Ejemplo n.º 1
0
int
main(int argc, char *argv[])
{
	cmd_ln_t *config;
	logmath_t *lmath;
	acmod_t *acmod[5];
	sbthread_t *thr[5];
	featbuf_t *fb;
	FILE *raw;
	int16 buf[2048];
	int nsamp;
	int i;

	config = cmd_ln_init(NULL, ps_args(), TRUE,
			     "-hmm", TESTDATADIR "/hub4wsj_sc_8k",
			     "-lm", TESTDATADIR "/bn10000.3g.arpa",
			     "-dict", TESTDATADIR "/bn10000.dic",
			     "-compallsen", "yes",
			     NULL);
	ps_init_defaults(config);
	fb = featbuf_init(config);
	TEST_ASSERT(fb);

	lmath = logmath_init(cmd_ln_float32_r(config, "-logbase"),
			     0, FALSE);
	acmod[0] = acmod_init(config, lmath, fb);
	TEST_ASSERT(acmod[0]);
	/* Create a couple threads to pull features out of it. */
	for (i = 0; i < 5; ++i) {
		if (i != 0)
			acmod[i] = acmod_copy(acmod[0]);
		thr[i] = sbthread_start(NULL, consumer, acmod[i]);
	}

	/* Feed them some data. */
	raw = fopen(TESTDATADIR "/chan3.raw", "rb");
	featbuf_producer_start_utt(fb, "chan3");
	while ((nsamp = fread(buf, 2, 2048, raw)) > 0) {
		int rv;
		rv = featbuf_producer_process_raw(fb, buf, nsamp, FALSE);
		printf("Producer processed %d samples\n", nsamp);
		TEST_ASSERT(rv > 0);
	}
	fclose(raw);
	printf("Waiting for consumers\n");
	featbuf_producer_end_utt(fb);
	printf("Finished waiting\n");

	/* Reap those threads. */
	for (i = 0; i < 5; ++i) {
		sbthread_wait(thr[i]);
		sbthread_free(thr[i]);
		acmod_free(acmod[i]);
		printf("Reaped consumer %p\n", acmod[i]);
	}
	featbuf_free(fb);
	logmath_free(lmath);
	cmd_ln_free_r(config);
	return 0;
}
Ejemplo n.º 2
0
int
main(int argc, char *argv[])
{
	logmath_t *lmath;
	cmd_ln_t *config;
	acmod_t *acmod;
	ps_mgau_t *ps;
	ptm_mgau_t *s;
	int i, lastcb;

	lmath = logmath_init(1.0001, 0, 0);
	config = cmd_ln_init(NULL, ps_args(), TRUE,
	     "-compallsen", "yes",
	     "-input_endian", "little",
	     NULL);
	cmd_ln_parse_file_r(config, ps_args(), MODELDIR "/en-us/en-us/feat.params", FALSE);

	cmd_ln_set_str_extra_r(config, "_mdef", MODELDIR "/en-us/en-us/mdef");
	cmd_ln_set_str_extra_r(config, "_mean", MODELDIR "/en-us/en-us/means");
	cmd_ln_set_str_extra_r(config, "_var", MODELDIR "/en-us/en-us/variances");
	cmd_ln_set_str_extra_r(config, "_tmat", MODELDIR "/en-us/en-us/transition_matrices");
	cmd_ln_set_str_extra_r(config, "_sendump", MODELDIR "/en-us/en-us/sendump");
	cmd_ln_set_str_extra_r(config, "_mixw", NULL);
	cmd_ln_set_str_extra_r(config, "_lda", NULL);
	cmd_ln_set_str_extra_r(config, "_senmgau", NULL);	
	
	err_set_debug_level(3);
	TEST_ASSERT(config);
	TEST_ASSERT((acmod = acmod_init(config, lmath, NULL, NULL)));
	TEST_ASSERT((ps = acmod->mgau));
	TEST_EQUAL(0, strcmp(ps->vt->name, "ptm"));
	s = (ptm_mgau_t *)ps;
	E_DEBUG(2,("PTM model loaded: %d codebooks, %d senones, %d frames of history\n",
		   s->g->n_mgau, s->n_sen, s->n_fast_hist));
	E_DEBUG(2,("Senone to codebook mappings:\n"));
	lastcb = s->sen2cb[0];
	E_DEBUG(2,("\t%d: 0", lastcb));
	for (i = 0; i < s->n_sen; ++i) {
		if (s->sen2cb[i] != lastcb) {
			lastcb = s->sen2cb[i];
			E_DEBUGCONT(2,("-%d\n", i-1));
			E_DEBUGCONT(2,("\t%d: %d", lastcb, i));
		}
	}
	E_INFOCONT("-%d\n", i-1);
	run_acmod_test(acmod);

