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
 288 void VWindow::goto_start()
 289 {
 290         if(get_edl())
 291         {
 292                 get_edl()->local_session->set_selectionstart(0);
 293                 get_edl()->local_session->set_selectionend(0);
 294                 update_position(CHANGE_NONE,
 295                         0,
 296                         1,
 297                         0);
 298         }
 299 }
 300
 301 void VWindow::goto_end()
 302 {
 303         if(get_edl())
 304         {
 305                 double position = get_edl()->tracks->total_length();
 306                 get_edl()->local_session->set_selectionstart(position);
 307                 get_edl()->local_session->set_selectionend(position);
 308                 update_position(CHANGE_NONE,
 309                         0,
 310                         1,
 311                         0);
 312         }
 313 }
 314
 315 void VWindow::update(int do_timebar)
 316 {
 317         if(do_timebar)
 318                 gui->timebar->update(1);
 319 }
 320
 321 void VWindow::update_position(int change_type,
 322         int use_slider,
 323         int update_slider,
 324         int lock_window)
 325 {
 326         EDL *edl = get_edl();
 327         if(edl)
 328         {
 329 //printf("VWindow::update_position %d\n", __LINE__);
 330 //edl->dump();
 331                 playback_engine->refresh_frame(change_type, edl);
 332
 333                 double position = edl->local_session->get_selectionstart(1);
 334                 if(lock_window) gui->lock_window("VWindow::update_position");
 335                 gui->clock->update(position);
 336                 if(lock_window) gui->unlock_window();
 337         }
 338 }
 339
 340 void VWindow::stop_playback(int wait)
 341 {
 342         playback_engine->stop_playback(wait);
 343 }
 344
 345 int VWindow::update_position(double position)
 346 {
 347         EDL *edl = get_edl();
 348         if(edl)
 349         {
 350                 gui->unlock_window();
 351
 352                 playback_engine->interrupt_playback(1);
 353
 354                 position = mwindow->edl->align_to_frame(position, 0);
 355                 position = MAX(0, position);
 356
 357                 edl->local_session->set_selectionstart(position);
 358                 edl->local_session->set_selectionend(position);
 359
 360                 gui->lock_window("VWindow::update_position 1");
 361                 update_position(CHANGE_NONE, 0, 1, 0);
 362         }
 363
 364         return 1;
 365 }
 366
 367 void VWindow::set_inpoint()
 368 {
 369         EDL *edl = get_edl();
 370         if(edl)
 371         {
 372                 edl->set_inpoint(edl->local_session->get_selectionstart(1));
 373                 gui->timebar->update(1);
 374         }
 375 }
 376
 377 void VWindow::set_outpoint()
 378 {
 379         EDL *edl = get_edl();
 380         if(edl)
 381         {
 382                 edl->set_outpoint(edl->local_session->get_selectionstart(1));
 383                 gui->timebar->update(1);
 384         }
 385 }
 386
 387 void VWindow::unset_inoutpoint()
 388 {
 389         EDL *edl = get_edl();
 390         if(edl)
 391         {
 392                 edl->unset_inoutpoint();
 393                 gui->timebar->update(1);
 394         }
 395 }
 396
 397 void VWindow::copy()
 398 {
 399         EDL *edl = get_edl();
 400         if(edl)
 401         {
 402                 double start = edl->local_session->get_selectionstart();
 403                 double end = edl->local_session->get_selectionend();
 404                 FileXML file;
 405                 edl->copy(start,
 406                         end,
 407                         0,
 408                         0,
 409                         0,
 410                         &file,
 411                         "",
 412                         1);
 413                 const char *file_string = file.string();
 414                 long file_length = strlen(file_string);
 415                 mwindow->gui->lock_window();
 416                 mwindow->gui->to_clipboard(file_string, file_length, BC_PRIMARY_SELECTION);
 417                 mwindow->gui->to_clipboard(file_string, file_length, SECONDARY_SELECTION);
 418                 mwindow->gui->unlock_window();
 419         }
 420 }
 421
 422 void VWindow::splice_selection()
 423 {
 424 }
 425
 426 void VWindow::overwrite_selection()
 427 {
 428 }
 429