cinelerra/playtransport.C

   1 #include "edl.h"
   2 #include "keys.h"
   3 #include "language.h"
   4 #include "localsession.h"
   5 #include "mwindow.h"
   6 #include "playbackengine.h"
   7 #include "playtransport.h"
   8 #include "preferences.h"
   9 #include "theme.h"
  10 #include "transportque.h"
  11 #include "vframe.h"
  12 #include "localsession.h"
  13
  14
  15
  16 PlayTransport::PlayTransport(MWindow *mwindow,
  17         BC_WindowBase *subwindow,
  18         int x,
  19         int y)
  20 {
  21         this->subwindow = subwindow;
  22         this->mwindow = mwindow;
  23         this->x = x;
  24         this->y = y;
  25         this->slider = 0;
  26         this->engine = 0;
  27 }
  28
  29
  30 PlayTransport::~PlayTransport()
  31 {
  32         delete forward_play;
  33         delete frame_forward_play;
  34         delete reverse_play;
  35         delete frame_reverse_play;
  36         delete fast_reverse;
  37         delete fast_play;
  38         delete rewind_button;
  39         delete stop_button;
  40         delete end_button;
  41 }
  42
  43 void PlayTransport::set_engine(PlaybackEngine *engine)
  44 {
  45         this->engine = engine;
  46 }
  47
  48 void PlayTransport::set_slider(BC_Slider *slider)
  49 {
  50         this->slider = slider;
  51 }
  52
  53 int PlayTransport::get_transport_width(MWindow *mwindow)
  54 {
  55         return mwindow->theme->get_image_set("stop")[0]->get_w() * 7 +
  56                 mwindow->theme->get_image_set("rewind")[0]->get_w() * 2;
  57 }
  58
  59 int PlayTransport::create_objects()
  60 {
  61         int x = this->x, y = this->y;
  62         subwindow->add_subwindow(rewind_button = new RewindButton(mwindow, this, x, y));
  63         x += rewind_button->get_w();
  64         subwindow->add_subwindow(fast_reverse = new FastReverseButton(mwindow, this, x, y));
  65         x += fast_reverse->get_w();
  66         subwindow->add_subwindow(reverse_play = new ReverseButton(mwindow, this, x, y));
  67         x += reverse_play->get_w();
  68         subwindow->add_subwindow(frame_reverse_play = new FrameReverseButton(mwindow, this, x, y));
  69         x += frame_reverse_play->get_w();
  70         subwindow->add_subwindow(stop_button = new StopButton(mwindow, this, x, y));
  71         x += stop_button->get_w();
  72         subwindow->add_subwindow(frame_forward_play = new FramePlayButton(mwindow, this, x, y));
  73         x += frame_forward_play->get_w();
  74         subwindow->add_subwindow(forward_play = new PlayButton(mwindow, this, x, y));
  75         x += forward_play->get_w();
  76         subwindow->add_subwindow(fast_play = new FastPlayButton(mwindow, this, x, y));
  77         x += fast_play->get_w();
  78         subwindow->add_subwindow(end_button = new EndButton(mwindow, this, x, y));
  79         x += end_button->get_w();
  80
  81         reverse = 0;
  82         speed = 0;
  83
  84         return 0;
  85 }
  86
  87 void PlayTransport::reposition_buttons(int x, int y)
  88 {
  89         this->x = x;
  90         this->y = y;
  91         rewind_button->reposition_window(x, y);
  92         x += rewind_button->get_w();
  93         fast_reverse->reposition_window(x, y);
  94         x += fast_reverse->get_w();
  95         reverse_play->reposition_window(x, y);
  96         x += reverse_play->get_w();
  97         frame_reverse_play->reposition_window(x, y);
  98         x += frame_reverse_play->get_w();
  99         stop_button->reposition_window(x, y);
 100         x += stop_button->get_w();
 101         frame_forward_play->reposition_window(x, y);
 102         x += frame_forward_play->get_w();
 103         forward_play->reposition_window(x, y);
 104         x += forward_play->get_w();
 105         fast_play->reposition_window(x, y);
 106         x += fast_play->get_w();
 107         end_button->reposition_window(x, y);
 108         x += end_button->get_w();
 109 }
 110
 111 int PlayTransport::get_w()
 112 {
 113         return end_button->get_x() + end_button->get_w() - rewind_button->get_x();
