Пример #1
0
int
cnt_phn_seg(model_def_t *mdef,
	    lexicon_t *lex,
	    uint32 **out_n_seg,
	    uint32 ***out_n_frame_per)
{
    uint32 seq_no = 0;
    uint16 *seg;
    uint32 n_frame;
    uint32 i, j;
    uint32 n_acmod;
    uint32 *phone;
    uint32 n_phone;
    uint32 *n_seg;
    uint32 **n_frame_per;
    uint32 *start;
    uint32 *len;
    seg_len_t *cur;
    seg_len_t *tmp;
    seg_len_t *phn_hd;
    seg_len_t *phn_tl;

    n_acmod = acmod_set_n_acmod(mdef->acmod_set);

    E_INFO("Counting # occ. for %u models\n", n_acmod);
    
    n_seg = ckd_calloc(n_acmod, sizeof(uint32));
    hd = ckd_calloc(n_acmod, sizeof(seg_len_t *));
    tl = ckd_calloc(n_acmod, sizeof(seg_len_t *));

    for (seq_no = corpus_get_begin(); corpus_next_utt(); seq_no++) {
	if (!(seq_no % 250)) {
	    fprintf(stderr, " cnt[%u]", seq_no);
	    fflush(stderr);
	}
	
	corpus_get_seg(&seg, &n_frame);

	phone = get_next_phnseq(mdef, lex, &n_phone);
	
	ck_seg(mdef->acmod_set, phone, n_phone, seg, n_frame, corpus_utt());
	
	start = ckd_calloc(n_phone, sizeof(uint32));
	len = ckd_calloc(n_phone, sizeof(uint32));

	mk_seg(mdef->acmod_set, seg, n_frame, phone, start, len, n_phone);

	ckd_free(start);
	ckd_free(seg);
	ckd_free(phone);

	for (i = 0; i < n_phone; i++) {
	    /* insert the len for list phone[i] */

	    phn_hd = hd[phone[i]];
	    phn_tl = tl[phone[i]];

	    cur = (seg_len_t *)ckd_calloc(1, sizeof(seg_len_t));

	    cur->len = len[i];

	    if (phn_tl == NULL) {
		hd[phone[i]] = tl[phone[i]] = cur;
	    }
	    else {
		phn_tl->nxt = cur;
		tl[phone[i]] = cur;
	    }
	}
	ckd_free(len);
    }

    n_frame_per = (uint32 **)ckd_calloc(n_acmod, sizeof(uint32 *));

    for (i = 0; i < n_acmod; i++) {
	if (hd[i] == NULL) {
	    n_seg[i] = 0;
	}
	else {
	    for (cur = hd[i], j = 0; cur != NULL; j++, cur = cur->nxt);

	    n_seg[i] = j;

	    n_frame_per[i] = (uint32 *)ckd_calloc(n_seg[i], sizeof(uint32));

	    for (cur = hd[i], j = 0; cur != NULL; j++, cur = cur->nxt)
		n_frame_per[i][j] = cur->len;

	    for (cur = hd[i]; cur != NULL; cur = tmp) {
		tmp = cur->nxt;
		ckd_free(cur);
	    }
	    
	    E_INFO("phn= %s n_seg= %u\n",
		   acmod_set_id2name(mdef->acmod_set, i),
		   n_seg[i]);
	}
    }

    ckd_free(hd);
    ckd_free(tl);

    *out_n_seg = n_seg;
    *out_n_frame_per = n_frame_per;

    return S3_SUCCESS;
}
int
agg_all_seg(feat_t *fcb,
	    segdmp_type_t type,
	    const char *fn,
	    uint32 stride)
{
    uint32 seq_no;
    vector_t *mfcc = NULL;
    uint32 mfc_veclen = cmd_ln_int32("-ceplen");
    uint32 n_frame;
    uint32 n_out_frame;
    uint32 blksz=0;
    vector_t **feat = NULL;
    uint32 i, j;
    uint32 t;
    uint32 n_stream;
    const uint32 *veclen;
    FILE *fp;
    uint32 ignore = 0;
    long start;
    int32 no_retries=0;
    
    n_stream = feat_dimension1(fcb);
    veclen = feat_stream_lengths(fcb);
    for (i = 0, blksz = 0; i < n_stream; i++)
        blksz += veclen[i];

    fp = open_dmp(fn);

    start = ftell(fp);

    if (s3write(&i, sizeof(uint32), 1, fp, &ignore) != 1) {
	E_ERROR_SYSTEM("Unable to write to dmp file");

	return S3_ERROR;
    }

    for (seq_no = corpus_get_begin(), j = 0, n_out_frame = 0;
	 corpus_next_utt(); seq_no++) {
	    if (mfcc) {
		free(mfcc[0]);
		ckd_free(mfcc);

		mfcc = NULL;
	    }

	    /* get the MFCC data for the utterance */
	    if (corpus_get_generic_featurevec(&mfcc, &n_frame, mfc_veclen) < 0) {
	      E_FATAL("Can't read input features from %s\n", corpus_utt());
	    }

	if ((seq_no % 1000) == 0) {
	    E_INFO("[%u]\n", seq_no);
	}

	    if (feat) {
		feat_array_free(feat);
		feat = NULL;
	    }
	    
	    if (n_frame < 9) {
	      E_WARN("utt %s too short\n", corpus_utt());
	      if (mfcc) {
		ckd_free(mfcc[0]);
		ckd_free(mfcc);
		mfcc = NULL;
	      }
	      continue;
	    }

	    feat = feat_array_alloc(fcb, n_frame + feat_window_size(fcb));
	    feat_s2mfc2feat_live(fcb, mfcc, &n_frame, TRUE, TRUE, feat);

	    for (t = 0; t < n_frame; t++, j++) {
		if ((j % stride) == 0) {
		    while (s3write(&feat[t][0][0],
				   sizeof(float32),
				   blksz,
				   fp, &ignore) != blksz) {
			static int rpt = 0;

			if (!rpt) {
			    E_ERROR_SYSTEM("Unable to write to dmp file");
			    E_INFO("sleeping...\n");
			    no_retries++;
			}
			sleep(3);

			if(no_retries > 10){
			  E_FATAL("Failed to write to a dmp file after 10 retries of getting MFCC(about 30 seconds)\n ");
			}
		    }
		    ++n_out_frame;
		}
	    }
    }

    if (fseek(fp, start, SEEK_SET) < 0) {
	E_ERROR_SYSTEM("Unable to seek to begin of dmp");

	return S3_ERROR;
    }

    E_INFO("Wrote %u frames to %s\n", n_out_frame, fn);

    if (s3write((void *)&n_out_frame, sizeof(uint32), 1, fp, &ignore) != 1) {
	E_ERROR_SYSTEM("Unable to write to dmp file");
	
	return S3_ERROR;
    }

    return S3_SUCCESS;
}