf->additional_dict_entries; nl; nl=nl->next) {
if (voca_load_line(nl->name, winfo, hmminfo) == FALSE) {
jlog("ERROR: m_fusion: failed to set entry: %s\n", nl->name);
}
}
if (lmconf->additional_dict_entries) {
if (voca_load_end(winfo) == FALSE) {
jlog("ERROR: m_fusion: failed to read additinoal word entry\n");
word_info_free(winfo);
return NULL;
}
jlog("STAT: + additional entries: %d words\n", winfo->num - n);
}
if (lmconf->lmtype == LM_PROB) {
/* if necessary, append a IW-sp word to the dict if "-iwspword" specified */
if (lmconf->enable_iwspword) {
if (
#ifdef MONOTREE
voca_append_htkdict(lmconf->iwspentry, winfo, hmminfo, TRUE)
#else
voca_append_htkdict(lmconf->iwspentry, winfo, hmminfo, FALSE)
#endif
== FALSE) {
jlog("ERROR: m_fusion: failed to make IW-sp word entry \"%s\"\n", lmconf->iwspentry);
word_info_free(winfo);
return NULL;
} else {
jlog("STAT: 1 IW-sp word entry added\n");
}
}
/* set {head,tail}_silwid */
winfo->head_silwid = voca_lookup_wid(lmconf->head_silname, winfo);
if (winfo->head_silwid == WORD_INVALID) { /* not exist */
jlog("ERROR: m_fusion: head sil word \"%s\" not exist in voca\n", lmconf->head_silname);
word_info_free(winfo);
return NULL;
}
winfo->tail_silwid = voca_lookup_wid(lmconf->tail_silname, winfo);
if (winfo->tail_silwid == WORD_INVALID) { /* not exist */
jlog("ERROR: m_fusion: tail sil word \"%s\" not exist in voca\n", lmconf->tail_silname);
word_info_free(winfo);
return NULL;
}
}
return(winfo);
}
