src/wx/video_panel.cc

   1 /*
   2     Copyright (C) 2012-2020 Carl Hetherington <cth@carlh.net>
   3
   4     This file is part of DCP-o-matic.
   5
   6     DCP-o-matic 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     DCP-o-matic 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 DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 */
  20
  21 #include "filter_dialog.h"
  22 #include "video_panel.h"
  23 #include "wx_util.h"
  24 #include "content_colour_conversion_dialog.h"
  25 #include "content_widget.h"
  26 #include "content_panel.h"
  27 #include "static_text.h"
  28 #include "check_box.h"
  29 #include "custom_scale_dialog.h"
  30 #include "dcpomatic_button.h"
  31 #include "lib/filter.h"
  32 #include "lib/ffmpeg_content.h"
  33 #include "lib/colour_conversion.h"
  34 #include "lib/config.h"
  35 #include "lib/util.h"
  36 #include "lib/ratio.h"
  37 #include "lib/frame_rate_change.h"
  38 #include "lib/dcp_content.h"
  39 #include "lib/video_content.h"
  40 #include <wx/spinctrl.h>
  41 #include <wx/tglbtn.h>
  42 #include <boost/foreach.hpp>
  43 #include <boost/unordered_set.hpp>
  44 #include <boost/functional/hash.hpp>
  45 #include <set>
  46 #include <iostream>
  47
  48 using std::vector;
  49 using std::string;
  50 using std::pair;
  51 using std::cout;
  52 using std::list;
  53 using std::set;
  54 using boost::shared_ptr;
  55 using boost::dynamic_pointer_cast;
  56 using boost::bind;
  57 using boost::optional;
  58 using namespace dcpomatic;
  59
  60
  61 VideoPanel::VideoPanel (ContentPanel* p)
  62         : ContentSubPanel (p, _("Video"))
  63 {
  64         _reference = new CheckBox (this, _("Use this DCP's video as OV and make VF"));
  65         _reference_note = new StaticText (this, wxT(""));
  66         _reference_note->Wrap (200);
  67         wxFont font = _reference_note->GetFont();
  68         font.SetStyle(wxFONTSTYLE_ITALIC);
  69         font.SetPointSize(font.GetPointSize() - 1);
  70         _reference_note->SetFont(font);
  71
  72         _type_label = create_label (this, _("Type"), true);
  73         _frame_type = new ContentChoice<VideoContent, VideoFrameType> (
  74                 this,
  75                 new wxChoice (this, wxID_ANY),
  76                 VideoContentProperty::FRAME_TYPE,
  77                 &Content::video,
  78                 boost::mem_fn (&VideoContent::frame_type),
  79                 boost::mem_fn (&VideoContent::set_frame_type),
  80                 &caster<int, VideoFrameType>,
  81                 &caster<VideoFrameType, int>
  82                 );
  83
  84         _crop_label = create_label (this, _("Crop"), true);
  85
  86         int const crop_width = 56;
  87         int const link_height = 28;
  88
  89         _left_crop_label = create_label (this, _("Left"), true);
  90         _left_crop = new ContentSpinCtrl<VideoContent> (
  91                 this,
  92                 new wxSpinCtrl (this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize(crop_width, -1)),
  93                 VideoContentProperty::CROP,
  94                 &Content::video,
  95                 boost::mem_fn (&VideoContent::left_crop),
  96                 boost::mem_fn (&VideoContent::set_left_crop),
  97                 boost::bind (&VideoPanel::left_crop_changed, this)
  98                 );
  99
 100         _left_right_link = new wxToggleButton (this, wxID_ANY, wxT(""), wxDefaultPosition, wxSize(22, link_height));
 101         _left_right_link->SetBitmap (wxBitmap(bitmap_path("link"), wxBITMAP_TYPE_PNG));
 102
 103         _right_crop_label = create_label (this, _("Right"), true);
 104         _right_crop = new ContentSpinCtrl<VideoContent> (
 105                 this,
 106                 new wxSpinCtrl (this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize(crop_width, -1)),
 107                 VideoContentProperty::CROP,
 108                 &Content::video,
 109                 boost::mem_fn (&VideoContent::right_crop),
 110                 boost::mem_fn (&VideoContent::set_right_crop),
 111                 boost::bind (&VideoPanel::right_crop_changed, this)
 112                 );
 113
 114         _top_crop_label = create_label (this, _("Top"), true);
 115         _top_crop = new ContentSpinCtrl<VideoContent> (
 116                 this,
