int16 const *
acmod_score(acmod_t *acmod, int *inout_frame_idx)
{
int frame_idx, feat_idx;
/* Calculate the absolute frame index to be scored. */
frame_idx = calc_frame_idx(acmod, inout_frame_idx);
/* If all senones are being computed, or we are using a senone file,
then we can reuse existing scores. */
if ((acmod->compallsen || acmod->insenfh)
&& frame_idx == acmod->senscr_frame) {
if (inout_frame_idx)
*inout_frame_idx = frame_idx;
return acmod->senone_scores;
}
/* Calculate position of requested frame in circular buffer. */
if ((feat_idx = calc_feat_idx(acmod, frame_idx)) < 0)
return NULL;
/* If there is an input senone file locate the appropriate frame and read it. */
if (acmod->insenfh) {
fseek(acmod->insenfh, acmod->framepos[feat_idx], SEEK_SET);
if (acmod_read_scores_internal(acmod) < 0)
return NULL;
}
else {
/* Build active senone list. */
acmod_flags2list(acmod);
/* Generate scores for the next available frame */
ps_mgau_frame_eval(acmod->mgau,
acmod->senone_scores,
acmod->senone_active,
acmod->n_senone_active,
acmod->feat_buf[feat_idx],
frame_idx,
acmod->compallsen);
}
if (inout_frame_idx)
*inout_frame_idx = frame_idx;
acmod->senscr_frame = frame_idx;
/* Dump scores to the senone dump file if one exists. */
if (acmod->senfh) {
if (acmod_write_scores(acmod, acmod->n_senone_active,
acmod->senone_active,
acmod->senone_scores,
acmod->senfh) < 0)
return NULL;
E_DEBUG(1,("Frame %d has %d active states\n", frame_idx, acmod->n_senone_active));
}
return acmod->senone_scores;
}
int16 const *
acmod_score(acmod_t *acmod, int frame_idx)
{
/* Obtain the frame to be scored. */
if (featbuf_consumer_wait(acmod->fb, frame_idx,
0, acmod->feat_buf[0][0]) < 0)
return NULL;
/* Build active senone list. */
acmod_flags2list(acmod);
/* Generate scores for the next available frame */
ps_mgau_frame_eval(acmod->mgau,
acmod->senone_scores,
acmod->senone_active,
acmod->n_senone_active,
acmod->feat_buf[0],
frame_idx,
acmod->compallsen);
return acmod->senone_scores;
}
