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 SetFormatWindow::SetFormatWindow(MWindow *mwindow,
 275         SetFormatThread *thread, int x, int y)
 276  : BC_Window(_(PROGRAM_NAME ": Set Format"), x, y,
 277         mwindow->theme->setformat_w, mwindow->theme->setformat_h,
 278         -1, -1, 0, 0, 1)
 279 {
 280         this->mwindow = mwindow;
 281         this->thread = thread;
 282         presets = 0;
 283 }
 284 SetFormatWindow::~SetFormatWindow()
 285 {
 286         delete presets;
 287 }
 288
 289 void SetFormatWindow::create_objects()
 290 {
 291         lock_window("SetFormatWindow::create_objects");
 292         int x = xS(10), y = mwindow->theme->setformat_y1;
 293         BC_TextBox *textbox;
 294         BC_Title *title;
 295         mwindow->theme->draw_setformat_bg(this);
 296
 297         presets = new SetFormatPresets(mwindow, this, x, y);
 298         presets->create_objects();
 299         x = presets->x; //  y = presets->y;
 300         y = mwindow->theme->setformat_y2;
 301
 302         add_subwindow(new BC_Title(mwindow->theme->setformat_x1, y,
 303                 _("Audio"), LARGEFONT));
 304         y = mwindow->theme->setformat_y3;
 305
 306         add_subwindow(new BC_Title(mwindow->theme->setformat_x1, y,
 307                 _("Samplerate:")));
 308         add_subwindow(sample_rate = new SetSampleRateTextBox(thread,
 309                 mwindow->theme->setformat_x2,
 310                 y));
 311         add_subwindow(new SampleRatePulldown(mwindow, sample_rate,
 312                 mwindow->theme->setformat_x2 + sample_rate->get_w(), y));
 313
 314         y += mwindow->theme->setformat_margin;
 315         add_subwindow(new BC_Title(mwindow->theme->setformat_x1, y,
 316                 _("Channels:")));
 317         add_subwindow(channels = new SetChannelsTextBox(thread,
 318                 mwindow->theme->setformat_x2, y));
 319         add_subwindow(new BC_ITumbler(channels, 1, MAXCHANNELS,
 320                 mwindow->theme->setformat_x2 + channels->get_w(), y));
 321
 322         y += mwindow->theme->setformat_margin;
 323         add_subwindow(new BC_Title(mwindow->theme->setformat_x1, y,
 324                 _("Channel positions:")));
 325         y += mwindow->theme->setformat_margin;
 326         add_subwindow(channels_reset = new SetChannelsReset(thread,
 327                 mwindow->theme->setformat_x1, y,
 328                 _("Reset")));
 329         add_subwindow(canvas = new SetChannelsCanvas(mwindow,
 330                 thread,
 331                 mwindow->theme->setformat_channels_x,
 332                 mwindow->theme->setformat_channels_y,
 333                 mwindow->theme->setformat_channels_w,
 334                 mwindow->theme->setformat_channels_h));
 335         canvas->draw();
 336
 337
 338
 339         y = mwindow->theme->setformat_y2;
 340         add_subwindow(new BC_Title(mwindow->theme->setformat_x3,
 341                 y,
 342                 _("Video"),
 343                 LARGEFONT));
 344
 345         y = mwindow->theme->setformat_y3;
 346         add_subwindow(new BC_Title(mwindow->theme->setformat_x3,
 347                 y,
 348                 _("Frame rate:")));
 349         add_subwindow(frame_rate = new SetFrameRateTextBox(thread,
 350                 mwindow->theme->setformat_x4,
 351                 y));
 352         add_subwindow(new FrameRatePulldown(mwindow,
 353                 frame_rate,
 354                 mwindow->theme->setformat_x4 + frame_rate->get_w(),
 355                 y));
 356
 357         y += mwindow->theme->setformat_margin;
 358         add_subwindow(new BC_Title(mwindow->theme->setformat_x3,
 359                 y,
 360                 _("Canvas size:")));
 361
 362         y += mwindow->theme->setformat_margin;
 363         add_subwindow(title = new BC_Title(mwindow->theme->setformat_x3, y, _("Width:")));
 364         add_subwindow(dimension[0] = new ScaleSizeText(mwindow->theme->setformat_x4,
 365                 y,
 366                 thread,
 367                 &(thread->dimension[0])));
 368
 369         y += mwindow->theme->setformat_margin;
 370         add_subwindow(new BC_Title(mwindow->theme->setformat_x3, y, _("Height:")));
