cinelerra-5.1/cinelerra/setformat.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 "clip.h"
  23 #include "cwindow.h"
  24 #include "cwindowgui.h"
  25 #include "datatype.h"
  26 #include "bchash.h"
  27 #include "edl.h"
  28 #include "edlsession.h"
  29 #include "formatpresets.h"
  30 #include "language.h"
  31 #include "levelwindow.h"
  32 #include "levelwindowgui.h"
  33 #include "mainerror.h"
  34 #include "mainundo.h"
  35 #include "mutex.h"
  36 #include "mwindow.h"
  37 #include "mwindowgui.h"
  38 #include "new.h"
  39 #include "preferences.h"
  40 #include "rotateframe.h"
  41 #include "setformat.h"
  42 #include "theme.h"
  43 #include "vframe.h"
  44 #include "vwindow.h"
  45 #include "vwindowgui.h"
  46
  47
  48
  49 SetFormat::SetFormat(MWindow *mwindow)
  50  : BC_MenuItem(_("Format..."), _("Shift-F"), 'F')
  51 {
  52         set_shift(1);
  53         this->mwindow = mwindow;
  54         thread = new SetFormatThread(mwindow);
  55 }
  56
  57 SetFormat::~SetFormat()
  58 {
  59         delete thread;
  60 }
  61
  62 int SetFormat::handle_event()
  63 {
  64         if(!thread->running())
  65         {
  66                 thread->start();
  67         }
  68         else
  69         {
  70 // window_lock has to be locked but window can't be locked until after
  71 // it is known to exist, so we neglect window_lock for now
  72                 if(thread->window)
  73                 {
  74                         thread->window_lock->lock("SetFormat::handle_event");
  75                         thread->window->lock_window("SetFormat::handle_event");
  76                         thread->window->raise_window();
  77                         thread->window->unlock_window();
  78                         thread->window_lock->unlock();
  79                 }
  80         }
  81         return 1;
  82 }
  83
  84 SetFormatThread::SetFormatThread(MWindow *mwindow)
  85  : Thread(1, 0, 0)
  86 {
  87         this->mwindow = mwindow;
  88         window_lock = new Mutex("SetFormatThread::window_lock");
  89         window = 0;
  90 }
  91
  92 SetFormatThread::~SetFormatThread()
  93 {
  94         if( running() ) {
  95                 window->set_done(1);
  96                 cancel();
  97         }
  98         join();
  99         delete window_lock;
 100 }
 101
 102 void SetFormatThread::run()
 103 {
 104         orig_dimension[0] = dimension[0] = mwindow->edl->session->output_w;
 105         orig_dimension[1] = dimension[1] = mwindow->edl->session->output_h;
 106         auto_aspect = mwindow->defaults->get("AUTOASPECT", 0);
 107         constrain_ratio = 0;
 108         ratio[0] = ratio[1] = 1;
 109
 110         new_settings = new EDL;
 111         new_settings->create_objects();
 112         new_settings->copy_session(mwindow->edl);
 113
 114 // This locks mwindow, so it must be done outside window_lock
 115         int x = mwindow->gui->get_abs_cursor_x(1) - mwindow->theme->setformat_w / 2;
 116         int y = mwindow->gui->get_abs_cursor_y(1) - mwindow->theme->setformat_h / 2;
 117
 118         window_lock->lock("SetFormatThread::run 1");
 119         window = new SetFormatWindow(mwindow, this, x, y);
 120         window->create_objects();
 121         window_lock->unlock();
 122
 123         int result = window->run_window();
 124
 125
 126         window_lock->lock("SetFormatThread::run 2");
 127         delete window;
 128         window = 0;
 129         window_lock->unlock();
 130
 131
 132         if(!result)
 133         {
 134                 apply_changes();
 135         }
 136
 137         mwindow->defaults->update("AUTOASPECT", auto_aspect);
 138         new_settings->Garbage::remove_user();
 139 }
 140
 141 void SetFormatThread::apply_changes()
 142 {
 143         double new_samplerate = new_settings->session->sample_rate;
