diff options
| -rw-r--r-- | libaf/af_scaletempo.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/libaf/af_scaletempo.c b/libaf/af_scaletempo.c index b2de4c33ef..d4c3fe731e 100644 --- a/libaf/af_scaletempo.c +++ b/libaf/af_scaletempo.c @@ -170,9 +170,12 @@ static int best_overlap_offset_s16(af_scaletempo_t* s) int32_t corr = 0; int16_t* ps = search_start; ppc = s->buf_pre_corr; - for (i=s->num_channels; i<s->samples_overlap; i++) { + ppc += s->samples_overlap - s->num_channels; + ps += s->samples_overlap - s->num_channels; + i = -(s->samples_overlap - s->num_channels); + do { corr += ( *ppc++ * *ps++ ) >> s->shift_corr; - } + } while (++i < 0); if (corr > best_corr) { best_corr = corr; best_off = off; |