98 lines
3.4 KiB
C++
98 lines
3.4 KiB
C++
/***************************************************************************
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* Copyright (C) 2008-2014 by Andrzej Rybczak *
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* electricityispower@gmail.com *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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***************************************************************************/
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#ifndef NCMPCPP_VISUALIZER_H
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#define NCMPCPP_VISUALIZER_H
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#include "config.h"
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#ifdef ENABLE_VISUALIZER
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#include <boost/date_time/posix_time/posix_time_types.hpp>
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#include "interfaces.h"
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#include "screen.h"
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#include "window.h"
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#ifdef HAVE_FFTW3_H
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# include <fftw3.h>
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#endif
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struct Visualizer: Screen<NC::Window>, Tabbable
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{
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Visualizer();
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virtual void switchTo() OVERRIDE;
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virtual void resize() OVERRIDE;
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virtual std::wstring title() OVERRIDE;
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virtual ScreenType type() OVERRIDE { return ScreenType::Visualizer; }
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virtual void update() OVERRIDE;
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virtual void scroll(NC::Scroll) OVERRIDE { }
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virtual int windowTimeout() OVERRIDE;
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virtual void enterPressed() OVERRIDE { }
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virtual void spacePressed() OVERRIDE;
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virtual void mouseButtonPressed(MEVENT) OVERRIDE { }
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virtual bool isLockable() OVERRIDE { return true; }
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virtual bool isMergable() OVERRIDE { return true; }
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// private members
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void SetFD();
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void ResetFD();
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void FindOutputID();
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private:
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void DrawSoundWave(int16_t *, ssize_t, size_t, size_t);
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void DrawSoundWaveStereo(int16_t *, int16_t *, ssize_t, size_t);
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void DrawSoundWaveFill(int16_t *, ssize_t, size_t, size_t);
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void DrawSoundWaveFillStereo(int16_t *, int16_t *, ssize_t, size_t);
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void DrawSoundEllipse(int16_t *, ssize_t, size_t, size_t);
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void DrawSoundEllipseStereo(int16_t *, int16_t *, ssize_t, size_t);
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# ifdef HAVE_FFTW3_H
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void DrawFrequencySpectrum(int16_t *, ssize_t, size_t, size_t);
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void DrawFrequencySpectrumStereo(int16_t *, int16_t *, ssize_t, size_t);
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# endif // HAVE_FFTW3_H
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int m_output_id;
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boost::posix_time::ptime m_timer;
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int m_fifo;
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size_t m_samples;
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# ifdef HAVE_FFTW3_H
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size_t m_fftw_results;
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double *m_fftw_input;
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fftw_complex *m_fftw_output;
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fftw_plan m_fftw_plan;
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std::vector<double> m_freq_magnitudes;
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# endif // HAVE_FFTW3_H
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};
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extern Visualizer *myVisualizer;
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#endif // ENABLE_VISUALIZER
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#endif // NCMPCPP_VISUALIZER_H
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/* vim: set tabstop=4 softtabstop=4 shiftwidth=4 noexpandtab : */
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