plugins/pitch/pitch.h

   1 #ifndef PITCH_H
   2 #define PITCH_H
   3
   4
   5
   6 #include "bchash.inc"
   7 #include "fourier.h"
   8 #include "guicast.h"
   9 #include "mutex.h"
  10 #include "pluginaclient.h"
  11 #include "vframe.inc"
  12
  13
  14 class PitchEffect;
  15
  16 class PitchScale : public BC_FPot
  17 {
  18 public:
  19         PitchScale(PitchEffect *plugin, int x, int y);
  20         int handle_event();
  21         PitchEffect *plugin;
  22 };
  23
  24 class PitchWindow : public BC_Window
  25 {
  26 public:
  27         PitchWindow(PitchEffect *plugin, int x, int y);
  28         void create_objects();
  29         void update();
  30         int close_event();
  31         PitchScale *scale;
  32         PitchEffect *plugin;
  33 };
  34
  35 PLUGIN_THREAD_HEADER(PitchEffect, PitchThread, PitchWindow)
  36
  37
  38 class PitchConfig
  39 {
  40 public:
  41         PitchConfig();
  42
  43
  44         int equivalent(PitchConfig &that);
  45         void copy_from(PitchConfig &that);
  46         void interpolate(PitchConfig &prev,
  47                 PitchConfig &next,
  48                 int64_t prev_frame,
  49                 int64_t next_frame,
  50                 int64_t current_frame);
  51
  52
  53         double scale;
  54 };
  55
  56 class PitchFFT : public CrossfadeFFT
  57 {
  58 public:
  59         PitchFFT(PitchEffect *plugin);
  60         ~PitchFFT();
  61         int signal_process_oversample(int reset);
  62         int read_samples(int64_t output_sample,
  63                 int samples,
  64                 double *buffer);
  65         PitchEffect *plugin;
  66
  67         double *last_phase;
  68         double *new_freq;
  69         double *new_magn;
  70         double *sum_phase;
  71         double *anal_freq;
  72         double *anal_magn;
  73 };
  74
  75 class PitchEffect : public PluginAClient
  76 {
  77 public:
  78         PitchEffect(PluginServer *server);
  79         ~PitchEffect();
  80
  81         VFrame* new_picon();
  82         char* plugin_title();
  83         int is_realtime();
  84         void read_data(KeyFrame *keyframe);
  85         void save_data(KeyFrame *keyframe);
  86         int process_buffer(int64_t size,
  87                 double *buffer,
  88                 int64_t start_position,
  89                 int sample_rate);
  90         int show_gui();
  91         void raise_window();
  92         int set_string();
  93
  94
  95
  96
  97         int load_defaults();
  98         int save_defaults();
  99         int load_configuration();
 100         void reset();
 101         void update_gui();
 102
 103
 104         BC_Hash *defaults;
 105         PitchThread *thread;
 106         PitchFFT *fft;
 107         PitchConfig config;
 108 };
 109
 110
 111 #endif