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