#if 0
	/* Replace it with ms_mgau. */
	ptm_mgau_free(ps);
	cmd_ln_set_str_r(config,
			 "-mixw",
			 MODELDIR "/en-us/en-us/mixture_weights");
	TEST_ASSERT((acmod->mgau = ms_mgau_init(acmod, lmath, acmod->mdef)));
	run_acmod_test(acmod);
	cmd_ln_free_r(config);
#endif

	return 0;
}
Ejemplo n.º 3
0
int
main(int argc, char *argv[])
{
    acmod_t *acmod;
    logmath_t *lmath;
    cmd_ln_t *config;
    FILE *rawfh;
    int16 *buf;
    int16 const *bptr;
    mfcc_t **cepbuf, **cptr;
    size_t nread, nsamps;
    int nfr;
    int frame_counter;
    int bestsen1[270];

    lmath = logmath_init(1.0001, 0, 0);
    config = cmd_ln_init(NULL, ps_args(), TRUE,
                 "-featparams", MODELDIR "/hmm/en_US/hub4wsj_sc_8k/feat.params",
                 "-mdef", MODELDIR "/hmm/en_US/hub4wsj_sc_8k/mdef",
                 "-mean", MODELDIR "/hmm/en_US/hub4wsj_sc_8k/means",
                 "-var", MODELDIR "/hmm/en_US/hub4wsj_sc_8k/variances",
                 "-tmat", MODELDIR "/hmm/en_US/hub4wsj_sc_8k/transition_matrices",
                 "-sendump", MODELDIR "/hmm/en_US/hub4wsj_sc_8k/sendump",
                 "-compallsen", "true",
                 "-cmn", "prior",
                 "-tmatfloor", "0.0001",
                 "-mixwfloor", "0.001",
                 "-varfloor", "0.0001",
                 "-mmap", "no",
                 "-topn", "4",
                 "-ds", "1",
                 "-input_endian", "little",
                 "-samprate", "16000", NULL);
    TEST_ASSERT(config);
    TEST_ASSERT(acmod = acmod_init(config, lmath, NULL, NULL));
    cmn_prior_set(acmod->fcb->cmn_struct, prior);

    nsamps = 2048;
    frame_counter = 0;
    buf = ckd_calloc(nsamps, sizeof(*buf));
    TEST_ASSERT(rawfh = fopen(DATADIR "/goforward.raw", "rb"));
    TEST_EQUAL(0, acmod_start_utt(acmod));
    E_INFO("Incremental(2048):\n");
    while (!feof(rawfh)) {
        nread = fread(buf, sizeof(*buf), nsamps, rawfh);
        bptr = buf;
        while ((nfr = acmod_process_raw(acmod, &bptr, &nread, FALSE)) > 0 || nread > 0) {
            int16 const *senscr;
            int16 best_score;
            int frame_idx = -1, best_senid;
            while (acmod->n_feat_frame > 0) {
                senscr = acmod_score(acmod, &frame_idx);
                acmod_advance(acmod);
                best_score = acmod_best_score(acmod, &best_senid);
                E_INFO("Frame %d best senone %d score %d\n",
                       frame_idx, best_senid, best_score);
                TEST_EQUAL(frame_counter, frame_idx);
                if (frame_counter < 190)
                    bestsen1[frame_counter] = best_score;
                ++frame_counter;
                frame_idx = -1;
            }
        }
    }
    TEST_EQUAL(0, acmod_end_utt(acmod));
    nread = 0;
    {
        int16 const *senscr;
        int16 best_score;
        int frame_idx = -1, best_senid;
        while (acmod->n_feat_frame > 0) {
            senscr = acmod_score(acmod, &frame_idx);
            acmod_advance(acmod);
            best_score = acmod_best_score(acmod, &best_senid);
            E_INFO("Frame %d best senone %d score %d\n",
                   frame_idx, best_senid, best_score);
            if (frame_counter < 190)
                bestsen1[frame_counter] = best_score;
            TEST_EQUAL(frame_counter, frame_idx);
            ++frame_counter;
            frame_idx = -1;
        }
    }