 144         double old_samplerate = mwindow->edl->session->sample_rate;
 145         double new_framerate = new_settings->session->frame_rate;
 146         double old_framerate = mwindow->edl->session->frame_rate;
 147         int new_channels = new_settings->session->audio_channels;
 148         CLAMP(new_channels, 1, MAXCHANNELS);
 149
 150
 151
 152         mwindow->undo->update_undo_before();
 153
 154         memcpy(&mwindow->preferences->channel_positions[new_channels - 1],
 155                 new_settings->session->achannel_positions,
 156                 sizeof(mwindow->preferences->channel_positions[new_channels - 1]));
 157
 158
 159         mwindow->edl->copy_session(new_settings, 1);
 160         mwindow->edl->session->output_w = dimension[0];
 161         mwindow->edl->session->output_h = dimension[1];
 162         mwindow->edl->retrack();
 163         mwindow->edl->rechannel();
 164         mwindow->edl->resample(old_samplerate, new_samplerate, TRACK_AUDIO);
 165         mwindow->edl->resample(old_framerate, new_framerate, TRACK_VIDEO);
 166         mwindow->save_backup();
 167         mwindow->undo->update_undo_after(_("set format"), LOAD_ALL);
 168
 169         mwindow->resync_guis();
 170 }
 171
 172 void SetFormatThread::update()
 173 {
 174         window->sample_rate->update(new_settings->session->sample_rate);
 175         window->channels->update((int64_t)new_settings->session->audio_channels);
 176         window->frame_rate->update((float)new_settings->session->frame_rate);
 177
 178         auto_aspect = 0;
 179         window->auto_aspect->update(0);
 180
 181         constrain_ratio = 0;
 182         dimension[0] = new_settings->session->output_w;
 183         window->dimension[0]->update((int64_t)dimension[0]);
 184         dimension[1] = new_settings->session->output_h;
 185         window->dimension[1]->update((int64_t)dimension[1]);
 186
 187         ratio[0] = (float)dimension[0] / orig_dimension[0];
 188         window->ratio[0]->update(ratio[0]);
 189         ratio[1] = (float)dimension[1] / orig_dimension[1];
 190         window->ratio[1]->update(ratio[1]);
 191
 192         window->aspect_w->update(new_settings->session->aspect_w);
 193         window->aspect_h->update(new_settings->session->aspect_h);
 194         window->interlace_pulldown->update(new_settings->session->interlace_mode);
 195         window->color_model->update_value(new_settings->session->color_model);
 196
 197         window->canvas->draw();
 198 }
 199
 200 void SetFormatThread::update_window()
 201 {
 202         int i, result, modified_item = 0, dimension_modified = 0, ratio_modified = 0;
 203
 204         for(i = 0, result = 0; i < 2 && !result; i++)
 205         {
 206                 if(dimension[i] < 0)
 207                 {
 208                         dimension[i] *= -1;
 209                         result = 1;
 210                         modified_item = i;
 211                         dimension_modified = 1;
 212                 }
 213                 if(ratio[i] < 0)
 214                 {
 215                         ratio[i] *= -1;
 216                         result = 1;
 217                         modified_item = i;
 218                         ratio_modified = 1;
 219                 }
 220         }
 221
 222         if(result)
 223         {
 224                 if(dimension_modified)
 225                         ratio[modified_item] = (float)dimension[modified_item] / orig_dimension[modified_item];
 226
 227                 if(ratio_modified && !constrain_ratio)
 228                 {
 229                         dimension[modified_item] = (int)(orig_dimension[modified_item] * ratio[modified_item]);
 230                         window->dimension[modified_item]->update((int64_t)dimension[modified_item]);
 231                 }
 232
 233                 for(i = 0; i < 2; i++)