 371         add_subwindow(dimension[1] = new ScaleSizeText(mwindow->theme->setformat_x4,
 372                 y,
 373                 thread,
 374                 &(thread->dimension[1])));
 375
 376         x = mwindow->theme->setformat_x4 + dimension[0]->get_w();
 377         FrameSizePulldown *pulldown;
 378         add_subwindow(pulldown = new FrameSizePulldown(mwindow->theme,
 379                 dimension[0],
 380                 dimension[1],
 381                 x,
 382                 y - mwindow->theme->setformat_margin));
 383
 384         add_subwindow(new FormatSwapExtents(mwindow,
 385                 thread,
 386                 this,
 387                 x + pulldown->get_w() + 5,
 388                 y - mwindow->theme->setformat_margin));
 389
 390         y += mwindow->theme->setformat_margin;
 391         add_subwindow(new BC_Title(mwindow->theme->setformat_x3,
 392                 y,
 393                 _("W Ratio:")));
 394         add_subwindow(ratio[0] = new ScaleRatioText(mwindow->theme->setformat_x4,
 395                 y,
 396                 thread,
 397                 &(thread->ratio[0])));
 398
 399         y += mwindow->theme->setformat_margin;
 400         add_subwindow(new BC_Title(mwindow->theme->setformat_x3,
 401                 y,
 402                 _("H Ratio:")));
 403         add_subwindow(ratio[1] = new ScaleRatioText(mwindow->theme->setformat_x4,
 404                 y,
 405                 thread,
 406                 &(thread->ratio[1])));
 407
 408         y += mwindow->theme->setformat_margin;
 409         add_subwindow(new BC_Title(mwindow->theme->setformat_x3,
 410                 y,
 411                 _("Color model:")));
 412         x = mwindow->theme->setformat_x4;
 413         add_subwindow(textbox = new BC_TextBox(x, y, xS(100), 1, ""));
 414         x += textbox->get_w();
 415         add_subwindow(color_model = new ColormodelPulldown(mwindow, textbox,
 416                 &thread->new_settings->session->color_model, x, y));
 417
 418         y += mwindow->theme->setformat_margin;
 419         add_subwindow(new BC_Title(mwindow->theme->setformat_x3,
 420                 y,
 421                 _("Aspect ratio:")));
 422         y += mwindow->theme->setformat_margin;
 423         x = mwindow->theme->setformat_x3;
 424         add_subwindow(aspect_w = new ScaleAspectText(x, y, thread,
 425                 &(thread->new_settings->session->aspect_w)));
 426         x += aspect_w->get_w() + xS(5);
 427         add_subwindow(new BC_Title(x, y, ":"));
 428         x += xS(10);
 429         add_subwindow(aspect_h = new ScaleAspectText(x,
 430                 y,
 431                 thread,
 432                 &(thread->new_settings->session->aspect_h)));
 433         x += aspect_h->get_w();
 434         add_subwindow(new AspectPulldown(mwindow,
 435                 aspect_w,
 436                 aspect_h,
 437                 x,
 438                 y));
 439         x += xS(30);
 440         add_subwindow(auto_aspect = new ScaleAspectAuto(x, y, thread));
 441         y += mwindow->theme->setformat_margin;
 442
 443         // --------------------
 444         add_subwindow(new BC_Title(mwindow->theme->setformat_x3,
 445                 y,
 446                 _("Interlace mode:")));
 447         add_subwindow(textbox = new BC_TextBox(mwindow->theme->setformat_x4, y,
 448                 xS(140), 1, ""));
 449         add_subwindow(interlace_pulldown = new InterlacemodePulldown(mwindow,
 450                 textbox, &(thread->new_settings->session->interlace_mode),
 451                 (ArrayList<BC_ListBoxItem*>*)&mwindow->interlace_project_modes,
 452                 mwindow->theme->setformat_x4 + textbox->get_w(), y));
 453         y += mwindow->theme->setformat_margin;
 454
 455         BC_OKTextButton *ok;
 456         BC_CancelTextButton *cancel;
 457         add_subwindow(ok = new BC_OKTextButton(this));
 458         add_subwindow(cancel = new BC_CancelTextButton(this));
 459         add_subwindow(new SetFormatApply((ok->get_x() + cancel->get_x()) / 2,
 460                 ok->get_y(), thread));
 461         flash();
 462         show_window();
 463         unlock_window();
