Add new resampler class and use it in engine.

1 files changed, 65 insertions, 0 deletions

diff --git a/src/chresampler.h b/src/chresampler.h
new file mode 100644
index 0000000..5943627
--- /dev/null
+++ b/src/chresampler.h
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            chresampler.h
+ *
+ *  Tue Sep 23 20:42:14 CEST 2014
+ *  Copyright 2014 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  This file is part of DrumGizmo.
+ *
+ *  DrumGizmo 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 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  DrumGizmo 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 DrumGizmo; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+ */
+#ifndef __DRUMGIZMO_CHRESAMPLER_H__
+#define __DRUMGIZMO_CHRESAMPLER_H__
+
+#include <stdlib.h>
+
+/**
+ * Channel resampler class using either zita-resampler or secret rabbit code
+ * (really!!) depending on the value of the WITH_RESAMPLER macro.
+ * If WITH_RESAMPLER is unset the resampler is disabled entirely.
+ * If WITH_RESAMPLER=="zita" zita-resampler will be used.
+ * If WITH_RESAMPLER=="src" Secret Rabbit Code will be used.
+ */
+class CHResampler {
+public:
+  CHResampler();
+  ~CHResampler();
+
+  void setup(double input_fs, double output_fs);
+
+  void setInputSamples(float *samples, size_t count);
+  void setOutputSamples(float *samples, size_t count);
+
+  void process();
+
+  size_t getInputSampleCount();
+  size_t getOutputSampleCount();
+
+  double ratio();
+
+private:
+  class Prv;
+  Prv *prv;
+
+  double input_fs;
+  double output_fs;
+};
+
+
+#endif/*__DRUMGIZMO_CHRESAMPLER_H__*/