plugins/invertvideo/invert.C

   1 #include "bcdisplayinfo.h"
   2 #include "clip.h"
   3 #include "bchash.h"
   4 #include "filexml.h"
   5 #include "guicast.h"
   6 #include "language.h"
   7 #include "picon_png.h"
   8 #include "plugincolors.h"
   9 #include "pluginvclient.h"
  10 #include "vframe.h"
  11
  12 #include <stdint.h>
  13 #include <string.h>
  14
  15
  16
  17 class InvertVideoEffect;
  18
  19
  20 class InvertVideoConfig
  21 {
  22 public:
  23         InvertVideoConfig();
  24
  25         void copy_from(InvertVideoConfig &src);
  26         int equivalent(InvertVideoConfig &src);
  27         void interpolate(InvertVideoConfig &prev,
  28                 InvertVideoConfig &next,
  29                 long prev_frame,
  30                 long next_frame,
  31                 long current_frame);
  32
  33         int r, g, b, a;
  34 };
  35
  36 class InvertVideoEnable : public BC_CheckBox
  37 {
  38 public:
  39         InvertVideoEnable(InvertVideoEffect *plugin, int *output, int x, int y, char *text);
  40         int handle_event();
  41         InvertVideoEffect *plugin;
  42         int *output;
  43 };
  44
  45 class InvertVideoWindow : public BC_Window
  46 {
  47 public:
  48         InvertVideoWindow(InvertVideoEffect *plugin, int x, int y);
  49         void create_objects();
  50         int close_event();
  51         InvertVideoEnable *r, *g, *b, *a;
  52         InvertVideoEffect *plugin;
  53 };
  54
  55 PLUGIN_THREAD_HEADER(InvertVideoEffect, InvertVideoThread, InvertVideoWindow)
  56
  57 class InvertVideoEffect : public PluginVClient
  58 {
  59 public:
  60         InvertVideoEffect(PluginServer *server);
  61         ~InvertVideoEffect();
  62         int process_buffer(VFrame *frame,
  63                 int64_t start_position,
  64                 double frame_rate);
  65         int is_realtime();
  66         char* plugin_title();
  67         VFrame* new_picon();
  68         int load_defaults();
  69         int save_defaults();
  70         void save_data(KeyFrame *keyframe);
  71         void read_data(KeyFrame *keyframe);
  72         void update_gui();
  73         int show_gui();
  74         void raise_window();
  75         int set_string();
  76         int load_configuration();
  77
  78         InvertVideoConfig config;
  79         InvertVideoThread *thread;
  80         BC_Hash *defaults;
  81 };
  82
  83
  84
  85
  86
  87 REGISTER_PLUGIN(InvertVideoEffect)
  88
  89
  90
  91
  92
  93
  94
  95 InvertVideoConfig::InvertVideoConfig()
  96 {
  97         r = 1;
  98         g = 1;
  99         b = 1;
 100         a = 1;
 101 }
 102
 103 void InvertVideoConfig::copy_from(InvertVideoConfig &src)
 104 {
 105         r = src.r;
 106         g = src.g;
 107         b = src.b;
 108         a = src.a;
 109 }
 110
 111 int InvertVideoConfig::equivalent(InvertVideoConfig &src)
 112 {
 113         return r == src.r &&
 114                 g == src.g &&
 115                 b == src.b &&
 116                 a == src.a;
 117 }
 118
 119 void InvertVideoConfig::interpolate(InvertVideoConfig &prev,
 120         InvertVideoConfig &next,
 121         long prev_frame,
 122         long next_frame,
 123         long current_frame)
 124 {
 125         r = prev.r;
 126         g = prev.g;
 127         b = prev.b;
 128         a = prev.a;
 129 }
 130
 131
 132
 133
 134 InvertVideoEnable::InvertVideoEnable(InvertVideoEffect *plugin, int *output, int x, int y, char *text)
 135  : BC_CheckBox(x, y, *output, text)
 136 {
 137         this->plugin = plugin;
 138         this->output = output;
 139 }
 140 int InvertVideoEnable::handle_event()
 141 {
 142         *output = get_value();
 143         plugin->send_configure_change();
 144         return 1;
 145 }
 146
 147
 148
 149
 150
 151 InvertVideoWindow::InvertVideoWindow(InvertVideoEffect *plugin, int x, int y)
 152  : BC_Window(plugin->gui_string,
 153         x,
 154         y,
 155         260,
 156         130,
 157         260,
 158         130,
 159         0,
 160         0,
 161         1)
 162 {
 163         this->plugin = plugin;
 164 }
 165
 166 void InvertVideoWindow::create_objects()
 167 {
 168         int x = 10, y = 10;
 169         add_subwindow(r = new InvertVideoEnable(plugin, &plugin->config.r, x, y, _("Invert R")));
 170         y += 30;
 171         add_subwindow(g = new InvertVideoEnable(plugin, &plugin->config.g, x, y, _("Invert G")));
 172         y += 30;
 173         add_subwindow(b = new InvertVideoEnable(plugin, &plugin->config.b, x, y, _("Invert B")));
 174         y += 30;
 175         add_subwindow(a = new InvertVideoEnable(plugin, &plugin->config.a, x, y, _("Invert A")));
 176
 177         show_window();
 178         flush();
 179 }
 180
 181 WINDOW_CLOSE_EVENT(InvertVideoWindow)
 182
 183
 184
 185
 186
 187 PLUGIN_THREAD_OBJECT(InvertVideoEffect, InvertVideoThread, InvertVideoWindow)
 188
 189
 190
 191
 192
 193
 194 InvertVideoEffect::InvertVideoEffect(PluginServer *server)
 195  : PluginVClient(server)
 196 {
 197         PLUGIN_CONSTRUCTOR_MACRO
 198 }
 199 InvertVideoEffect::~InvertVideoEffect()
 200 {
 201         PLUGIN_DESTRUCTOR_MACRO
 202 }
 203
 204 char* InvertVideoEffect::plugin_title() { return N_("Invert Video"); }
 205 int InvertVideoEffect::is_realtime() { return 1; }
 206
