rhubarb-lip-sync/rhubarb/lib/pocketsphinx-rev13216/test/unit/test_lm_read.c

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2015-10-19 19:45:08 +00:00
#include <stdio.h>
#include <string.h>
#include <pocketsphinx.h>
#include "test_macros.h"
int
main(int argc, char *argv[])
{
char const *hyp;
ps_decoder_t *ps;
cmd_ln_t *config;
ngram_model_t *lm;
FILE *rawfh;
int32 score;
/* First decode it with the crappy WSJ language model. */
TEST_ASSERT(config =
cmd_ln_init(NULL, ps_args(), TRUE,
"-hmm", MODELDIR "/en-us/en-us",
"-lm", MODELDIR "/en-us/en-us.lm.bin",
"-dict", DATADIR "/defective.dic",
"-dictcase", "yes",
"-input_endian", "little",
"-samprate", "16000", NULL));
TEST_ASSERT(ps = ps_init(config));
TEST_ASSERT(rawfh = fopen(DATADIR "/goforward.raw", "rb"));
ps_decode_raw(ps, rawfh, -1);
hyp = ps_get_hyp(ps, &score);
printf("%s (%d)\n", hyp, score);
TEST_EQUAL(0, strcmp(hyp, "go forward ten years"));
/* Now load the turtle language model. */
lm = ngram_model_read(config, DATADIR "/turtle.lm.bin",
NGRAM_AUTO, ps_get_logmath(ps));
ps_set_lm(ps, "turtle", lm);
ps_set_search(ps, "turtle");
clearerr(rawfh);
fseek(rawfh, 0, SEEK_SET);
TEST_ASSERT(ps_decode_raw(ps, rawfh, -1));
hyp = ps_get_hyp(ps, &score);
printf("%s (%d)\n", hyp, score);
/* Oops! It's still not correct, because METERS isn't in the
* dictionary that we originally loaded. */
TEST_EQUAL(0, strcmp(hyp, "go forward ten degrees"));
/* So let's add it to the dictionary. */
ps_add_word(ps, "foobie", "F UW B IY", FALSE);
ps_add_word(ps, "meters", "M IY T ER Z", TRUE);
/* And try again. */
clearerr(rawfh);
fseek(rawfh, 0, SEEK_SET);
TEST_ASSERT(ps_decode_raw(ps, rawfh, -1));
hyp = ps_get_hyp(ps, &score);
TEST_ASSERT(hyp);
printf("%s (%d)\n", hyp, score);
ps_lattice_write(ps_get_lattice(ps), "meters.lat");
/* Bingo! */
TEST_EQUAL(0, strcmp(hyp, "go forward ten meters"));
/* Now let's test dictionary switching. */
TEST_EQUAL(-1,
ps_load_dict(ps, DATADIR "/turtle_missing_file.dic",
NULL, NULL));
/* Now let's test dictionary switching. */
TEST_EQUAL(0, ps_load_dict(ps, DATADIR "/turtle.dic",
NULL, NULL));
/* And try again. */
clearerr(rawfh);
fseek(rawfh, 0, SEEK_SET);
TEST_ASSERT(ps_decode_raw(ps, rawfh, -1));
hyp = ps_get_hyp(ps, &score);
printf("%s (%d)\n", hyp, score);
TEST_EQUAL(0, strcmp(hyp, "go forward ten meters"));
/* Try switching back again just to make sure. */
TEST_EQUAL(0, ps_load_dict(ps, DATADIR "/defective.dic", NULL, NULL));
clearerr(rawfh);
fseek(rawfh, 0, SEEK_SET);
TEST_ASSERT(ps_decode_raw(ps, rawfh, -1));
hyp = ps_get_hyp(ps, &score);
printf("%s (%d)\n", hyp, score);
TEST_EQUAL(0, strcmp(hyp, "go forward ten degrees"));
fclose(rawfh);
ps_free(ps);
cmd_ln_free_r(config);
return 0;
}