 117                 new wxSpinCtrl (this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize(crop_width, -1)),
 118                 VideoContentProperty::CROP,
 119                 &Content::video,
 120                 boost::mem_fn (&VideoContent::top_crop),
 121                 boost::mem_fn (&VideoContent::set_top_crop),
 122                 boost::bind (&VideoPanel::top_crop_changed, this)
 123                 );
 124
 125         _top_bottom_link = new wxToggleButton (this, wxID_ANY, wxT(""), wxDefaultPosition, wxSize(22, link_height));
 126         _top_bottom_link->SetBitmap (wxBitmap(bitmap_path("link"), wxBITMAP_TYPE_PNG));
 127
 128         _bottom_crop_label = create_label (this, _("Bottom"), true);
 129         _bottom_crop = new ContentSpinCtrl<VideoContent> (
 130                 this,
 131                 new wxSpinCtrl (this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize(crop_width, -1)),
 132                 VideoContentProperty::CROP,
 133                 &Content::video,
 134                 boost::mem_fn (&VideoContent::bottom_crop),
 135                 boost::mem_fn (&VideoContent::set_bottom_crop),
 136                 boost::bind (&VideoPanel::bottom_crop_changed, this)
 137                 );
 138
 139         _fade_in_label = create_label (this, _("Fade in"), true);
 140         _fade_in = new Timecode<ContentTime> (this);
 141
 142         _fade_out_label = create_label (this, _("Fade out"), true);
 143         _fade_out = new Timecode<ContentTime> (this);
 144
 145         wxClientDC dc (this);
 146         wxSize size = dc.GetTextExtent (wxT ("A quite long name"));
 147         size.SetHeight (-1);
 148
 149         _scale_label = create_label (this, _("Scale"), true);
 150         _scale_fit = new wxRadioButton (this, wxID_ANY, _("to fit DCP"));
 151         _scale_custom = new wxRadioButton (this, wxID_ANY, _("custom"), wxDefaultPosition, size);
 152         _scale_custom_edit = new Button (this, _("Edit..."));
 153
 154         _filters_label = create_label (this, _("Filters"), true);
 155         _filters = new StaticText (this, _("None"), wxDefaultPosition, size);
 156         _filters_button = new Button (this, _("Edit..."));
 157
 158         _colour_conversion_label = create_label (this, _("Colour conversion"), true);
 159         _colour_conversion = new wxChoice (this, wxID_ANY, wxDefaultPosition, size);
 160         _colour_conversion->Append (_("None"));
 161         BOOST_FOREACH (PresetColourConversion const & i, PresetColourConversion::all()) {
 162                 _colour_conversion->Append (std_to_wx (i.name));
 163         }
 164
 165         /// TRANSLATORS: translate the word "Custom" here; do not include the "Colour|" prefix
 166         _colour_conversion->Append (S_("Colour|Custom"));
 167         _edit_colour_conversion_button = new Button (this, _("Edit..."));
 168
 169         _range_label = create_label (this, _("Range"), true);
 170         _range = new wxChoice (this, wxID_ANY);
 171         _range->Append (_("Full (JPEG, 0-255)"));
 172         _range->Append (_("Video (MPEG, 16-235)"));
 173
 174         _description = new StaticText (this, wxT ("\n \n \n \n \n"), wxDefaultPosition, wxDefaultSize);
 175         _description->SetFont(font);
 176
 177         _left_crop->wrapped()->SetRange (0, 4096);
 178         _top_crop->wrapped()->SetRange (0, 4096);
 179         _right_crop->wrapped()->SetRange (0, 4096);
 180         _bottom_crop->wrapped()->SetRange (0, 4096);
 181
 182         _frame_type->wrapped()->Append (_("2D"));
 183         _frame_type->wrapped()->Append (_("3D"));
 184         _frame_type->wrapped()->Append (_("3D left/right"));
 185         _frame_type->wrapped()->Append (_("3D top/bottom"));
 186         _frame_type->wrapped()->Append (_("3D alternate"));
 187         _frame_type->wrapped()->Append (_("3D left only"));
 188         _frame_type->wrapped()->Append (_("3D right only"));
 189
 190         content_selection_changed ();
 191
 192         _fade_in->Changed.connect (boost::bind (&VideoPanel::fade_in_changed, this));
 193         _fade_out->Changed.connect (boost::bind (&VideoPanel::fade_out_changed, this));
 194
 195         _reference->Bind                     (wxEVT_CHECKBOX, boost::bind (&VideoPanel::reference_clicked, this));
