cinelerra/vtransition.C

   1 #include "assets.h"
   2 #include "autoconf.h"
   3 #include "bezierautos.h"
   4 #include "cache.h"
   5 #include "edit.h"
   6 #include "edits.h"
   7 #include "filexml.h"
   8 #include "floatautos.h"
   9 #include "mwindow.h"
  10 #include "patch.h"
  11 #include "trackcanvas.h"
  12 #include "tracks.h"
  13 #include "vedit.h"
  14 #include "vedits.h"
  15 #include "vframe.h"
  16 #include "vtrack.h"
  17 #include "datatype.h"
  18
  19 VTrack::VTrack(MWindow *mwindow, Tracks *tracks) : Track(mwindow, tracks)
  20 {
  21         data_type = TRACK_VIDEO;
  22 }
  23
  24 VTrack::~VTrack()
  25 {
  26         delete edits;
  27         delete camera_autos;
  28         delete projector_autos;
  29 }
  30
  31 int VTrack::create_derived_objs(int flash)
  32 {
  33         int i;
  34         edits = new VEdits(mwindow, this);
  35         camera_autos = new BezierAutos(this,
  36                                                                         WHITE,
  37                                                                         0,
  38                                                                         0,
  39                                                                         1,
  40                                                                         mwindow->track_w,
  41                                                                         mwindow->track_h);
  42
  43         projector_autos = new BezierAutos(this,
  44                                                                         WHITE,
  45                                                                         0,
  46                                                                         0,
  47                                                                         1,
  48                                                                         mwindow->output_w,
  49                                                                         mwindow->output_h);
  50
  51         fade_autos = new FloatAutos(this, LTGREY, -100, 100);
  52         fade_autos->create_objects();
  53
  54         if(mwindow->gui)
  55         {
  56                 if(mwindow->session->tracks_vertical)
  57                 draw(pixel, mwindow->zoom_track, 0, tracks->canvas->h, flash);
  58                 else
  59                 draw(0, tracks->canvas->w, pixel, mwindow->zoom_track, flash);
  60         }
  61 }
  62
  63
  64 int VTrack::save_derived(FileXML *xml)
  65 {
  66         edits->save(xml);
  67
  68         if(camera_autos->total())
  69         {
  70                 xml->tag.set_title("CAMERAAUTOS");
  71                 xml->append_tag();
  72                 xml->append_newline();
  73                 camera_autos->save(xml);
  74                 xml->tag.set_title("/CAMERAAUTOS");
  75                 xml->append_tag();
  76                 xml->append_newline();
  77         }
  78
  79         if(projector_autos->total())
  80         {
  81                 xml->tag.set_title("PROJECTORAUTOS");
  82                 xml->append_tag();
  83                 xml->append_newline();
  84                 projector_autos->save(xml);
  85                 xml->tag.set_title("/PROJECTORAUTOS");
  86                 xml->append_tag();
  87                 xml->append_newline();
  88         }
  89 }
  90
  91 int VTrack::load_derived(FileXML *xml, int automation_only, int edits_only, int load_all, int &output_channel)
  92 {
  93         if(xml->tag.title_is("CAMERAAUTOS"))
  94         {
  95                 camera_autos->load(xml, "/CAMERAAUTOS");
  96         }
  97         else
  98         if(xml->tag.title_is("PROJECTORAUTOS"))
  99         {
 100                 projector_autos->load(xml, "/PROJECTORAUTOS");
 101         }
 102 }
 103
 104 long VTrack::length()
 105 {
 106         return tosamples(edits->end(), mwindow->sample_rate, mwindow->frame_rate);
 107 }
 108
 109 int VTrack::get_dimensions(float &view_start, float &view_units, float &zoom_units)
 110 {
 111         view_start = toframes(mwindow->view_start, mwindow->sample_rate, mwindow->frame_rate);
 112         view_units = toframes(tracks->view_samples(), mwindow->sample_rate, mwindow->frame_rate);
 113         zoom_units = toframes(mwindow->zoom_sample, mwindow->sample_rate, mwindow->frame_rate);
 114 }
 115
 116 long VTrack::samples_to_units(long &samples)
 117 {
 118         samples = toframes_round(samples, mwindow->sample_rate, mwindow->frame_rate);
 119 }
 120
 121 int VTrack::copy_derived(long start, long end, FileXML *xml)
 122 {
 123 // automation is copied in the Track::copy
 124 }
 125
 126 int VTrack::copy_automation_derived(AutoConf *auto_conf, long start, long end, FileXML *xml)
 127 {
 128 // used for copying only automation
 129         if(auto_conf->camera)
 130         {
 131                 xml->tag.set_title("CAMERAAUTOS");
 132                 xml->append_tag();
 133
 134                 camera_autos->copy(start, end, xml, 1);
 135
 136                 xml->tag.set_title("/CAMERAAUTOS");
 137                 xml->append_tag();
 138                 xml->append_newline();
 139         }
 140
 141         if(auto_conf->projector)
 142         {
 143                 xml->tag.set_title("PROJECTORAUTOS");
 144                 xml->append_tag();
 145
 146                 projector_autos->copy(start, end, xml, 1);
 147
 148                 xml->tag.set_title("/PROJECTORAUTOS");
 149                 xml->append_tag();
 150                 xml->append_newline();
 151         }
 152 }
 153
 154 int VTrack::paste_derived(long start, long end, long total_length, FileXML *xml, int &current_channel)
 155 {
 156         if(xml->tag.title_is("CAMERAAUTOS"))
 157         {
 158                 camera_autos->paste(start, end, total_length, xml, "/CAMERAAUTOS", 1);
 159         }
 160         else
 161         if(xml->tag.title_is("PROJECTORAUTOS"))
 162         {
