cinelerra-5.1/plugins/flip/flip.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 "clip.h"
  23 #include "bccmodels.h"
  24 #include "bchash.h"
  25 #include "filexml.h"
  26 #include "flip.h"
  27 #include "flipwindow.h"
  28 #include "language.h"
  29
  30 #include <stdint.h>
  31 #include <string.h>
  32
  33 REGISTER_PLUGIN(FlipMain)
  34
  35
  36
  37
  38
  39
  40 FlipConfig::FlipConfig()
  41 {
  42         flip_horizontal = 0;
  43         flip_vertical = 0;
  44 }
  45
  46 void FlipConfig::copy_from(FlipConfig &that)
  47 {
  48         flip_horizontal = that.flip_horizontal;
  49         flip_vertical = that.flip_vertical;
  50 }
  51
  52 int FlipConfig::equivalent(FlipConfig &that)
  53 {
  54         return flip_horizontal == that.flip_horizontal &&
  55                 flip_vertical == that.flip_vertical;
  56 }
  57
  58 void FlipConfig::interpolate(FlipConfig &prev,
  59         FlipConfig &next,
  60         long prev_frame,
  61         long next_frame,
  62         long current_frame)
  63 {
  64         this->flip_horizontal = prev.flip_horizontal;
  65         this->flip_vertical = prev.flip_vertical;
  66 }
  67
  68
  69
  70
  71
  72
  73
  74
  75
  76
  77 FlipMain::FlipMain(PluginServer *server)
  78  : PluginVClient(server)
  79 {
  80
  81 }
  82
  83 FlipMain::~FlipMain()
  84 {
  85
  86 }
  87
  88 const char* FlipMain::plugin_title() { return _("Flip"); }
  89 int FlipMain::is_realtime() { return 1; }
  90
  91
  92 #define SWAP_PIXELS(type, components, in, out) \
  93 { \
  94         type temp = in[0]; \
  95         in[0] = out[0]; \
  96         out[0] = temp; \
  97  \
  98         temp = in[1]; \
  99         in[1] = out[1]; \
 100         out[1] = temp; \
 101  \
 102         temp = in[2]; \
 103         in[2] = out[2]; \
 104         out[2] = temp; \
 105  \
 106         if(components == 4) \
 107         { \
 108                 temp = in[3]; \
 109                 in[3] = out[3]; \
 110                 out[3] = temp; \
 111         } \
 112 }
 113
 114 #define FLIP_MACRO(type, components) \
 115 { \
 116         type **input_rows, **output_rows; \
 117         type *input_row, *output_row; \
 118         input_rows = ((type**)frame->get_rows()); \
 119         output_rows = ((type**)frame->get_rows()); \
 120  \
 121         if(config.flip_vertical) \
 122         { \
 123                 for(i = 0, j = h - 1; i < h / 2; i++, j--) \
 124                 { \
 125                         input_row = input_rows[i]; \
 126                         output_row = output_rows[j]; \
 127                         for(k = 0; k < w; k++) \
 128                         { \
 129                                 SWAP_PIXELS(type, components, output_row, input_row); \
 130                                 output_row += components; \
 131                                 input_row += components; \
 132                         } \
 133                 } \
 134         } \
 135  \
 136         if(config.flip_horizontal) \
 137         { \
 138                 for(i = 0; i < h; i++) \
 139                 { \
 140                         input_row = input_rows[i]; \
 141                         output_row = output_rows[i] + (w - 1) * components; \
 142                         for(k = 0; k < w / 2; k++) \
 143                         { \
 144                                 SWAP_PIXELS(type, components, output_row, input_row); \
 145                                 input_row += components; \
 146                                 output_row -= components; \
 147                         } \
 148                 } \
 149         } \
 150 }
 151
 152 int FlipMain::process_buffer(VFrame *frame,
 153                 int64_t start_position,
 154                 double frame_rate)
 155 {
 156         int i, j, k;
 157         int w = frame->get_w();
 158         int h = frame->get_h();
 159         int colormodel = frame->get_color_model();
 160
 161         load_configuration();
 162
 163         read_frame(frame,
 164                 0,
 165                 get_source_position(),
 166                 get_framerate(),
 167                 get_use_opengl());
 168
 169
 170
 171         if(get_use_opengl())
 172         {
 173                 if(config.flip_vertical || config.flip_horizontal)
 174                         return run_opengl();
 175                 else
 176                         return 0;
 177         }
 178
 179         switch(colormodel)
 180         {
 181                 case BC_RGB888:
 182                 case BC_YUV888:
 183                         FLIP_MACRO(unsigned char, 3);
 184                         break;
 185                 case BC_RGB_FLOAT:
 186                         FLIP_MACRO(float, 3);
 187                         break;
 188                 case BC_RGB161616:
 189                 case BC_YUV161616:
 190                         FLIP_MACRO(uint16_t, 3);
 191                         break;
 192                 case BC_RGBA8888:
 193                 case BC_YUVA8888:
 194                         FLIP_MACRO(unsigned char, 4);
 195                         break;
 196                 case BC_RGBA_FLOAT:
 197                         FLIP_MACRO(float, 4);
 198                         break;
 199                 case BC_RGBA16161616:
 200                 case BC_YUVA16161616:
 201                         FLIP_MACRO(uint16_t, 4);
 202                         break;
 203         }
 204         return 0;
 205 }
 206
 207
 208 NEW_WINDOW_MACRO(FlipMain, FlipWindow)
 209 LOAD_CONFIGURATION_MACRO(FlipMain, FlipConfig)
 210
 211 void FlipMain::update_gui()
 212 {
 213         if(thread)
 214         {
 215                 load_configuration();
 216                 thread->window->lock_window();
 217                 ((FlipWindow*)thread->window)->flip_vertical->update((int)config.flip_vertical);
 218                 ((FlipWindow*)thread->window)->flip_horizontal->update((int)config.flip_horizontal);
 219                 thread->window->unlock_window();
 220         }
 221 }
 222
 223 void FlipMain::save_data(KeyFrame *keyframe)
 224 {
 225         FileXML output;
 226
 227 // cause data to be stored directly in text
 228         output.set_shared_output(keyframe->get_data(), MESSAGESIZE);
 229         output.tag.set_title("FLIP");
 230         output.append_tag();
 231         if(config.flip_vertical)
 232         {
 233                 output.tag.set_title("VERTICAL");
 234                 output.append_tag();
 235                 output.tag.set_title("/VERTICAL");
 236                 output.append_tag();
 237         }
 238
 239         if(config.flip_horizontal)
 240         {
 241                 output.tag.set_title("HORIZONTAL");
 242                 output.append_tag();
 243                 output.tag.set_title("/HORIZONTAL");
 244                 output.append_tag();
 245         }
 246         output.tag.set_title("/FLIP");
 247         output.append_tag();
 248         output.append_newline();
 249         output.terminate_string();
 250 // data is now in *text
 251 }
 252
 253 void FlipMain::read_data(KeyFrame *keyframe)
 254 {
 255         FileXML input;
 256
 257         input.set_shared_input(keyframe->get_data(), strlen(keyframe->get_data()));
 258
 259         int result = 0;
 260         config.flip_vertical = config.flip_horizontal = 0;
 261
 262         while(!result)
 263         {
 264                 result = input.read_tag();
 265
 266                 if(!result)
 267                 {
 268                         if(input.tag.title_is("VERTICAL"))
 269                         {
 270                                 config.flip_vertical = 1;
 271                         }
 272                         else
 273                         if(input.tag.title_is("HORIZONTAL"))
 274                         {
 275                                 config.flip_horizontal = 1;
 276                         }
 277                 }
 278         }
 279 }
 280
 281
 282 int FlipMain::handle_opengl()
 283 {
 284 #ifdef HAVE_GL
 285         get_output()->to_texture();
 286         get_output()->enable_opengl();
 287         get_output()->init_screen();
 288         get_output()->bind_texture(0);
 289
 290         if(config.flip_vertical && !config.flip_horizontal)
 291         {
 292                 get_output()->draw_texture(0,
 293                         0,
 294                         get_output()->get_w(),
 295                         get_output()->get_h(),
 296                         0,
 297                         get_output()->get_h(),
 298                         get_output()->get_w(),
 299                         0);
 300         }
 301
 302         if(config.flip_horizontal && !config.flip_vertical)
 303         {
 304                 get_output()->draw_texture(0,
 305                         0,
 306                         get_output()->get_w(),
 307                         get_output()->get_h(),
 308                         get_output()->get_w(),
 309                         0,
 310                         0,
 311                         get_output()->get_h());
 312         }
 313
 314         if(config.flip_vertical && config.flip_horizontal)
 315         {
 316                 get_output()->draw_texture(0,
 317                         0,
 318                         get_output()->get_w(),
 319                         get_output()->get_h(),
 320                         get_output()->get_w(),
 321                         get_output()->get_h(),
 322                         0,
 323                         0);
 324         }
 325
 326         get_output()->set_opengl_state(VFrame::SCREEN);
 327 #endif
 328         return 0;
 329 }
 330
 331
 332