 234                 {
 235                         if(dimension_modified ||
 236                                 (i != modified_item && ratio_modified))
 237                         {
 238                                 if(constrain_ratio) ratio[i] = ratio[modified_item];
 239                                 window->ratio[i]->update(ratio[i]);
 240                         }
 241
 242                         if(ratio_modified ||
 243                                 (i != modified_item && dimension_modified))
 244                         {
 245                                 if(constrain_ratio)
 246                                 {
 247                                         dimension[i] = (int)(orig_dimension[i] * ratio[modified_item]);
 248                                         window->dimension[i]->update((int64_t)dimension[i]);
 249                                 }
 250                         }
 251                 }
 252         }
 253
 254         update_aspect();
 255 }
 256
 257 void SetFormatThread::update_aspect()
 258 {
 259         if(auto_aspect)
 260         {
 261                 char string[BCTEXTLEN];
 262                 MWindow::create_aspect_ratio(new_settings->session->aspect_w,
 263                         new_settings->session->aspect_h,
 264                         dimension[0],
 265                         dimension[1]);
 266                 sprintf(string, "%.02f", new_settings->session->aspect_w);
 267                 window->aspect_w->update(string);
 268                 sprintf(string, "%.02f", new_settings->session->aspect_h);
 269                 window->aspect_h->update(string);
 270         }
 271 }
 272
 273
 274
 275
 276
 277
 278
 279
 280
 281 SetFormatWindow::SetFormatWindow(MWindow *mwindow,
 282         SetFormatThread *thread,
 283         int x,
 284         int y)
 285  : BC_Window(_(PROGRAM_NAME ": Set Format"),
 286         x,
 287         y,
 288         mwindow->theme->setformat_w,
 289         mwindow->theme->setformat_h,
 290         -1,
 291         -1,
 292         0,
 293         0,
 294         1)
 295 {
 296         this->mwindow = mwindow;
 297         this->thread = thread;
 298 }
 299
 300 void SetFormatWindow::create_objects()
 301 {
 302         int x = 10, y = mwindow->theme->setformat_y1;
 303         BC_TextBox *textbox;
 304         BC_Title *title;
 305
 306         lock_window("SetFormatWindow::create_objects");
 307         mwindow->theme->draw_setformat_bg(this);
 308
 309
 310
 311         presets = new SetFormatPresets(mwindow, this, x, y);
 312         presets->create_objects();
 313         x = presets->x; //  y = presets->y;
 314         y = mwindow->theme->setformat_y2;
 315
 316         add_subwindow(new BC_Title(mwindow->theme->setformat_x1, y,
 317                 _("Audio"), LARGEFONT));
 318         y = mwindow->theme->setformat_y3;
 319
 320         add_subwindow(new BC_Title(mwindow->theme->setformat_x1, y,
 321                 _("Samplerate:")));
 322         add_subwindow(sample_rate = new SetSampleRateTextBox(thread,
 323                 mwindow->theme->setformat_x2,
 324                 y));
 325         add_subwindow(new SampleRatePulldown(mwindow, sample_rate,
 326                 mwindow->theme->setformat_x2 + sample_rate->get_w(), y));
 327
 328         y += mwindow->theme->setformat_margin;
 329         add_subwindow(new BC_Title(mwindow->theme->setformat_x1, y,
 330                 _("Channels:")));
 331         add_subwindow(channels = new SetChannelsTextBox(thread,
 332                 mwindow->theme->setformat_x2, y));
 333         add_subwindow(new BC_ITumbler(channels, 1, MAXCHANNELS,
 334                 mwindow->theme->setformat_x2 + channels->get_w(), y));
 335
 336         y += mwindow->theme->setformat_margin;
 337         add_subwindow(new BC_Title(mwindow->theme->setformat_x1, y,
