cinelerra-5.1/cinelerra/playtransport.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 "edl.h"
  23 #include "keys.h"
  24 #include "language.h"
  25 #include "localsession.h"
  26 #include "mwindow.h"
  27 #include "mwindowgui.h"
  28 #include "playbackengine.h"
  29 #include "playtransport.h"
  30 #include "preferences.h"
  31 #include "theme.h"
  32 #include "transportque.h"
  33 #include "vframe.h"
  34
  35
  36
  37 PlayTransport::PlayTransport(MWindow *mwindow,
  38         BC_WindowBase *subwindow,
  39         int x,
  40         int y)
  41 {
  42         this->subwindow = subwindow;
  43         this->mwindow = mwindow;
  44         this->x = x;
  45         this->y = y;
  46         this->engine = 0;
  47         this->status = 0;
  48         this->using_inout = 0;
  49 }
  50
  51
  52 PlayTransport::~PlayTransport()
  53 {
  54         delete forward_play;
  55         delete frame_forward_play;
  56         delete reverse_play;
  57         delete frame_reverse_play;
  58         delete fast_reverse;
  59         delete fast_play;
  60         delete rewind_button;
  61         delete stop_button;
  62         delete end_button;
  63 }
  64
  65 void PlayTransport::set_engine(PlaybackEngine *engine)
  66 {
  67         this->engine = engine;
  68 }
  69
  70 int PlayTransport::get_transport_width(MWindow *mwindow)
  71 {
  72         return mwindow->theme->get_image_set("stop")[0]->get_w() * 7 +
  73                 mwindow->theme->get_image_set("rewind")[0]->get_w() * 2;
  74 }
  75
  76 void PlayTransport::create_objects()
  77 {
  78         int x = this->x, y = this->y;
  79         subwindow->add_subwindow(rewind_button = new RewindButton(mwindow, this, x, y));
  80         x += rewind_button->get_w();
  81         subwindow->add_subwindow(fast_reverse = new FastReverseButton(mwindow, this, x, y));
  82         x += fast_reverse->get_w();
  83         subwindow->add_subwindow(reverse_play = new ReverseButton(mwindow, this, x, y));
  84         x += reverse_play->get_w();
  85         subwindow->add_subwindow(frame_reverse_play = new FrameReverseButton(mwindow, this, x, y));
  86         x += frame_reverse_play->get_w();
  87         subwindow->add_subwindow(stop_button = new StopButton(mwindow, this, x, y));
  88         x += stop_button->get_w();
  89         subwindow->add_subwindow(frame_forward_play = new FramePlayButton(mwindow, this, x, y));
  90         x += frame_forward_play->get_w();
  91         subwindow->add_subwindow(forward_play = new PlayButton(mwindow, this, x, y));
  92         x += forward_play->get_w();
  93         subwindow->add_subwindow(fast_play = new FastPlayButton(mwindow, this, x, y));
  94         x += fast_play->get_w();
  95         subwindow->add_subwindow(end_button = new EndButton(mwindow, this, x, y));
  96         x += end_button->get_w();
  97
  98         reverse = 0;
  99         speed = 0;
 100
 101 }
 102
 103 void PlayTransport::reposition_buttons(int x, int y)
 104 {
 105         this->x = x;
 106         this->y = y;
 107         rewind_button->reposition_window(x, y);
 108         x += rewind_button->get_w();
 109         fast_reverse->reposition_window(x, y);
 110         x += fast_reverse->get_w();
 111         reverse_play->reposition_window(x, y);
 112         x += reverse_play->get_w();
 113         frame_reverse_play->reposition_window(x, y);
 114         x += frame_reverse_play->get_w();
 115         stop_button->reposition_window(x, y);
 116         x += stop_button->get_w();
 117         frame_forward_play->reposition_window(x, y);
 118         x += frame_forward_play->get_w();
 119         forward_play->reposition_window(x, y);
 120         x += forward_play->get_w();
 121         fast_play->reposition_window(x, y);
 122         x += fast_play->get_w();
 123         end_button->reposition_window(x, y);
 124         x += end_button->get_w();
 125 }
 126
 127 int PlayTransport::get_w()
 128 {
 129         return end_button->get_x() + end_button->get_w() - rewind_button->get_x();
 130 }
 131
 132 int PlayTransport::is_stopped()
 133 {
 134         return engine->command->command == STOP ? 1 : 0;
 135 }
 136
 137 int PlayTransport::flip_vertical(int vertical, int &x, int &y)
 138 {
 139         if(vertical)
 140         {
 141                 rewind_button->reposition_window(x, y);
 142                 y += rewind_button->get_h();
