cinelerra-5.1/cinelerra/vwindow.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 1997-2012 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 "asset.h"
  23 #include "assets.h"
  24 #include "bcsignals.h"
  25 #include "clip.h"
  26 #include "clipedit.h"
  27 #include "bchash.h"
  28 #include "edl.h"
  29 #include "edlsession.h"
  30 #include "filesystem.h"
  31 #include "filexml.h"
  32 #include "indexable.h"
  33 #include "language.h"
  34 #include "localsession.h"
  35 #include "mainclock.h"
  36 #include "mainmenu.h"
  37 #include "mainsession.h"
  38 #include "mwindow.h"
  39 #include "mwindowgui.h"
  40 #include "playbackengine.h"
  41 #include "tracks.h"
  42 #include "transportque.h"
  43 #include "vplayback.h"
  44 #include "vtimebar.h"
  45 #include "vtracking.h"
  46 #include "vwindow.h"
  47 #include "vwindowgui.h"
  48
  49
  50 VWindow::VWindow(MWindow *mwindow)
  51  : BC_DialogThread()
  52 {
  53         this->mwindow = mwindow;
  54         gui = 0;
  55         playback_engine = 0;
  56         playback_cursor = 0;
  57         clip_edit = 0;
  58         indexable = 0;
  59         edl = 0;
  60 }
  61
  62
  63 VWindow::~VWindow()
  64 {
  65         close_window();
  66 //printf("VWindow::~VWindow 1\n");
  67         delete playback_engine;
  68 //printf("VWindow::~VWindow 1\n");
  69         delete playback_cursor;
  70         delete_source(1, 0);
  71         delete clip_edit;
  72 //printf("VWindow::~VWindow 2\n");
  73 }
  74
  75 void VWindow::delete_source(int do_main_edl, int update_gui)
  76 {
  77 //printf("VWindow::delete_source %d %d %p %p\n", __LINE__, gui->get_window_lock(), edl, indexable);
  78         if(do_main_edl) mwindow->edl->remove_vwindow_edl(get_edl());
  79
  80         if(edl)
  81         {
  82                 edl->Garbage::remove_user();
  83 //printf("VWindow::delete_source %d\n", __LINE__);
  84                 edl = 0;
  85         }
  86
  87 //      if(mwindow->edl->vwindow_edl && !mwindow->edl->vwindow_edl_shared)
  88 //      {
  89 //              mwindow->edl->vwindow_edl->Garbage::remove_user();
  90 //              mwindow->edl->vwindow_edl = 0;
  91 //              mwindow->edl->vwindow_edl_shared = 0;
  92 //      }
  93
  94 //printf("VWindow::delete_source %d\n", __LINE__);
  95         if(indexable) indexable->Garbage::remove_user();
  96         indexable = 0;
  97
  98         if(update_gui) gui->change_source(0, _("Viewer"));
  99 //printf("VWindow::delete_source %d\n", __LINE__);
 100 }
 101
 102
 103 void VWindow::load_defaults()
 104 {
 105 }
 106
 107 void VWindow::create_objects()
 108 {
 109 }
 110
 111
 112 void VWindow::handle_done_event(int result)
 113 {
 114         playback_engine->interrupt_playback(1);
 115         delete_source(1, 0);
 116         if( mwindow->in_destructor ) return;
 117
 118         int total = 0;
 119         for(int i = 0; i < mwindow->vwindows.size(); i++)
 120         {
 121
 122 //printf("VWindow::handle_done_event %d %d\n", __LINE__, mwindow->vwindows.get(i)->is_running());
 123                 if(mwindow->vwindows.get(i)->is_running()) total++;
 124         }
 125 // subtract ourselves
 126         total--;
 127
 128 // Update the menu if no viewers visible
 129         if(!total)
 130         {
 131                 mwindow->gui->lock_window("VWindowGUI::close_event");
 132                 mwindow->gui->mainmenu->show_vwindow->set_checked(0);
 133                 mwindow->gui->unlock_window();
 134
 135                 mwindow->session->show_vwindow = 0;
 136                 mwindow->save_defaults();
 137         }
 138 }
 139
 140
 141
 142 BC_Window* VWindow::new_gui()
 143 {
 144 //printf("VWindow::create_objects 1\n");
 145         gui = new VWindowGUI(mwindow, this);
 146 //printf("VWindow::create_objects 1\n");
 147         gui->create_objects();
 148 //printf("VWindow::create_objects 1\n");
 149
 150         playback_engine = new VPlayback(mwindow, this, gui->canvas);
 151 //printf("VWindow::create_objects 1\n");
 152
 153 // Start command loop
 154         playback_engine->create_objects();
 155 //printf("VWindow::create_objects 1\n");
 156         gui->transport->set_engine(playback_engine);
 157 //printf("VWindow::create_objects 1\n");
 158         playback_cursor = new VTracking(mwindow, this);
 159 //printf("VWindow::create_objects 1\n");
 160         playback_cursor->create_objects();
 161 //printf("VWindow::create_objects 2\n");
 162
 163         clip_edit = new ClipEdit(mwindow, 0, this);
 164         return gui;
 165 }
 166
 167
 168 EDL* VWindow::get_edl()
 169 {
 170 //      return mwindow->edl->vwindow_edl;
 171         return edl;
 172 }
 173
 174 Indexable* VWindow::get_source()
 175 {
 176         return this->indexable;
 177 }
 178
 179 void VWindow::change_source(int edl_number)
 180 {
 181         if(!is_running()) return;
 182
 183 //printf("VWindow::change_source %d %p\n", __LINE__, mwindow->edl->get_vwindow_edl(edl_number));
