int ofxSphinxASR::engineClose()
{
bEngineOpened = false;
if (! bEngineInitialed)
return OFXASR_SUCCESS;
s3_decode_end_utt(decoder);
return OFXASR_SUCCESS;
}
static void
utt_livepretend(void *data, utt_res_t * ur, int32 sf, int32 ef,
char *uttid)
{
char fullrawfn[FILENAME_LENGTH];
char *hypstr;
short samples[SAMPLE_BUFFER_LENGTH];
float32 **frames;
kb_t *kb;
FILE *rawfd;
int len, n_frames;
kb = (kb_t *) data;
/* report_utt_res(ur); */
sprintf(fullrawfn, "%s/%s%s", rawdirfn, ur->uttfile, decoder.rawext);
if ((rawfd = fopen(fullrawfn, "rb")) == NULL) {
E_FATAL("Cannnot open raw file %s.\n", fullrawfn);
}
/* temporary hack */
/* fread(waveheader, 1, 44, rawfd); */
if (ur->lmname != NULL)
srch_set_lm((srch_t *) kb->srch, ur->lmname);
if (ur->regmatname != NULL)
kb_setmllr(ur->regmatname, ur->cb2mllrname, kb);
if (s3_decode_begin_utt(&decoder, ur->uttfile) != S3_DECODE_SUCCESS)
E_FATAL("Cannot begin utterance decoding.\n");
len = fread(samples, sizeof(short), SAMPLE_BUFFER_LENGTH, rawfd);
while (len > 0) {
ptmr_start(&(st->tm));
fe_process_utt(fe, samples, len, &frames, &n_frames);
if (frames != NULL) {
s3_decode_process(&decoder, frames, n_frames);
ckd_free_2d((void **)frames);
}
ptmr_stop(&(st->tm));
if (S3_DECODE_SUCCESS ==
s3_decode_hypothesis(&decoder, NULL, &hypstr, NULL))
if (decoder.phypdump)
E_INFO("PARTIAL_HYP: %s\n", hypstr);
len = fread(samples, sizeof(short), SAMPLE_BUFFER_LENGTH, rawfd);
}
fclose(rawfd);
s3_decode_end_utt(&decoder);
}
static void
utt_livepretend(void *data, utt_res_t * ur, int32 sf, int32 ef,
char *uttid)
{
char fullrawfn[FILENAME_LENGTH];
char *hypstr;
cont_ad_t *cont_ad;
ad_rec_t bogus_ad;
short samples[SAMPLE_BUFFER_LENGTH];
float32 **frames;
kb_t *kb;
int nread, n_frames, seg_n_frames;
int ts, listening;
kb = (kb_t *) data;
/* report_utt_res(ur); */
sprintf(fullrawfn, "%s/%s%s", rawdirfn, ur->uttfile, decoder.rawext);
if ((rawfd = fopen(fullrawfn, "rb")) == NULL) {
E_FATAL("Cannnot open raw file %s.\n", fullrawfn);
}
if (ur->lmname != NULL)
srch_set_lm((srch_t *) kb->srch, ur->lmname);
if (ur->regmatname != NULL)
kb_setmllr(ur->regmatname, ur->cb2mllrname, kb);
bogus_ad.sps = (int32) cmd_ln_float32_r(kb->kbcore->config, "-samprate");
if ((cont_ad = cont_ad_init(&bogus_ad, ad_file_read)) == NULL) {
E_FATAL("Failed to initialize energy-based endpointer");
}
listening = 0;
ts = 0;
seg_n_frames = 0;
while ((nread = cont_ad_read(cont_ad, samples, SAMPLE_BUFFER_LENGTH))
>= 0) {
if (nread) {
ts = cont_ad->read_ts;
if (!listening) {
char uttid[FILENAME_LENGTH];
sprintf(uttid, "%s_%.3f", ur->uttfile,
(double) ts / bogus_ad.sps);
if (s3_decode_begin_utt(&decoder, uttid) != S3_DECODE_SUCCESS)
E_FATAL("Cannot begin utterance decoding.\n");
listening = 1;
}
ptmr_start(&(st->tm));
fe_process_utt(fe, samples, nread, &frames, &n_frames);
seg_n_frames += n_frames;
if (frames != NULL) {
s3_decode_process(&decoder, frames, n_frames);
ckd_free_2d((void **)frames);
}
ptmr_stop(&(st->tm));
if (s3_decode_hypothesis(&decoder, NULL, &hypstr, NULL) ==
S3_DECODE_SUCCESS) {
if (decoder.phypdump) {
E_INFO("PARTIAL_HYP: %s\n", hypstr);
}
}
/* If the segment is too long, break it. */
if (seg_n_frames > 15000) {
s3_decode_end_utt(&decoder);
listening = 0;
}
}
else {
if (listening && cont_ad->read_ts - ts > 8000) { /* HACK */
s3_decode_end_utt(&decoder);
listening = 0;
}
}
}
fclose(rawfd);
cont_ad_close(cont_ad);
if (listening)
s3_decode_end_utt(&decoder);
}
