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, int x, int y)
 283  : BC_Window(_(PROGRAM_NAME ": Set Format"), x, y,
 284         mwindow->theme->setformat_w, mwindow->theme->setformat_h,
 285         -1, -1, 0, 0, 1)
 286 {
 287         this->mwindow = mwindow;
 288         this->thread = thread;
 289         presets = 0;
 290 }
 291 SetFormatWindow::~SetFormatWindow()
 292 {
 293         delete presets;
 294 }
 295
 296 void SetFormatWindow::create_objects()
 297 {
 298         lock_window("SetFormatWindow::create_objects");
 299         int x = 10, y = mwindow->theme->setformat_y1;
 300         BC_TextBox *textbox;
 301         BC_Title *title;
 302         mwindow->theme->draw_setformat_bg(this);
 303
 304         presets = new SetFormatPresets(mwindow, this, x, y);
 305         presets->create_objects();
 306         x = presets->x; //  y = presets->y;
 307         y = mwindow->theme->setformat_y2;
 308
 309         add_subwindow(new BC_Title(mwindow->theme->setformat_x1, y,
 310                 _("Audio"), LARGEFONT));
 311         y = mwindow->theme->setformat_y3;
 312
 313         add_subwindow(new BC_Title(mwindow->theme->setformat_x1, y,
 314                 _("Samplerate:")));
 315         add_subwindow(sample_rate = new SetSampleRateTextBox(thread,
 316                 mwindow->theme->setformat_x2,
 317                 y));
 318         add_subwindow(new SampleRatePulldown(mwindow, sample_rate,
 319                 mwindow->theme->setformat_x2 + sample_rate->get_w(), y));
 320
 321         y += mwindow->theme->setformat_margin;
 322         add_subwindow(new BC_Title(mwindow->theme->setformat_x1, y,
 323                 _("Channels:")));
 324         add_subwindow(channels = new SetChannelsTextBox(thread,
 325                 mwindow->theme->setformat_x2, y));
 326         add_subwindow(new BC_ITumbler(channels, 1, MAXCHANNELS,
 327                 mwindow->theme->setformat_x2 + channels->get_w(), y));
 328
 329         y += mwindow->theme->setformat_margin;
 330         add_subwindow(new BC_Title(mwindow->theme->setformat_x1, y,
 331                 _("Channel positions:")));
 332         y += mwindow->theme->setformat_margin;
 333         add_subwindow(new SetChannelsReset(thread,
 334                 mwindow->theme->setformat_x1, y,
 335                 _("Reset")));
 336         add_subwindow(canvas = new SetChannelsCanvas(mwindow,
 337                 thread,
 338                 mwindow->theme->setformat_channels_x,
 339                 mwindow->theme->setformat_channels_y,
 340                 mwindow->theme->setformat_channels_w,
 341                 mwindow->theme->setformat_channels_h));
 342         canvas->draw();
 343
 344
 345
 346         y = mwindow->theme->setformat_y2;
 347         add_subwindow(new BC_Title(mwindow->theme->setformat_x3,
 348                 y,
 349                 _("Video"),
 350                 LARGEFONT));
 351
 352         y = mwindow->theme->setformat_y3;
 353         add_subwindow(new BC_Title(mwindow->theme->setformat_x3,
 354                 y,
 355                 _("Frame rate:")));
 356         add_subwindow(frame_rate = new SetFrameRateTextBox(thread,
 357                 mwindow->theme->setformat_x4,
 358                 y));
 359         add_subwindow(new FrameRatePulldown(mwindow,
 360                 frame_rate,
 361                 mwindow->theme->setformat_x4 + frame_rate->get_w(),
 362                 y));
 363
 364         y += mwindow->theme->setformat_margin;
 365         add_subwindow(new BC_Title(mwindow->theme->setformat_x3,
 366                 y,
 367                 _("Canvas size:")));
 368
 369         y += mwindow->theme->setformat_margin;
 370         add_subwindow(title = new BC_Title(mwindow->theme->setformat_x3, y, _("Width:")));
 371         add_subwindow(dimension[0] = new ScaleSizeText(mwindow->theme->setformat_x4,
 372                 y,
 373                 thread,
 374                 &(thread->dimension[0])));
 375
 376         y += mwindow->theme->setformat_margin;
 377         add_subwindow(new BC_Title(mwindow->theme->setformat_x3, y, _("Height:")));
 378         add_subwindow(dimension[1] = new ScaleSizeText(mwindow->theme->setformat_x4,
 379                 y,
 380                 thread,
