cinelerra-5.1/cinelerra/vtransition.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 "assets.h"
  23 #include "autoconf.h"
  24 #include "bezierautos.h"
  25 #include "cache.h"
  26 #include "edit.h"
  27 #include "edits.h"
  28 #include "filexml.h"
  29 #include "floatautos.h"
  30 #include "mwindow.h"
  31 #include "patch.h"
  32 #include "trackcanvas.h"
  33 #include "tracks.h"
  34 #include "vedit.h"
  35 #include "vedits.h"
  36 #include "vframe.h"
  37 #include "vtrack.h"
  38 #include "datatype.h"
  39
  40 VTrack::VTrack(MWindow *mwindow, Tracks *tracks) : Track(mwindow, tracks)
  41 {
  42         data_type = TRACK_VIDEO;
  43 }
  44
  45 VTrack::~VTrack()
  46 {
  47         delete edits;
  48         delete camera_autos;
  49         delete projector_autos;
  50 }
  51
  52 int VTrack::create_derived_objs(int flash)
  53 {
  54         int i;
  55         edits = new VEdits(mwindow, this);
  56         camera_autos = new BezierAutos(this,
  57                                                                         WHITE,
  58                                                                         0,
  59                                                                         0,
  60                                                                         1,
  61                                                                         mwindow->track_w,
  62                                                                         mwindow->track_h);
  63
  64         projector_autos = new BezierAutos(this,
  65                                                                         WHITE,
  66                                                                         0,
  67                                                                         0,
  68                                                                         1,
  69                                                                         mwindow->output_w,
  70                                                                         mwindow->output_h);
  71
  72         fade_autos = new FloatAutos(this, LTGREY, -100, 100);
  73         fade_autos->create_objects();
  74
  75         if(mwindow->gui)
  76         {
  77                 if(mwindow->session->tracks_vertical)
  78                 draw(pixel, mwindow->zoom_track, 0, tracks->canvas->h, flash);
  79                 else
  80                 draw(0, tracks->canvas->w, pixel, mwindow->zoom_track, flash);
  81         }
  82 }
  83
  84
  85 int VTrack::save_derived(FileXML *xml)
  86 {
  87         edits->save(xml);
  88
  89         if(camera_autos->total())
  90         {
  91                 xml->tag.set_title("CAMERAAUTOS");
  92                 xml->append_tag();
  93                 xml->append_newline();
  94                 camera_autos->save(xml);
  95                 xml->tag.set_title("/CAMERAAUTOS");
  96                 xml->append_tag();
  97                 xml->append_newline();
  98         }
  99
 100         if(projector_autos->total())
 101         {
 102                 xml->tag.set_title("PROJECTORAUTOS");
 103                 xml->append_tag();
 104                 xml->append_newline();
 105                 projector_autos->save(xml);
 106                 xml->tag.set_title("/PROJECTORAUTOS");
 107                 xml->append_tag();
 108                 xml->append_newline();
 109         }
 110 }
 111
 112 int VTrack::load_derived(FileXML *xml, int automation_only, int edits_only, int load_all, int &output_channel)
 113 {
 114         if(xml->tag.title_is("CAMERAAUTOS"))
 115         {
 116                 camera_autos->load(xml, "/CAMERAAUTOS");
 117         }
 118         else
 119         if(xml->tag.title_is("PROJECTORAUTOS"))
 120         {
 121                 projector_autos->load(xml, "/PROJECTORAUTOS");
 122         }
 123 }
 124
 125 long VTrack::length()
 126 {
 127         return tosamples(edits->end(), mwindow->sample_rate, mwindow->frame_rate);
 128 }
 129
 130 // int VTrack::get_dimensions(float &view_start, float &view_units, float &zoom_units)
 131 // {
 132 //      view_start = toframes(mwindow->view_start, mwindow->sample_rate, mwindow->frame_rate);
 133 //      view_units = toframes(tracks->view_samples(), mwindow->sample_rate, mwindow->frame_rate);
 134 //      zoom_units = toframes(mwindow->zoom_sample, mwindow->sample_rate, mwindow->frame_rate);
 135 // }
 136
 137 long VTrack::samples_to_units(long &samples)
 138 {
 139         samples = toframes_round(samples, mwindow->sample_rate, mwindow->frame_rate);
 140 }
 141
 142 int VTrack::copy_derived(long start, long end, FileXML *xml)
 143 {
 144 // automation is copied in the Track::copy
 145 }
 146
 147 int VTrack::copy_automation_derived(AutoConf *auto_conf, long start, long end, FileXML *xml)
 148 {
 149 // used for copying only automation
 150         if(auto_conf->camera)
 151         {
 152                 xml->tag.set_title("CAMERAAUTOS");
 153                 xml->append_tag();
 154
 155                 camera_autos->copy(start, end, xml, 1);
 156
 157                 xml->tag.set_title("/CAMERAAUTOS");
 158                 xml->append_tag();
 159                 xml->append_newline();
 160         }
 161
 162         if(auto_conf->projector)
 163         {
 164                 xml->tag.set_title("PROJECTORAUTOS");
 165                 xml->append_tag();
 166
 167                 projector_autos->copy(start, end, xml, 1);
 168
 169                 xml->tag.set_title("/PROJECTORAUTOS");
