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