comparison src/vamp-sdk/FFT.cpp @ 337:d5c5a52e6c9f

Make the simple base-fft implementation accessible for use by plugins as well. Bump version to 2.4

+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Vamp
+
+    An API for audio analysis and feature extraction plugins.
+
+    Centre for Digital Music, Queen Mary, University of London.
+    Copyright 2006-2012 Chris Cannam and QMUL.
+  
+    Permission is hereby granted, free of charge, to any person
+    obtaining a copy of this software and associated documentation
+    files (the "Software"), to deal in the Software without
+    restriction, including without limitation the rights to use, copy,
+    modify, merge, publish, distribute, sublicense, and/or sell copies
+    of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be
+    included in all copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+    EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+    NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
+    ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
+    CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+    WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+    Except as contained in this notice, the names of the Centre for
+    Digital Music; Queen Mary, University of London; and Chris Cannam
+    shall not be used in advertising or otherwise to promote the sale,
+    use or other dealings in this Software without prior written
+    authorization.
+*/
+
+#include <vamp-sdk/FFT.h>
+
+#include <cmath>
+
+#if ( VAMP_SDK_MAJOR_VERSION != 2 || VAMP_SDK_MINOR_VERSION != 4 )
+#error Unexpected version of Vamp SDK header included
+#endif
+
+_VAMP_SDK_PLUGSPACE_BEGIN(FFT.cpp)
+
+namespace Vamp {
+
+#include "FFTimpl.cpp"
+
+void
+FFT::forward(unsigned int n,
+	     const double *ri, const double *ii,
+	     double *ro, double *io)
+{
+    fft(n, false, ri, ii, ro, io);
+}
+
+void
+FFT::inverse(unsigned int n,
+	     const double *ri, const double *ii,
+	     double *ro, double *io)
+{
+    fft(n, true, ri, ii, ro, io);
+}
+
+}
+
+_VAMP_SDK_PLUGSPACE_END(FFT.cpp)
+