 196         _filters_button->Bind                (wxEVT_BUTTON,   boost::bind (&VideoPanel::edit_filters_clicked, this));
 197         _scale_fit->Bind                     (wxEVT_RADIOBUTTON, boost::bind (&VideoPanel::scale_fit_clicked, this));
 198         _scale_custom->Bind                  (wxEVT_RADIOBUTTON, boost::bind (&VideoPanel::scale_custom_clicked, this));
 199         _scale_custom_edit->Bind             (wxEVT_BUTTON,   boost::bind (&VideoPanel::scale_custom_edit_clicked, this));
 200         _colour_conversion->Bind             (wxEVT_CHOICE,   boost::bind (&VideoPanel::colour_conversion_changed, this));
 201         _range->Bind                         (wxEVT_CHOICE,   boost::bind (&VideoPanel::range_changed, this));
 202         _edit_colour_conversion_button->Bind (wxEVT_BUTTON,   boost::bind (&VideoPanel::edit_colour_conversion_clicked, this));
 203         _left_right_link->Bind               (wxEVT_TOGGLEBUTTON, boost::bind(&VideoPanel::left_right_link_clicked, this));
 204         _top_bottom_link->Bind               (wxEVT_TOGGLEBUTTON, boost::bind(&VideoPanel::top_bottom_link_clicked, this));
 205
 206         add_to_grid ();
 207 }
 208
 209 void
 210 VideoPanel::add_to_grid ()
 211 {
 212         bool const full = Config::instance()->interface_complexity() == Config::INTERFACE_FULL;
 213
 214         int r = 0;
 215
 216         _reference->Show (full);
 217         _reference_note->Show (full && !_reference_note->GetLabel().IsEmpty());
 218
 219         if (full) {
 220                 wxBoxSizer* reference_sizer = new wxBoxSizer (wxVERTICAL);
 221                 reference_sizer->Add (_reference, 0);
 222                 reference_sizer->Add (_reference_note, 0);
 223                 _grid->Add (reference_sizer, wxGBPosition(r, 0), wxGBSpan(1, 3));
 224                 ++r;
 225         }
 226
 227         add_label_to_sizer (_grid, _type_label, true, wxGBPosition(r, 0));
 228         _frame_type->add (_grid, wxGBPosition(r, 1), wxGBSpan(1, 2));
 229         ++r;
 230
 231         int cr = 0;
 232         wxGridBagSizer* crop = new wxGridBagSizer (DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
 233         add_label_to_sizer (crop, _left_crop_label, true, wxGBPosition (cr, 0));
 234         _left_crop->add (crop, wxGBPosition (cr, 1));
 235         crop->Add (_left_right_link, wxGBPosition(cr, 2));
 236         add_label_to_sizer (crop, _right_crop_label, true, wxGBPosition (cr, 3));
 237         _right_crop->add (crop, wxGBPosition (cr, 4));
 238         ++cr;
 239         add_label_to_sizer (crop, _top_crop_label, true, wxGBPosition (cr, 0));
 240         _top_crop->add (crop, wxGBPosition (cr, 1));
 241         crop->Add (_top_bottom_link, wxGBPosition(cr, 2));
 242         add_label_to_sizer (crop, _bottom_crop_label, true, wxGBPosition (cr, 3));
 243         _bottom_crop->add (crop, wxGBPosition (cr, 4));
 244         add_label_to_sizer (_grid, _crop_label, true, wxGBPosition(r, 0));
 245         _grid->Add (crop, wxGBPosition(r, 1));
 246         ++r;
 247
 248         _scale_label->Show (full);
 249         _scale_fit->Show (full);
 250         _scale_custom->Show (full);
 251         _scale_custom_edit->Show (full);
 252         _filters_label->Show (full);
 253         _filters->Show (full);
 254         _filters_button->Show (full);
 255         _colour_conversion_label->Show (full);
 256         _colour_conversion->Show (full);
 257         _edit_colour_conversion_button->Show (full);
 258         _range_label->Show (full);
 259         _range->Show (full);
 260
 261         add_label_to_sizer (_grid, _fade_in_label, true, wxGBPosition (r, 0));
 262         _grid->Add (_fade_in, wxGBPosition (r, 1), wxGBSpan (1, 3));
 263         ++r;
 264
 265         add_label_to_sizer (_grid, _fade_out_label, true, wxGBPosition (r, 0));
 266         _grid->Add (_fade_out, wxGBPosition (r, 1), wxGBSpan (1, 3));
 267         ++r;
 268
 269         if (full) {
 270                 add_label_to_sizer (_grid, _scale_label, true, wxGBPosition (r, 0));
 271                 {
 272                         wxSizer* v = new wxBoxSizer (wxVERTICAL);
 273                         v->Add (_scale_fit, 0, wxBOTTOM, 4);
 274                         wxSizer* h = new wxBoxSizer (wxHORIZONTAL);
 275                         h->Add (_scale_custom, 1, wxRIGHT, 6);