 163                 projector_autos->paste(start, end, total_length, xml, "/PROJECTORAUTOS", 1);
 164         }
 165 }
 166
 167 int VTrack::paste_output(long startproject, long endproject, long startsource, long endsource, int layer, Asset *asset)
 168 {
 169         int result = 0;
 170
 171 //printf("VTrack::paste_output startproject %ld endproject %ld\n", startproject, endproject);
 172         //Track::samples_to_units(startproject, endproject);
 173
 174         result = ((VEdits*)edits)->paste_edit(startproject,
 175                                                 endproject,
 176                                                 startsource,
 177                                                 endsource - startsource,
 178                                                 layer,
 179                                                 0,
 180                                                 0,
 181                                                 1,
 182                                                 asset);
 183
 184         //if(!result && mwindow->autos_follow_edits)
 185         //{
 186         //      paste_auto_silence(startproject, endproject);
 187         //}
 188         return result;
 189 }
 190
 191 int VTrack::clear_derived(long start, long end)
 192 {
 193         if(mwindow->autos_follow_edits)
 194         {
 195                 camera_autos->clear(start, end, mwindow->autos_follow_edits, 1);
 196                 projector_autos->clear(start, end, mwindow->autos_follow_edits, 1);
 197         }
 198 }
 199
 200 int VTrack::paste_automation_derived(long start, long end, long total_length, FileXML *xml, int shift_autos, int &current_pan)
 201 {
 202 // only used for pasting automation
 203         camera_autos->paste(start, end, total_length, xml, "/CAMERAUTOS", 1, shift_autos);
 204         projector_autos->paste(start, end, total_length, xml, "/PROJECTORAUTOS", 1, shift_autos);
 205 }
 206
 207 int VTrack::clear_automation_derived(AutoConf *auto_conf, long start, long end, int shift_autos)
 208 {
 209         if(auto_conf->camera)
 210                 camera_autos->clear(start, end, mwindow->autos_follow_edits, shift_autos);
 211
 212         if(auto_conf->projector)
 213                 projector_autos->clear(start, end, mwindow->autos_follow_edits, shift_autos);
 214 }
 215
 216 int VTrack::paste_auto_silence_derived(long start, long end)
 217 {
 218         camera_autos->paste_silence(start, end);
 219         projector_autos->paste_silence(start, end);
 220 }
 221
 222 int VTrack::draw_autos_derived(float view_start, float zoom_units, AutoConf *auto_conf)
 223 {
 224                 if(auto_conf->camera)
 225                         camera_autos->draw(tracks->canvas,
 226                                                         pixel,
 227                                                         mwindow->zoom_track,
 228                                                         zoom_units,
 229                                                         view_start,
 230                                                         mwindow->session->tracks_vertical);
 231
 232                 if(auto_conf->projector)
 233                         projector_autos->draw(tracks->canvas,
 234                                                         pixel,
 235                                                         mwindow->zoom_track,
 236                                                         zoom_units,
 237                                                         view_start,
 238                                                         mwindow->session->tracks_vertical);
 239 }
 240
 241 int VTrack::select_translation(int cursor_x, int cursor_y)
 242 {
 243 // cursor position is relative to time
 244         int result = 0;
 245         float view_start, view_units, zoom_units;
 246         get_dimensions(view_start, view_units, zoom_units);
 247
 248         if(cursor_y > pixel && cursor_y < pixel + mwindow->zoom_track)
 249         {
 250                 for(Edit* current = edits->first; current && !result; current = NEXT)
 251                 {
 252                         result = ((VEdit*)current)->select_translation(cursor_x, cursor_y, view_start, zoom_units);
 253                 }
 254         }
 255         return result;
 256 }
 257
 258 int VTrack::update_translation(int cursor_x, int cursor_y, int shift_down)
 259 {
 260         int result = 0;
 261         float view_start, view_units, zoom_units;
 262         get_dimensions(view_start, view_units, zoom_units);
 263
 264         for(Edit* current = edits->first; current && !result; current = NEXT)
 265         {
 266                 result = ((VEdit*)current)->update_translation(cursor_x, cursor_y, shift_down, view_start, zoom_units);
 267         }
 268         return result;
 269 }
 270
 271 int VTrack::end_translation()
 272 {
 273         int result = 0;
 274         for(Edit* current = edits->first; current && !result; current = NEXT)
 275         {
 276                 result = ((VEdit*)current)->end_translation();
 277         }
 278         return result;
 279 }
 280
 281 int VTrack::reset_translation(long start, long end)
 282 {
 283         int result = 0;
 284         Track::samples_to_units(start, end);
 285         for(Edit* current = edits->first; current && !result; current = NEXT)
 286         {
 287                 result = ((VEdit*)current)->reset_translation(start, end);
 288         }
 289         return result;
 290 }
 291
 292
 293 int VTrack::select_auto_derived(float zoom_units, float view_start, AutoConf *auto_conf, int cursor_x, int cursor_y)
 294 {
 295         int result = 0;
 296
 297         if(auto_conf->camera)
 298                 result = camera_autos->select_auto(tracks->canvas,
 299                                                                                 pixel,
 300                                                                                 mwindow->zoom_track,
