audio-algo-chunkware/audio/algo/chunkware/CompressorRms.h

56 lines
2.0 KiB
C++

/**
* @author Bojan MARKOVIC
* @author Edouard DUPIN
* @copyright 2006, ChunkWare Music Software, OPEN-SOURCE
* @license BSD-1 (see license file)
*
* 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.
*/
#ifndef __AUDIO_ALGO_CHUNKWARE_COMPRESSOR_RMS_H__
#define __AUDIO_ALGO_CHUNKWARE_COMPRESSOR_RMS_H__
#include <audio/algo/chunkware/Compressor.h>
namespace audio {
namespace algo {
namespace chunkware {
class CompresssorRms : public Compresssor {
public:
CompresssorRms();
virtual ~CompresssorRms() {}
// sample rate
virtual void setSampleRate(double sampleRate);
// RMS window
virtual void setWindow(double ms);
virtual double getWindow() const { return m_averager.getTc(); }
// runtime process
virtual void initRuntime(); // call before runtime (in resume())
void process(double &in1, double &in2); // compressor runtime process
protected:
EnvelopeDetector m_averager; //!< averager
double m_averageSuares; //!< average of squares
};
}
}
}
#endif