[xiph-cvs] cvs commit: speex/libspeex nb_celp.c

[Jean-Marc Valin]

jm          02/10/22 15:14:34

  Modified:    libspeex nb_celp.c
  Log:
  Don't compute open-loop pitch when mode has a per-subframe pitch and VBR
  is not used. This gains a bit of CPU.

Revision  Changes    Path
1.63      +4 -1      speex/libspeex/nb_celp.c

Index: nb_celp.c
===================================================================
RCS file: /usr/local/cvsroot/speex/libspeex/nb_celp.c,v
retrieving revision 1.62
retrieving revision 1.63
diff -u -r1.62 -r1.63
--- nb_celp.c	21 Oct 2002 20:39:38 -0000	1.62
+++ nb_celp.c	22 Oct 2002 19:14:34 -0000	1.63
@@ -305,7 +305,7 @@
       filter_mem2(st->frame, st->bw_lpc1, st->bw_lpc2, st->sw, st->frameSize, st->lpcSize, st->mem_sw_whole);
 
       /*Open-loop pitch*/
-      {
+      if (SUBMODE(lbr_pitch) != -1 || st->vbr_enabled || SUBMODE(forced_pitch_gain)) {
          int nol_pitch[4];
          float nol_pitch_coef[4];
          open_loop_nbest_pitch(st->sw, st->min_pitch, st->max_pitch, st->frameSize, 
@@ -325,6 +325,9 @@
          }
          /*ol_pitch_coef = sqrt(ol_pitch_coef);*/
          /*printf ("ol_pitch: %d %f\n", ol_pitch, ol_pitch_coef);*/
+      } else {
+         ol_pitch=0;
+         ol_pitch_coef=0;
       }
       /*Compute "real" excitation*/
       fir_mem2(st->frame, st->interp_lpc, st->exc, st->frameSize, st->lpcSize, st->mem_exc);

<p><p>--- >8 ----
List archives:  http://www.xiph.org/archives/
Ogg project homepage: http://www.xiph.org/ogg/
To unsubscribe from this list, send a message to 'cvs-request at xiph.org'
containing only the word 'unsubscribe' in the body.  No subject is needed.
Unsubscribe messages sent to the list will be ignored/filtered.