 338                 _("Channel positions:")));
 339         y += mwindow->theme->setformat_margin;
 340         add_subwindow(new SetChannelsReset(thread,
 341                 mwindow->theme->setformat_x1, y,
 342                 _("Reset")));
 343         add_subwindow(canvas = new SetChannelsCanvas(mwindow,
 344                 thread,
 345                 mwindow->theme->setformat_channels_x,
 346                 mwindow->theme->setformat_channels_y,
 347                 mwindow->theme->setformat_channels_w,
 348                 mwindow->theme->setformat_channels_h));
 349         canvas->draw();
 350
 351
 352
 353         y = mwindow->theme->setformat_y2;
 354         add_subwindow(new BC_Title(mwindow->theme->setformat_x3,
 355                 y,
 356                 _("Video"),
 357                 LARGEFONT));
 358
 359         y = mwindow->theme->setformat_y3;
 360         add_subwindow(new BC_Title(mwindow->theme->setformat_x3,
 361                 y,
 362                 _("Frame rate:")));
 363         add_subwindow(frame_rate = new SetFrameRateTextBox(thread,
 364                 mwindow->theme->setformat_x4,
 365                 y));
 366         add_subwindow(new FrameRatePulldown(mwindow,
 367                 frame_rate,
 368                 mwindow->theme->setformat_x4 + frame_rate->get_w(),
 369                 y));
 370
 371         y += mwindow->theme->setformat_margin;
 372         add_subwindow(new BC_Title(mwindow->theme->setformat_x3,
 373                 y,
 374                 _("Canvas size:")));
 375
 376         y += mwindow->theme->setformat_margin;
 377         add_subwindow(title = new BC_Title(mwindow->theme->setformat_x3, y, _("Width:")));
 378         add_subwindow(dimension[0] = new ScaleSizeText(mwindow->theme->setformat_x4,
 379                 y,
 380                 thread,
 381                 &(thread->dimension[0])));
 382
 383         y += mwindow->theme->setformat_margin;
 384         add_subwindow(new BC_Title(mwindow->theme->setformat_x3, y, _("Height:")));
 385         add_subwindow(dimension[1] = new ScaleSizeText(mwindow->theme->setformat_x4,
 386                 y,
 387                 thread,
 388                 &(thread->dimension[1])));
 389
 390         x = mwindow->theme->setformat_x4 + dimension[0]->get_w();
 391         FrameSizePulldown *pulldown;
 392         add_subwindow(pulldown = new FrameSizePulldown(mwindow->theme,
 393                 dimension[0],
 394                 dimension[1],
 395                 x,
 396                 y - mwindow->theme->setformat_margin));
 397
 398         add_subwindow(new FormatSwapExtents(mwindow,
 399                 thread,
 400                 this,
 401                 x + pulldown->get_w() + 5,
 402                 y - mwindow->theme->setformat_margin));
 403
 404         y += mwindow->theme->setformat_margin;
 405         add_subwindow(new BC_Title(mwindow->theme->setformat_x3,
 406                 y,
 407                 _("W Ratio:")));
 408         add_subwindow(ratio[0] = new ScaleRatioText(mwindow->theme->setformat_x4,
 409                 y,
 410                 thread,
 411                 &(thread->ratio[0])));
 412
 413         y += mwindow->theme->setformat_margin;
 414         add_subwindow(new BC_Title(mwindow->theme->setformat_x3,
 415                 y,
 416                 _("H Ratio:")));
 417         add_subwindow(ratio[1] = new ScaleRatioText(mwindow->theme->setformat_x4,
 418                 y,
 419                 thread,
 420                 &(thread->ratio[1])));
 421
 422         y += mwindow->theme->setformat_margin;
 423         add_subwindow(new BC_Title(mwindow->theme->setformat_x3,
 424                 y,
 425                 _("Color model:")));
 426         x = mwindow->theme->setformat_x4;
 427         add_subwindow(textbox = new BC_TextBox(x,