 381                 &(thread->dimension[1])));
 382
 383         x = mwindow->theme->setformat_x4 + dimension[0]->get_w();
 384         FrameSizePulldown *pulldown;
 385         add_subwindow(pulldown = new FrameSizePulldown(mwindow->theme,
 386                 dimension[0],
 387                 dimension[1],
 388                 x,
 389                 y - mwindow->theme->setformat_margin));
 390
 391         add_subwindow(new FormatSwapExtents(mwindow,
 392                 thread,
 393                 this,
 394                 x + pulldown->get_w() + 5,
 395                 y - mwindow->theme->setformat_margin));
 396
 397         y += mwindow->theme->setformat_margin;
 398         add_subwindow(new BC_Title(mwindow->theme->setformat_x3,
 399                 y,
 400                 _("W Ratio:")));
 401         add_subwindow(ratio[0] = new ScaleRatioText(mwindow->theme->setformat_x4,
 402                 y,
 403                 thread,
 404                 &(thread->ratio[0])));
 405
 406         y += mwindow->theme->setformat_margin;
 407         add_subwindow(new BC_Title(mwindow->theme->setformat_x3,
 408                 y,
 409                 _("H Ratio:")));
 410         add_subwindow(ratio[1] = new ScaleRatioText(mwindow->theme->setformat_x4,
 411                 y,
 412                 thread,
 413                 &(thread->ratio[1])));
 414
 415         y += mwindow->theme->setformat_margin;
 416         add_subwindow(new BC_Title(mwindow->theme->setformat_x3,
 417                 y,
 418                 _("Color model:")));
 419         x = mwindow->theme->setformat_x4;
 420         add_subwindow(textbox = new BC_TextBox(x,
 421                 y,
 422                 100,
 423                 1,
 424                 ""));
 425         x += textbox->get_w();
 426         add_subwindow(color_model = new ColormodelPulldown(mwindow,
 427                 textbox,
 428                 &thread->new_settings->session->color_model,
 429                 x,
 430                 y));
 431
 432         y += mwindow->theme->setformat_margin;
 433         add_subwindow(new BC_Title(mwindow->theme->setformat_x3,
 434                 y,
 435                 _("Aspect ratio:")));
 436         y += mwindow->theme->setformat_margin;
 437         x = mwindow->theme->setformat_x3;
 438         add_subwindow(aspect_w = new ScaleAspectText(x,
 439                 y,
 440                 thread,
 441                 &(thread->new_settings->session->aspect_w)));
 442         x += aspect_w->get_w() + 5;
 443         add_subwindow(new BC_Title(x, y, ":"));
 444         x += 10;
 445         add_subwindow(aspect_h = new ScaleAspectText(x,
 446                 y,
 447                 thread,
 448                 &(thread->new_settings->session->aspect_h)));
 449         x += aspect_h->get_w();
 450         add_subwindow(new AspectPulldown(mwindow,
 451                 aspect_w,
 452                 aspect_h,
 453                 x,
 454                 y));
 455         x += 30;
 456         add_subwindow(auto_aspect = new ScaleAspectAuto(x, y, thread));
 457         y += mwindow->theme->setformat_margin;
 458
 459         // --------------------
 460         add_subwindow(new BC_Title(mwindow->theme->setformat_x3,
 461                 y,
 462                 _("Interlace mode:")));
 463         add_subwindow(textbox = new BC_TextBox(mwindow->theme->setformat_x4,
 464                 y,
 465                 140,
 466                 1,
 467                 ""));
 468         add_subwindow(interlace_pulldown = new InterlacemodePulldown(mwindow,
 469                 textbox,
 470                 &(thread->new_settings->session->interlace_mode),
 471                 (ArrayList<BC_ListBoxItem*>*)&mwindow->interlace_project_modes,
 472                 mwindow->theme->setformat_x4 + textbox->get_w(),
 473                 y));
 474         y += mwindow->theme->setformat_margin;
 475
 476
 477         BC_OKTextButton *ok;
 478         BC_CancelTextButton *cancel;
 479         add_subwindow(ok = new BC_OKTextButton(this));
 480         add_subwindow(cancel = new BC_CancelTextButton(this));
 481         add_subwindow(new SetFormatApply((ok->get_x() + cancel->get_x()) / 2,
 482                 ok->get_y(),
 483                 thread));
