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::flip_vertical(int vertical, int &x, int &y)
 133 {
 134         if(vertical)
 135         {
 136                 rewind_button->reposition_window(x, y);
 137                 y += rewind_button->get_h();
 138                 fast_reverse->reposition_window(x, y);
 139                 y += fast_reverse->get_h();
 140                 reverse_play->reposition_window(x, y);
 141                 y += reverse_play->get_h();
 142                 frame_reverse_play->reposition_window(x, y);
 143                 y += frame_reverse_play->get_h();
 144                 stop_button->reposition_window(x, y);
 145                 y += stop_button->get_h();
 146                 frame_forward_play->reposition_window(x, y);
 147                 y += frame_forward_play->get_h();
 148                 forward_play->reposition_window(x, y);
 149                 y += forward_play->get_h();
 150                 fast_play->reposition_window(x, y);
 151                 y += fast_play->get_h();
 152                 end_button->reposition_window(x, y);
 153                 y += end_button->get_h();
 154         }
 155         else
 156         {
 157                 rewind_button->reposition_window(x, y - 2);
 158                 x += rewind_button->get_w();
 159                 fast_reverse->reposition_window(x, y - 2);
 160                 x += fast_reverse->get_w();
 161                 reverse_play->reposition_window(x, y - 2);
 162                 x += reverse_play->get_w();
 163                 frame_reverse_play->reposition_window(x, y - 2);
 164                 x += frame_reverse_play->get_w();
 165                 stop_button->reposition_window(x, y - 2);
 166                 x += stop_button->get_w();
 167                 frame_forward_play->reposition_window(x, y - 2);
 168                 x += frame_forward_play->get_w();
 169                 forward_play->reposition_window(x, y - 2);
 170                 x += forward_play->get_w();
 171                 fast_play->reposition_window(x, y - 2);
 172                 x += fast_play->get_w();
 173                 end_button->reposition_window(x, y - 2);
 174                 x += end_button->get_w();
 175         }
 176
 177         return 0;
 178 }
 179
 180 int PlayTransport::keypress_event()
 181 {
 182         int key = subwindow->get_keypress();
 183         return do_keypress(key);
 184 }
 185
 186 int PlayTransport::do_keypress(int key)
 187 {
 188         int result = 1;
 189 // unqualified keys, still holding lock
 190         switch( key ) {
 191         case HOME:
 192                 goto_start();
 193                 return result;
 194         case END:
 195                 goto_end();
 196                 return result;
 197         }
 198
 199         int toggle_audio = subwindow->shift_down() ? 1 : 0;
 200         int use_inout = subwindow->ctrl_down() ? 1 : 0;
 201         int alt_key = subwindow->alt_down() ? 1 : 0;
 202         int command = -1, prev_command = engine->command->command;
 203         using_inout = use_inout;
 204         subwindow->unlock_window();
 205
 206         result = 0;
 207         switch( key ) {
 208         case KPINS:     command = STOP;                 break;
 209         case KPPLUS:    command = FAST_REWIND;          break;
 210         case KP6:       command = NORMAL_REWIND;        break;
 211         case KP5:       command = SLOW_REWIND;          break;
 212         case KP4:       command = SINGLE_FRAME_REWIND;  break;
 213         case KP1:       command = SINGLE_FRAME_FWD;     break;
 214         case KP2:       command = SLOW_FWD;             break;
 215         case KP3:       command = NORMAL_FWD;           break;
 216         case KPENTER:   command = FAST_FWD;             break;
 217         case ' ':
 218                 switch( prev_command ) {
 219                 case COMMAND_NONE:
 220                 case CURRENT_FRAME:
 221                 case PAUSE:
 222                 case STOP:
 223                         command = NORMAL_FWD;
 224                         break;
 225                 default:
 226                         command = STOP;
 227                         break;
 228                 }
 229                 break;
 230         case 'u': case 'U':