 170                 xml->append_tag();
 171                 xml->append_newline();
 172         }
 173 }
 174
 175 int VTrack::paste_derived(long start, long end, long total_length, FileXML *xml, int &current_channel)
 176 {
 177         if(xml->tag.title_is("CAMERAAUTOS"))
 178         {
 179                 camera_autos->paste(start, end, total_length, xml, "/CAMERAAUTOS", 1);
 180         }
 181         else
 182         if(xml->tag.title_is("PROJECTORAUTOS"))
 183         {
 184                 projector_autos->paste(start, end, total_length, xml, "/PROJECTORAUTOS", 1);
 185         }
 186 }
 187
 188 int VTrack::paste_output(long startproject, long endproject, long startsource, long endsource, int layer, Asset *asset)
 189 {
 190         int result = 0;
 191
 192 //printf("VTrack::paste_output startproject %ld endproject %ld\n", startproject, endproject);
 193         //Track::samples_to_units(startproject, endproject);
 194
 195         result = ((VEdits*)edits)->paste_edit(startproject,
 196                                                 endproject,
 197                                                 startsource,
 198                                                 endsource - startsource,
 199                                                 layer,
 200                                                 0,
 201                                                 0,
 202                                                 1,
 203                                                 asset);
 204
 205         //if(!result && mwindow->autos_follow_edits)
 206         //{
 207         //      paste_auto_silence(startproject, endproject);
 208         //}
 209         return result;
 210 }
 211
 212 int VTrack::clear_derived(long start, long end)
 213 {
 214         if(mwindow->autos_follow_edits)
 215         {
 216                 camera_autos->clear(start, end, mwindow->autos_follow_edits, 1);
 217                 projector_autos->clear(start, end, mwindow->autos_follow_edits, 1);
 218         }
 219 }
 220
 221 int VTrack::paste_automation_derived(long start, long end, long total_length, FileXML *xml, int shift_autos, int &current_pan)
 222 {
 223 // only used for pasting automation
 224         camera_autos->paste(start, end, total_length, xml, "/CAMERAUTOS", 1, shift_autos);
 225         projector_autos->paste(start, end, total_length, xml, "/PROJECTORAUTOS", 1, shift_autos);
 226 }
 227
 228 int VTrack::clear_automation_derived(AutoConf *auto_conf, long start, long end, int shift_autos)
 229 {
 230         if(auto_conf->camera)
 231                 camera_autos->clear(start, end, mwindow->autos_follow_edits, shift_autos);
 232
 233         if(auto_conf->projector)
 234                 projector_autos->clear(start, end, mwindow->autos_follow_edits, shift_autos);
 235 }
 236
 237 int VTrack::paste_auto_silence_derived(long start, long end)
 238 {
 239         camera_autos->paste_silence(start, end);
 240         projector_autos->paste_silence(start, end);
 241 }
 242
 243 int VTrack::draw_autos_derived(float view_start, float zoom_units, AutoConf *auto_conf)
 244 {
 245                 if(auto_conf->camera)
 246                         camera_autos->draw(tracks->canvas,
 247                                                         pixel,
 248                                                         mwindow->zoom_track,
 249                                                         zoom_units,
 250                                                         view_start,
 251                                                         mwindow->session->tracks_vertical);
 252
 253                 if(auto_conf->projector)
 254                         projector_autos->draw(tracks->canvas,
 255                                                         pixel,
 256                                                         mwindow->zoom_track,
 257                                                         zoom_units,
 258                                                         view_start,
 259                                                         mwindow->session->tracks_vertical);
 260 }
 261
 262 int VTrack::select_translation(int cursor_x, int cursor_y)
 263 {
 264 // cursor position is relative to time
 265         int result = 0;
 266         float view_start, view_units, zoom_units;
 267         get_dimensions(view_start, view_units, zoom_units);
 268
 269         if(cursor_y > pixel && cursor_y < pixel + mwindow->zoom_track)
 270         {
 271                 for(Edit* current = edits->first; current && !result; current = NEXT)
 272                 {
 273                         result = ((VEdit*)current)->select_translation(cursor_x, cursor_y, view_start, zoom_units);
 274                 }
 275         }
 276         return result;
 277 }
 278
 279 int VTrack::update_translation(int cursor_x, int cursor_y, int shift_down)
 280 {
 281         int result = 0;
 282         float view_start, view_units, zoom_units;
 283         get_dimensions(view_start, view_units, zoom_units);
 284
 285         for(Edit* current = edits->first; current && !result; current = NEXT)
 286         {
 287                 result = ((VEdit*)current)->update_translation(cursor_x, cursor_y, shift_down, view_start, zoom_units);
 288         }
 289         return result;
 290 }
 291
 292 int VTrack::end_translation()
 293 {
 294         int result = 0;
 295         for(Edit* current = edits->first; current && !result; current = NEXT)
