static void
do_search(ps_search_t *search, acmod_t *acmod)
{
FILE *rawfh;
int16 buf[2048];
size_t nread;
int16 const *bptr;
int nfr;
TEST_ASSERT(rawfh = fopen(DATADIR "/goforward.raw", "rb"));
TEST_EQUAL(0, acmod_start_utt(acmod));
ps_search_start(search);
while (!feof(rawfh)) {
nread = fread(buf, sizeof(*buf), 2048, rawfh);
bptr = buf;
while ((nfr = acmod_process_raw(acmod, &bptr, &nread, FALSE)) > 0) {
while (acmod->n_feat_frame > 0) {
ps_search_step(search, acmod->output_frame);
acmod_advance(acmod);
}
}
}
ps_search_finish(search);
TEST_ASSERT(acmod_end_utt(acmod) >= 0);
fclose(rawfh);
}
int
main(int argc, char *argv[])
{
ps_decoder_t *ps;
cmd_ln_t *config;
acmod_t *acmod;
ps_search_t *ngs, *pls;
clock_t c;
int32 score;
int i;
TEST_ASSERT(config =
cmd_ln_init(NULL, ps_args(), TRUE,
"-hmm", MODELDIR "/hmm/en_US/hub4wsj_sc_8k",
"-lm", MODELDIR "/lm/en_US/wsj0vp.5000.DMP",
"-dict", MODELDIR "/lm/en_US/cmu07a.dic",
"-fwdtree", "yes",
"-fwdflat", "no",
"-bestpath", "no",
"-pl_window", "6",
"-input_endian", "little",
"-samprate", "16000", NULL));
TEST_ASSERT(ps = ps_init(config));
ngs = ps->search;
pls = ps->phone_loop;
acmod = ps->acmod;
setbuf(stdout, NULL);
c = clock();
for (i = 0; i < 5; ++i) {
FILE *rawfh;
int16 buf[2048];
size_t nread;
int16 const *bptr;
int nfr, n_searchfr;
TEST_ASSERT(rawfh = fopen(DATADIR "/goforward.raw", "rb"));
TEST_EQUAL(0, acmod_start_utt(acmod));
ps_search_start(ngs);
ps_search_start(pls);
n_searchfr = 0;
while (!feof(rawfh)) {
nread = fread(buf, sizeof(*buf), 2048, rawfh);
bptr = buf;
while ((nfr = acmod_process_raw(acmod, &bptr, &nread, FALSE)) > 0) {
while (acmod->n_feat_frame > 0) {
ps_search_step(pls, n_searchfr);
if (n_searchfr >= 6)
ps_search_step(ngs, n_searchfr - 6);
acmod_advance(acmod);
++n_searchfr;
}
}
}
for (nfr = n_searchfr - 6; nfr < n_searchfr; ++nfr) {
ps_search_step(ngs, nfr);
}
ps_search_finish(pls);
ps_search_finish(ngs);
printf("%s\n", ps_search_hyp(ngs, &score));
TEST_ASSERT(acmod_end_utt(acmod) >= 0);
fclose(rawfh);
}
printf("%s\n", ps_search_hyp(ngs, &score));
TEST_EQUAL(0, strcmp("go forward ten years", ps_search_hyp(ngs, &score)));
c = clock() - c;
printf("5 * fwdtree search in %.2f sec\n",
(double)c / CLOCKS_PER_SEC);
ps_free(ps);
return 0;
}
int
ps_start_utt(ps_decoder_t *ps)
{
int rv;
char uttid[16];
if (ps->search == NULL) {
E_ERROR("No search module is selected, did you forget to "
"specify a language model or grammar?\n");
return -1;
}
ptmr_reset(&ps->perf);
ptmr_start(&ps->perf);
sprintf(uttid, "%09u", ps->uttno);
++ps->uttno;
/* Remove any residual word lattice and hypothesis. */
ps_lattice_free(ps->search->dag);
ps->search->dag = NULL;
ps->search->last_link = NULL;
ps->search->post = 0;
ckd_free(ps->search->hyp_str);
ps->search->hyp_str = NULL;
if ((rv = acmod_start_utt(ps->acmod)) < 0)
return rv;
/* Start logging features and audio if requested. */
if (ps->mfclogdir) {
char *logfn = string_join(ps->mfclogdir, "/",
uttid, ".mfc", NULL);
FILE *mfcfh;
E_INFO("Writing MFCC log file: %s\n", logfn);
if ((mfcfh = fopen(logfn, "wb")) == NULL) {
E_ERROR_SYSTEM("Failed to open MFCC log file %s", logfn);
ckd_free(logfn);
return -1;
}
ckd_free(logfn);
acmod_set_mfcfh(ps->acmod, mfcfh);
}
if (ps->rawlogdir) {
char *logfn = string_join(ps->rawlogdir, "/",
uttid, ".raw", NULL);
FILE *rawfh;
E_INFO("Writing raw audio log file: %s\n", logfn);
if ((rawfh = fopen(logfn, "wb")) == NULL) {
E_ERROR_SYSTEM("Failed to open raw audio log file %s", logfn);
ckd_free(logfn);
return -1;
}
ckd_free(logfn);
acmod_set_rawfh(ps->acmod, rawfh);
}
if (ps->senlogdir) {
char *logfn = string_join(ps->senlogdir, "/",
uttid, ".sen", NULL);
FILE *senfh;
E_INFO("Writing senone score log file: %s\n", logfn);
if ((senfh = fopen(logfn, "wb")) == NULL) {
E_ERROR_SYSTEM("Failed to open senone score log file %s", logfn);
ckd_free(logfn);
return -1;
}
ckd_free(logfn);
acmod_set_senfh(ps->acmod, senfh);
}
/* Start auxiliary phone loop search. */
if (ps->phone_loop)
ps_search_start(ps->phone_loop);
return ps_search_start(ps->search);
}
