diff options
| author | Thorvald Natvig <slicer@users.sourceforge.net> | 2009-11-25 03:02:42 +0300 |
|---|---|---|
| committer | Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> | 2009-11-25 04:16:03 +0300 |
| commit | 065dafdc3e6259093c49f984a39b3a16a299e44a (patch) | |
| tree | b26ff45ae217f9b0be28b6d1896946f542db115f | |
| parent | e05e7e23bb62495670cbd6d73957cbde3f0db1d0 (diff) | |
Use stack_alloc for pitch.c
| -rw-r--r-- | libcelt/pitch.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/libcelt/pitch.c b/libcelt/pitch.c index f04934e..72c183d 100644 --- a/libcelt/pitch.c +++ b/libcelt/pitch.c @@ -105,14 +105,21 @@ void find_temporal_pitch(const CELTMode *m, const celt_sig * restrict x, celt_wo const int lag = MAX_PERIOD; const int N = FRAMESIZE(m); int best_pitch[2]={0}; - celt_word16 x_lp[len>>1]; - celt_word16 x_lp4[len>>2]; - celt_word16 y_lp4[lag>>2]; - celt_word32 xcorr[max_pitch>>1]; + VARDECL(celt_word16, x_lp); + VARDECL(celt_word16, x_lp4); + VARDECL(celt_word16, y_lp4); + VARDECL(celt_word32, xcorr); celt_word32 maxcorr=1; int offset; int shift=0; + SAVE_STACK; + + ALLOC(x_lp, len>>1, celt_word16); + ALLOC(x_lp4, len>>2, celt_word16); + ALLOC(y_lp4, len>>2, celt_word16); + ALLOC(xcorr, max_pitch>>1, celt_word32); + /* Down-sample by two and downmix to mono */ for (i=1;i<len>>1;i++) x_lp[i] = SHR32(HALF32(HALF32(x[(2*i-1)*C]+x[(2*i+1)*C])+x[2*i*C]), SIG_SHIFT); @@ -195,5 +202,7 @@ void find_temporal_pitch(const CELTMode *m, const celt_sig * restrict x, celt_wo CELT_COPY(y, y+(N>>1), (lag-N)>>1); CELT_COPY(y+((lag-N)>>1), x_lp, N>>1); + RESTORE_STACK; + /*printf ("%d\n", *pitch);*/ } |