 114 }
 115
 116 int PlayTransport::flip_vertical(int vertical, int &x, int &y)
 117 {
 118         if(vertical)
 119         {
 120                 rewind_button->reposition_window(x, y);
 121                 y += rewind_button->get_h();
 122                 fast_reverse->reposition_window(x, y);
 123                 y += fast_reverse->get_h();
 124                 reverse_play->reposition_window(x, y);
 125                 y += reverse_play->get_h();
 126                 frame_reverse_play->reposition_window(x, y);
 127                 y += frame_reverse_play->get_h();
 128                 stop_button->reposition_window(x, y);
 129                 y += stop_button->get_h();
 130                 frame_forward_play->reposition_window(x, y);
 131                 y += frame_forward_play->get_h();
 132                 forward_play->reposition_window(x, y);
 133                 y += forward_play->get_h();
 134                 fast_play->reposition_window(x, y);
 135                 y += fast_play->get_h();
 136                 end_button->reposition_window(x, y);
 137                 y += end_button->get_h();
 138         }
 139         else
 140         {
 141                 rewind_button->reposition_window(x, y - 2);
 142                 x += rewind_button->get_w();
 143                 fast_reverse->reposition_window(x, y - 2);
 144                 x += fast_reverse->get_w();
 145                 reverse_play->reposition_window(x, y - 2);
 146                 x += reverse_play->get_w();
 147                 frame_reverse_play->reposition_window(x, y - 2);
 148                 x += frame_reverse_play->get_w();
 149                 stop_button->reposition_window(x, y - 2);
 150                 x += stop_button->get_w();
 151                 frame_forward_play->reposition_window(x, y - 2);
 152                 x += frame_forward_play->get_w();
 153                 forward_play->reposition_window(x, y - 2);
 154                 x += forward_play->get_w();
 155                 fast_play->reposition_window(x, y - 2);
 156                 x += fast_play->get_w();
 157                 end_button->reposition_window(x, y - 2);
 158                 x += end_button->get_w();
 159         }
 160
 161         return 0;
 162 }
 163
 164 int PlayTransport::keypress_event()
 165 {
 166         int result = 0;
 167         if(subwindow->shift_down())
 168         {
 169                 switch(subwindow->get_keypress())
 170                 {
 171                         case END:
 172                                 subwindow->lock_window("PlayTransport::keypress_event 1");
 173                                 goto_end();
 174                                 result = 1;
 175                                 subwindow->unlock_window();
 176                                 break;
 177                         case HOME:
 178                                 subwindow->lock_window("PlayTransport::keypress_event 2");
 179                         goto_start();
 180                                 result = 1;
 181                                 subwindow->unlock_window();
 182                                 break;
 183                 }
 184                 return result;
 185         }
 186
 187 // Set playback range to in/out points if CTRL is down
 188         int use_inout = 0;
 189         if(subwindow->ctrl_down())
 190         {
 191                 use_inout = 1;
 192         }
 193         subwindow->unlock_window();
 194
 195
 196         switch(subwindow->get_keypress())
 197         {
 198                 case KPPLUS:        handle_transport(FAST_REWIND, 0, use_inout);                result = 1; break;
 199                 case KP6:           handle_transport(NORMAL_REWIND, 0, use_inout);              result = 1; break;
 200                 case KP5:           handle_transport(SLOW_REWIND, 0, use_inout);                result = 1; break;
 201                 case KP4:           handle_transport(SINGLE_FRAME_REWIND, 0, use_inout);        result = 1; break;