    /* Now try to process the whole thing at once. */
    E_INFO("Whole utterance:\n");
    cmn_prior_set(acmod->fcb->cmn_struct, prior);
    nsamps = ftell(rawfh) / sizeof(*buf);
    clearerr(rawfh);
    fseek(rawfh, 0, SEEK_SET);
    buf = ckd_realloc(buf, nsamps * sizeof(*buf));
    TEST_EQUAL(nsamps, fread(buf, sizeof(*buf), nsamps, rawfh));
    bptr = buf;
    TEST_EQUAL(0, acmod_start_utt(acmod));
    acmod_process_raw(acmod, &bptr, &nsamps, TRUE);
    TEST_EQUAL(0, acmod_end_utt(acmod));
    {
        int16 const *senscr;
        int16 best_score;
        int frame_idx = -1, best_senid;
        frame_counter = 0;
        while (acmod->n_feat_frame > 0) {
            senscr = acmod_score(acmod, &frame_idx);
            acmod_advance(acmod);
            best_score = acmod_best_score(acmod, &best_senid);
            E_INFO("Frame %d best senone %d score %d\n",
               frame_idx, best_senid, best_score);
            if (frame_counter < 190)
                TEST_EQUAL_LOG(best_score, bestsen1[frame_counter]);
            TEST_EQUAL(frame_counter, frame_idx);
            ++frame_counter;
            frame_idx = -1;
        }
    }

    /* Now process MFCCs and make sure we get the same results. */
    cepbuf = ckd_calloc_2d(frame_counter,
                   fe_get_output_size(acmod->fe),
                   sizeof(**cepbuf));
    fe_start_utt(acmod->fe);
    nsamps = ftell(rawfh) / sizeof(*buf);
    bptr = buf;
    nfr = frame_counter;
    fe_process_frames(acmod->fe, &bptr, &nsamps, cepbuf, &nfr);
    fe_end_utt(acmod->fe, cepbuf[frame_counter-1], &nfr);

    E_INFO("Incremental(MFCC):\n");
    cmn_prior_set(acmod->fcb->cmn_struct, prior);
    TEST_EQUAL(0, acmod_start_utt(acmod));
    cptr = cepbuf;
    nfr = frame_counter;
    frame_counter = 0;
    while ((acmod_process_cep(acmod, &cptr, &nfr, FALSE)) > 0) {
        int16 const *senscr;
        int16 best_score;
        int frame_idx = -1, best_senid;
        while (acmod->n_feat_frame > 0) {
            senscr = acmod_score(acmod, &frame_idx);
            acmod_advance(acmod);
            best_score = acmod_best_score(acmod, &best_senid);
            E_INFO("Frame %d best senone %d score %d\n",
                   frame_idx, best_senid, best_score);
            TEST_EQUAL(frame_counter, frame_idx);
            if (frame_counter < 190)
                TEST_EQUAL_LOG(best_score, bestsen1[frame_counter]);
            ++frame_counter;
            frame_idx = -1;
        }
    }
    TEST_EQUAL(0, acmod_end_utt(acmod));
    nfr = 0;
    acmod_process_cep(acmod, &cptr, &nfr, FALSE);
    {
        int16 const *senscr;
        int16 best_score;
        int frame_idx = -1, best_senid;
        while (acmod->n_feat_frame > 0) {
            senscr = acmod_score(acmod, &frame_idx);
            acmod_advance(acmod);
            best_score = acmod_best_score(acmod, &best_senid);
            E_INFO("Frame %d best senone %d score %d\n",
                   frame_idx, best_senid, best_score);
            TEST_EQUAL(frame_counter, frame_idx);
            if (frame_counter < 190)
                TEST_EQUAL_LOG(best_score, bestsen1[frame_counter]);
            ++frame_counter;
            frame_idx = -1;
        }
    }

    /* Note that we have to process the whole thing again because
     * !#@$@ s2mfc2feat modifies its argument (not for long) */
    fe_start_utt(acmod->fe);
    nsamps = ftell(rawfh) / sizeof(*buf);
    bptr = buf;
    nfr = frame_counter;
    fe_process_frames(acmod->fe, &bptr, &nsamps, cepbuf, &nfr);
    fe_end_utt(acmod->fe, cepbuf[frame_counter-1], &nfr);