 276                         h->Add (_scale_custom_edit, 0);
 277                         v->Add (h, 0);
 278                         _grid->Add (v, wxGBPosition(r, 1));
 279                 }
 280                 ++r;
 281
 282                 add_label_to_sizer (_grid, _filters_label, true, wxGBPosition (r, 0));
 283                 {
 284                         wxSizer* s = new wxBoxSizer (wxHORIZONTAL);
 285                         s->Add (_filters, 1, wxALIGN_CENTER_VERTICAL | wxTOP | wxBOTTOM | wxRIGHT, 6);
 286                         s->Add (_filters_button, 0, wxALIGN_CENTER_VERTICAL);
 287                         _grid->Add (s, wxGBPosition (r, 1), wxDefaultSpan, wxALIGN_CENTER_VERTICAL);
 288                 }
 289                 ++r;
 290
 291                 add_label_to_sizer (_grid, _colour_conversion_label, true, wxGBPosition(r, 0));
 292                 {
 293                         wxSizer* s = new wxBoxSizer (wxHORIZONTAL);
 294                         s->Add (_colour_conversion, 1, wxALIGN_CENTER_VERTICAL | wxTOP | wxBOTTOM | wxRIGHT, 6);
 295                         s->Add (_edit_colour_conversion_button, 0, wxALIGN_CENTER_VERTICAL);
 296                         _grid->Add (s, wxGBPosition (r, 1), wxDefaultSpan, wxALIGN_CENTER_VERTICAL);
 297                 }
 298                 ++r;
 299
 300                 add_label_to_sizer (_grid, _range_label, true, wxGBPosition(r, 0));
 301                 _grid->Add (_range, wxGBPosition(r, 1), wxGBSpan(1, 2), wxALIGN_CENTER_VERTICAL);
 302                 ++r;
 303         }
 304
 305         _grid->Add (_description, wxGBPosition (r, 0), wxGBSpan (1, 4), wxEXPAND | wxALIGN_CENTER_VERTICAL, 6);
 306         ++r;
 307 }
 308
 309 void
 310 VideoPanel::range_changed ()
 311 {
 312         ContentList vc = _parent->selected_video ();
 313         if (vc.size() != 1) {
 314                 return;
 315         }
 316
 317         switch (_range->GetSelection()) {
 318         case 0:
 319                 vc.front()->video->set_range (VIDEO_RANGE_FULL);
 320                 break;
 321         case 1:
 322                 vc.front()->video->set_range (VIDEO_RANGE_VIDEO);
 323                 break;
 324         default:
 325                 DCPOMATIC_ASSERT (false);
 326         }
 327 }
 328
 329
 330 void
 331 VideoPanel::film_changed (Film::Property property)
 332 {
 333         switch (property) {
 334         case Film::VIDEO_FRAME_RATE:
 335         case Film::CONTAINER:
 336         case Film::RESOLUTION:
 337                 setup_description ();
 338                 setup_sensitivity ();
 339                 break;
 340         case Film::REEL_TYPE:
 341         case Film::INTEROP:
 342                 setup_sensitivity ();
 343                 break;
 344         default:
 345                 break;
 346         }
 347 }
 348
 349 std::size_t
 350 hash_value (boost::optional<ColourConversion> const & c)
 351 {
 352         boost::hash<string> hasher;
 353         if (!c) {
 354                 return hasher ("none");
 355         }
 356         return hasher (c->identifier());
 357 }
 358
 359
 360 void
 361 VideoPanel::film_content_changed (int property)
 362 {
 363         ContentList vc = _parent->selected_video ();
 364         shared_ptr<Content> vcs;
 365         shared_ptr<FFmpegContent> fcs;
 366         if (!vc.empty ()) {
 367                 vcs = vc.front ();
 368                 fcs = dynamic_pointer_cast<FFmpegContent> (vcs);
 369         }
 370
 371         if (property == ContentProperty::VIDEO_FRAME_RATE ||
 372             property == VideoContentProperty::FRAME_TYPE ||
 373             property == VideoContentProperty::CROP ||
 374             property == VideoContentProperty::SCALE) {
 375                 setup_description ();
 376         } else if (property == VideoContentProperty::COLOUR_CONVERSION) {
 377                 boost::unordered_set<optional<ColourConversion> > check;
 378                 BOOST_FOREACH (shared_ptr<const Content> i, vc) {
 379                         check.insert (i->video->colour_conversion());
 380                 }
 381
 382                 /* Remove any "Many" entry that we might have added previously.  There should
 383                  * be entries for each preset plus one for "None" and one for "Custom".
