shithub: aubio

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

--- a/src/pitch/pitch.c

+++ b/src/pitch/pitch.c

@@ -239,8 +239,9 @@

 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];

   }

@@ -247,6 +248,12 @@

   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