 484         flash();
 485         show_window();
 486         unlock_window();
 487 }
 488
 489 const char* SetFormatWindow::get_preset_text()
 490 {
 491         return "";
 492 }
 493
 494
 495 SetFormatPresets::SetFormatPresets(MWindow *mwindow,
 496         SetFormatWindow *gui,
 497         int x,
 498         int y)
 499  : FormatPresets(mwindow, 0, gui, x, y)
 500 {
 501
 502 }
 503
 504 SetFormatPresets::~SetFormatPresets()
 505 {
 506 }
 507
 508 int SetFormatPresets::handle_event()
 509 {
 510         format_gui->thread->update();
 511         return 1;
 512 }
 513
 514 EDL* SetFormatPresets::get_edl()
 515 {
 516         return format_gui->thread->new_settings;
 517 }
 518
 519
 520
 521 SetSampleRateTextBox::SetSampleRateTextBox(SetFormatThread *thread, int x, int y)
 522  : BC_TextBox(x, y, 100, 1, (int64_t)thread->new_settings->session->sample_rate)
 523 {
 524         this->thread = thread;
 525 }
 526 int SetSampleRateTextBox::handle_event()
 527 {
 528         thread->new_settings->session->sample_rate = CLIP(atol(get_text()), 1, 1000000);
 529         return 1;
 530 }
 531
 532 SetChannelsTextBox::SetChannelsTextBox(SetFormatThread *thread, int x, int y)
 533  : BC_TextBox(x, y, 100, 1, thread->new_settings->session->audio_channels)
 534 {
 535         this->thread = thread;
 536 }
 537 int SetChannelsTextBox::handle_event()
 538 {
 539         int new_channels = CLIP(atoi(get_text()), 1, MAXCHANNELS);
 540
 541         thread->new_settings->session->audio_channels = new_channels;
 542
 543
 544         if(new_channels > 0)
 545         {
 546                 memcpy(thread->new_settings->session->achannel_positions,
 547                         &thread->mwindow->preferences->channel_positions[new_channels - 1],
 548                         sizeof(thread->new_settings->session->achannel_positions));
 549         }
 550
 551
 552         thread->window->canvas->draw();
 553         return 1;
 554 }
 555
 556 SetChannelsReset::SetChannelsReset(SetFormatThread *thread, int x, int y, const char *text)
 557  : BC_GenericButton(x, y, text)
 558 {
 559         this->thread = thread;
 560 }
 561
 562 int SetChannelsReset::handle_event()
 563 {
 564         int channels = thread->new_settings->session->audio_channels;
 565         int *achannels = thread->new_settings->session->achannel_positions;
 566         for( int i=0; i<MAX_CHANNELS; ++i )
 567                 achannels[i] = default_audio_channel_position(i, channels);
 568         thread->window->canvas->draw();
 569         return 1;
 570 }
 571
 572 SetChannelsCanvas::SetChannelsCanvas(MWindow *mwindow,
 573         SetFormatThread *thread, int x, int y, int w, int h)
 574  : BC_SubWindow(x, y, w, h)
 575 {
 576         this->thread = thread;
 577         this->mwindow = mwindow;
 578         active_channel = -1;
 579         box_r = mwindow->theme->channel_position_data->get_w() / 2;
 580         temp_picon = new VFrame(
 581                 mwindow->theme->channel_position_data->get_w(),
 582                 mwindow->theme->channel_position_data->get_h(),
 583                 mwindow->theme->channel_position_data->get_color_model(),
 584                 0);
 585         rotater = new RotateFrame(mwindow->preferences->processors,
 586                 mwindow->theme->channel_position_data->get_w(),
 587                 mwindow->theme->channel_position_data->get_h());
 588 }
 589 SetChannelsCanvas::~SetChannelsCanvas()
 590 {
 591         delete temp_picon;
 592         delete rotater;
 593 }
 594
 595 int SetChannelsCanvas::draw(int angle)
 596 {
 597         set_color(RED);
 598         //int real_w = get_w() - box_r * 2;
 599         //int real_h = get_h() - box_r * 2;
 600         //int real_x = box_r;
 601         //int real_y = box_r;
 602
 603         draw_top_background(get_top_level(), 0, 0, get_w(), get_h());
 604 //      draw_vframe(mwindow->theme->channel_bg_data, 0, 0);
 605
 606
 607
 608
 609         int x, y, w, h;
 610         char string[32];
 611         set_color(mwindow->theme->channel_position_color);
 612         for(int i = 0; i < thread->new_settings->session->audio_channels; i++)
 613         {
 614                 get_dimensions(thread->new_settings->session->achannel_positions[i],
