Exemple #1
0
int chest_ref_LTEDL_slot_port(chest_t *q, uint32_t nslot, uint32_t port_id, lte_cell_t cell) {
  int ret = LIBLTE_ERROR_INVALID_INPUTS;
  
  if (q         != NULL         && 
      port_id   < MAX_PORTS     &&
      nslot     < NSLOTS_X_FRAME)
  {
    ret = refsignal_init_LTEDL(&q->refsignal[port_id][nslot], port_id, nslot, cell);
    
#ifdef VOLK_INTERP
    if (ret == LIBLTE_SUCCESS) {
      if (nslot == 0) {
        ret = interp_init(&q->interp_freq[port_id], LINEAR, q->refsignal[port_id][nslot].nof_refs/2, RE_X_RB/2);
        if (ret == LIBLTE_SUCCESS) {
          ret = interp_init(&q->interp_time[port_id], LINEAR, 2, 
                    q->refsignal[port_id][nslot].symbols_ref[1] - q->refsignal[port_id][nslot].symbols_ref[0]);
        }
      }
    }
#endif
  }
  return ret;
}
/*
 * Load and cross-check all models (acoustic/lexical/linguistic).
 */
static void models_init ( void )
{
    float32 varfloor, mixwfloor, tpfloor;
    int32 i, s;
    s3cipid_t ci;
    s3wid_t w;
    char *arg;
    dict_t *dict;
    
    /* HMM model definition */
    mdef = mdef_init ((char *) cmd_ln_access("-mdeffn"));

    /* Dictionary */
    dict = dict_init ((char *) cmd_ln_access("-dictfn"),
		      (char *) cmd_ln_access("-fdictfn"));

    /* HACK!! Make sure SILENCE_WORD, START_WORD and FINISH_WORD are in dictionary */
    silwid = dict_wordid (SILENCE_WORD);
    startwid = dict_wordid (START_WORD);
    finishwid = dict_wordid (FINISH_WORD);
    if (NOT_WID(silwid) || NOT_WID(startwid) || NOT_WID(finishwid)) {
	E_FATAL("%s, %s, or %s missing from dictionary\n",
		SILENCE_WORD, START_WORD, FINISH_WORD);
    }
    if ((dict->filler_start > dict->filler_end) || (! dict_filler_word (silwid)))
	E_FATAL("%s must occur (only) in filler dictionary\n", SILENCE_WORD);
    /* No check that alternative pronunciations for filler words are in filler range!! */

    /* Codebooks */
    varfloor = *((float32 *) cmd_ln_access("-varfloor"));
    g = gauden_init ((char *) cmd_ln_access("-meanfn"),
		     (char *) cmd_ln_access("-varfn"),
		     varfloor);

    /* Verify codebook feature dimensions against libfeat */
    n_feat = feat_featsize (&featlen);
    if (n_feat != g->n_feat)
	E_FATAL("#feature mismatch: s2= %d, mean/var= %d\n", n_feat, g->n_feat);
    for (i = 0; i < n_feat; i++)
	if (featlen[i] != g->featlen[i])
	    E_FATAL("featlen[%d] mismatch: s2= %d, mean/var= %d\n", i,
		    featlen[i], g->featlen[i]);

    /* Senone mixture weights */
    mixwfloor = *((float32 *) cmd_ln_access("-mwfloor"));
    sen = senone_init ((char *) cmd_ln_access("-mixwfn"),
		       (char *) cmd_ln_access("-senmgaufn"),
		       mixwfloor);
    
    /* Verify senone parameters against gauden parameters */
    if (sen->n_feat != g->n_feat)
	E_FATAL("#Feature mismatch: gauden= %d, senone= %d\n", g->n_feat, sen->n_feat);
    if (sen->n_cw != g->n_density)
	E_FATAL("#Densities mismatch: gauden= %d, senone= %d\n", g->n_density, sen->n_cw);
    if (sen->n_gauden > g->n_mgau)
	E_FATAL("Senones need more codebooks (%d) than present (%d)\n",
		sen->n_gauden, g->n_mgau);
    if (sen->n_gauden < g->n_mgau)
	E_ERROR("Senones use fewer codebooks (%d) than present (%d)\n",
		sen->n_gauden, g->n_mgau);

    /* Verify senone parameters against model definition parameters */
    if (mdef->n_sen != sen->n_sen)
	E_FATAL("Model definition has %d senones; but #senone= %d\n",
		mdef->n_sen, sen->n_sen);

    /* CD/CI senone interpolation weights file, if present */
    if ((arg = (char *) cmd_ln_access ("-lambdafn")) != NULL) {
	interp = interp_init (arg);

	/* Verify interpolation weights size with senones */
	if (interp->n_sen != sen->n_sen)
	    E_FATAL("Interpolation file has %d weights; but #senone= %d\n",
		    interp->n_sen, sen->n_sen);
    } else
	interp = NULL;

    /* Transition matrices */
    tpfloor = *((float32 *) cmd_ln_access("-tpfloor"));
    tmat = tmat_init ((char *) cmd_ln_access("-tmatfn"), tpfloor);

    /* Verify transition matrices parameters against model definition parameters */
    if (mdef->n_tmat != tmat->n_tmat)
	E_FATAL("Model definition has %d tmat; but #tmat= %d\n",
		mdef->n_tmat, tmat->n_tmat);
    if (mdef->n_emit_state != tmat->n_state-1)
	E_FATAL("#Emitting states in model definition = %d, #states in tmat = %d\n",
		mdef->n_emit_state, tmat->n_state);

    arg = (char *) cmd_ln_access ("-agc");
    if ((strcmp (arg, "max") != 0) && (strcmp (arg, "none") != 0))
	E_FATAL("Unknown -agc argument: %s\n", arg);
    arg = (char *) cmd_ln_access ("-cmn");
    if ((strcmp (arg, "current") != 0) && (strcmp (arg, "none") != 0))
	E_FATAL("Unknown -cmn argument: %s\n", arg);
}