 428                 y,
 429                 100,
 430                 1,
 431                 ""));
 432         x += textbox->get_w();
 433         add_subwindow(color_model = new ColormodelPulldown(mwindow,
 434                 textbox,
 435                 &thread->new_settings->session->color_model,
 436                 x,
 437                 y));
 438
 439         y += mwindow->theme->setformat_margin;
 440         add_subwindow(new BC_Title(mwindow->theme->setformat_x3,
 441                 y,
 442                 _("Aspect ratio:")));
 443         y += mwindow->theme->setformat_margin;
 444         x = mwindow->theme->setformat_x3;
 445         add_subwindow(aspect_w = new ScaleAspectText(x,
 446                 y,
 447                 thread,
 448                 &(thread->new_settings->session->aspect_w)));
 449         x += aspect_w->get_w() + 5;
 450         add_subwindow(new BC_Title(x, y, ":"));
 451         x += 10;
 452         add_subwindow(aspect_h = new ScaleAspectText(x,
 453                 y,
 454                 thread,
 455                 &(thread->new_settings->session->aspect_h)));
 456         x += aspect_h->get_w();
 457         add_subwindow(new AspectPulldown(mwindow,
 458                 aspect_w,
 459                 aspect_h,
 460                 x,
 461                 y));
 462         x += 30;
 463         add_subwindow(auto_aspect = new ScaleAspectAuto(x, y, thread));
 464         y += mwindow->theme->setformat_margin;
 465
 466         // --------------------
 467         add_subwindow(new BC_Title(mwindow->theme->setformat_x3,
 468                 y,
 469                 _("Interlace mode:")));
 470         add_subwindow(textbox = new BC_TextBox(mwindow->theme->setformat_x4,
 471                 y,
 472                 140,
 473                 1,
 474                 ""));
 475         add_subwindow(interlace_pulldown = new InterlacemodePulldown(mwindow,
 476                 textbox,
 477                 &(thread->new_settings->session->interlace_mode),
 478                 (ArrayList<BC_ListBoxItem*>*)&mwindow->interlace_project_modes,
 479                 mwindow->theme->setformat_x4 + textbox->get_w(),
 480                 y));
 481         y += mwindow->theme->setformat_margin;
 482
 483
 484         BC_OKTextButton *ok;
 485         BC_CancelTextButton *cancel;
 486         add_subwindow(ok = new BC_OKTextButton(this));
 487         add_subwindow(cancel = new BC_CancelTextButton(this));
 488         add_subwindow(new SetFormatApply((ok->get_x() + cancel->get_x()) / 2,
 489                 ok->get_y(),
 490                 thread));
 491         flash();
 492         show_window();
 493         unlock_window();
 494 }
 495
 496 const char* SetFormatWindow::get_preset_text()
 497 {
 498         return "";
 499 }
 500
 501
 502 SetFormatPresets::SetFormatPresets(MWindow *mwindow,
 503         SetFormatWindow *gui,
 504         int x,
 505         int y)
 506  : FormatPresets(mwindow, 0, gui, x, y)
 507 {
 508
 509 }
 510
 511 SetFormatPresets::~SetFormatPresets()
 512 {
 513 }
 514
 515 int SetFormatPresets::handle_event()
 516 {
 517         format_gui->thread->update();
 518         return 1;
 519 }
 520
 521 EDL* SetFormatPresets::get_edl()
 522 {
 523         return format_gui->thread->new_settings;
 524 }
 525
 526
 527
 528 SetSampleRateTextBox::SetSampleRateTextBox(SetFormatThread *thread, int x, int y)
 529  : BC_TextBox(x, y, 100, 1, (int64_t)thread->new_settings->session->sample_rate)
 530 {
 531         this->thread = thread;
 532 }
 533 int SetSampleRateTextBox::handle_event()
 534 {
 535         thread->new_settings->session->sample_rate = CLIP(atol(get_text()), 1, 1000000);
 536         return 1;
 537 }
 538
 539 SetChannelsTextBox::SetChannelsTextBox(SetFormatThread *thread, int x, int y)
 540  : BC_TextBox(x, y, 100, 1, thread->new_settings->session->audio_channels)