 615                         x,
 616                         y,
 617                         w,
 618                         h);
 619                 double rotate_angle = thread->new_settings->session->achannel_positions[i];
 620                 rotate_angle = -rotate_angle;
 621                 while(rotate_angle < 0) rotate_angle += 360;
 622                 rotater->rotate(temp_picon,
 623                         mwindow->theme->channel_position_data,
 624                         rotate_angle,
 625                         0);
 626
 627                 BC_Pixmap temp_pixmap(this,
 628                         temp_picon,
 629                         PIXMAP_ALPHA,
 630                         0);
 631                 draw_pixmap(&temp_pixmap, x, y);
 632                 sprintf(string, "%d", i + 1);
 633                 draw_text(x + 2, y + box_r * 2 - 2, string);
 634         }
 635
 636         if(angle > -1)
 637         {
 638                 sprintf(string, _("%d degrees"), angle);
 639                 draw_text(this->get_w() / 2 - 40, this->get_h() / 2, string);
 640         }
 641
 642         flash();
 643         return 0;
 644 }
 645
 646 int SetChannelsCanvas::get_dimensions(int channel_position,
 647         int &x,
 648         int &y,
 649         int &w,
 650         int &h)
 651 {
 652 #define MARGIN 10
 653         int real_w = this->get_w() - box_r * 2 - MARGIN;
 654         int real_h = this->get_h() - box_r * 2 - MARGIN;
 655         float corrected_position = channel_position;
 656         if(corrected_position < 0) corrected_position += 360;
 657         Units::polar_to_xy((float)corrected_position, real_w / 2, x, y);
 658         x += real_w / 2 + MARGIN / 2;
 659         y += real_h / 2 + MARGIN / 2;
 660         w = box_r * 2;
 661         h = box_r * 2;
 662         return 0;
 663 }
 664
 665 int SetChannelsCanvas::button_press_event()
 666 {
 667         if(!cursor_inside()) return 0;
 668 // get active channel
 669         for( int i = 0; i < thread->new_settings->session->audio_channels; i++ ) {
 670                 int x, y, w, h;
 671                 get_dimensions(thread->new_settings->session->achannel_positions[i], x, y, w, h);
 672                 if( get_cursor_x() > x && get_cursor_y() > y &&
 673                     get_cursor_x() < x + w && get_cursor_y() < y + h ) {
 674                         active_channel = i;
 675                         degree_offset = (int)Units::xy_to_polar(get_cursor_x() - this->get_w() / 2, get_cursor_y() - this->get_h() / 2);
 676                         degree_offset += 90;
 677                         if(degree_offset >= 360) degree_offset -= 360;
 678                         degree_offset -= thread->new_settings->session->achannel_positions[i];
 679                         draw(thread->new_settings->session->achannel_positions[i]);
 680                         return 1;
 681                 }
 682         }
 683         return 0;
 684 }
 685
 686 int SetChannelsCanvas::button_release_event()
 687 {
 688         if(active_channel >= 0)
 689         {
 690                 active_channel = -1;
 691                 draw(-1);
 692                 return 1;
 693         }
 694         return 0;
 695 }
 696
 697 int SetChannelsCanvas::cursor_motion_event()
 698 {
 699         if(active_channel >= 0)
 700         {
 701 // get degrees of new channel
 702                 int new_d;
 703                 new_d = (int)Units::xy_to_polar(get_cursor_x() - this->get_w() / 2, get_cursor_y() - this->get_h() / 2);
 704                 new_d += 90;
 705                 new_d -= degree_offset;
 706
 707                 while(new_d >= 360) new_d -= 360;
 708                 while(new_d < 0) new_d += 360;
 709
 710                 if(thread->new_settings->session->achannel_positions[active_channel] != new_d)
 711                 {
 712                         thread->new_settings->session->achannel_positions[active_channel] = new_d;
 713                         int new_channels = thread->new_settings->session->audio_channels;
 714                         memcpy(&thread->mwindow->preferences->channel_positions[new_channels - 1],
 715                                 thread->new_settings->session->achannel_positions,