    E_INFO("Whole utterance (MFCC):\n");
    cmn_prior_set(acmod->fcb->cmn_struct, prior);
    TEST_EQUAL(0, acmod_start_utt(acmod));
    cptr = cepbuf;
    nfr = frame_counter;
    acmod_process_cep(acmod, &cptr, &nfr, TRUE);
    TEST_EQUAL(0, acmod_end_utt(acmod));
    {
        int16 const *senscr;
        int16 best_score;
        int frame_idx = -1, best_senid;
        frame_counter = 0;
        while (acmod->n_feat_frame > 0) {
            senscr = acmod_score(acmod, &frame_idx);
            acmod_advance(acmod);
            best_score = acmod_best_score(acmod, &best_senid);
            E_INFO("Frame %d best senone %d score %d\n",
                   frame_idx, best_senid, best_score);
            if (frame_counter < 190)
                TEST_EQUAL_LOG(best_score, bestsen1[frame_counter]);
            TEST_EQUAL(frame_counter, frame_idx);
            ++frame_counter;
            frame_idx = -1;
        }
    }

    E_INFO("Rewound (MFCC):\n");
    TEST_EQUAL(0, acmod_rewind(acmod));
    {
        int16 const *senscr;
        int16 best_score;
        int frame_idx = -1, best_senid;
        frame_counter = 0;
        while (acmod->n_feat_frame > 0) {
            senscr = acmod_score(acmod, &frame_idx);
            acmod_advance(acmod);
            best_score = acmod_best_score(acmod, &best_senid);
            E_INFO("Frame %d best senone %d score %d\n",
                   frame_idx, best_senid, best_score);
            if (frame_counter < 190)
                TEST_EQUAL_LOG(best_score, bestsen1[frame_counter]);
            TEST_EQUAL(frame_counter, frame_idx);
            ++frame_counter;
            frame_idx = -1;
        }
    }

    /* Clean up, go home. */
    ckd_free_2d(cepbuf);
    fclose(rawfh);
    ckd_free(buf);
    acmod_free(acmod);
    logmath_free(lmath);
    cmd_ln_free_r(config);
    return 0;
}
Ejemplo n.º 4
0
int
ps_reinit(ps_decoder_t *ps, cmd_ln_t *config)
{
    const char *path;
    const char *keyphrase;
    int32 lw;

    if (config && config != ps->config) {
        cmd_ln_free_r(ps->config);
        ps->config = cmd_ln_retain(config);
    }

    err_set_debug_level(cmd_ln_int32_r(ps->config, "-debug"));
    ps->mfclogdir = cmd_ln_str_r(ps->config, "-mfclogdir");
    ps->rawlogdir = cmd_ln_str_r(ps->config, "-rawlogdir");
    ps->senlogdir = cmd_ln_str_r(ps->config, "-senlogdir");

    /* Fill in some default arguments. */
    ps_init_defaults(ps);

    /* Free old searches (do this before other reinit) */
    ps_free_searches(ps);
    ps->searches = hash_table_new(3, HASH_CASE_YES);

    /* Free old acmod. */
    acmod_free(ps->acmod);
    ps->acmod = NULL;

    /* Free old dictionary (must be done after the two things above) */
    dict_free(ps->dict);
    ps->dict = NULL;

    /* Free d2p */
    dict2pid_free(ps->d2p);
    ps->d2p = NULL;

    /* Logmath computation (used in acmod and search) */
    if (ps->lmath == NULL
        || (logmath_get_base(ps->lmath) !=
            (float64)cmd_ln_float32_r(ps->config, "-logbase"))) {
        if (ps->lmath)
            logmath_free(ps->lmath);
        ps->lmath = logmath_init
            ((float64)cmd_ln_float32_r(ps->config, "-logbase"), 0,
             cmd_ln_boolean_r(ps->config, "-bestpath"));
    }