 143                 fast_reverse->reposition_window(x, y);
 144                 y += fast_reverse->get_h();
 145                 reverse_play->reposition_window(x, y);
 146                 y += reverse_play->get_h();
 147                 frame_reverse_play->reposition_window(x, y);
 148                 y += frame_reverse_play->get_h();
 149                 stop_button->reposition_window(x, y);
 150                 y += stop_button->get_h();
 151                 frame_forward_play->reposition_window(x, y);
 152                 y += frame_forward_play->get_h();
 153                 forward_play->reposition_window(x, y);
 154                 y += forward_play->get_h();
 155                 fast_play->reposition_window(x, y);
 156                 y += fast_play->get_h();
 157                 end_button->reposition_window(x, y);
 158                 y += end_button->get_h();
 159         }
 160         else
 161         {
 162                 rewind_button->reposition_window(x, y - 2);
 163                 x += rewind_button->get_w();
 164                 fast_reverse->reposition_window(x, y - 2);
 165                 x += fast_reverse->get_w();
 166                 reverse_play->reposition_window(x, y - 2);
 167                 x += reverse_play->get_w();
 168                 frame_reverse_play->reposition_window(x, y - 2);
 169                 x += frame_reverse_play->get_w();
 170                 stop_button->reposition_window(x, y - 2);
 171                 x += stop_button->get_w();
 172                 frame_forward_play->reposition_window(x, y - 2);
 173                 x += frame_forward_play->get_w();
 174                 forward_play->reposition_window(x, y - 2);
 175                 x += forward_play->get_w();
 176                 fast_play->reposition_window(x, y - 2);
 177                 x += fast_play->get_w();
 178                 end_button->reposition_window(x, y - 2);
 179                 x += end_button->get_w();
 180         }
 181
 182         return 0;
 183 }
 184
 185 int PlayTransport::keypress_event()
 186 {
 187         int key = subwindow->get_keypress();
 188         return do_keypress(key);
 189 }
 190
 191 int PlayTransport::do_keypress(int key)
 192 {
 193         int result = 1;
 194 // unqualified keys, still holding lock
 195         switch( key ) {
 196         case HOME:
 197                 goto_start();
 198                 return result;
 199         case END:
 200                 goto_end();
 201                 return result;
 202         }
 203 // as in play_command
 204         int ctrl_key = subwindow->ctrl_down() ? 1 : 0;
 205         int shft_key = subwindow->shift_down() ? 1 : 0;
 206         int alt_key = subwindow->alt_down() ? 1 : 0;
 207         int use_inout = ctrl_key;
 208         int toggle_audio = shft_key & ~ctrl_key;
 209         int loop_play = shft_key & ctrl_key;
 210         int command = -1, prev_command = engine->command->command;
 211         using_inout = use_inout;
 212         subwindow->unlock_window();
 213
 214         result = 0;
 215         switch( key ) {
 216         case KPINS:     command = STOP;                 break;
 217         case KPPLUS:    command = FAST_REWIND;          break;
 218         case KP6:       command = NORMAL_REWIND;        break;
 219         case KP5:       command = SLOW_REWIND;          break;
 220         case KP4:       command = SINGLE_FRAME_REWIND;  break;
 221         case KP1:       command = SINGLE_FRAME_FWD;     break;
 222         case KP2:       command = SLOW_FWD;             break;
 223         case KP3:       command = NORMAL_FWD;           break;
 224         case KPENTER:   command = FAST_FWD;             break;
 225         case ' ':
 226                 switch( prev_command ) {
 227                 case COMMAND_NONE:
 228                 case CURRENT_FRAME:
 229                 case LAST_FRAME:
 230                 case PAUSE:
 231                 case STOP:
 232                         command = NORMAL_FWD;
 233                         break;
 234                 default:
 235                         command = STOP;
 236                         break;
 237                 }
 238                 break;
 239         case 'u': case 'U':
 240                 if( alt_key ) command = SINGLE_FRAME_REWIND;
 241                 break;
 242         case 'i': case 'I':
