100 lines
2.5 KiB
C
100 lines
2.5 KiB
C
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#include <pocketsphinx.h>
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#include <stdio.h>
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#include <string.h>
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#include <time.h>
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#include "pocketsphinx_internal.h"
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#include "fsg_search_internal.h"
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#include "ps_lattice_internal.h"
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#include "test_macros.h"
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int
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main(int argc, char *argv[])
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{
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ps_decoder_t *ps;
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cmd_ln_t *config;
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acmod_t *acmod;
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fsg_search_t *fsgs;
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ps_lattice_t *dag;
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ps_seg_t *seg;
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int32 score;
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ps_latlink_t *link;
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TEST_ASSERT(config =
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cmd_ln_init(NULL, ps_args(), TRUE,
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"-hmm", MODELDIR "/en-us/en-us",
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"-fsg", DATADIR "/goforward.fsg",
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"-dict", DATADIR "/turtle.dic",
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"-bestpath", "no",
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"-input_endian", "little",
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"-samprate", "16000", NULL));
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TEST_ASSERT(ps = ps_init(config));
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fsgs = (fsg_search_t *)ps->search;
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acmod = ps->acmod;
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setbuf(stdout, NULL);
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{
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FILE *rawfh;
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int16 buf[2048];
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size_t nread;
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int16 const *bptr;
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char const *hyp;
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int nfr;
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TEST_ASSERT(rawfh = fopen(DATADIR "/something.raw", "rb"));
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TEST_EQUAL(0, acmod_start_utt(acmod));
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fsg_search_start(ps_search_base(fsgs));
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while (!feof(rawfh)) {
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nread = fread(buf, sizeof(*buf), 2048, rawfh);
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bptr = buf;
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while ((nfr = acmod_process_raw(acmod, &bptr, &nread, FALSE)) > 0) {
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while (acmod->n_feat_frame > 0) {
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fsg_search_step(ps_search_base(fsgs),
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acmod->output_frame);
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acmod_advance(acmod);
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}
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}
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}
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fsg_search_finish(ps_search_base(fsgs));
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hyp = fsg_search_hyp(ps_search_base(fsgs), &score, NULL);
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printf("FSG: %s (%d)\n", hyp, score);
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TEST_ASSERT(acmod_end_utt(acmod) >= 0);
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fclose(rawfh);
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}
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for (seg = ps_seg_iter(ps, &score); seg;
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seg = ps_seg_next(seg)) {
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char const *word;
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int sf, ef;
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int32 post, lscr, ascr, lback;
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word = ps_seg_word(seg);
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ps_seg_frames(seg, &sf, &ef);
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if (sf == ef)
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continue;
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post = ps_seg_prob(seg, &ascr, &lscr, &lback);
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printf("%s (%d:%d) P(w|o) = %f ascr = %d lscr = %d lback = %d\n", word, sf, ef,
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logmath_exp(ps_get_logmath(ps), post), ascr, lscr, lback);
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}
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dag = ps_get_lattice(ps);
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ps_lattice_write(dag, "test_fsg2.lat");
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link = ps_lattice_bestpath(dag, NULL, 1.0, 1.0/15.0);
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if (link)
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printf("BESTPATH: %s\n", ps_lattice_hyp(dag, link));
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ps_lattice_posterior(dag, NULL, 1.0/15.0);
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while (link) {
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printf("%s %d P(w|o) = %d + %d - %d = %d = %f\n",
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dict_wordstr(ps->dict, link->from->wid),
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link->ef, link->alpha, link->beta, dag->norm,
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link->alpha + link->beta - dag->norm,
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logmath_exp(ps_get_logmath(ps),
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link->alpha + link->beta - dag->norm));
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link = link->best_prev;
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}
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ps_free(ps);
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cmd_ln_free_r(config);
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return 0;
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}
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