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                 edl->Garbage::remove_user();
  82                 edl = 0;
  83         }
  84
  85         if( indexable ) {
  86                 indexable->Garbage::remove_user();
  87                 indexable = 0;
  88         }
  89
  90         if( update_gui ) {
  91                 gui->change_source(0, _("Viewer"));
  92                 gui->clock->clear();
  93         }
  94 }
  95
  96
  97 void VWindow::load_defaults()
  98 {
  99 }
 100
 101 void VWindow::create_objects()
 102 {
 103 }
 104
 105
 106 void VWindow::handle_done_event(int result)
 107 {
 108         playback_engine->interrupt_playback(1);
 109         delete_source(1, 0);
 110         if( mwindow->in_destructor ) return;
 111
 112         int total = 0;
 113         for(int i = 0; i < mwindow->vwindows.size(); i++)
 114         {
 115
 116 //printf("VWindow::handle_done_event %d %d\n", __LINE__, mwindow->vwindows.get(i)->is_running());
 117                 if(mwindow->vwindows.get(i)->is_running()) total++;
 118         }
 119 // subtract ourselves
 120         total--;
 121
 122 // Update the menu if no viewers visible
 123         if(!total)
 124         {
 125                 mwindow->gui->lock_window("VWindowGUI::close_event");
 126                 mwindow->gui->mainmenu->show_vwindow->set_checked(0);
 127                 mwindow->gui->unlock_window();
 128
 129                 mwindow->session->show_vwindow = 0;
 130                 mwindow->save_defaults();
 131         }
 132 }
 133
 134 BC_Window* VWindow::new_gui()
 135 {
 136 //printf("VWindow::create_objects 1\n");
 137         gui = new VWindowGUI(mwindow, this);
 138 //printf("VWindow::create_objects 1\n");
 139         gui->create_objects();
 140 //printf("VWindow::create_objects 1\n");
 141
 142         playback_engine = new VPlayback(mwindow, this, gui->canvas);
 143 //printf("VWindow::create_objects 1\n");
 144
 145 // Start command loop
 146         playback_engine->create_objects();
 147 //printf("VWindow::create_objects 1\n");
 148         gui->transport->set_engine(playback_engine);
 149 //printf("VWindow::create_objects 1\n");
 150         playback_cursor = new VTracking(mwindow, this);
 151 //printf("VWindow::create_objects 1\n");
 152         playback_cursor->create_objects();
 153 //printf("VWindow::create_objects 2\n");
 154
 155         clip_edit = new ClipEdit(mwindow, 0, this);
 156         return gui;
 157 }
 158
 159 void VWindow::handle_close_event(int result)
 160 {
 161         delete playback_engine;
 162         playback_engine = 0;
 163 }
 164
 165
 166 EDL* VWindow::get_edl()
 167 {
 168 //      return mwindow->edl->vwindow_edl;
 169         return edl;
 170 }
 171
 172 Indexable* VWindow::get_source()
 173 {
 174         return this->indexable;
 175 }
 176
 177 void VWindow::change_source(int edl_number)
 178 {
 179         if(!is_running()) return;
 180         if( playback_engine->is_playing_back )
 181                 stop_playback(1);
 182
 183         gui->lock_window("VWindow::change_source 1");
 184 //printf("VWindow::change_source %d %p\n", __LINE__, mwindow->edl->get_vwindow_edl(edl_number));
 185         if( edl_number >= 0 && edl_number < mwindow->edl->total_vwindow_edls() &&
 186                  mwindow->edl->get_vwindow_edl(edl_number) )
 187         {
 188                 this->edl = mwindow->edl->get_vwindow_edl(edl_number);
 189                 this->edl->Garbage::add_user();
 190                 gui->change_source(get_edl(), get_edl()->local_session->clip_title);
 191                 update_position(CHANGE_ALL, 1, 1, 1);
 192         }
 193         else
 194         {
 195                 delete_source(1, 1);
 196 //              if(indexable) indexable->Garbage::remove_user();
 197 //              indexable = 0;
 198 //              mwindow->edl->vwindow_edl_shared = 0;
 199         }
 200         gui->unlock_window();
 201 }
 202
 203 void VWindow::change_source(Indexable *indexable)
 204 {
 205         if( !indexable->is_asset ) {
 206                 change_source((EDL*)indexable);
 207                 return;
 208         }
 209         if(!running()) return;
 210         if( playback_engine->is_playing_back )
 211                 stop_playback(1);
 212
 213         gui->lock_window("VWindow::change_source 2");
 214
 215         char title[BCTEXTLEN];
 216         FileSystem fs;
 217         fs.extract_name(title, indexable->path);
 218         delete_source(1, 0);
 219
 220 // Create EDL
 221         this->edl = new EDL(mwindow->edl);
 222         this->edl->create_objects();
 223         mwindow->edl->append_vwindow_edl(this->edl, 1);
 224
 225 // Generate EDL off of main EDL for cutting
 226         Asset *asset = new Asset;
 227         asset->copy_from((Asset*)indexable, 0);
 228         this->indexable = asset;
 229         mwindow->asset_to_edl(this->edl, asset);
 230
 231 // Update GUI
 232         gui->change_source(this->edl, title);
 233         update_position(CHANGE_ALL, 1, 1, 1);
 234
 235         gui->unlock_window();
 236 }
 237
 238 void VWindow::change_source(EDL *edl)
 239 {
 240         if(!running()) return;
 241         if( playback_engine->is_playing_back )
 242                 stop_playback(1);
 243
 244 //printf("VWindow::change_source %d %p\n", __LINE__, edl);
 245 // EDLs are identical
 246 //      if(edl && mwindow->edl->vwindow_edl &&
 247 //              edl->id == mwindow->edl->vwindow_edl->id) return;
 248         if(edl && get_edl() && edl->id == get_edl()->id) return;