 541 {
 542         this->thread = thread;
 543 }
 544 int SetChannelsTextBox::handle_event()
 545 {
 546         int new_channels = CLIP(atoi(get_text()), 1, MAXCHANNELS);
 547
 548         thread->new_settings->session->audio_channels = new_channels;
 549
 550
 551         if(new_channels > 0)
 552         {
 553                 memcpy(thread->new_settings->session->achannel_positions,
 554                         &thread->mwindow->preferences->channel_positions[new_channels - 1],
 555                         sizeof(thread->new_settings->session->achannel_positions));
 556         }
 557
 558
 559         thread->window->canvas->draw();
 560         return 1;
 561 }
 562
 563 SetChannelsReset::SetChannelsReset(SetFormatThread *thread, int x, int y, const char *text)
 564  : BC_GenericButton(x, y, text)
 565 {
 566         this->thread = thread;
 567 }
 568
 569 int SetChannelsReset::handle_event()
 570 {
 571         int channels = thread->new_settings->session->audio_channels;
 572         int *achannels = thread->new_settings->session->achannel_positions;
 573         for( int i=0; i<MAX_CHANNELS; ++i )
 574                 achannels[i] = default_audio_channel_position(i, channels);
 575         thread->window->canvas->draw();
 576         return 1;
 577 }
 578
 579 SetChannelsCanvas::SetChannelsCanvas(MWindow *mwindow,
 580         SetFormatThread *thread, int x, int y, int w, int h)
 581  : BC_SubWindow(x, y, w, h)
 582 {
 583         this->thread = thread;
 584         this->mwindow = mwindow;
 585         active_channel = -1;
 586         box_r = mwindow->theme->channel_position_data->get_w() / 2;
 587         temp_picon = new VFrame(
 588                 mwindow->theme->channel_position_data->get_w(),
 589                 mwindow->theme->channel_position_data->get_h(),
 590                 mwindow->theme->channel_position_data->get_color_model(),
 591                 0);
 592         rotater = new RotateFrame(mwindow->preferences->processors,
 593                 mwindow->theme->channel_position_data->get_w(),
 594                 mwindow->theme->channel_position_data->get_h());
 595 }
 596 SetChannelsCanvas::~SetChannelsCanvas()
 597 {
 598         delete temp_picon;
 599         delete rotater;
 600 }
 601
 602 int SetChannelsCanvas::draw(int angle)
 603 {
 604         set_color(RED);
 605         //int real_w = get_w() - box_r * 2;
 606         //int real_h = get_h() - box_r * 2;
 607         //int real_x = box_r;
 608         //int real_y = box_r;
 609
 610         draw_top_background(get_top_level(), 0, 0, get_w(), get_h());
 611 //      draw_vframe(mwindow->theme->channel_bg_data, 0, 0);
 612
 613
 614
 615
 616         int x, y, w, h;
 617         char string[32];
 618         set_color(mwindow->theme->channel_position_color);
 619         for(int i = 0; i < thread->new_settings->session->audio_channels; i++)
 620         {
 621                 get_dimensions(thread->new_settings->session->achannel_positions[i],
 622                         x,
 623                         y,
 624                         w,
 625                         h);
 626                 double rotate_angle = thread->new_settings->session->achannel_positions[i];
 627                 rotate_angle = -rotate_angle;
 628                 while(rotate_angle < 0) rotate_angle += 360;
 629                 rotater->rotate(temp_picon,
 630                         mwindow->theme->channel_position_data,
 631                         rotate_angle,
 632                         0);
 633
 634                 BC_Pixmap temp_pixmap(this,
 635                         temp_picon,
 636                         PIXMAP_ALPHA,
 637                         0);
 638                 draw_pixmap(&temp_pixmap, x, y);
 639                 sprintf(string, "%d", i + 1);