 231                 if( alt_key ) command = SINGLE_FRAME_REWIND;
 232                 break;
 233         case 'i': case 'I':
 234                 if( alt_key ) command = SLOW_REWIND;
 235                 break;
 236         case 'o': case 'O':
 237                 if( alt_key ) command = NORMAL_REWIND;
 238                 break;
 239         case 'p': case 'P':
 240                 if( alt_key ) command = FAST_REWIND;
 241                 break;
 242         case 'j': case 'J':
 243                 if( alt_key ) command = SINGLE_FRAME_FWD;
 244                 break;
 245         case 'k': case 'K':
 246                 if( alt_key ) command = SLOW_FWD;
 247                 break;
 248         case 'l': case 'L':
 249                 if( alt_key ) command = NORMAL_FWD;
 250                 break;
 251         case ':': case ';':
 252                 if( alt_key ) command = FAST_FWD;
 253                 break;
 254         case 'm': case 'M':
 255                 if( alt_key ) command = STOP;
 256                 break;
 257         }
 258         if( command >= 0 ) {
 259                 handle_transport(command, 0, use_inout, 1, toggle_audio);
 260                 result = 1;
 261         }
 262
 263         subwindow->lock_window("PlayTransport::keypress_event 5");
 264         return result;
 265 }
 266
 267
 268 void PlayTransport::goto_start()
 269 {
 270         handle_transport(REWIND, 1, 0);
 271 }
 272
 273 void PlayTransport::goto_end()
 274 {
 275         handle_transport(GOTO_END, 1, 0);
 276 }
 277
 278
 279
 280 void PlayTransport::handle_transport(int command,
 281         int wait_tracking, int use_inout, int update_refresh, int toggle_audio)
 282 {
 283         EDL *edl = get_edl();
 284         if( !edl ) return;
 285         if( !is_vwindow() )
 286                 mwindow->queue_mixers(edl, command, wait_tracking, use_inout, update_refresh, toggle_audio);
 287         engine->issue_command(edl, command, wait_tracking, use_inout, update_refresh, toggle_audio);
 288 }
 289
 290 EDL* PlayTransport::get_edl()
 291 {
 292         return mwindow->edl;
 293 }
 294
 295 int PlayTransport::pause_transport()
 296 {
 297         if(active_button) active_button->set_mode(PLAY_MODE);
 298         return 0;
 299 }
 300
 301
 302 int PlayTransport::reset_transport()
 303 {
 304         fast_reverse->set_mode(PLAY_MODE);
 305         reverse_play->set_mode(PLAY_MODE);
 306         forward_play->set_mode(PLAY_MODE);
 307         frame_reverse_play->set_mode(PLAY_MODE);
 308         frame_forward_play->set_mode(PLAY_MODE);
 309         fast_play->set_mode(PLAY_MODE);
 310         return 0;
 311 }
 312
 313 PTransportButton::PTransportButton(MWindow *mwindow, PlayTransport *transport, int x, int y, VFrame **data)
 314  : BC_Button(x, y, data)
 315 {
 316         this->mwindow = mwindow;
 317         this->transport = transport;
 318         mode = PLAY_MODE;
 319 }
 320 PTransportButton::~PTransportButton()
 321 {
 322 }
 323
 324 int PTransportButton::set_mode(int mode)
 325 {
 326         this->mode = mode;
 327         return 0;
 328 }
 329
 330
 331 RewindButton::RewindButton(MWindow *mwindow, PlayTransport *transport, int x, int y)
 332  : PTransportButton(mwindow, transport, x, y, mwindow->theme->get_image_set("rewind"))
 333 {
 334         set_tooltip(_("Rewind ( Home )"));
 335 }
 336 int RewindButton::handle_event()
 337 {
 338 //      unlock_window();
 339         transport->goto_start();
 340 //      lock_window();
 341         return 1;
 342 }
 343
 344 FastReverseButton::FastReverseButton(MWindow *mwindow, PlayTransport *transport, int x, int y)
 345  : PTransportButton(mwindow, transport, x, y, mwindow->theme->get_image_set("fastrev"))
 346 {
 347         set_tooltip(_("Fast reverse ( + )"));
 348 }
 349 int FastReverseButton::handle_event()
 350 {
 351         unlock_window();
 352         transport->handle_transport(FAST_REWIND, 0, ctrl_down());
 353         lock_window("FastReverseButton::handle_event");
 354         return 1;
 355 }
 356
 357 // Reverse playback normal speed
 358
 359 ReverseButton::ReverseButton(MWindow *mwindow, PlayTransport *transport, int x, int y)
 360  : PTransportButton(mwindow, transport, x, y, mwindow->theme->get_image_set("reverse"))
 361 {
 362         set_tooltip(_("Normal reverse ( 6 )"));
 363 }