 249
 250         gui->lock_window("VWindow::change_source 3");
 251
 252         delete_source(1, 0);
 253
 254         if(edl)
 255         {
 256                 mwindow->edl->append_vwindow_edl(edl, 1);
 257                 this->edl = edl;
 258                 this->edl->Garbage::add_user();
 259                 edl->local_session->preview_start = 0;
 260                 edl->local_session->preview_end = -1;
 261 //              mwindow->edl->vwindow_edl = edl;
 262 // in order not to later delete edl if it is shared
 263 //              edl->Garbage::add_user();
 264 //              mwindow->edl->vwindow_edl_shared = 1;
 265
 266 // Update GUI
 267                 gui->change_source(edl, edl->local_session->clip_title);
 268                 update_position(CHANGE_ALL, 1, 1, 1);
 269         }
 270         else
 271                 gui->change_source(edl, _("Viewer"));
 272         gui->unlock_window();
 273 }
 274
 275
 276 void VWindow::goto_start()
 277 {
 278         if(get_edl())
 279         {
 280                 get_edl()->local_session->set_selectionstart(0);
 281                 get_edl()->local_session->set_selectionend(0);
 282                 update_position(CHANGE_NONE,
 283                         0,
 284                         1,
 285                         0);
 286         }
 287 }
 288
 289 void VWindow::goto_end()
 290 {
 291         if(get_edl())
 292         {
 293                 double position = get_edl()->tracks->total_length();
 294                 get_edl()->local_session->set_selectionstart(position);
 295                 get_edl()->local_session->set_selectionend(position);
 296                 update_position(CHANGE_NONE,
 297                         0,
 298                         1,
 299                         0);
 300         }
 301 }
 302
 303 void VWindow::update(int do_timebar)
 304 {
 305         if(do_timebar)
 306                 gui->timebar->update(1);
 307         gui->edit_panel->update();
 308 }
 309
 310 void VWindow::update_position(int change_type,
 311         int use_slider,
 312         int update_slider,
 313         int lock_window)
 314 {
 315         EDL *edl = get_edl();
 316         if(edl)
 317         {
 318 //printf("VWindow::update_position %d\n", __LINE__);
 319 //edl->dump();
 320                 playback_engine->refresh_frame(change_type, edl);
 321
 322                 double position = edl->local_session->get_selectionstart(1);
 323                 if(lock_window) gui->lock_window("VWindow::update_position");
 324                 gui->clock->update(position);
 325                 gui->timebar->update(1);
 326                 if(lock_window) gui->unlock_window();
 327         }
 328 }
 329
 330 void VWindow::stop_playback(int wait)
 331 {
 332         playback_engine->stop_playback(wait);
 333 }
 334
 335 int VWindow::update_position(double position)
 336 {
 337         EDL *edl = get_edl();
 338         if(edl)
 339         {
 340                 gui->unlock_window();
 341
 342                 playback_engine->interrupt_playback(1);
 343
 344                 position = mwindow->edl->align_to_frame(position, 0);
 345                 position = MAX(0, position);
 346
 347                 edl->local_session->set_selectionstart(position);
 348                 edl->local_session->set_selectionend(position);
 349
 350                 gui->lock_window("VWindow::update_position 1");
 351                 update_position(CHANGE_NONE, 0, 1, 0);
 352         }
 353
 354         return 1;
 355 }
 356
 357 void VWindow::set_inpoint()
 358 {
 359         EDL *edl = get_edl();
 360         if(edl)
 361         {
 362                 edl->set_inpoint(edl->local_session->get_selectionstart(1));
 363                 gui->timebar->update(1);
 364         }
 365 }
 366
 367 void VWindow::set_outpoint()
 368 {
 369         EDL *edl = get_edl();
 370         if(edl)
 371         {
 372                 edl->set_outpoint(edl->local_session->get_selectionstart(1));
 373                 gui->timebar->update(1);
 374         }
 375 }
 376
 377 void VWindow::unset_inoutpoint()
 378 {
 379         EDL *edl = get_edl();
 380         if(edl)
 381         {
 382                 edl->unset_inoutpoint();
 383                 gui->timebar->update(1);
 384         }
 385 }
 386
 387 void VWindow::copy(int all)
 388 {
 389         EDL *edl = get_edl();
 390         if(edl)
 391         {
 392                 double start = all ? 0 :
 393                         edl->local_session->get_selectionstart();
 394                 double end = all ? edl->tracks->total_length() :
 395                         edl->local_session->get_selectionend();
 396                 EDL *copy_edl = new EDL; // no parent or assets wont be copied
 397                 copy_edl->create_objects();
 398                 copy_edl->copy_all(edl);
 399                 FileXML file;
 400                 copy_edl->copy(start, end, 0, &file, "", 1);
 401                 copy_edl->remove_user();
 402                 const char *file_string = file.string();
 403                 long file_length = strlen(file_string);
 404                 mwindow->gui->lock_window();
 405                 mwindow->gui->to_clipboard(file_string, file_length, BC_PRIMARY_SELECTION);
 406                 mwindow->gui->to_clipboard(file_string, file_length, SECONDARY_SELECTION);
 407                 mwindow->gui->unlock_window();
 408         }
 409 }
 410
 411 void VWindow::splice_selection()
 412 {
 413 }
 414
 415 void VWindow::overwrite_selection()
 416 {
 417 }
 418