1 files changed, 60 insertions, 0 deletions
diff --git a/src/riff.cpp b/src/riff.cpp
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+++ b/src/riff.cpp
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+/*
+    cw_binaural~: a binaural synthesis external for pure data
+    by David Doukhan - david.doukhan@gmail.com - http://www.limsi.fr/Individu/doukhan
+    and Anne Sedes - sedes.anne@gmail.com
+    Copyright (C) 2009-2011  David Doukhan and Anne Sedes
+
+    For more details, see CW_binaural~, a binaural synthesis external for Pure Data
+    David Doukhan and Anne Sedes, PDCON09
+
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "riff.hpp"
+
+
+Riff::Riff(int size): GenericRiff(size)
+{
+  _fifo = new float[size];
+  _fifo_id = size-1;
+  for (int i = 0; i < size; ++i)
+    _fifo[i] = 0;
+}
+
+Riff::~Riff()
+{
+
+  delete [] _fifo;
+}
+
+void Riff::process(float* input, float* output, int n)
+{
+  int i,j;
+  float* curcoeff;
+  
+  for (i = 0; i < n; ++i)
+    {
+      float out = 0;
+      _fifo[_fifo_id] = input[i];
+      
+      for (j = _fifo_id, curcoeff = _coeffs; j < _size; ++j, ++curcoeff)
+	out += _fifo[j] * *curcoeff;
+      for (j = 0; j < _fifo_id; ++j, ++curcoeff)
+	out += _fifo[j] * *curcoeff;
+      
+      output[i] = out;
+      _fifo_id = _fifo_id ? _fifo_id - 1 : _size - 1;
+    }
+}