 640                 draw_text(x + 2, y + box_r * 2 - 2, string);
 641         }
 642
 643         if(angle > -1)
 644         {
 645                 sprintf(string, _("%d degrees"), angle);
 646                 draw_text(this->get_w() / 2 - 40, this->get_h() / 2, string);
 647         }
 648
 649         flash();
 650         return 0;
 651 }
 652
 653 int SetChannelsCanvas::get_dimensions(int channel_position,
 654         int &x,
 655         int &y,
 656         int &w,
 657         int &h)
 658 {
 659 #define MARGIN 10
 660         int real_w = this->get_w() - box_r * 2 - MARGIN;
 661         int real_h = this->get_h() - box_r * 2 - MARGIN;
 662         float corrected_position = channel_position;
 663         if(corrected_position < 0) corrected_position += 360;
 664         Units::polar_to_xy((float)corrected_position, real_w / 2, x, y);
 665         x += real_w / 2 + MARGIN / 2;
 666         y += real_h / 2 + MARGIN / 2;
 667         w = box_r * 2;
 668         h = box_r * 2;
 669         return 0;
 670 }
 671
 672 int SetChannelsCanvas::button_press_event()
 673 {
 674         if(!cursor_inside()) return 0;
 675 // get active channel
 676         for( int i = 0; i < thread->new_settings->session->audio_channels; i++ ) {
 677                 int x, y, w, h;
 678                 get_dimensions(thread->new_settings->session->achannel_positions[i], x, y, w, h);
 679                 if( get_cursor_x() > x && get_cursor_y() > y &&
 680                     get_cursor_x() < x + w && get_cursor_y() < y + h ) {
 681                         active_channel = i;
 682                         degree_offset = (int)Units::xy_to_polar(get_cursor_x() - this->get_w() / 2, get_cursor_y() - this->get_h() / 2);
 683                         degree_offset += 90;
 684                         if(degree_offset >= 360) degree_offset -= 360;
 685                         degree_offset -= thread->new_settings->session->achannel_positions[i];
 686                         draw(thread->new_settings->session->achannel_positions[i]);
 687                         return 1;
 688                 }
 689         }
 690         return 0;
 691 }
 692
 693 int SetChannelsCanvas::button_release_event()
 694 {
 695         if(active_channel >= 0)
 696         {
 697                 active_channel = -1;
 698                 draw(-1);
 699                 return 1;
 700         }
 701         return 0;
 702 }
 703
 704 int SetChannelsCanvas::cursor_motion_event()
 705 {
 706         if(active_channel >= 0)
 707         {
 708 // get degrees of new channel
 709                 int new_d;
 710                 new_d = (int)Units::xy_to_polar(get_cursor_x() - this->get_w() / 2, get_cursor_y() - this->get_h() / 2);
 711                 new_d += 90;
 712                 new_d -= degree_offset;
 713
 714                 while(new_d >= 360) new_d -= 360;
 715                 while(new_d < 0) new_d += 360;
 716
 717                 if(thread->new_settings->session->achannel_positions[active_channel] != new_d)
 718                 {
 719                         thread->new_settings->session->achannel_positions[active_channel] = new_d;
 720                         int new_channels = thread->new_settings->session->audio_channels;
 721                         memcpy(&thread->mwindow->preferences->channel_positions[new_channels - 1],
 722                                 thread->new_settings->session->achannel_positions,
 723                                 sizeof(thread->mwindow->preferences->channel_positions[new_channels - 1]));
 724                         draw(thread->new_settings->session->achannel_positions[active_channel]);
 725                 }
 726                 return 1;
 727         }
 728         return 0;
 729 }
 730
 731
 732 SetFrameRateTextBox::SetFrameRateTextBox(SetFormatThread *thread, int x, int y)
 733  : BC_TextBox(x, y, 100, 1, (float)thread->new_settings->session->frame_rate)