 243                 if( alt_key ) command = SLOW_REWIND;
 244                 break;
 245         case 'o': case 'O':
 246                 if( alt_key ) command = NORMAL_REWIND;
 247                 break;
 248         case 'p': case 'P':
 249                 if( alt_key ) command = FAST_REWIND;
 250                 break;
 251         case 'j': case 'J':
 252                 if( alt_key ) command = SINGLE_FRAME_FWD;
 253                 break;
 254         case 'k': case 'K':
 255                 if( alt_key ) command = SLOW_FWD;
 256                 break;
 257         case 'l': case 'L':
 258                 if( alt_key ) command = NORMAL_FWD;
 259                 break;
 260         case ':': case ';':
 261                 if( alt_key ) command = FAST_FWD;
 262                 break;
 263         case 'm': case 'M':
 264                 if( alt_key ) command = STOP;
 265                 break;
 266         }
 267         if( command >= 0 ) {
 268                 handle_transport(command, 0, use_inout, 1, toggle_audio, loop_play);
 269                 result = 1;
 270         }
 271
 272         subwindow->lock_window("PlayTransport::keypress_event 5");
 273         return result;
 274 }
 275
 276
 277 void PlayTransport::goto_start()
 278 {
 279         handle_transport(REWIND, 1, 0);
 280 }
 281
 282 void PlayTransport::goto_end()
 283 {
 284         handle_transport(GOTO_END, 1, 0);
 285 }
 286
 287
 288
 289 void PlayTransport::handle_transport(int command, int wait_tracking, int use_inout,
 290                 int update_refresh, int toggle_audio, int loop_play)
 291 {
 292         EDL *edl = get_edl();
 293         if( !edl ) return;
 294         if( !is_vwindow() )
 295                 mwindow->queue_mixers(edl, command, wait_tracking, use_inout, update_refresh, toggle_audio, 0);
 296         engine->issue_command(edl, command, wait_tracking, use_inout, update_refresh, toggle_audio, loop_play);
 297 }
 298
 299 EDL* PlayTransport::get_edl()
 300 {
 301         return mwindow->edl;
 302 }
 303
 304 int PlayTransport::pause_transport()
 305 {
 306         if(active_button) active_button->set_mode(PLAY_MODE);
 307         return 0;
 308 }
 309
 310
 311 int PlayTransport::reset_transport()
 312 {
 313         fast_reverse->set_mode(PLAY_MODE);
 314         reverse_play->set_mode(PLAY_MODE);
 315         forward_play->set_mode(PLAY_MODE);
 316         frame_reverse_play->set_mode(PLAY_MODE);
 317         frame_forward_play->set_mode(PLAY_MODE);
 318         fast_play->set_mode(PLAY_MODE);
 319         return 0;
 320 }
 321
 322 PTransportButton::PTransportButton(MWindow *mwindow, PlayTransport *transport, int x, int y, VFrame **data)
 323  : BC_Button(x, y, data)
 324 {
 325         this->mwindow = mwindow;
 326         this->transport = transport;
 327         mode = PLAY_MODE;
 328 }
 329 PTransportButton::~PTransportButton()
 330 {
 331 }
 332
 333 int PTransportButton::set_mode(int mode)
 334 {
 335         this->mode = mode;
 336         return 0;
 337 }
 338
 339 int PTransportButton::play_command(const char *lock_msg, int command)
 340 {
 341         int ctrl_key = transport->subwindow->ctrl_down() ? 1 : 0;
 342         int shft_key = transport->subwindow->shift_down() ? 1 : 0;
 343         int use_inout = ctrl_key;
 344         int toggle_audio = shft_key & ~ctrl_key;
 345         int loop_play = shft_key & ctrl_key;
 346         unlock_window();
 347         transport->handle_transport(command, 0, use_inout, 0, toggle_audio, loop_play);
 348         lock_window(lock_msg);
 349         return 1;
 350 }
 351
 352
 353 RewindButton::RewindButton(MWindow *mwindow, PlayTransport *transport, int x, int y)
 354  : PTransportButton(mwindow, transport, x, y, mwindow->theme->get_image_set("rewind"))
 355 {
 356         set_tooltip(_("Rewind ( Home )"));
 357 }
 358 int RewindButton::handle_event()
 359 {
 360 //      unlock_window();
 361         transport->goto_start();
 362 //      lock_window();
 363         return 1;
 364 }
 365
 366 FastReverseButton::FastReverseButton(MWindow *mwindow, PlayTransport *transport, int x, int y)
 367  : PTransportButton(mwindow, transport, x, y, mwindow->theme->get_image_set("fastrev"))
 368 {
 369         set_tooltip(_("Fast reverse ( + or Alt-p )"));
 370 }
 371 int FastReverseButton::handle_event()
 372 {
 373         return play_command("FastReverseButton::handle_event", FAST_REWIND);