 464 }
 465
 466 const char* SetFormatWindow::get_preset_text()
 467 {
 468         return "";
 469 }
 470
 471
 472 SetFormatPresets::SetFormatPresets(MWindow *mwindow,
 473         SetFormatWindow *gui,
 474         int x,
 475         int y)
 476  : FormatPresets(mwindow, 0, gui, x, y)
 477 {
 478
 479 }
 480
 481 SetFormatPresets::~SetFormatPresets()
 482 {
 483 }
 484
 485 int SetFormatPresets::handle_event()
 486 {
 487         format_gui->thread->update();
 488         return format_gui->channels_reset->handle_event();
 489 }
 490
 491 EDL* SetFormatPresets::get_edl()
 492 {
 493         return format_gui->thread->new_settings;
 494 }
 495
 496
 497
 498 SetSampleRateTextBox::SetSampleRateTextBox(SetFormatThread *thread, int x, int y)
 499  : BC_TextBox(x, y, xS(100), 1, (int64_t)thread->new_settings->session->sample_rate)
 500 {
 501         this->thread = thread;
 502 }
 503 int SetSampleRateTextBox::handle_event()
 504 {
 505         thread->new_settings->session->sample_rate = CLIP(atol(get_text()), 1, 1000000);
 506         return 1;
 507 }
 508
 509 SetChannelsTextBox::SetChannelsTextBox(SetFormatThread *thread, int x, int y)
 510  : BC_TextBox(x, y, xS(100), 1, thread->new_settings->session->audio_channels)
 511 {
 512         this->thread = thread;
 513 }
 514 int SetChannelsTextBox::handle_event()
 515 {
 516         int new_channels = CLIP(atoi(get_text()), 1, MAXCHANNELS);
 517
 518         thread->new_settings->session->audio_channels = new_channels;
 519
 520
 521         if(new_channels > 0)
 522         {
 523                 memcpy(thread->new_settings->session->achannel_positions,
 524                         &thread->mwindow->preferences->channel_positions[new_channels - 1],
 525                         sizeof(thread->new_settings->session->achannel_positions));
 526         }
 527
 528
 529         thread->window->canvas->draw();
 530         return 1;
 531 }
 532
 533 SetChannelsReset::SetChannelsReset(SetFormatThread *thread, int x, int y, const char *text)
 534  : BC_GenericButton(x, y, text)
 535 {
 536         this->thread = thread;
 537 }
 538
 539 int SetChannelsReset::handle_event()
 540 {
 541         int channels = thread->new_settings->session->audio_channels;
 542         int *achannels = thread->new_settings->session->achannel_positions;
 543         for( int i=0; i<MAX_CHANNELS; ++i )
 544                 achannels[i] = default_audio_channel_position(i, channels);
 545         thread->window->canvas->draw();
 546         return 1;
 547 }
 548
 549 SetChannelsCanvas::SetChannelsCanvas(MWindow *mwindow,
 550         SetFormatThread *thread, int x, int y, int w, int h)
 551  : BC_SubWindow(x, y, w, h)
 552 {
 553         this->thread = thread;
 554         this->mwindow = mwindow;
 555         active_channel = -1;
 556         box_r = mwindow->theme->channel_position_data->get_w() / 2;
 557         temp_picon = new VFrame(
 558                 mwindow->theme->channel_position_data->get_w(),
 559                 mwindow->theme->channel_position_data->get_h(),
 560                 mwindow->theme->channel_position_data->get_color_model(),
 561                 0);
 562         rotater = new RotateFrame(mwindow->preferences->processors,
 563                 mwindow->theme->channel_position_data->get_w(),
 564                 mwindow->theme->channel_position_data->get_h());
 565 }
 566 SetChannelsCanvas::~SetChannelsCanvas()
 567 {
 568         delete temp_picon;
 569         delete rotater;
 570 }
 571
 572 int SetChannelsCanvas::draw(int angle)
 573 {
 574         set_color(RED);
 575         //int real_w = get_w() - box_r * 2;
 576         //int real_h = get_h() - box_r * 2;
 577         //int real_x = box_r;
 578         //int real_y = box_r;
 579
 580         draw_top_background(get_top_level(), 0, 0, get_w(), get_h());
 581 //      draw_vframe(mwindow->theme->channel_bg_data, 0, 0);
 582
 583
 584
 585
 586         int x, y, w, h;
 587         char string[32];
 588         set_color(mwindow->theme->channel_position_color);
 589         for(int i = 0; i < thread->new_settings->session->audio_channels; i++)
 590         {
 591                 get_dimensions(thread->new_settings->session->achannel_positions[i],