 716                                 sizeof(thread->mwindow->preferences->channel_positions[new_channels - 1]));
 717                         draw(thread->new_settings->session->achannel_positions[active_channel]);
 718                 }
 719                 return 1;
 720         }
 721         return 0;
 722 }
 723
 724
 725 SetFrameRateTextBox::SetFrameRateTextBox(SetFormatThread *thread, int x, int y)
 726  : BC_TextBox(x, y, 100, 1, (float)thread->new_settings->session->frame_rate)
 727 {
 728         this->thread = thread;
 729 }
 730
 731 int SetFrameRateTextBox::handle_event()
 732 {
 733         thread->new_settings->session->frame_rate = Units::atoframerate(get_text());
 734         return 1;
 735 }
 736
 737
 738 //
 739 // SetVChannels::SetVChannels(SetFormatThread *thread, int x, int y)
 740 //  : BC_TextBox(x, y, 100, 1, thread->channels)
 741 // {
 742 //      this->thread = thread;
 743 // }
 744 // int SetVChannels::handle_event()
 745 // {
 746 //      thread->channels = atol(get_text());
 747 //      return 1;
 748 // }
 749
 750
 751
 752
 753 ScaleSizeText::ScaleSizeText(int x, int y, SetFormatThread *thread, int *output)
 754  : BC_TextBox(x, y, 100, 1, *output)
 755 {
 756         this->thread = thread;
 757         this->output = output;
 758 }
 759 ScaleSizeText::~ScaleSizeText()
 760 {
 761 }
 762 int ScaleSizeText::handle_event()
 763 {
 764         *output = atol(get_text());
 765         *output /= 2;
 766         *output *= 2;
 767         if(*output <= 0) *output = 2;
 768         if(*output > 10000) *output = 10000;
 769         *output *= -1;
 770         thread->update_window();
 771         return 1;
 772 }
 773
 774
 775
 776 ScaleRatioText::ScaleRatioText(int x,
 777         int y,
 778         SetFormatThread *thread,
 779         float *output)
 780  : BC_TextBox(x, y, 100, 1, *output)
 781 {
 782         this->thread = thread;
 783         this->output = output;
 784 }
 785 ScaleRatioText::~ScaleRatioText()
 786 {
 787 }
 788 int ScaleRatioText::handle_event()
 789 {
 790         *output = atof(get_text());
 791         //if(*output <= 0) *output = 1;
 792         if(*output > 10000) *output = 10000;
 793         if(*output < -10000) *output = -10000;
 794         *output *= -1;
 795         thread->update_window();
 796         return 1;
 797 }
 798
 799
 800 ScaleAspectAuto::ScaleAspectAuto(int x, int y, SetFormatThread *thread)
 801  : BC_CheckBox(x, y, thread->auto_aspect, _("Auto"))
 802 {
 803         this->thread = thread;
 804 }
 805
 806 ScaleAspectAuto::~ScaleAspectAuto()
 807 {
 808 }
 809
 810 int ScaleAspectAuto::handle_event()
 811 {
 812         thread->auto_aspect = get_value();
 813         thread->update_aspect();
 814         return 1;
 815 }
 816
 817 ScaleAspectText::ScaleAspectText(int x, int y, SetFormatThread *thread, float *output)
 818  : BC_TextBox(x, y, 70, 1, *output)
 819 {
 820         this->output = output;
 821         this->thread = thread;
 822 }
 823 ScaleAspectText::~ScaleAspectText()
 824 {
 825 }
 826
 827 int ScaleAspectText::handle_event()
 828 {
 829         *output = atof(get_text());
 830         return 1;
 831 }
 832
 833
 834 SetFormatApply::SetFormatApply(int x, int y, SetFormatThread *thread)
 835  : BC_GenericButton(x, y, _("Apply"))
 836 {
 837         this->thread = thread;
 838 }
 839
 840 int SetFormatApply::handle_event()
 841 {
 842         thread->apply_changes();
 843         return 1;
 844 }
 845
 846
 847 FormatSwapExtents::FormatSwapExtents(MWindow *mwindow,
 848         SetFormatThread *thread,
 849         SetFormatWindow *gui,
 850         int x,
 851         int y)
 852  : BC_Button(x, y, mwindow->theme->get_image_set("swap_extents"))
 853 {
 854         this->mwindow = mwindow;
 855         this->thread = thread;
 856         this->gui = gui;
 857         set_tooltip(_("Swap dimensions"));
 858 }
 859
 860 int FormatSwapExtents::handle_event()
 861 {
 862         int w = thread->dimension[0];
 863         int h = thread->dimension[1];
 864         thread->dimension[0] = -h;
 865         gui->dimension[0]->update((int64_t)h);
 866         gui->dimension[1]->update((int64_t)w);
 867         thread->update_window();
 868         thread->dimension[1] = -w;
 869         thread->update_window();
 870         return 1;
 871 }
 872