 374 }
 375
 376 // Reverse playback normal speed
 377
 378 ReverseButton::ReverseButton(MWindow *mwindow, PlayTransport *transport, int x, int y)
 379  : PTransportButton(mwindow, transport, x, y, mwindow->theme->get_image_set("reverse"))
 380 {
 381         set_tooltip(_("Normal reverse ( 6 or Alt-o )"));
 382 }
 383 int ReverseButton::handle_event()
 384 {
 385         return play_command("ReverseButton::handle_event", NORMAL_REWIND);
 386 }
 387
 388 // Reverse playback one frame
 389
 390 FrameReverseButton::FrameReverseButton(MWindow *mwindow, PlayTransport *transport, int x, int y)
 391  : PTransportButton(mwindow, transport, x, y, mwindow->theme->get_image_set("framerev"))
 392 {
 393         set_tooltip(_("Frame reverse ( 4 or Alt-u )"));
 394 }
 395 int FrameReverseButton::handle_event()
 396 {
 397         unlock_window();
 398         transport->handle_transport(SINGLE_FRAME_REWIND, 0, ctrl_down());
 399         lock_window("FrameReverseButton::handle_event");
 400         return 1;
 401 }
 402
 403 // forward playback normal speed
 404
 405 PlayButton::PlayButton(MWindow *mwindow, PlayTransport *transport, int x, int y)
 406  : PTransportButton(mwindow, transport, x, y, mwindow->theme->get_image_set("play"))
 407 {
 408         set_tooltip(_("Normal forward ( 3 or Alt-l )"));
 409 }
 410 int PlayButton::handle_event()
 411 {
 412         return play_command("PlayButton::handle_event", NORMAL_FWD);
 413 }
 414
 415
 416
 417 // forward playback one frame
 418
 419 FramePlayButton::FramePlayButton(MWindow *mwindow, PlayTransport *transport, int x, int y)
 420  : PTransportButton(mwindow, transport, x, y, mwindow->theme->get_image_set("framefwd"))
 421 {
 422         set_tooltip(_("Frame forward ( 1 or Alt-j )"));
 423 }
 424 int FramePlayButton::handle_event()
 425 {
 426         unlock_window();
 427         transport->handle_transport(SINGLE_FRAME_FWD, 0, ctrl_down());
 428         lock_window("FramePlayButton::handle_event");
 429         return 1;
 430 }
 431
 432
 433
 434 FastPlayButton::FastPlayButton(MWindow *mwindow, PlayTransport *transport, int x, int y)
 435  : PTransportButton(mwindow, transport, x, y, mwindow->theme->get_image_set("fastfwd"))
 436 {
 437         set_tooltip(_("Fast forward ( Enter or Alt-; )"));
 438 }
 439 int FastPlayButton::handle_event()
 440 {
 441         return play_command("FastPlayButton::handle_event", FAST_FWD);
 442 }
 443
 444 EndButton::EndButton(MWindow *mwindow, PlayTransport *transport, int x, int y)
 445  : PTransportButton(mwindow, transport, x, y, mwindow->theme->get_image_set("end"))
 446 {
 447         set_tooltip(_("Jump to end ( End )"));
 448 }
 449 int EndButton::handle_event()
 450 {
 451 //      unlock_window();
 452         transport->goto_end();
 453 //      lock_window();
 454         return 1;
 455 }
 456
 457 StopButton::StopButton(MWindow *mwindow, PlayTransport *transport, int x, int y)
 458  : PTransportButton(mwindow, transport, x, y, mwindow->theme->get_image_set("stop"))
 459 {
 460         set_tooltip(_("Stop ( 0 or Alt-m )"));
 461 }
 462 int StopButton::handle_event()
 463 {
 464         unlock_window();
 465         transport->handle_transport(STOP, 0, 0);
 466         lock_window("StopButton::handle_event");
 467         return 1;
 468 }
 469
 470
 471
 472 void PlayTransport::change_position(double position)
 473 {
 474         if( !get_edl() ) return;
 475         int prev_command = engine->command->command;
 476 // stop transport
 477         if( prev_command != STOP && prev_command != COMMAND_NONE &&
 478             prev_command != SINGLE_FRAME_FWD && prev_command != SINGLE_FRAME_REWIND ) {
 479                 engine->que->send_command(STOP, CHANGE_NONE, 0, 0);
 480                 engine->interrupt_playback(0);
 481         }
 482         mwindow->gui->lock_window("PlayTransport::change_position");
 483         mwindow->goto_position(position);
 484         mwindow->gui->unlock_window();
 485 // restart command
 486         switch(prev_command) {
 487         case FAST_REWIND:
 488         case NORMAL_REWIND:
 489         case SLOW_REWIND:
 490         case SLOW_FWD:
 491         case NORMAL_FWD:
 492         case FAST_FWD:
 493                 engine->que->send_command(prev_command, CHANGE_NONE,
 494                                 get_edl(), 1, 1, using_inout, 0);
 495         }
 496 }
 497