hvirtual/plugins/pitch/pitch.h

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#ifndef PITCH_H
#define PITCH_H



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


class PitchEffect;

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

class PitchWindow : public BC_Window
{
public:
        PitchWindow(PitchEffect *plugin, int x, int y);
        void create_objects();
        void update();
        int close_event();
        PitchScale *scale;
        PitchEffect *plugin;
};

PLUGIN_THREAD_HEADER(PitchEffect, PitchThread, PitchWindow)


class PitchConfig
{
public:
        PitchConfig();


        int equivalent(PitchConfig &that);
        void copy_from(PitchConfig &that);
        void interpolate(PitchConfig &prev, 
                PitchConfig &next, 
                int64_t prev_frame, 
                int64_t next_frame, 
                int64_t current_frame);


        double scale;
};

class PitchFFT : public CrossfadeFFT
{
public:
        PitchFFT(PitchEffect *plugin);
        ~PitchFFT();
        int signal_process_oversample(int reset);
        int read_samples(int64_t output_sample, 
                int samples, 
                double *buffer);
        PitchEffect *plugin;
        
        double *last_phase;
        double *new_freq;
        double *new_magn;
        double *sum_phase;
        double *anal_freq;
        double *anal_magn;
};

class PitchEffect : public PluginAClient
{
public:
        PitchEffect(PluginServer *server);
        ~PitchEffect();

        VFrame* new_picon();
        char* plugin_title();
        int is_realtime();
        void read_data(KeyFrame *keyframe);
        void save_data(KeyFrame *keyframe);
        int process_buffer(int64_t size, 
                double *buffer,
                int64_t start_position,
                int sample_rate);
        int show_gui();
        void raise_window();
        int set_string();




        int load_defaults();
        int save_defaults();
        int load_configuration();
        void reset();
        void update_gui();


        BC_Hash *defaults;
        PitchThread *thread;
        PitchFFT *fft;
        PitchConfig config;
};


#endif

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