Changeset 4087d54 for src/spectral

Timestamp:

Dec 29, 2013, 12:38:03 AM (10 years ago)

Author:

Paul Brossier <piem@piem.org>

Branches:

feature/autosink, feature/cnn, feature/cnn_org, feature/constantq, feature/crepe, feature/crepe_org, feature/pitchshift, feature/pydocstrings, feature/timestretch, fix/ffmpeg5, master, pitchshift, sampler, timestretch, yinfft+

Children:

5c6acbb2

Parents:

5c6b264

Message:

src/spectral/phasevoc.c: optimize swapbuffers by using memcpy

File:

• src/spectral/phasevoc.c (modified) (2 diffs)

src/spectral/phasevoc.c

@@ -120 +120 @@
     const smpl_t * datanew, uint_t win_s, uint_t hop_s)
 {
+#if !HAVE_MEMCPY_HACKS
   uint_t i;
   for (i = 0; i < win_s - hop_s; i++)
@@ -127 +128 @@
   for (i = 0; i < win_s - hop_s; i++)
     dataold[i] = data[i + hop_s];
+#else
+  memcpy(data, dataold, (win_s - hop_s) * sizeof(smpl_t));
+  data += win_s - hop_s;
+  memcpy(data, datanew, hop_s * sizeof(smpl_t));
+  data -= win_s - hop_s;
+  data += hop_s;
+  memcpy(dataold, data, (win_s - hop_s) * sizeof(smpl_t));
+#endif
 }