cinelerra-5.0/plugins/shiftinterlace/shiftinterlace.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #include "bcdisplayinfo.h"
  23 #include "clip.h"
  24 #include "bchash.h"
  25 #include "filexml.h"
  26 #include "guicast.h"
  27 #include "language.h"
  28 #include "pluginvclient.h"
  29 #include "vframe.h"
  30
  31
  32
  33 #include <stdint.h>
  34 #include <string.h>
  35
  36
  37
  38
  39
  40
  41
  42 class ShiftInterlaceWindow;
  43 class ShiftInterlaceMain;
  44
  45 class ShiftInterlaceConfig
  46 {
  47 public:
  48         ShiftInterlaceConfig();
  49
  50         int equivalent(ShiftInterlaceConfig &that);
  51         void copy_from(ShiftInterlaceConfig &that);
  52         void interpolate(ShiftInterlaceConfig &prev,
  53                 ShiftInterlaceConfig &next,
  54                 long prev_frame,
  55                 long next_frame,
  56                 long current_frame);
  57
  58
  59         int odd_offset;
  60         int even_offset;
  61 };
  62
  63
  64 class ShiftInterlaceOdd : public BC_ISlider
  65 {
  66 public:
  67         ShiftInterlaceOdd(ShiftInterlaceMain *plugin, int x, int y);
  68         int handle_event();
  69         ShiftInterlaceMain *plugin;
  70 };
  71
  72 class ShiftInterlaceEven : public BC_ISlider
  73 {
  74 public:
  75         ShiftInterlaceEven(ShiftInterlaceMain *plugin, int x, int y);
  76         int handle_event();
  77         ShiftInterlaceMain *plugin;
  78 };
  79
  80 class ShiftInterlaceWindow : public PluginClientWindow
  81 {
  82 public:
  83         ShiftInterlaceWindow(ShiftInterlaceMain *plugin);
  84
  85         void create_objects();
  86
  87         ShiftInterlaceOdd *odd_offset;
  88         ShiftInterlaceEven *even_offset;
  89         ShiftInterlaceMain *plugin;
  90 };
  91
  92
  93
  94
  95
  96
  97 class ShiftInterlaceMain : public PluginVClient
  98 {
  99 public:
 100         ShiftInterlaceMain(PluginServer *server);
 101         ~ShiftInterlaceMain();
 102
 103 // required for all realtime plugins
 104         PLUGIN_CLASS_MEMBERS(ShiftInterlaceConfig)
 105         int process_realtime(VFrame *input_ptr, VFrame *output_ptr);
 106         int is_realtime();
 107         void update_gui();
 108         void save_data(KeyFrame *keyframe);
 109         void read_data(KeyFrame *keyframe);
 110
 111
 112         void shift_row(VFrame *input_frame,
 113                 VFrame *output_frame,
 114                 int offset,
 115                 int row);
 116
 117
 118 };
 119
 120
 121
 122
 123 PluginClient* new_plugin(PluginServer *server)
 124 {
 125         return new ShiftInterlaceMain(server);
 126 }
 127
 128
 129
 130
 131 ShiftInterlaceConfig::ShiftInterlaceConfig()
 132 {
 133         odd_offset = 0;
 134         even_offset = 0;
 135 }
 136
 137
 138 int ShiftInterlaceConfig::equivalent(ShiftInterlaceConfig &that)
 139 {
 140         return (odd_offset == that.odd_offset &&
 141                 even_offset == that.even_offset);
 142 }
 143
 144 void ShiftInterlaceConfig::copy_from(ShiftInterlaceConfig &that)
 145 {
 146         odd_offset = that.odd_offset;
 147         even_offset = that.even_offset;
 148 }
 149
 150 void ShiftInterlaceConfig::interpolate(ShiftInterlaceConfig &prev,
 151                 ShiftInterlaceConfig &next,
 152                 long prev_frame,
 153                 long next_frame,
 154                 long current_frame)
 155 {
 156         double next_scale = (double)(current_frame - prev_frame) / (next_frame - prev_frame);
 157         double prev_scale = (double)(next_frame - current_frame) / (next_frame - prev_frame);
 158
 159         this->odd_offset = (int)(prev.odd_offset * prev_scale + next.odd_offset * next_scale);
 160         this->even_offset = (int)(prev.even_offset * prev_scale + next.even_offset * next_scale);
 161 }
 162
 163
 164
 165
 166
 167
 168 ShiftInterlaceWindow::ShiftInterlaceWindow(ShiftInterlaceMain *plugin)
 169  : PluginClientWindow(plugin,
 170         310,
 171         100,
 172         310,
 173         100,
 174         0)
 175 {
 176         this->plugin = plugin;
 177 }
 178
 179
 180 void ShiftInterlaceWindow::create_objects()
 181 {
 182         int x = 10, y = 10;
 183         int margin = 30;