 202                 case KP1:           handle_transport(SINGLE_FRAME_FWD, 0, use_inout);                     result = 1; break;
 203                 case KP2:           handle_transport(SLOW_FWD, 0, use_inout);                             result = 1; break;
 204                 case KP3:           handle_transport(NORMAL_FWD, 0, use_inout);                           result = 1; break;
 205                 case KPENTER:       handle_transport(FAST_FWD, 0, use_inout);                             result = 1; break;
 206                 case KPINS:         handle_transport(STOP, 0, use_inout);                       result = 1; break;
 207                 case ' ':           handle_transport(NORMAL_FWD, 0, use_inout);                 result = 1; break;
 208                 case 'k':           handle_transport(STOP, 0, use_inout);                                         result = 1; break;
 209                 case END:
 210                         subwindow->lock_window("PlayTransport::keypress_event 3");
 211                         goto_end();
 212                         result = 1;
 213                         subwindow->unlock_window();
 214                         break;
 215                 case HOME:
 216                         subwindow->lock_window("PlayTransport::keypress_event 4");
 217                     goto_start();
 218                         result = 1;
 219                         subwindow->unlock_window();
 220                         break;
 221         }
 222
 223         subwindow->lock_window("PlayTransport::keypress_event 5");
 224
 225         return result;
 226 }
 227
 228
 229 void PlayTransport::goto_start()
 230 {
 231         handle_transport(REWIND, 1, 0);
 232 }
 233
 234 void PlayTransport::goto_end()
 235 {
 236         handle_transport(GOTO_END, 1, 0);
 237 }
 238
 239
 240
 241 void PlayTransport::handle_transport(int command,
 242         int wait_tracking,
 243         int use_inout,
 244         int update_refresh)
 245 {
 246         if(!get_edl()) return;
 247
 248 // Stop requires transferring the output buffer to a refresh buffer.
 249         int do_stop = 0;
 250 //printf("PlayTransport::handle_transport 1 %d\n", command);
 251         int prev_command = engine->command->command;
 252         int prev_direction = engine->command->get_direction();
 253         int prev_single_frame = engine->command->single_frame();
 254
 255 // Dispatch command
 256         switch(command)
 257         {
 258 // Commands that play back
 259                 case FAST_REWIND:
 260                 case NORMAL_REWIND:
 261                 case SLOW_REWIND:
 262                 case SINGLE_FRAME_REWIND:
 263                 case SINGLE_FRAME_FWD:
 264                 case SLOW_FWD:
 265                 case NORMAL_FWD:
 266                 case FAST_FWD:
 267 // Same direction pressed twice.  Stop
 268                         if(prev_command == command &&
 269                                 !prev_single_frame)
 270                         {
 271                                 do_stop = 1;
 272                         }
 273                         else
 274 // Resume or change direction
 275                         if(prev_command != STOP &&
 276                                 prev_command != COMMAND_NONE &&
 277                                 prev_command != SINGLE_FRAME_FWD &&
 278                                 prev_command != SINGLE_FRAME_REWIND)
 279                         {
 280                                 engine->que->send_command(STOP,
 281                                         CHANGE_NONE,
 282                                         0,
 283                                         0,
 284                                         0,
 285                                         0);
 286                                 engine->interrupt_playback(wait_tracking);
 287                                 engine->que->send_command(command,
 288                                         CHANGE_NONE,
