/**
* @brief Top function to adjust parameter.
*
* It compares the types for the given parameter @a param and
* %HMM definition @a hmminfo. If type is not the same, adjustment will be
* tried.
*
* @param hmminfo [in] HTK %HMM definition
* @param param [i/o] input parameter, will be freed if adjustment was
* performed in this function
* @param vflag [in] if TRUE, output verbose messages
*
* @return 1 on success, 0 if no adjustment needed, or -1 on failure (in case
* parameter type does not match even by the adjustment).
*/
int
param_check_and_adjust(HTK_HMM_INFO *hmminfo, HTK_Param *param, boolean vflag)
{
char pbuf[80],hbuf[80];
param_code2str(pbuf, (short)(param->header.samptype & ~(F_COMPRESS | F_CHECKSUM)), FALSE);
param_code2str(hbuf, hmminfo->opt.param_type, FALSE);
if (!check_param_basetype(hmminfo, param)) {
/* error if base type not match */
jlog("Error: paramselect: incompatible parameter type\n");
jlog("Error: paramselect: HMM trained by %s(%d)\n", hbuf, hmminfo->opt.vec_size);
jlog("Error: paramselect: input parameter is %s(%d)\n", pbuf, param->veclen);
return -1;
}
if (!check_param_coherence(hmminfo, param)) {
/* try to select needed parameter vector */
if (vflag) jlog("Stat: paramselect: attaching %s\n", pbuf);
if (select_param_kind(param, hmminfo->opt.param_type) == FALSE) {
if (vflag) jlog("Error: paramselect: failed to attach to %s\n", hbuf);
jlog("Error: paramselect: incompatible parameter type\n");
jlog("Error: paramselect: HMM trained by %s(%d)\n", hbuf, hmminfo->opt.vec_size);
jlog("Error: paramselect: input parameter is %s(%d)\n", pbuf, param->veclen);
return -1;
}
param_code2str(pbuf, param->header.samptype, FALSE);
if (vflag) jlog("Stat: paramselect: attached to %s\n", pbuf);
return(1);
}
return(0);
}
/**
* <JA>
* @brief 第1パス平行認識処理の準備
*
* 計算用変数をリセットし，各種データを準備する.
* この関数は，ある入力（あるいはセグメント）の認識が
* 始まる前に呼ばれる.
*
* </JA>
* <EN>
* @brief Preparation for the on-the-fly 1st pass decoding.
*
* Variables are reset and data are prepared for the next input recognition.
*
* This function will be called before starting each input (segment).
*
* </EN>
*
* @param recog [i/o] engine instance
*
* @return TRUE on success. FALSE on failure.
*
* @callgraph
* @callergraph
*
*/
boolean
RealTimePipeLinePrepare(Recog *recog)
{
RealBeam *r;
PROCESS_AM *am;
MFCCCalc *mfcc;
#ifdef SPSEGMENT_NAIST
RecogProcess *p;
#endif
r = &(recog->real);
/* 計算用の変数を初期化 */
/* initialize variables for computation */
r->windownum = 0;
/* parameter check */
for(mfcc = recog->mfcclist; mfcc; mfcc = mfcc->next) {
/* パラメータ初期化 */
/* parameter initialization */
if (recog->jconf->input.speech_input == SP_MFCMODULE) {
if (mfc_module_set_header(mfcc, recog) == FALSE) return FALSE;
} else {
init_param(mfcc);
}
/* フレームごとのパラメータベクトル保存の領域を確保 */
/* あとで必要に応じて伸長される */
if (param_alloc(mfcc->param, 1, mfcc->param->veclen) == FALSE) {
j_internal_error("ERROR: segmented: failed to allocate memory for rest param\n");
}
/* フレーム数をリセット */
/* reset frame count */
mfcc->f = 0;
}
/* 準備した param 構造体のデータのパラメータ型を音響モデルとチェックする */
/* check type coherence between param and hmminfo here */
if (recog->jconf->input.paramtype_check_flag) {
for(am=recog->amlist;am;am=am->next) {
if (!check_param_coherence(am->hmminfo, am->mfcc->param)) {
jlog("ERROR: input parameter type does not match AM\n");
return FALSE;
}
}
}
/* 計算用のワークエリアを準備 */
/* prepare work area for calculation */
if (recog->jconf->input.type == INPUT_WAVEFORM) {
reset_mfcc(recog);
}
/* 音響尤度計算用キャッシュを準備 */
/* prepare cache area for acoustic computation of HMM states and mixtures */
for(am=recog->amlist;am;am=am->next) {
outprob_prepare(&(am->hmmwrk), r->maxframelen);
}
#ifdef BACKEND_VAD
if (recog->jconf->decodeopt.segment) {
/* initialize segmentation parameters */
spsegment_init(recog);
}
#else
recog->triggered = FALSE;
#endif
#ifdef DEBUG_VTLN_ALPHA_TEST
/* store speech */
recog->speechlen = 0;
#endif
return TRUE;
}