 184
 185         add_subwindow(new BC_Title(x, y, _("Odd offset:")));
 186         add_subwindow(odd_offset = new ShiftInterlaceOdd(plugin, x + 90, y));
 187         y += margin;
 188         add_subwindow(new BC_Title(x, y, _("Even offset:")));
 189         add_subwindow(even_offset = new ShiftInterlaceEven(plugin, x + 90, y));
 190
 191         show_window();
 192         flush();
 193 }
 194
 195
 196
 197 ShiftInterlaceOdd::ShiftInterlaceOdd(ShiftInterlaceMain *plugin, int x, int y)
 198  : BC_ISlider(x,
 199         y,
 200         0,
 201         200,
 202         200,
 203         -100,
 204         100,
 205         plugin->config.odd_offset)
 206 {
 207         this->plugin = plugin;
 208 }
 209 int ShiftInterlaceOdd::handle_event()
 210 {
 211         plugin->config.odd_offset = get_value();
 212         plugin->send_configure_change();
 213         return 1;
 214 }
 215
 216
 217
 218
 219 ShiftInterlaceEven::ShiftInterlaceEven(ShiftInterlaceMain *plugin, int x, int y)
 220  : BC_ISlider(x,
 221         y,
 222         0,
 223         200,
 224         200,
 225         -100,
 226         100,
 227         plugin->config.even_offset)
 228 {
 229         this->plugin = plugin;
 230 }
 231
 232
 233 int ShiftInterlaceEven::handle_event()
 234 {
 235         plugin->config.even_offset = get_value();
 236         plugin->send_configure_change();
 237         return 1;
 238 }
 239
 240
 241
 242
 243
 244
 245
 246
 247
 248
 249
 250 ShiftInterlaceMain::ShiftInterlaceMain(PluginServer *server)
 251  : PluginVClient(server)
 252 {
 253
 254 }
 255
 256 ShiftInterlaceMain::~ShiftInterlaceMain()
 257 {
 258
 259 }
 260
 261
 262 const char* ShiftInterlaceMain::plugin_title()  { return N_("ShiftInterlace"); }
 263 int ShiftInterlaceMain::is_realtime() { return 1; }
 264
 265
 266
 267
 268
 269 LOAD_CONFIGURATION_MACRO(ShiftInterlaceMain, ShiftInterlaceConfig)
 270
 271 NEW_WINDOW_MACRO(ShiftInterlaceMain, ShiftInterlaceWindow)
 272
 273
 274
 275 void ShiftInterlaceMain::save_data(KeyFrame *keyframe)
 276 {
 277         FileXML output;
 278
 279 // cause data to be stored directly in text
 280         output.set_shared_output(keyframe->get_data(), MESSAGESIZE);
 281         output.tag.set_title("SHIFTINTERLACE");
 282         output.tag.set_property("ODD_OFFSET", config.odd_offset);
 283         output.tag.set_property("EVEN_OFFSET", config.even_offset);
 284         output.append_tag();
 285         output.append_newline();
 286         output.terminate_string();
 287 // data is now in *text
 288 }
 289
 290 void ShiftInterlaceMain::read_data(KeyFrame *keyframe)
 291 {
 292         FileXML input;
 293
 294         input.set_shared_input(keyframe->get_data(), strlen(keyframe->get_data()));
 295
 296         int result = 0;
 297
 298         while(!result)
 299         {
 300                 result = input.read_tag();
 301
 302                 if(!result)
 303                 {
 304                         if(input.tag.title_is("SHIFTINTERLACE"))
 305                         {
 306                                 config.odd_offset = input.tag.get_property("ODD_OFFSET", config.odd_offset);
 307                                 config.even_offset = input.tag.get_property("EVEN_OFFSET", config.even_offset);
 308                         }
 309                 }
 310         }
 311 }
 312
 313 void ShiftInterlaceMain::update_gui()
 314 {
 315         if(thread)
 316         {
 317                 load_configuration();
 318                 thread->window->lock_window();
 319                 ((ShiftInterlaceWindow*)thread->window)->odd_offset->update(config.odd_offset);
 320                 ((ShiftInterlaceWindow*)thread->window)->even_offset->update(config.even_offset);
 321                 thread->window->unlock_window();
 322         }
 323 }
 324
 325
 326 #define SHIFT_ROW_MACRO(components, type, chroma_offset) \
 327 { \
 328         type *input_row = (type*)input_frame->get_rows()[row]; \
 329         type *output_row = (type*)output_frame->get_rows()[row]; \
 330  \
 331         if(offset < 0) \
 332         { \
 333                 int i, j; \
 334                 for(i = 0, j = -offset;  \
 335                         j < w;  \
 336                         i++, j++) \
