You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
86 lines
2.6 KiB
86 lines
2.6 KiB
/*************************************************************************** |
|
* Copyright (C) 2008-2009 by Andrzej Rybczak * |
|
* electricityispower@gmail.com * |
|
* * |
|
* 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 2 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, write to the * |
|
* Free Software Foundation, Inc., * |
|
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. * |
|
***************************************************************************/ |
|
|
|
#ifndef _VISUALIZER_H |
|
#define _VISUALIZER_H |
|
|
|
#ifdef HAVE_CONFIG_H |
|
#include <config.h> |
|
#endif |
|
|
|
#ifdef ENABLE_VISUALIZER |
|
|
|
#include "window.h" |
|
#include "screen.h" |
|
|
|
#include <fftw3.h> |
|
|
|
class Visualizer : public Screen<Window> |
|
{ |
|
public: |
|
virtual void SwitchTo(); |
|
virtual void Resize(); |
|
|
|
virtual std::basic_string<my_char_t> Title(); |
|
|
|
virtual void Update(); |
|
virtual void Scroll(Where, const int *) { } |
|
|
|
virtual void EnterPressed() { } |
|
virtual void SpacePressed(); |
|
virtual void MouseButtonPressed(MEVENT) { } |
|
|
|
virtual NCurses::List *GetList() { return 0; } |
|
|
|
virtual bool allowsSelection() { return false; } |
|
|
|
void SetFD(); |
|
void ResetFD(); |
|
|
|
protected: |
|
virtual void Init(); |
|
|
|
private: |
|
void DrawSoundWave(int16_t *, ssize_t); |
|
# ifdef HAVE_FFTW3_H |
|
void DrawFrequencySpectrum(int16_t *, ssize_t); |
|
# endif // HAVE_FFTW3_H |
|
|
|
int itsFifo; |
|
# ifdef HAVE_FFTW3_H |
|
unsigned *itsFreqsMagnitude; |
|
double *itsInput; |
|
fftw_complex *itsOutput; |
|
fftw_plan itsPlan; |
|
# endif // HAVE_FFTW3_H |
|
|
|
static const unsigned Samples; |
|
# ifdef HAVE_FFTW3_H |
|
static const unsigned FFTResults; |
|
# endif // HAVE_FFTW3_H |
|
|
|
}; |
|
|
|
extern Visualizer *myVisualizer; |
|
|
|
#endif // ENABLE_VISUALIZER |
|
|
|
#endif |
|
|
|
|