 592                         x, y, w, h);
 593                 double rotate_angle = thread->new_settings->session->achannel_positions[i];
 594                 rotate_angle = -rotate_angle;
 595                 while(rotate_angle < 0) rotate_angle += 360;
 596                 rotater->rotate(temp_picon,
 597                         mwindow->theme->channel_position_data,
 598                         rotate_angle,
 599                         0);
 600
 601                 BC_Pixmap temp_pixmap(this,
 602                         temp_picon,
 603                         PIXMAP_ALPHA,
 604                         0);
 605                 draw_pixmap(&temp_pixmap, x, y);
 606                 sprintf(string, "%d", i + 1);
 607                 draw_text(x + 2, y + box_r * 2 - 2, string);
 608         }
 609
 610         if(angle > -1)
 611         {
 612                 sprintf(string, _("%d degrees"), angle);
 613                 draw_text(this->get_w() / 2 - 40, this->get_h() / 2, string);
 614         }
 615
 616         flash();
 617         return 0;
 618 }
 619
 620 int SetChannelsCanvas::get_dimensions(int channel_position,
 621                 int &x, int &y, int &w, int &h)
 622 {
 623         int xs10 = xS(10), ys10 = yS(10);
 624         int real_w = this->get_w() - box_r * 2 - xs10;
 625         int real_h = this->get_h() - box_r * 2 - ys10;
 626         float corrected_position = channel_position;
 627         if(corrected_position < 0) corrected_position += 360;
 628         Units::polar_to_xy((float)corrected_position, real_w / 2, x, y);
 629         x += real_w / 2 + xs10 / 2;
 630         y += real_h / 2 + ys10 / 2;
 631         w = box_r * 2;
 632         h = box_r * 2;
 633         return 0;
 634 }
 635
 636 int SetChannelsCanvas::button_press_event()
 637 {
 638         if(!cursor_inside()) return 0;
 639 // get active channel
 640         for( int i = 0; i < thread->new_settings->session->audio_channels; i++ ) {
 641                 int x, y, w, h;
 642                 get_dimensions(thread->new_settings->session->achannel_positions[i], x, y, w, h);
 643                 if( get_cursor_x() > x && get_cursor_y() > y &&
 644                     get_cursor_x() < x + w && get_cursor_y() < y + h ) {
 645                         active_channel = i;
 646                         degree_offset = (int)Units::xy_to_polar(get_cursor_x() - this->get_w() / 2, get_cursor_y() - this->get_h() / 2);
 647                         degree_offset += 90;
 648                         if(degree_offset >= 360) degree_offset -= 360;
 649                         degree_offset -= thread->new_settings->session->achannel_positions[i];
 650                         draw(thread->new_settings->session->achannel_positions[i]);
 651                         return 1;
 652                 }
 653         }
 654         return 0;
 655 }
 656
 657 int SetChannelsCanvas::button_release_event()
 658 {
 659         if(active_channel >= 0)
 660         {
 661                 active_channel = -1;
 662                 draw(-1);
 663                 return 1;
 664         }
 665         return 0;
 666 }
 667
 668 int SetChannelsCanvas::cursor_motion_event()
 669 {
 670         if(active_channel >= 0)
 671         {
 672 // get degrees of new channel
 673                 int new_d;
 674                 new_d = (int)Units::xy_to_polar(get_cursor_x() - this->get_w() / 2, get_cursor_y() - this->get_h() / 2);
 675                 new_d += 90;
 676                 new_d -= degree_offset;
 677
 678                 while(new_d >= 360) new_d -= 360;
 679                 while(new_d < 0) new_d += 360;
 680
 681                 if(thread->new_settings->session->achannel_positions[active_channel] != new_d)
 682                 {
 683                         thread->new_settings->session->achannel_positions[active_channel] = new_d;
 684                         int new_channels = thread->new_settings->session->audio_channels;
 685                         memcpy(&thread->mwindow->preferences->channel_positions[new_channels - 1],
 686                                 thread->new_settings->session->achannel_positions,
 687                                 sizeof(thread->mwindow->preferences->channel_positions[new_channels - 1]));