 301                                                                                 zoom_units,
 302                                                                                 view_start,
 303                                                                                 cursor_x,
 304                                                                                 cursor_y,
 305                                                                                 tracks->canvas->shift_down(),
 306                                                                                 tracks->canvas->ctrl_down(),
 307                                                                                 tracks->canvas->get_buttonpress(),
 308                                                                                 mwindow->session->tracks_vertical);
 309
 310         if(auto_conf->projector && !result)
 311                 result = projector_autos->select_auto(tracks->canvas,
 312                                                                                 pixel,
 313                                                                                 mwindow->zoom_track,
 314                                                                                 zoom_units,
 315                                                                                 view_start,
 316                                                                                 cursor_x,
 317                                                                                 cursor_y,
 318                                                                                 tracks->canvas->shift_down(),
 319                                                                                 tracks->canvas->ctrl_down(),
 320                                                                                 tracks->canvas->get_buttonpress(),
 321                                                                                 mwindow->session->tracks_vertical);
 322
 323         return result;
 324 }
 325
 326
 327 int VTrack::move_auto_derived(float zoom_units, float view_start, AutoConf *auto_conf, int cursor_x, int cursor_y, int shift_down)
 328 {
 329         int result;
 330         result = 0;
 331
 332         if(auto_conf->camera)
 333                 result = camera_autos->move_auto(tracks->canvas,
 334                                                                         pixel,
 335                                                                         mwindow->zoom_track,
 336                                                                         zoom_units,
 337                                                                         view_start,
 338                                                                         cursor_x,
 339                                                                         cursor_y,
 340                                                                         shift_down,
 341                                                                         mwindow->session->tracks_vertical);
 342
 343         if(auto_conf->projector && !result)
 344                 result = projector_autos->move_auto(tracks->canvas,
 345                                                                         pixel,
 346                                                                         mwindow->zoom_track,
 347                                                                         zoom_units,
 348                                                                         view_start,
 349                                                                         cursor_x,
 350                                                                         cursor_y,
 351                                                                         shift_down,
 352                                                                         mwindow->session->tracks_vertical);
 353
 354         if(result)
 355         {
 356                 mwindow->tracks->hide_overlays(0);
 357                 draw_clear(0, tracks->canvas->w, 0, tracks->canvas->h, 0);
 358                 draw(0, tracks->canvas->w, 0, tracks->canvas->h, 0);
 359                 mwindow->tracks->show_overlays(0);
 360         }
 361
 362         return result;
 363 }
 364
 365 int VTrack::draw_floating_autos_derived(float view_start, float zoom_units, AutoConf *auto_conf, int flash)
 366 {
 367         if(auto_conf->camera)
 368                 camera_autos->draw_floating_autos(tracks->canvas,
 369                                                                 pixel,
 370                                                                 mwindow->zoom_track,
 371                                                                 zoom_units,
 372                                                                 view_start,
 373                                                                 mwindow->session->tracks_vertical, flash);
 374
 375         if(auto_conf->projector)
 376                 projector_autos->draw_floating_autos(tracks->canvas,
 377                                                                 pixel,
 378                                                                 mwindow->zoom_track,
 379                                                                 zoom_units,
 380                                                                 view_start,
 381                                                                 mwindow->session->tracks_vertical, flash);
 382 }
 383
 384 int VTrack::release_auto_derived()
 385 {
 386         int result;
 387         result = 0;
 388
 389         result = camera_autos->release_auto();
 390         if(!result) result = projector_autos->release_auto();
 391
 392         return result;
 393 }
 394
 395 int VTrack::scale_video(float camera_scale, float projector_scale, int *offsets)
 396 {
 397 // Fix the camera.
