static int batch_decoder_decode_mfc(batch_decoder_t *bd, FILE *infh, int sf,
int ef, alignment_t *al)
{
featbuf_t *fb = search_factory_featbuf(bd->sf);
mfcc_t **mfcs;
int nfr, rv;
if (NULL == (mfcs = read_mfc_file(infh, sf, ef, &nfr,
cmd_ln_int32_r(bd->config, "-ceplen"))))
return -1;
rv = featbuf_producer_process_cep(fb, mfcs, nfr, TRUE);
ckd_free_2d(mfcs);
return rv;
}
static int
process_ctl_line(ps_decoder_t *ps, cmd_ln_t *config,
char const *file, char const *uttid, int32 sf, int32 ef)
{
FILE *infh;
char const *cepdir, *cepext;
char *infile;
if (ef != -1 && ef < sf) {
E_ERROR("End frame %d is < start frame %d\n", ef, sf);
return -1;
}
cepdir = cmd_ln_str_r(config, "-cepdir");
cepext = cmd_ln_str_r(config, "-cepext");
/* Build input filename. */
infile = string_join(cepdir ? cepdir : "",
"/", file,
cepext ? cepext : "", NULL);
if (uttid == NULL) uttid = file;
if ((infh = fopen(infile, "rb")) == NULL) {
E_ERROR_SYSTEM("Failed to open %s", infile);
ckd_free(infile);
return -1;
}
/* Build output directories. */
if (cmd_ln_boolean_r(config, "-build_outdirs"))
build_outdirs(config, uttid);
if (cmd_ln_boolean_r(config, "-senin")) {
/* start and end frames not supported. */
ps_decode_senscr(ps, infh, uttid);
}
else if (cmd_ln_boolean_r(config, "-adcin")) {
if (ef != -1) {
ef = (int32)((ef - sf)
* (cmd_ln_float32_r(config, "-samprate")
/ cmd_ln_int32_r(config, "-frate"))
+ (cmd_ln_float32_r(config, "-samprate")
* cmd_ln_float32_r(config, "-wlen")));
}
sf = (int32)(sf
* (cmd_ln_float32_r(config, "-samprate")
/ cmd_ln_int32_r(config, "-frate")));
fseek(infh, cmd_ln_int32_r(config, "-adchdr") + sf * sizeof(int16), SEEK_SET);
ps_decode_raw(ps, infh, uttid, ef);
}
else {
mfcc_t **mfcs;
int nfr;
if (NULL == (mfcs = read_mfc_file(infh, sf, ef, &nfr,
cmd_ln_int32_r(config, "-ceplen")))) {
E_ERROR("Failed to read MFCC from the file '%s'\n", infile);
fclose(infh);
ckd_free(infile);
return -1;
}
ps_start_utt(ps, uttid);
ps_process_cep(ps, mfcs, nfr, FALSE, TRUE);
ps_end_utt(ps);
ckd_free_2d(mfcs);
}
fclose(infh);
ckd_free(infile);
return 0;
}
int
main(int argc, char *argv[])
{
cmd_ln_t *config;
ps_decoder_t *ps;
int32 out_score;
const char *input_file_path;
const char *cfg;
const char *utt_id;
const char *hyp;
FILE *input_file;
int16 buf[PCM_BUF_LEN];
int k;
config = cmd_ln_parse_r(NULL, cont_args_def, argc, argv, TRUE);
/* Handle argument file as -argfile. */
if (config && (cfg = cmd_ln_str_r(config, "-argfile")) != NULL) {
config = cmd_ln_parse_file_r(config, cont_args_def, cfg, FALSE);
}
if (config == NULL)
return 1;
if (cmd_ln_str_r(config, "-kws") == NULL && cmd_ln_str_r(config, "-keyphrase") == NULL) {
E_ERROR("Keyword is missing. Use -keyphrase <keyphrase> or -kws <kws_file> to specify the phrase to look for.");
return 1;
}
input_file_path = cmd_ln_str_r(config, "-infile");
if (input_file_path == NULL) {
E_ERROR("Input file is missing. Use -infile <input_file> to specify the file to look in.\n");
return 1;
}
ps_default_search_args(config);
ps = ps_init(config);
if (ps == NULL) {
E_ERROR("Failed to create the decoder\n");
return 1;
}
input_file = fopen(input_file_path, "rb");
if (input_file == NULL) {
E_FATAL_SYSTEM("Failed to open input file '%s'", input_file_path);
}
ps_start_utt(ps, NULL);
if (cmd_ln_boolean_r(config, "-adcin")) {
fread(buf, 1, 44, input_file);
while ((k = fread(buf, sizeof(int16), PCM_BUF_LEN, input_file)) > 0) {
ps_process_raw(ps, buf, k, FALSE, FALSE);
}
} else {
mfcc_t **mfcs;
int nfr;
if (NULL == (mfcs = read_mfc_file(input_file, &nfr, cmd_ln_int32_r(config, "-ceplen")))) {
E_ERROR("Failed to read MFCC from the file '%s'\n", input_file_path);
fclose(input_file);
return -1;
}
ps_process_cep(ps, mfcs, nfr, FALSE, TRUE);
ckd_free_2d(mfcs);
}
ps_end_utt(ps);
hyp = ps_get_hyp(ps, &out_score, &utt_id);
printf("hypothesis: %s\n", hyp);
fflush(stdout);
fclose(input_file);
ps_free(ps);
cmd_ln_free_r(config);
return 0;
}
