hvirtual/plugins/spectrogram/spectrogram.h

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#ifndef SPECTROGRAM_H
#define SPECTROGRAM_H






#include "bchash.inc"
#include "fourier.h"
#include "guicast.h"
#include "mutex.h"
#include "pluginaclient.h"
#include "vframe.inc"




class Spectrogram;
class SpectrogramFFT;


class SpectrogramLevel : public BC_FPot
{
public:
        SpectrogramLevel(Spectrogram *plugin, int x, int y);
        int handle_event();
        Spectrogram *plugin;
};


class SpectrogramWindow : public BC_Window
{
public:
        SpectrogramWindow(Spectrogram *plugin, int x, int y);
        ~SpectrogramWindow();

        void create_objects();
        int close_event();
        void update_gui();

        SpectrogramLevel *level;
        Spectrogram *plugin;
        int done;
        BC_SubWindow *canvas;
};



PLUGIN_THREAD_HEADER(Spectrogram, SpectrogramThread, SpectrogramWindow)



class SpectrogramFFT : public CrossfadeFFT
{
public:
        SpectrogramFFT(Spectrogram *plugin);
        ~SpectrogramFFT();
        
        int signal_process();
        int read_samples(int64_t output_sample, 
                int samples, 
                double *buffer);

        Spectrogram *plugin;
};


class SpectrogramConfig
{
public:
        SpectrogramConfig();
        double level;
};


class Spectrogram : public PluginAClient
{
public:
        Spectrogram(PluginServer *server);
        ~Spectrogram();
        
        VFrame* new_picon();
        char* plugin_title();
        int is_realtime();
        int process_buffer(int64_t size, 
                double *buffer,
                int64_t start_position,
                int sample_rate);
        int show_gui();
        void raise_window();
        int set_string();
        void load_configuration();
        int load_defaults();
        int save_defaults();
        void read_data(KeyFrame *keyframe);
        void save_data(KeyFrame *keyframe);
        void update_gui();
        void render_gui(void *data, int size);  
        
        void reset();

        int done;

        int need_reconfigure;
        BC_Hash *defaults;
        SpectrogramConfig config;
        SpectrogramThread *thread;
        SpectrogramFFT *fft;
        float *data;
        int total_windows;
};


#endif

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