 398         for(VEdit *current = (VEdit*)edits->first; current; current = (VEdit*)NEXT)
 399         {
 400                 current->center_z *= camera_scale;
 401                 current->center_x = -offsets[0];
 402                 current->center_y = -offsets[1];
 403         }
 404
 405 // Fix the projector.
 406         projector_autos->scale_video(projector_scale, &offsets[2]);
 407 }
 408
 409 int VTrack::render(VFrame **output, long input_len, long input_position, float step)
 410 {
 411         BezierAuto *before[4], *after[4];     // for bounding box
 412         int i;
 413         for(i = 0; i < 4; i++) { before[i] = 0;  after[i] = 0; }
 414
 415 // clear output buffer
 416 //      for(i = 0; i < input_len; i++)
 417 //      {
 418 //              output[i]->clear_frame();
 419 //      }
 420         output[0]->clear_frame();
 421
 422 // Render from the last edit to the first edit to accomidate feathering
 423         for(VEdit *current = (VEdit*)edits->last; current; current = (VEdit*)PREVIOUS)
 424         {
 425 //if(current == (VEdit*)edits->first || current == (VEdit*)edits->first->next)
 426 //      printf("%d %d %d\n", input_position, current->startproject, current->startproject + current->length);
 427                 if(input_position < current->startproject + current->length + current->feather_right &&
 428                         input_position >= current->startproject)
 429                         current->render(output,
 430                                 input_len,
 431                                 input_position,
 432                                 step,
 433                                 before,
 434                                 after,
 435                                 get_patch_of()->automate);
 436         }
 437 }
 438
 439 int VTrack::get_projection(float &in_x1, float &in_y1, float &in_x2, float &in_y2,
 440                                         float &out_x1, float &out_y1, float &out_x2, float &out_y2,
 441                                         int frame_w, int frame_h, long real_position,
 442                                         BezierAuto **before, BezierAuto **after)
 443 {
 444         static float center_x, center_y, center_z;
 445         static float x[4], y[4];
 446
 447         projector_autos->get_center(center_x, center_y, center_z, (float)real_position, 0, before, after);
 448         x[0] = y[0] = 0;
 449         x[1] = frame_w;
 450         y[1] = frame_h;
 451
 452         center_x += mwindow->output_w / 2;
 453         center_y += mwindow->output_h / 2;
 454
 455         x[2] = center_x - (frame_w / 2) * center_z;
 456         y[2] = center_y - (frame_h / 2) * center_z;
 457         x[3] = x[2] + frame_w * center_z;
 458         y[3] = y[2] + frame_h * center_z;
 459
 460         if(x[2] < 0)
 461         {
 462                 x[0] -= x[2] / center_z;
 463                 x[2] = 0;
 464         }
 465         if(y[2] < 0)
 466         {
 467                 y[0] -= y[2] / center_z;
 468                 y[2] = 0;
 469         }
 470         if(x[3] > mwindow->output_w)
 471         {
 472                 x[1] -= (x[3] - mwindow->output_w) / center_z;
 473                 x[3] = mwindow->output_w;
 474         }
 475         if(y[3] > mwindow->output_h)
 476         {
 477                 y[1] -= (y[3] - mwindow->output_h) / center_z;
 478                 y[3] = mwindow->output_h;
 479         }
 480
 481         in_x1 = x[0];
 482         in_y1 = y[0];
 483         in_x2 = x[1];
 484         in_y2 = y[1];
 485         out_x1 = x[2];
 486         out_y1 = y[2];
 487         out_x2 = x[3];
 488         out_y2 = y[3];
 489 }
 490
 491 int VTrack::scale_time_derived(float rate_scale, int scale_edits, int scale_autos, long start, long end)
 492 {
 493         camera_autos->scale_time(rate_scale, scale_edits, scale_autos, start, end);
 494         projector_autos->scale_time(rate_scale, scale_edits, scale_autos, start, end);
 495 }
 496