114 lines
3.5 KiB
C
114 lines
3.5 KiB
C
#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 "ngram_search_fwdtree.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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ngram_search_t *ngs;
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ps_lattice_t *dag;
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clock_t c;
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int i;
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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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"-lm", MODELDIR "/en-us/en-us.lm.bin",
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"-dict", MODELDIR "/en-us/cmudict-en-us.dict",
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"-fwdtree", "yes",
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"-fwdflat", "no",
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"-bestpath", "yes",
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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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ngs = (ngram_search_t *)ps->search;
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acmod = ps->acmod;
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acmod_set_grow(ps->acmod, TRUE);
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setbuf(stdout, NULL);
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c = clock();
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for (i = 0; i < 5; ++i) {
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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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int nfr;
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ps_astar_t *nbest;
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ps_latpath_t *path;
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char *besthyp;
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const char *astar_besthyp = NULL;
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int32 astar_hyp_score;
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int i;
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/* PocketSphinx API would do this for us but we have to do it manually here. */
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ps_lattice_free(ps->search->dag);
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ps->search->dag = NULL;
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TEST_ASSERT(rawfh = fopen(DATADIR "/goforward.raw", "rb"));
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TEST_EQUAL(0, acmod_start_utt(acmod));
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ngram_fwdtree_start(ngs);
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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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ngram_fwdtree_search(ngs, 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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ngram_fwdtree_finish(ngs);
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printf("FWDTREE: %s\n",
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ngram_search_bp_hyp(ngs, ngram_search_find_exit(ngs, -1, NULL, NULL)));
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TEST_ASSERT(acmod_end_utt(acmod) >= 0);
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fclose(rawfh);
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dag = ngram_search_lattice(ps->search);
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if (dag == NULL) {
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E_ERROR("Failed to build DAG!\n");
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return 1;
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}
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besthyp = ckd_salloc
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(ps_lattice_hyp(dag, ps_lattice_bestpath
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(dag, ngs->lmset, 6.5, 1.0)));
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printf("BESTPATH: %s\n", besthyp);
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TEST_ASSERT(nbest = ps_astar_start(dag, ngs->lmset, 6.5, 0, -1, -1, -1));
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i = 0;
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astar_hyp_score = WORST_SCORE;
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while ((path = ps_astar_next(nbest))) {
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if (i < 10)
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printf("NBEST %d: %s\n", i, ps_astar_hyp(nbest, path));
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if (path->score > astar_hyp_score) {
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astar_hyp_score = path->score;
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astar_besthyp = ps_astar_hyp(nbest, path);
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}
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i++;
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}
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TEST_EQUAL(0, strcmp(besthyp, astar_besthyp));
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ps_astar_finish(nbest);
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ckd_free(besthyp);
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}
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printf("%s\n", ngram_search_bp_hyp(ngs, ngram_search_find_exit(ngs, -1, NULL, NULL)));
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TEST_EQUAL(0, strcmp("go forward ten meters",
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ngram_search_bp_hyp(ngs, ngram_search_find_exit(ngs, -1, NULL, NULL))));
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c = clock() - c;
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printf("5 * fwdtree + bestpath + N-best search in %.2f sec\n",
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(double)c / CLOCKS_PER_SEC);
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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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