 337                 { \
 338                         output_row[i * components + 0] = input_row[j * components + 0]; \
 339                         output_row[i * components + 1] = input_row[j * components + 1]; \
 340                         output_row[i * components + 2] = input_row[j * components + 2]; \
 341                         if(components == 4) output_row[i * components + 3] = input_row[j * components + 3]; \
 342                 } \
 343  \
 344                 for( ; i < w; i++) \
 345                 { \
 346                         output_row[i * components + 0] = 0; \
 347                         output_row[i * components + 1] = chroma_offset; \
 348                         output_row[i * components + 2] = chroma_offset; \
 349                         if(components == 4) output_row[i * components + 3] = 0; \
 350                 } \
 351         } \
 352         else \
 353         { \
 354                 int i, j; \
 355                 for(i = w - offset - 1, j = w - 1; \
 356                         j >= offset; \
 357                         i--, \
 358                         j--) \
 359                 { \
 360                         output_row[j * components + 0] = input_row[i * components + 0]; \
 361                         output_row[j * components + 1] = input_row[i * components + 1]; \
 362                         output_row[j * components + 2] = input_row[i * components + 2]; \
 363                         if(components == 4) output_row[j * components + 3] = input_row[i * components + 3]; \
 364                 } \
 365  \
 366                 for( ; j >= 0; j--) \
 367                 { \
 368                         output_row[j * components + 0] = 0; \
 369                         output_row[j * components + 1] = chroma_offset; \
 370                         output_row[j * components + 2] = chroma_offset; \
 371                         if(components == 4) output_row[j * components + 3] = 0; \
 372                 } \
 373         } \
 374 }
 375
 376
 377 void ShiftInterlaceMain::shift_row(VFrame *input_frame,
 378         VFrame *output_frame,
 379         int offset,
 380         int row)
 381 {
 382         int w = input_frame->get_w();
 383         switch(input_frame->get_color_model())
 384         {
 385                 case BC_RGB888:
 386                         SHIFT_ROW_MACRO(3, unsigned char, 0x0)
 387                         break;
 388                 case BC_RGB_FLOAT:
 389                         SHIFT_ROW_MACRO(3, float, 0x0)
 390                         break;
 391                 case BC_YUV888:
 392                         SHIFT_ROW_MACRO(3, unsigned char, 0x80)
 393                         break;
 394                 case BC_RGBA_FLOAT:
 395                         SHIFT_ROW_MACRO(4, float, 0x0)
 396                         break;
 397                 case BC_RGBA8888:
 398                         SHIFT_ROW_MACRO(4, unsigned char, 0x0)
 399                         break;
 400                 case BC_YUVA8888:
 401                         SHIFT_ROW_MACRO(4, unsigned char, 0x80)
 402                         break;
 403                 case BC_RGB161616:
 404                         SHIFT_ROW_MACRO(3, uint16_t, 0x0)
 405                         break;
 406                 case BC_YUV161616:
 407                         SHIFT_ROW_MACRO(3, uint16_t, 0x8000)
 408                         break;
 409                 case BC_RGBA16161616:
 410                         SHIFT_ROW_MACRO(4, uint16_t, 0x0)
 411                         break;
 412                 case BC_YUVA16161616:
 413                         SHIFT_ROW_MACRO(4, uint16_t, 0x8000)
 414                         break;
 415         }
 416 }
 417
 418 int ShiftInterlaceMain::process_realtime(VFrame *input_ptr, VFrame *output_ptr)
 419 {
 420         load_configuration();
 421
 422         int h = input_ptr->get_h();
 423         for(int i = 0; i < h; i++)
 424         {
 425                 if(i % 2)
 426                         shift_row(input_ptr, output_ptr, config.even_offset, i);
 427                 else
 428                         shift_row(input_ptr, output_ptr, config.odd_offset, i);
 429         }
 430
 431         return 0;
 432 }
 433
 434