 296         {
 297                 result = ((VEdit*)current)->end_translation();
 298         }
 299         return result;
 300 }
 301
 302 int VTrack::reset_translation(long start, long end)
 303 {
 304         int result = 0;
 305         Track::samples_to_units(start, end);
 306         for(Edit* current = edits->first; current && !result; current = NEXT)
 307         {
 308                 result = ((VEdit*)current)->reset_translation(start, end);
 309         }
 310         return result;
 311 }
 312
 313
 314 int VTrack::select_auto_derived(float zoom_units, float view_start, AutoConf *auto_conf, int cursor_x, int cursor_y)
 315 {
 316         int result = 0;
 317
 318         if(auto_conf->camera)
 319                 result = camera_autos->select_auto(tracks->canvas,
 320                                                 pixel,
 321                                                 mwindow->zoom_track,
 322                                                 zoom_units,
 323                                                 view_start,
 324                                                 cursor_x,
 325                                                 cursor_y,
 326                                                 tracks->canvas->shift_down(),
 327                                                 tracks->canvas->ctrl_down(),
 328                                                 tracks->canvas->get_buttonpress(),
 329                                                 mwindow->session->tracks_vertical);
 330
 331         if(auto_conf->projector && !result)
 332                 result = projector_autos->select_auto(tracks->canvas,
 333                                                 pixel,
 334                                                 mwindow->zoom_track,
 335                                                 zoom_units,
 336                                                 view_start,
 337                                                 cursor_x,
 338                                                 cursor_y,
 339                                                 tracks->canvas->shift_down(),
 340                                                 tracks->canvas->ctrl_down(),
 341                                                 tracks->canvas->get_buttonpress(),
 342                                                 mwindow->session->tracks_vertical);
 343
 344         return result;
 345 }
 346
 347
 348 int VTrack::move_auto_derived(float zoom_units, float view_start, AutoConf *auto_conf, int cursor_x, int cursor_y, int shift_down)
 349 {
 350         int result;
 351         result = 0;
 352
 353         if(auto_conf->camera)
 354                 result = camera_autos->move_auto(tracks->canvas,
 355                                         pixel,
 356                                         mwindow->zoom_track,
 357                                         zoom_units,
 358                                         view_start,
 359                                         cursor_x,
 360                                         cursor_y,
 361                                         shift_down,
 362                                         mwindow->session->tracks_vertical);
 363
 364         if(auto_conf->projector && !result)
 365                 result = projector_autos->move_auto(tracks->canvas,
 366                                         pixel,
 367                                         mwindow->zoom_track,
 368                                         zoom_units,
 369                                         view_start,
 370                                         cursor_x,
 371                                         cursor_y,
 372                                         shift_down,
 373                                         mwindow->session->tracks_vertical);
 374
 375         if(result)
 376         {
 377                 mwindow->tracks->hide_overlays(0);
 378                 draw_clear(0, tracks->canvas->w, 0, tracks->canvas->h, 0);
 379                 draw(0, tracks->canvas->w, 0, tracks->canvas->h, 0);
 380                 mwindow->tracks->show_overlays(0);
 381         }
 382
 383         return result;
 384 }
 385
 386 int VTrack::draw_floating_autos_derived(float view_start, float zoom_units, AutoConf *auto_conf, int flash)
 387 {
 388         if(auto_conf->camera)
 389                 camera_autos->draw_floating_autos(tracks->canvas,
 390                                 pixel,
 391                                 mwindow->zoom_track,
 392                                 zoom_units,
 393                                 view_start,
 394                                 mwindow->session->tracks_vertical, flash);
 395
 396         if(auto_conf->projector)
 397                 projector_autos->draw_floating_autos(tracks->canvas,
 398                                 pixel,
 399                                 mwindow->zoom_track,
 400                                 zoom_units,
 401                                 view_start,
 402                                 mwindow->session->tracks_vertical, flash);
 403 }
 404
 405 int VTrack::release_auto_derived()
 406 {
 407         int result;
 408         result = 0;
 409
 410         result = camera_autos->release_auto();
 411         if(!result) result = projector_autos->release_auto();
 412
 413         return result;
 414 }
 415
 416 int VTrack::scale_video(float camera_scale, float projector_scale, int *offsets)
 417 {
 418 // Fix the camera.
