From: Paul Brossier <piem@piem.org>
Date: Sat, 5 Sep 2015 07:50:59 +0000 (+0200)
Subject: src/pitch/pitch.c: variant for aubio_pitch_slideblock using memmove/memcpy
X-Git-Tag: 0.4.4~300^2~376
X-Git-Url: https://git.aubio.org/?a=commitdiff_plain;h=6c8ef5833b56fa8ed2fb0a8200b8c36fea4a4dd0;p=aubio.git

src/pitch/pitch.c: variant for aubio_pitch_slideblock using memmove/memcpy
---

diff --git a/src/pitch/pitch.c b/src/pitch/pitch.c
index 02636b40..66eac4a1 100644
--- a/src/pitch/pitch.c
+++ b/src/pitch/pitch.c
@@ -239,14 +239,21 @@ del_aubio_pitch (aubio_pitch_t * p)
 void
 aubio_pitch_slideblock (aubio_pitch_t * p, fvec_t * ibuf)
 {
-  uint_t j = 0, overlap_size = 0;
-  overlap_size = p->buf->length - ibuf->length;
+  uint_t overlap_size = p->buf->length - ibuf->length;
+#if !HAVE_MEMCPY_HACKS
+  uint_t j;
   for (j = 0; j < overlap_size; j++) {
     p->buf->data[j] = p->buf->data[j + ibuf->length];
   }
   for (j = 0; j < ibuf->length; j++) {
     p->buf->data[j + overlap_size] = ibuf->data[j];
   }
+#else
+  smpl_t *data = p->buf->data;
+  smpl_t *newdata = ibuf->data;
+  memmove(data, data + ibuf->length, overlap_size);
+  memcpy(data + overlap_size, newdata, ibuf->length);
+#endif
 }
 
 uint_t