 734 {
 735         this->thread = thread;
 736 }
 737
 738 int SetFrameRateTextBox::handle_event()
 739 {
 740         thread->new_settings->session->frame_rate = Units::atoframerate(get_text());
 741         return 1;
 742 }
 743
 744
 745 //
 746 // SetVChannels::SetVChannels(SetFormatThread *thread, int x, int y)
 747 //  : BC_TextBox(x, y, 100, 1, thread->channels)
 748 // {
 749 //      this->thread = thread;
 750 // }
 751 // int SetVChannels::handle_event()
 752 // {
 753 //      thread->channels = atol(get_text());
 754 //      return 1;
 755 // }
 756
 757
 758
 759
 760 ScaleSizeText::ScaleSizeText(int x, int y, SetFormatThread *thread, int *output)
 761  : BC_TextBox(x, y, 100, 1, *output)
 762 {
 763         this->thread = thread;
 764         this->output = output;
 765 }
 766 ScaleSizeText::~ScaleSizeText()
 767 {
 768 }
 769 int ScaleSizeText::handle_event()
 770 {
 771         *output = atol(get_text());
 772         *output /= 2;
 773         *output *= 2;
 774         if(*output <= 0) *output = 2;
 775         if(*output > 10000) *output = 10000;
 776         *output *= -1;
 777         thread->update_window();
 778         return 1;
 779 }
 780
 781
 782
 783 ScaleRatioText::ScaleRatioText(int x,
 784         int y,
 785         SetFormatThread *thread,
 786         float *output)
 787  : BC_TextBox(x, y, 100, 1, *output)
 788 {
 789         this->thread = thread;
 790         this->output = output;
 791 }
 792 ScaleRatioText::~ScaleRatioText()
 793 {
 794 }
 795 int ScaleRatioText::handle_event()
 796 {
 797         *output = atof(get_text());
 798         //if(*output <= 0) *output = 1;
 799         if(*output > 10000) *output = 10000;
 800         if(*output < -10000) *output = -10000;
 801         *output *= -1;
 802         thread->update_window();
 803         return 1;
 804 }
 805
 806
 807 ScaleAspectAuto::ScaleAspectAuto(int x, int y, SetFormatThread *thread)
 808  : BC_CheckBox(x, y, thread->auto_aspect, _("Auto"))
 809 {
 810         this->thread = thread;
 811 }
 812
 813 ScaleAspectAuto::~ScaleAspectAuto()
 814 {
 815 }
 816
 817 int ScaleAspectAuto::handle_event()
 818 {
 819         thread->auto_aspect = get_value();
 820         thread->update_aspect();
 821         return 1;
 822 }
 823
 824 ScaleAspectText::ScaleAspectText(int x, int y, SetFormatThread *thread, float *output)
 825  : BC_TextBox(x, y, 70, 1, *output)
 826 {
 827         this->output = output;
 828         this->thread = thread;
 829 }
 830 ScaleAspectText::~ScaleAspectText()
 831 {
 832 }
 833
 834 int ScaleAspectText::handle_event()
 835 {
 836         *output = atof(get_text());
 837         return 1;
 838 }
 839
 840
 841 SetFormatApply::SetFormatApply(int x, int y, SetFormatThread *thread)
 842  : BC_GenericButton(x, y, _("Apply"))
 843 {
 844         this->thread = thread;
 845 }
 846
 847 int SetFormatApply::handle_event()
 848 {
 849         thread->apply_changes();
 850         return 1;
 851 }
 852
 853
 854 FormatSwapExtents::FormatSwapExtents(MWindow *mwindow,
 855         SetFormatThread *thread,
 856         SetFormatWindow *gui,
 857         int x,
 858         int y)
 859  : BC_Button(x, y, mwindow->theme->get_image_set("swap_extents"))
 860 {
 861         this->mwindow = mwindow;
 862         this->thread = thread;
 863         this->gui = gui;
 864         set_tooltip(_("Swap dimensions"));
 865 }
 866
 867 int FormatSwapExtents::handle_event()
 868 {
 869         int w = thread->dimension[0];
 870         int h = thread->dimension[1];
 871         thread->dimension[0] = -h;
 872         gui->dimension[0]->update((int64_t)h);
 873         gui->dimension[1]->update((int64_t)w);
 874         thread->update_window();
 875         thread->dimension[1] = -w;
 876         thread->update_window();
 877         return 1;
 878 }
 879