    /* Acoustic model (this is basically everything that
     * uttproc.c, senscr.c, and others used to do) */
    if ((ps->acmod = acmod_init(ps->config, ps->lmath, NULL, NULL)) == NULL)
        return -1;

    if (cmd_ln_int32_r(ps->config, "-pl_window") > 0) {
        /* Initialize an auxiliary phone loop search, which will run in
         * "parallel" with FSG or N-Gram search. */
        if ((ps->phone_loop =
             phone_loop_search_init(ps->config, ps->acmod, ps->dict)) == NULL)
            return -1;
        hash_table_enter(ps->searches,
                         ckd_salloc(ps_search_name(ps->phone_loop)),
                         ps->phone_loop);
    }

    /* Dictionary and triphone mappings (depends on acmod). */
    /* FIXME: pass config, change arguments, implement LTS, etc. */
    if ((ps->dict = dict_init(ps->config, ps->acmod->mdef, ps->acmod->lmath)) == NULL)
        return -1;
    if ((ps->d2p = dict2pid_build(ps->acmod->mdef, ps->dict)) == NULL)
        return -1;

    lw = cmd_ln_float32_r(config, "-lw");

    /* Determine whether we are starting out in FSG or N-Gram search mode.
     * If neither is used skip search initialization. */

    /* Load KWS if one was specified in config */
    if ((keyphrase = cmd_ln_str_r(config, "-keyphrase"))) {
        if (ps_set_keyphrase(ps, PS_DEFAULT_SEARCH, keyphrase))
            return -1;
        ps_set_search(ps, PS_DEFAULT_SEARCH);
    }

    if ((path = cmd_ln_str_r(config, "-kws"))) {
        if (ps_set_kws(ps, PS_DEFAULT_SEARCH, path))
            return -1;
        ps_set_search(ps, PS_DEFAULT_SEARCH);
    }

    /* Load an FSG if one was specified in config */
    if ((path = cmd_ln_str_r(config, "-fsg"))) {
        fsg_model_t *fsg = fsg_model_readfile(path, ps->lmath, lw);
        if (!fsg)
            return -1;
        if (ps_set_fsg(ps, PS_DEFAULT_SEARCH, fsg))
            return -1;
        ps_set_search(ps, PS_DEFAULT_SEARCH);
    }
    
    /* Or load a JSGF grammar */
    if ((path = cmd_ln_str_r(config, "-jsgf"))) {
        if (ps_set_jsgf_file(ps, PS_DEFAULT_SEARCH, path)
            || ps_set_search(ps, PS_DEFAULT_SEARCH))
            return -1;
    }

    if ((path = cmd_ln_str_r(ps->config, "-allphone"))) {
        if (ps_set_allphone_file(ps, PS_DEFAULT_SEARCH, path)
                || ps_set_search(ps, PS_DEFAULT_SEARCH))
                return -1;
    }

    if ((path = cmd_ln_str_r(ps->config, "-lm")) && 
        !cmd_ln_boolean_r(ps->config, "-allphone")) {
        if (ps_set_lm_file(ps, PS_DEFAULT_SEARCH, path)
            || ps_set_search(ps, PS_DEFAULT_SEARCH))
            return -1;
    }

    if ((path = cmd_ln_str_r(ps->config, "-lmctl"))) {
        const char *name;
        ngram_model_t *lmset;
        ngram_model_set_iter_t *lmset_it;

        if (!(lmset = ngram_model_set_read(ps->config, path, ps->lmath))) {
            E_ERROR("Failed to read language model control file: %s\n", path);
            return -1;
        }

        for(lmset_it = ngram_model_set_iter(lmset);
            lmset_it; lmset_it = ngram_model_set_iter_next(lmset_it)) {
            
            ngram_model_t *lm = ngram_model_set_iter_model(lmset_it, &name);            
            E_INFO("adding search %s\n", name);
            if (ps_set_lm(ps, name, lm)) {
    		ngram_model_free(lm);
                ngram_model_set_iter_free(lmset_it);
                return -1;
            }
	    ngram_model_free(lm);
        }

        name = cmd_ln_str_r(config, "-lmname");
        if (name)
            ps_set_search(ps, name);
        else {
            E_ERROR("No default LM name (-lmname) for `-lmctl'\n");
            return -1;
        }
    }