 688                         draw(thread->new_settings->session->achannel_positions[active_channel]);
 689                 }
 690                 return 1;
 691         }
 692         return 0;
 693 }
 694
 695
 696 SetFrameRateTextBox::SetFrameRateTextBox(SetFormatThread *thread, int x, int y)
 697  : BC_TextBox(x, y, xS(100), 1, (float)thread->new_settings->session->frame_rate)
 698 {
 699         this->thread = thread;
 700 }
 701
 702 int SetFrameRateTextBox::handle_event()
 703 {
 704         thread->new_settings->session->frame_rate = Units::atoframerate(get_text());
 705         return 1;
 706 }
 707
 708
 709 //
 710 // SetVChannels::SetVChannels(SetFormatThread *thread, int x, int y)
 711 //  : BC_TextBox(x, y, xS(100), 1, thread->channels)
 712 // {
 713 //      this->thread = thread;
 714 // }
 715 // int SetVChannels::handle_event()
 716 // {
 717 //      thread->channels = atol(get_text());
 718 //      return 1;
 719 // }
 720
 721
 722
 723
 724 ScaleSizeText::ScaleSizeText(int x, int y, SetFormatThread *thread, int *output)
 725  : BC_TextBox(x, y, xS(100), 1, *output)
 726 {
 727         this->thread = thread;
 728         this->output = output;
 729 }
 730 ScaleSizeText::~ScaleSizeText()
 731 {
 732 }
 733 int ScaleSizeText::handle_event()
 734 {
 735         *output = atol(get_text());
 736         *output /= 2;  *output *= 2;
 737         if(*output <= 0) *output = 2;
 738         if(*output > 10000) *output = 10000;
 739         *output *= -1;
 740         thread->update_window();
 741         return 1;
 742 }
 743
 744
 745
 746 ScaleRatioText::ScaleRatioText(int x,
 747         int y,
 748         SetFormatThread *thread,
 749         float *output)
 750  : BC_TextBox(x, y, xS(100), 1, *output)
 751 {
 752         this->thread = thread;
 753         this->output = output;
 754 }
 755 ScaleRatioText::~ScaleRatioText()
 756 {
 757 }
 758 int ScaleRatioText::handle_event()
 759 {
 760         *output = atof(get_text());
 761         //if(*output <= 0) *output = 1;
 762         if(*output > 10000) *output = 10000;
 763         if(*output < -10000) *output = -10000;
 764         *output *= -1;
 765         thread->update_window();
 766         return 1;
 767 }
 768
 769
 770 ScaleAspectAuto::ScaleAspectAuto(int x, int y, SetFormatThread *thread)
 771  : BC_CheckBox(x, y, thread->auto_aspect, _("Auto"))
 772 {
 773         this->thread = thread;
 774 }
 775
 776 ScaleAspectAuto::~ScaleAspectAuto()
 777 {
 778 }
 779
 780 int ScaleAspectAuto::handle_event()
 781 {
 782         thread->auto_aspect = get_value();
 783         thread->update_aspect();
 784         return 1;
 785 }
 786
 787 ScaleAspectText::ScaleAspectText(int x, int y, SetFormatThread *thread, float *output)
 788  : BC_TextBox(x, y, xS(70), 1, *output)
 789 {
 790         this->output = output;
 791         this->thread = thread;
 792 }
 793 ScaleAspectText::~ScaleAspectText()
 794 {
 795 }
 796
 797 int ScaleAspectText::handle_event()
 798 {
 799         *output = atof(get_text());
 800         return 1;
 801 }
 802
 803
 804 SetFormatApply::SetFormatApply(int x, int y, SetFormatThread *thread)
 805  : BC_GenericButton(x, y, _("Apply"))
 806 {
 807         this->thread = thread;
 808 }
 809
 810 int SetFormatApply::handle_event()
 811 {
 812         thread->apply_changes();
 813         return 1;
 814 }
 815
 816
 817 FormatSwapExtents::FormatSwapExtents(MWindow *mwindow,
 818         SetFormatThread *thread,
 819         SetFormatWindow *gui,
 820         int x,
 821         int y)
 822  : BC_Button(x, y, mwindow->theme->get_image_set("swap_extents"))
 823 {
 824         this->mwindow = mwindow;
 825         this->thread = thread;
 826         this->gui = gui;
 827         set_tooltip(_("Swap dimensions"));
 828 }
 829
 830 int FormatSwapExtents::handle_event()
 831 {
 832         int w = thread->dimension[0];
 833         int h = thread->dimension[1];
 834         thread->dimension[0] = -h;
 835         gui->dimension[0]->update((int64_t)h);
 836         gui->dimension[1]->update((int64_t)w);
 837         thread->update_window();
 838         thread->dimension[1] = -w;
 839         thread->update_window();
 840         return 1;
 841 }
 842