 419         for(VEdit *current = (VEdit*)edits->first; current; current = (VEdit*)NEXT)
 420         {
 421                 current->center_z *= camera_scale;
 422                 current->center_x = -offsets[0];
 423                 current->center_y = -offsets[1];
 424         }
 425
 426 // Fix the projector.
 427         projector_autos->scale_video(projector_scale, &offsets[2]);
 428 }
 429
 430 int VTrack::render(VFrame **output, long input_len, long input_position, float step)
 431 {
 432         BezierAuto *before[4], *after[4];     // for bounding box
 433         int i;
 434         for(i = 0; i < 4; i++) { before[i] = 0;  after[i] = 0; }
 435
 436 // clear output buffer
 437 //      for(i = 0; i < input_len; i++)
 438 //      {
 439 //              output[i]->clear_frame();
 440 //      }
 441         output[0]->clear_frame();
 442
 443 // Render from the last edit to the first edit to accomidate feathering
 444         for(VEdit *current = (VEdit*)edits->last; current; current = (VEdit*)PREVIOUS)
 445         {
 446 //if(current == (VEdit*)edits->first || current == (VEdit*)edits->first->next)
 447 //      printf("%d %d %d\n", input_position, current->startproject, current->startproject + current->length);
 448                 if(input_position < current->startproject + current->length + current->feather_right &&
 449                         input_position >= current->startproject)
 450                         current->render(output,
 451                                 input_len,
 452                                 input_position,
 453                                 step,
 454                                 before,
 455                                 after,
 456                                 get_patch_of()->automate);
 457         }
 458 }
 459
 460 int VTrack::get_projection(float &in_x1, float &in_y1, float &in_x2, float &in_y2,
 461                                         float &out_x1, float &out_y1, float &out_x2, float &out_y2,
 462                                         int frame_w, int frame_h, long real_position,
 463                                         BezierAuto **before, BezierAuto **after)
 464 {
 465         static float center_x, center_y, center_z;
 466         static float x[4], y[4];
 467
 468         projector_autos->get_center(center_x, center_y, center_z, (float)real_position, 0, before, after);
 469         x[0] = y[0] = 0;
 470         x[1] = frame_w;
 471         y[1] = frame_h;
 472
 473         center_x += mwindow->output_w / 2;
 474         center_y += mwindow->output_h / 2;
 475
 476         x[2] = center_x - (frame_w / 2) * center_z;
 477         y[2] = center_y - (frame_h / 2) * center_z;
 478         x[3] = x[2] + frame_w * center_z;
 479         y[3] = y[2] + frame_h * center_z;
 480
 481         if(x[2] < 0)
 482         {
 483                 x[0] -= x[2] / center_z;
 484                 x[2] = 0;
 485         }
 486         if(y[2] < 0)
 487         {
 488                 y[0] -= y[2] / center_z;
 489                 y[2] = 0;
 490         }
 491         if(x[3] > mwindow->output_w)
 492         {
 493                 x[1] -= (x[3] - mwindow->output_w) / center_z;
 494                 x[3] = mwindow->output_w;
 495         }
 496         if(y[3] > mwindow->output_h)
 497         {
 498                 y[1] -= (y[3] - mwindow->output_h) / center_z;
 499                 y[3] = mwindow->output_h;
 500         }
 501
 502         in_x1 = x[0];
 503         in_y1 = y[0];
 504         in_x2 = x[1];
 505         in_y2 = y[1];
 506         out_x1 = x[2];
 507         out_y1 = y[2];
 508         out_x2 = x[3];
 509         out_y2 = y[3];
 510 }
 511
 512 int VTrack::scale_time_derived(float rate_scale, int scale_edits, int scale_autos, long start, long end)
 513 {
 514         camera_autos->scale_time(rate_scale, scale_edits, scale_autos, start, end);
 515         projector_autos->scale_time(rate_scale, scale_edits, scale_autos, start, end);
 516 }
 517