    /* Initialize performance timer. */
    ps->perf.name = "decode";
    ptmr_init(&ps->perf);

    return 0;
}
Ejemplo n.º 5
0
int
ps_reinit(ps_decoder_t *ps, cmd_ln_t *config)
{
    char const *lmfile, *lmctl = NULL;

    if (config && config != ps->config) {
        cmd_ln_free_r(ps->config);
        ps->config = config;
    }
#ifndef _WIN32_WCE
    /* Set up logging. */
    if (cmd_ln_str_r(ps->config, "-logfn"))
        err_set_logfile(cmd_ln_str_r(ps->config, "-logfn"));
#endif
    err_set_debug_level(cmd_ln_int32_r(ps->config, "-debug"));
    ps->mfclogdir = cmd_ln_str_r(ps->config, "-mfclogdir");
    ps->rawlogdir = cmd_ln_str_r(ps->config, "-rawlogdir");

    /* Fill in some default arguments. */
    ps_init_defaults(ps);

    /* Free old searches (do this before other reinit) */
    ps_free_searches(ps);

    /* Free old acmod. */
    acmod_free(ps->acmod);
    ps->acmod = NULL;

    /* Free old dictionary (must be done after the two things above) */
    dict_free(ps->dict);
    ps->dict = NULL;


    /* Logmath computation (used in acmod and search) */
    if (ps->lmath == NULL
        || (logmath_get_base(ps->lmath) != 
            (float64)cmd_ln_float32_r(ps->config, "-logbase"))) {
        if (ps->lmath)
            logmath_free(ps->lmath);
        ps->lmath = logmath_init
            ((float64)cmd_ln_float32_r(ps->config, "-logbase"), 0,
             cmd_ln_boolean_r(ps->config, "-bestpath"));
    }

    /* Acoustic model (this is basically everything that
     * uttproc.c, senscr.c, and others used to do) */
    if ((ps->acmod = acmod_init(ps->config, ps->lmath, NULL, NULL)) == NULL)
        return -1;
    /* Make the acmod's feature buffer growable if we are doing two-pass search. */
    if (cmd_ln_boolean_r(ps->config, "-fwdflat")
        && cmd_ln_boolean_r(ps->config, "-fwdtree"))
        acmod_set_grow(ps->acmod, TRUE);

    if ((ps->pl_window = cmd_ln_int32_r(ps->config, "-pl_window"))) {
        /* Initialize an auxiliary phone loop search, which will run in
         * "parallel" with FSG or N-Gram search. */
        if ((ps->phone_loop = phone_loop_search_init(ps->config,
                                                     ps->acmod, ps->dict)) == NULL)
            return -1;
        ps->searches = glist_add_ptr(ps->searches, ps->phone_loop);
    }

    /* Dictionary and triphone mappings (depends on acmod). */
    /* FIXME: pass config, change arguments, implement LTS, etc. */
    if ((ps->dict = dict_init(ps->config, ps->acmod->mdef)) == NULL)
        return -1;

    /* Determine whether we are starting out in FSG or N-Gram search mode. */
    if (cmd_ln_str_r(ps->config, "-fsg") || cmd_ln_str_r(ps->config, "-jsgf")) {
        ps_search_t *fsgs;

        if ((ps->d2p = dict2pid_build(ps->acmod->mdef, ps->dict)) == NULL)
            return -1;
        if ((fsgs = fsg_search_init(ps->config, ps->acmod, ps->dict, ps->d2p)) == NULL)
            return -1;
        fsgs->pls = ps->phone_loop;
        ps->searches = glist_add_ptr(ps->searches, fsgs);
        ps->search = fsgs;
    }
    else if ((lmfile = cmd_ln_str_r(ps->config, "-lm"))
             || (lmctl = cmd_ln_str_r(ps->config, "-lmctl"))) {
        ps_search_t *ngs;

        if ((ps->d2p = dict2pid_build(ps->acmod->mdef, ps->dict)) == NULL)
            return -1;
        if ((ngs = ngram_search_init(ps->config, ps->acmod, ps->dict, ps->d2p)) == NULL)
            return -1;
        ngs->pls = ps->phone_loop;
        ps->searches = glist_add_ptr(ps->searches, ngs);
        ps->search = ngs;
    }
    /* Otherwise, we will initialize the search whenever the user
     * decides to load an FSG or a language model. */
    else {
        if ((ps->d2p = dict2pid_build(ps->acmod->mdef, ps->dict)) == NULL)
            return -1;
    }

    /* Initialize performance timer. */
    ps->perf.name = "decode";
    ptmr_init(&ps->perf);

    return 0;
}