refactor: Move chunkware to third_party

third_party/chunkware_dsp/SimpleComp.cpp

@@ -0,0 +1,101 @@
+/*
+ *  Simple Compressor (source)
+ *
+ *  File        : SimpleComp.cpp
+ *  Library     : SimpleSource
+ *  Version     : 1.12
+ *  Implements  : SimpleComp, SimpleCompRms
+ *
+ *  © 2006, ChunkWare Music Software, OPEN-SOURCE
+ *
+ *  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 OR COPYRIGHT HOLDERS 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.
+ */
+
+
+#include "SimpleComp.h"
+
+namespace chunkware_simple
+{
+    //-------------------------------------------------------------
+    // simple compressor
+    //-------------------------------------------------------------
+    SimpleComp::SimpleComp()
+        : AttRelEnvelope(10.0, 100.0)
+        , threshdB_(0.0)
+        , ratio_(1.0)
+        , envdB_(DC_OFFSET)
+        , makeUpGain_(1.0)
+    {
+    }
+
+    //-------------------------------------------------------------
+    void SimpleComp::setThresh(double dB)
+    {
+        threshdB_ = dB;
+    }
+
+    //-------------------------------------------------------------
+    void SimpleComp::setRatio(double ratio)
+    {
+        assert(ratio > 0.0);
+        ratio_ = ratio;
+    }
+
+    //-------------------------------------------------------------
+    void SimpleComp::setMakeUpGain(double gain)
+    {
+        makeUpGain_ = gain;
+    }
+
+    //-------------------------------------------------------------
+    void SimpleComp::initRuntime(void)
+    {
+        envdB_ = DC_OFFSET;
+    }
+
+    //-------------------------------------------------------------
+    // simple compressor with RMS detection
+    //-------------------------------------------------------------
+    SimpleCompRms::SimpleCompRms()
+        : ave_(5.0)
+        , aveOfSqrs_(DC_OFFSET)
+    {
+    }
+
+    //-------------------------------------------------------------
+    void SimpleCompRms::setSampleRate(double sampleRate)
+    {
+        SimpleComp::setSampleRate(sampleRate);
+        ave_.setSampleRate(sampleRate);
+    }
+
+    //-------------------------------------------------------------
+    void SimpleCompRms::setWindow(double ms)
+    {
+        ave_.setTc(ms);
+    }
+
+    //-------------------------------------------------------------
+    void SimpleCompRms::initRuntime(void)
+    {
+        SimpleComp::initRuntime();
+        aveOfSqrs_ = DC_OFFSET;
+    }
+
+}   // end namespace chunkware_simple