 184         if( edl_number >= 0 && edl_number < mwindow->edl->total_vwindow_edls() &&
 185                  mwindow->edl->get_vwindow_edl(edl_number) )
 186         {
 187                 this->edl = mwindow->edl->get_vwindow_edl(edl_number);
 188                 this->edl->Garbage::add_user();
 189                 gui->change_source(get_edl(), get_edl()->local_session->clip_title);
 190                 update_position(CHANGE_ALL, 1, 1, 1);
 191         }
 192         else
 193         {
 194                 delete_source(1, 1);
 195 //              if(indexable) indexable->Garbage::remove_user();
 196 //              indexable = 0;
 197 //              mwindow->edl->vwindow_edl_shared = 0;
 198         }
 199 }
 200
 201 void VWindow::change_source(Indexable *indexable)
 202 {
 203         if(!running()) return;
 204 //      if(asset && this->asset &&
 205 //              asset->id == this->asset->id &&
 206 //              asset == this->asset) return;
 207
 208 //printf("VWindow::change_source %d\n", __LINE__);
 209
 210         char title[BCTEXTLEN];
 211         FileSystem fs;
 212         fs.extract_name(title, indexable->path);
 213 //printf("VWindow::change_source 1\n");
 214
 215         delete_source(1, 0);
 216 //printf("VWindow::change_source 1\n");
 217
 218 // Generate EDL off of main EDL for cutting
 219         Asset *asset = 0;
 220         EDL *nested_edl = 0;
 221         if(indexable->is_asset)
 222         {
 223                 this->indexable = asset = new Asset;
 224                 asset->copy_from((Asset*)indexable, 0);
 225         }
 226         else
 227         {
 228                 this->indexable = nested_edl = new EDL;
 229                 nested_edl->create_objects();
 230                 nested_edl->copy_all((EDL*)indexable);
 231         }
 232
 233 // Create EDL
 234         this->edl = new EDL(mwindow->edl);
 235         this->edl->create_objects();
 236         mwindow->edl->append_vwindow_edl(this->edl, 1);
 237
 238 //      mwindow->edl->vwindow_edl = new EDL(mwindow->edl);
 239 //      mwindow->edl->vwindow_edl_shared = 0;
 240 //      mwindow->edl->vwindow_edl->create_objects();
 241
 242 //printf("VWindow::change_source 1 %d %p %p\n", __LINE__, asset, nested_edl);
 243         if(asset)
 244                 mwindow->asset_to_edl(this->edl, asset);
 245         else
 246                 mwindow->edl_to_nested(this->edl, nested_edl);
 247
 248 // Update GUI
 249         gui->change_source(this->edl, title);
 250         update_position(CHANGE_ALL, 1, 1, 1);
 251
 252
 253
 254 //printf("VWindow::change_source 2\n");
 255 }
 256
 257 void VWindow::change_source(EDL *edl)
 258 {
 259         if(!running()) return;
 260 //printf("VWindow::change_source %d %p\n", __LINE__, edl);
 261 // EDLs are identical
 262 //      if(edl && mwindow->edl->vwindow_edl &&
 263 //              edl->id == mwindow->edl->vwindow_edl->id) return;
 264         if(edl && get_edl() && edl->id == get_edl()->id) return;
 265
 266         delete_source(1, 0);
 267
 268         if(edl)
 269         {
 270                 mwindow->edl->append_vwindow_edl(edl, 1);
 271                 this->edl = edl;
 272                 this->edl->Garbage::add_user();
 273
 274 //              mwindow->edl->vwindow_edl = edl;
 275 // in order not to later delete edl if it is shared
 276 //              edl->Garbage::add_user();
 277 //              mwindow->edl->vwindow_edl_shared = 1;
 278
 279 // Update GUI
 280                 gui->change_source(edl, edl->local_session->clip_title);
 281                 update_position(CHANGE_ALL, 1, 1, 1);
 282         }
 283         else
 284                 gui->change_source(edl, _("Viewer"));
 285 }
 286
 287 void VWindow::change_source(char *folder, int item)
 288 {
 289 //printf("VWindow::change_source %d\n", __LINE__);
 290         int result = 0;
 291         if(!running()) return;
 292 // Search EDLs
 293         if(!strcasecmp(folder, CLIP_FOLDER))
 294         {
 295                 if(item < mwindow->edl->clips.total)
 296                 {
 297                         change_source(mwindow->edl->clips.values[item]);
 298                         result = 1;
 299                 }
 300         }
 301         else
 302 // Search media
 303         if(!strcasecmp(folder, MEDIA_FOLDER))
 304         {
 305                 if(item < mwindow->edl->assets->total())
 306                 {
 307                         change_source(mwindow->edl->assets->get_item_number(item));
 308                         result = 1;
 309                 }
 310         }
 311         else
 312 // Search extra clip folders
 313         {
 314         }
 315
 316         if(!result)
 317         {
 318                 delete_source(1, 1);
 319         }
 320 }
 321
 322
 323
 324
 325 void VWindow::goto_start()
 326 {
 327         if(get_edl())
 328         {
 329                 get_edl()->local_session->set_selectionstart(0);
 330                 get_edl()->local_session->set_selectionend(0);