 289                                         get_edl(),
 290                                         1,
 291                                         1,
 292                                         use_inout);
 293                         }
 294                         else
 295 // Start from scratch
 296                         {
 297                                 engine->que->send_command(command,
 298                                         CHANGE_NONE,
 299                                         get_edl(),
 300                                         1,
 301                                         0,
 302                                         use_inout);
 303                         }
 304                         break;
 305
 306 // Commands that stop
 307                 case STOP:
 308                         do_stop = 1;
 309                         break;
 310
 311                 case REWIND:
 312                 case GOTO_END:
 313                         engine->que->send_command(STOP,
 314                                 CHANGE_NONE,
 315                                 0,
 316                                 0,
 317                                 0,
 318                                 0);
 319                         engine->interrupt_playback(wait_tracking);
 320                         break;
 321         }
 322
 323         if(do_stop)
 324         {
 325                 engine->que->send_command(STOP,
 326                         CHANGE_NONE,
 327                         0,
 328                         0,
 329                         0,
 330                         0);
 331                 engine->interrupt_playback(wait_tracking);
 332 // This is necessary to get an OpenGL output buffer
 333 // printf("PlayTransport::handle_transport 2 update_refresh=%d prev_command=%d prev_direction=%d\n",
 334 // update_refresh, prev_command, prev_direction);
 335                 if(!prev_single_frame &&
 336                         update_refresh &&
 337                         prev_command != STOP &&
 338                         prev_command != COMMAND_NONE)
 339                 {
 340                         engine->que->send_command(
 341                                 (prev_direction == PLAY_FORWARD) ? SINGLE_FRAME_REWIND : SINGLE_FRAME_FWD,
 342                                 CHANGE_NONE,
 343                                 get_edl(),
 344                                 1,
 345                                 0,
 346                                 0);
 347                 }
 348         }
 349 }
 350
 351 EDL* PlayTransport::get_edl()
 352 {
 353         return mwindow->edl;
 354 }
 355
 356 int PlayTransport::pause_transport()
 357 {
 358         if(active_button) active_button->set_mode(PLAY_MODE);
 359         return 0;
 360 }
 361
 362
 363 int PlayTransport::reset_transport()
 364 {
 365         fast_reverse->set_mode(PLAY_MODE);
 366         reverse_play->set_mode(PLAY_MODE);
 367         forward_play->set_mode(PLAY_MODE);
 368         frame_reverse_play->set_mode(PLAY_MODE);
 369         frame_forward_play->set_mode(PLAY_MODE);
 370         fast_play->set_mode(PLAY_MODE);
 371         return 0;
 372 }
 373
 374 PTransportButton::PTransportButton(MWindow *mwindow, PlayTransport *transport, int x, int y, VFrame **data)
 375  : BC_Button(x, y, data)
 376 {
 377         this->mwindow = mwindow;
 378         this->transport = transport;
 379         mode = PLAY_MODE;
 380 }
 381 PTransportButton::~PTransportButton()
 382 {
 383 }
 384
 385 int PTransportButton::set_mode(int mode)
 386 {
 387         this->mode = mode;
 388         return 0;
 389 }
 390
 391
 392 RewindButton::RewindButton(MWindow *mwindow, PlayTransport *transport, int x, int y)
 393  : PTransportButton(mwindow, transport, x, y, mwindow->theme->get_image_set("rewind"))
 394 {
 395         set_tooltip(_("Rewind ( Home )"));
 396 }
 397 int RewindButton::handle_event()
 398 {
 399 //      unlock_window();
 400         transport->goto_start();
 401 //      lock_window();
 402         return 1;
