plugins/histogram/histogram.h

   1 #ifndef HISTOGRAM_H
   2 #define HISTOGRAM_H
   3
   4
   5 #include "histogram.inc"
   6 #include "histogramconfig.h"
   7 #include "histogramwindow.inc"
   8 #include "loadbalance.h"
   9 #include "plugincolors.h"
  10 #include "pluginvclient.h"
  11
  12
  13 class HistogramMain : public PluginVClient
  14 {
  15 public:
  16         HistogramMain(PluginServer *server);
  17         ~HistogramMain();
  18
  19         int process_buffer(VFrame *frame,
  20                 int64_t start_position,
  21                 double frame_rate);
  22         int is_realtime();
  23         int load_defaults();
  24         int save_defaults();
  25         void save_data(KeyFrame *keyframe);
  26         void read_data(KeyFrame *keyframe);
  27         void update_gui();
  28         void render_gui(void *data);
  29         int calculate_use_opengl();
  30         int handle_opengl();
  31
  32         PLUGIN_CLASS_MEMBERS(HistogramConfig, HistogramThread)
  33
  34 // Interpolate quantized transfer table to linear output
  35         float calculate_linear(float input, int mode, int do_value);
  36         float calculate_smooth(float input, int subscript);
  37 // Convert input to smoothed output by looking up in smooth table.
  38         float calculate_curve(float input);
  39 // Calculate automatic settings
  40         void calculate_automatic(VFrame *data);
  41 // Calculate histogram.
  42 // Value is only calculated for preview.
  43         void calculate_histogram(VFrame *data, int do_value);
  44 // Calculate the linear, smoothed, lookup curves
  45         void tabulate_curve(int subscript, int use_value);
  46
  47
  48
  49
  50         YUV yuv;
  51         VFrame *input, *output;
  52         HistogramEngine *engine;
  53         int *lookup[HISTOGRAM_MODES];
  54         float *smoothed[HISTOGRAM_MODES];
  55         float *linear[HISTOGRAM_MODES];
  56 // No value applied to this
  57         int *preview_lookup[HISTOGRAM_MODES];
  58         int *accum[HISTOGRAM_MODES];
  59 // Input point being dragged or edited
  60         int current_point;
  61 // Current channel being viewed
  62         int mode;
  63         int dragging_point;
  64         int point_x_offset;
  65         int point_y_offset;
  66 };
  67
  68 class HistogramPackage : public LoadPackage
  69 {
  70 public:
  71         HistogramPackage();
  72         int start, end;
  73 };
  74
  75 class HistogramUnit : public LoadClient
  76 {
  77 public:
  78         HistogramUnit(HistogramEngine *server, HistogramMain *plugin);
  79         ~HistogramUnit();
  80         void process_package(LoadPackage *package);
  81         HistogramEngine *server;
  82         HistogramMain *plugin;
  83         int *accum[5];
  84 };
  85
  86 class HistogramEngine : public LoadServer
  87 {
  88 public:
  89         HistogramEngine(HistogramMain *plugin,
  90                 int total_clients,
  91                 int total_packages);
  92         void process_packages(int operation, VFrame *data, int do_value);
  93         void init_packages();
  94         LoadClient* new_client();
  95         LoadPackage* new_package();
  96         HistogramMain *plugin;
  97         int total_size;
  98
  99
 100         int operation;
 101         enum
 102         {
 103                 HISTOGRAM,
 104                 APPLY
 105         };
 106         VFrame *data;
 107         int do_value;
 108 };
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 119
 120 #endif