 331                 update_position(CHANGE_NONE,
 332                         0,
 333                         1,
 334                         0);
 335         }
 336 }
 337
 338 void VWindow::goto_end()
 339 {
 340         if(get_edl())
 341         {
 342                 double position = get_edl()->tracks->total_length();
 343                 get_edl()->local_session->set_selectionstart(position);
 344                 get_edl()->local_session->set_selectionend(position);
 345                 update_position(CHANGE_NONE,
 346                         0,
 347                         1,
 348                         0);
 349         }
 350 }
 351
 352 void VWindow::update(int do_timebar)
 353 {
 354         if(do_timebar)
 355                 gui->timebar->update(1);
 356 }
 357
 358 void VWindow::update_position(int change_type,
 359         int use_slider,
 360         int update_slider,
 361         int lock_window)
 362 {
 363         EDL *edl = get_edl();
 364         if(edl)
 365         {
 366 //printf("VWindow::update_position %d\n", __LINE__);
 367 //edl->dump();
 368                 playback_engine->que->send_command(CURRENT_FRAME,
 369                         change_type,
 370                         edl,
 371                         1);
 372
 373                 double position = edl->local_session->get_selectionstart(1);
 374                 Asset *asset = edl->assets->first;
 375                 if( asset && asset->tcstart ) {
 376                         double rate = asset->video_data ? asset->frame_rate :
 377                                 asset->audio_data ? asset->sample_rate : 0;
 378                         if( rate > 0 )
 379                                 position += asset->tcstart / rate;
 380                 }
 381
 382                 if(lock_window) gui->lock_window("VWindow::update_position");
 383                 gui->clock->update(position);
 384                 if(lock_window) gui->unlock_window();
 385         }
 386 }
 387
 388
 389
 390
 391
 392 int VWindow::update_position(double position)
 393 {
 394         EDL *edl = get_edl();
 395         if(edl)
 396         {
 397                 gui->unlock_window();
 398
 399                 playback_engine->interrupt_playback(1);
 400
 401                 position = mwindow->edl->align_to_frame(position, 0);
 402                 position = MAX(0, position);
 403
 404                 edl->local_session->set_selectionstart(position);
 405                 edl->local_session->set_selectionend(position);
 406
 407                 gui->lock_window("VWindow::update_position 1");
 408                 update_position(CHANGE_NONE, 0, 1, 0);
 409         }
 410
 411         return 1;
 412 }
 413
 414 void VWindow::set_inpoint()
 415 {
 416         EDL *edl = get_edl();
 417         if(edl)
 418         {
 419                 edl->set_inpoint(edl->local_session->get_selectionstart(1));
 420                 gui->timebar->update(1);
 421         }
 422 }
 423
 424 void VWindow::set_outpoint()
 425 {
 426         EDL *edl = get_edl();
 427         if(edl)
 428         {
 429                 edl->set_outpoint(edl->local_session->get_selectionstart(1));
 430                 gui->timebar->update(1);
 431         }
 432 }
 433
 434 void VWindow::clear_inpoint()
 435 {
 436         EDL *edl = get_edl();
 437         if(edl)
 438         {
 439                 edl->local_session->unset_inpoint();
 440                 gui->timebar->update(1);
 441         }
 442 }
 443
 444 void VWindow::clear_outpoint()
 445 {
 446         EDL *edl = get_edl();
 447         if(edl)
 448         {
 449                 edl->local_session->unset_outpoint();
 450                 gui->timebar->update(1);
 451         }
 452 }
 453
 454 void VWindow::copy()
 455 {
 456         EDL *edl = get_edl();
 457         if(edl)
 458         {
 459                 double start = edl->local_session->get_selectionstart();
 460                 double end = edl->local_session->get_selectionend();
 461                 FileXML file;
 462                 edl->copy(start,
 463                         end,
 464                         0,
 465                         0,
 466                         0,
 467                         &file,
 468                         "",
 469                         1);
 470                 const char *file_string = file.string();
 471                 long file_length = strlen(file_string);
 472                 mwindow->gui->lock_window();
 473                 mwindow->gui->get_clipboard()->to_clipboard(file_string, file_length,
 474                         SECONDARY_SELECTION);
 475                 mwindow->gui->get_clipboard()->to_clipboard(file_string, file_length,
 476                         BC_PRIMARY_SELECTION);
 477                 mwindow->gui->unlock_window();
 478         }
 479 }
 480
 481 void VWindow::splice_selection()
 482 {
 483 }
 484
 485 void VWindow::overwrite_selection()
 486 {
 487 }
 488