 403 }
 404
 405 FastReverseButton::FastReverseButton(MWindow *mwindow, PlayTransport *transport, int x, int y)
 406  : PTransportButton(mwindow, transport, x, y, mwindow->theme->get_image_set("fastrev"))
 407 {
 408         set_tooltip(_("Fast reverse ( + )"));
 409 }
 410 int FastReverseButton::handle_event()
 411 {
 412         unlock_window();
 413         transport->handle_transport(FAST_REWIND, 0, ctrl_down());
 414         lock_window("FastReverseButton::handle_event");
 415         return 1;
 416 }
 417
 418 // Reverse playback normal speed
 419
 420 ReverseButton::ReverseButton(MWindow *mwindow, PlayTransport *transport, int x, int y)
 421  : PTransportButton(mwindow, transport, x, y, mwindow->theme->get_image_set("reverse"))
 422 {
 423         set_tooltip(_("Normal reverse ( 6 )"));
 424 }
 425 int ReverseButton::handle_event()
 426 {
 427         unlock_window();
 428         transport->handle_transport(NORMAL_REWIND, 0, ctrl_down());
 429         lock_window("ReverseButton::handle_event");
 430         return 1;
 431 }
 432
 433 // Reverse playback one frame
 434
 435 FrameReverseButton::FrameReverseButton(MWindow *mwindow, PlayTransport *transport, int x, int y)
 436  : PTransportButton(mwindow, transport, x, y, mwindow->theme->get_image_set("framerev"))
 437 {
 438         set_tooltip(_("Frame reverse ( 4 )"));
 439 }
 440 int FrameReverseButton::handle_event()
 441 {
 442         unlock_window();
 443         transport->handle_transport(SINGLE_FRAME_REWIND, 0, ctrl_down());
 444         lock_window("FrameReverseButton::handle_event");
 445         return 1;
 446 }
 447
 448 // forward playback normal speed
 449
 450 PlayButton::PlayButton(MWindow *mwindow, PlayTransport *transport, int x, int y)
 451  : PTransportButton(mwindow, transport, x, y, mwindow->theme->get_image_set("play"))
 452 {
 453         set_tooltip(_("Normal forward ( 3 )"));
 454 }
 455 int PlayButton::handle_event()
 456 {
 457         unlock_window();
 458         transport->handle_transport(NORMAL_FWD, 0, ctrl_down());
 459         lock_window("PlayButton::handle_event");
 460         return 1;
 461 }
 462
 463
 464
 465 // forward playback one frame
 466
 467 FramePlayButton::FramePlayButton(MWindow *mwindow, PlayTransport *transport, int x, int y)
 468  : PTransportButton(mwindow, transport, x, y, mwindow->theme->get_image_set("framefwd"))
 469 {
 470         set_tooltip(_("Frame forward ( 1 )"));
 471 }
 472 int FramePlayButton::handle_event()
 473 {
 474         unlock_window();
 475         transport->handle_transport(SINGLE_FRAME_FWD, 0, ctrl_down());
 476         lock_window("FramePlayButton::handle_event");
 477         return 1;
 478 }
 479
 480
 481
 482 FastPlayButton::FastPlayButton(MWindow *mwindow, PlayTransport *transport, int x, int y)
 483  : PTransportButton(mwindow, transport, x, y, mwindow->theme->get_image_set("fastfwd"))
 484 {
 485         set_tooltip(_("Fast forward ( Enter )"));
 486 }
 487 int FastPlayButton::handle_event()
 488 {
 489         unlock_window();
 490         transport->handle_transport(FAST_FWD, 0, ctrl_down());
 491         lock_window("FastPlayButton::handle_event");
 492         return 1;
 493 }
 494
 495 EndButton::EndButton(MWindow *mwindow, PlayTransport *transport, int x, int y)
 496  : PTransportButton(mwindow, transport, x, y, mwindow->theme->get_image_set("end"))
 497 {
 498         set_tooltip(_("Jump to end ( End )"));
 499 }
 500 int EndButton::handle_event()
 501 {
 502 //      unlock_window();
 503         transport->goto_end();
 504 //      lock_window();
 505         return 1;
 506 }
 507
 508 StopButton::StopButton(MWindow *mwindow, PlayTransport *transport, int x, int y)
 509  : PTransportButton(mwindow, transport, x, y, mwindow->theme->get_image_set("stop"))
 510 {
 511         set_tooltip(_("Stop ( 0 )"));
 512 }
 513 int StopButton::handle_event()
 514 {
 515         unlock_window();
 516         transport->handle_transport(STOP, 0, 0);
 517         lock_window("StopButton::handle_event");
 518         return 1;
 519 }