 207 NEW_PICON_MACRO(InvertVideoEffect)
 208 SHOW_GUI_MACRO(InvertVideoEffect, InvertVideoThread)
 209 RAISE_WINDOW_MACRO(InvertVideoEffect)
 210 SET_STRING_MACRO(InvertVideoEffect)
 211 LOAD_CONFIGURATION_MACRO(InvertVideoEffect, InvertVideoConfig)
 212
 213 void InvertVideoEffect::update_gui()
 214 {
 215         if(thread)
 216         {
 217                 thread->window->lock_window();
 218                 load_configuration();
 219                 thread->window->r->update(config.r);
 220                 thread->window->g->update(config.g);
 221                 thread->window->b->update(config.b);
 222                 thread->window->a->update(config.a);
 223                 thread->window->unlock_window();
 224         }
 225 }
 226
 227 int InvertVideoEffect::load_defaults()
 228 {
 229         char directory[BCTEXTLEN];
 230         sprintf(directory, "%sinvertvideo.rc", BCASTDIR);
 231         defaults = new BC_Hash(directory);
 232         defaults->load();
 233         config.r = defaults->get("R", config.r);
 234         config.g = defaults->get("G", config.g);
 235         config.b = defaults->get("B", config.b);
 236         config.a = defaults->get("A", config.a);
 237         return 0;
 238 }
 239
 240 int InvertVideoEffect::save_defaults()
 241 {
 242         defaults->update("R", config.r);
 243         defaults->update("G", config.g);
 244         defaults->update("B", config.b);
 245         defaults->update("A", config.a);
 246         defaults->save();
 247         return 0;
 248 }
 249
 250 void InvertVideoEffect::save_data(KeyFrame *keyframe)
 251 {
 252         FileXML output;
 253         output.set_shared_string(keyframe->data, MESSAGESIZE);
 254         output.tag.set_title("INVERTVIDEO");
 255         output.tag.set_property("R", config.r);
 256         output.tag.set_property("G", config.g);
 257         output.tag.set_property("B", config.b);
 258         output.tag.set_property("A", config.a);
 259         output.append_tag();
 260         output.terminate_string();
 261 }
 262
 263 void InvertVideoEffect::read_data(KeyFrame *keyframe)
 264 {
 265         FileXML input;
 266         input.set_shared_string(keyframe->data, strlen(keyframe->data));
 267         while(!input.read_tag())
 268         {
 269                 if(input.tag.title_is("INVERTVIDEO"))
 270                 {
 271                         config.r = input.tag.get_property("R", config.r);
 272                         config.g = input.tag.get_property("G", config.g);
 273                         config.b = input.tag.get_property("B", config.b);
 274                         config.a = input.tag.get_property("A", config.a);
 275                 }
 276         }
 277 }
 278
 279
 280 #define INVERT_MACRO(type, components, max) \
 281 { \
 282         for(int i = 0; i < frame->get_h(); i++) \
 283         { \
 284                 type *in_row = (type*)frame->get_rows()[i]; \
 285                 type *out_row = (type*)frame->get_rows()[i]; \
 286  \
 287                 for(int j = 0; j < w; j++) \
 288                 { \
 289                         if(config.r) out_row[0] = max - in_row[0]; \
 290                         if(config.g) out_row[1] = max - in_row[1]; \
 291                         if(config.b) out_row[2] = max - in_row[2]; \
 292                         if(components == 4) \
 293                                 if(config.a) out_row[3] = max - in_row[3]; \
 294  \
 295                         in_row += components; \
 296                         out_row += components; \
 297                 } \
 298         } \
 299 }
 300
 301 int InvertVideoEffect::process_buffer(VFrame *frame,
 302         int64_t start_position,
 303         double frame_rate)
 304 {
 305         load_configuration();
 306
 307         read_frame(frame,
 308                 0,
 309                 start_position,
 310                 frame_rate);
 311
 312
 313         if(config.r || config.g || config.b || config.a)
 314         {
 315                 int w = frame->get_w();
 316
 317                 switch(frame->get_color_model())
 318                 {
 319                         case BC_RGB_FLOAT:
 320                                 INVERT_MACRO(float, 3, 1.0)
 321                                 break;
 322                         case BC_RGB888:
 323                         case BC_YUV888:
 324                                 INVERT_MACRO(unsigned char, 3, 0xff)
 325                                 break;
 326                         case BC_RGBA_FLOAT:
 327                                 INVERT_MACRO(float, 4, 1.0)
 328                                 break;
 329                         case BC_RGBA8888:
 330                         case BC_YUVA8888:
 331                                 INVERT_MACRO(unsigned char, 4, 0xff)
 332                                 break;
 333                         case BC_RGB161616:
 334                         case BC_YUV161616:
 335                                 INVERT_MACRO(uint16_t, 3, 0xffff)
 336                                 break;
 337                         case BC_RGBA16161616:
 338                         case BC_YUVA16161616:
 339                                 INVERT_MACRO(uint16_t, 4, 0xffff)
 340                                 break;
 341                 }
 342         }
 343
 344         return 0;
 345 }
 346
 347