 364 int ReverseButton::handle_event()
 365 {
 366         unlock_window();
 367         transport->handle_transport(NORMAL_REWIND, 0, ctrl_down());
 368         lock_window("ReverseButton::handle_event");
 369         return 1;
 370 }
 371
 372 // Reverse playback one frame
 373
 374 FrameReverseButton::FrameReverseButton(MWindow *mwindow, PlayTransport *transport, int x, int y)
 375  : PTransportButton(mwindow, transport, x, y, mwindow->theme->get_image_set("framerev"))
 376 {
 377         set_tooltip(_("Frame reverse ( 4 )"));
 378 }
 379 int FrameReverseButton::handle_event()
 380 {
 381         unlock_window();
 382         transport->handle_transport(SINGLE_FRAME_REWIND, 0, ctrl_down());
 383         lock_window("FrameReverseButton::handle_event");
 384         return 1;
 385 }
 386
 387 // forward playback normal speed
 388
 389 PlayButton::PlayButton(MWindow *mwindow, PlayTransport *transport, int x, int y)
 390  : PTransportButton(mwindow, transport, x, y, mwindow->theme->get_image_set("play"))
 391 {
 392         set_tooltip(_("Normal forward ( 3 )"));
 393 }
 394 int PlayButton::handle_event()
 395 {
 396         unlock_window();
 397         transport->handle_transport(NORMAL_FWD, 0, ctrl_down());
 398         lock_window("PlayButton::handle_event");
 399         return 1;
 400 }
 401
 402
 403
 404 // forward playback one frame
 405
 406 FramePlayButton::FramePlayButton(MWindow *mwindow, PlayTransport *transport, int x, int y)
 407  : PTransportButton(mwindow, transport, x, y, mwindow->theme->get_image_set("framefwd"))
 408 {
 409         set_tooltip(_("Frame forward ( 1 )"));
 410 }
 411 int FramePlayButton::handle_event()
 412 {
 413         unlock_window();
 414         transport->handle_transport(SINGLE_FRAME_FWD, 0, ctrl_down());
 415         lock_window("FramePlayButton::handle_event");
 416         return 1;
 417 }
 418
 419
 420
 421 FastPlayButton::FastPlayButton(MWindow *mwindow, PlayTransport *transport, int x, int y)
 422  : PTransportButton(mwindow, transport, x, y, mwindow->theme->get_image_set("fastfwd"))
 423 {
 424         set_tooltip(_("Fast forward ( Enter )"));
 425 }
 426 int FastPlayButton::handle_event()
 427 {
 428         unlock_window();
 429         transport->handle_transport(FAST_FWD, 0, ctrl_down());
 430         lock_window("FastPlayButton::handle_event");
 431         return 1;
 432 }
 433
 434 EndButton::EndButton(MWindow *mwindow, PlayTransport *transport, int x, int y)
 435  : PTransportButton(mwindow, transport, x, y, mwindow->theme->get_image_set("end"))
 436 {
 437         set_tooltip(_("Jump to end ( End )"));
 438 }
 439 int EndButton::handle_event()
 440 {
 441 //      unlock_window();
 442         transport->goto_end();
 443 //      lock_window();
 444         return 1;
 445 }
 446
 447 StopButton::StopButton(MWindow *mwindow, PlayTransport *transport, int x, int y)
 448  : PTransportButton(mwindow, transport, x, y, mwindow->theme->get_image_set("stop"))
 449 {
 450         set_tooltip(_("Stop ( 0 )"));
 451 }
 452 int StopButton::handle_event()
 453 {
 454         unlock_window();
 455         transport->handle_transport(STOP, 0, 0);
 456         lock_window("StopButton::handle_event");
 457         return 1;
 458 }
 459
 460
 461
 462 void PlayTransport::change_position(double position)
 463 {
 464         if( !get_edl() ) return;
 465         int prev_command = engine->command->command;
 466 // stop transport
 467         if( prev_command != STOP && prev_command != COMMAND_NONE &&
 468             prev_command != SINGLE_FRAME_FWD && prev_command != SINGLE_FRAME_REWIND ) {
 469                 engine->que->send_command(STOP, CHANGE_NONE, 0, 0);
 470                 engine->interrupt_playback(0);
 471         }
 472         mwindow->gui->lock_window("PlayTransport::change_position");
 473         mwindow->goto_position(position);
 474         mwindow->gui->unlock_window();
 475 // restart command
 476         switch(prev_command) {
 477         case FAST_REWIND:
 478         case NORMAL_REWIND:
 479         case SLOW_REWIND:
 480         case SLOW_FWD:
 481         case NORMAL_FWD:
 482         case FAST_FWD:
 483                 engine->que->send_command(prev_command, CHANGE_NONE,
 484                                 get_edl(), 1, 1, using_inout, 0);
 485         }
 486 }
 487