 384                  */
 385                 vector<PresetColourConversion> cc = PresetColourConversion::all ();
 386                 if (_colour_conversion->GetCount() > cc.size() + 2) {
 387                         _colour_conversion->Delete (_colour_conversion->GetCount() - 1);
 388                 }
 389
 390                 if (check.size() == 1) {
 391                         if (vcs && vcs->video->colour_conversion ()) {
 392                                 optional<size_t> preset = vcs->video->colour_conversion().get().preset ();
 393                                 if (preset) {
 394                                         checked_set (_colour_conversion, preset.get() + 1);
 395                                 } else {
 396                                         checked_set (_colour_conversion, cc.size() + 1);
 397                                 }
 398                         } else {
 399                                 checked_set (_colour_conversion, 0);
 400                         }
 401                 } else if (check.size() > 1) {
 402                         /* Add a "many" entry and select it as an indication that multiple different
 403                          * colour conversions are present in the selection.
 404                          */
 405                         _colour_conversion->Append (_("Many"));
 406                         checked_set (_colour_conversion, _colour_conversion->GetCount() - 1);
 407                 }
 408
 409                 setup_sensitivity ();
 410
 411         } else if (property == FFmpegContentProperty::FILTERS) {
 412                 if (fcs) {
 413                         string p = Filter::ffmpeg_string (fcs->filters ());
 414                         if (p.empty ()) {
 415                                 checked_set (_filters, _("None"));
 416                         } else {
 417                                 if (p.length() > 25) {
 418                                         p = p.substr (0, 25) + "...";
 419                                 }
 420                                 checked_set (_filters, p);
 421                         }
 422                 }
 423         } else if (property == VideoContentProperty::USE) {
 424                 setup_sensitivity ();
 425         } else if (property == VideoContentProperty::FADE_IN) {
 426                 set<Frame> check;
 427                 BOOST_FOREACH (shared_ptr<const Content> i, vc) {
 428                         check.insert (i->video->fade_in ());
 429                 }
 430
 431                 if (check.size() == 1) {
 432                         _fade_in->set (
 433                                 ContentTime::from_frames (vc.front()->video->fade_in(), vc.front()->active_video_frame_rate(_parent->film())),
 434                                 vc.front()->active_video_frame_rate(_parent->film())
 435                                 );
 436                 } else {
 437                         _fade_in->clear ();
 438                 }
 439         } else if (property == VideoContentProperty::FADE_OUT) {
 440                 set<Frame> check;
 441                 BOOST_FOREACH (shared_ptr<const Content> i, vc) {
 442                         check.insert (i->video->fade_out ());
 443                 }
 444
 445                 if (check.size() == 1) {
 446                         _fade_out->set (
 447                                 ContentTime::from_frames (vc.front()->video->fade_out(), vc.front()->active_video_frame_rate(_parent->film())),
 448                                 vc.front()->active_video_frame_rate(_parent->film())
 449                                 );
 450                 } else {
 451                         _fade_out->clear ();
 452                 }
 453         } else if (property == DCPContentProperty::REFERENCE_VIDEO) {
 454                 if (vc.size() == 1) {
 455                         shared_ptr<DCPContent> dcp = dynamic_pointer_cast<DCPContent> (vc.front ());
 456                         checked_set (_reference, dcp ? dcp->reference_video () : false);
 457                 } else {
 458                         checked_set (_reference, false);
 459                 }
 460
 461                 setup_sensitivity ();
 462         } else if (property == VideoContentProperty::RANGE) {
 463                 if (vcs) {
 464                         checked_set (_range, vcs->video->range() == VIDEO_RANGE_FULL ? 0 : 1);
 465                 } else {
 466                         checked_set (_range, 0);
 467                 }
 468
 469                 setup_sensitivity ();
 470         } else if (property == VideoContentProperty::CUSTOM_RATIO || property == VideoContentProperty::CUSTOM_SIZE) {
 471                 set<Frame> check;
 472                 BOOST_FOREACH (shared_ptr<const Content> i, vc) {
 473                         check.insert (i->video->custom_ratio() || i->video->custom_size());
 474                 }
 475
 476                 if (check.size() == 1) {
 477                         checked_set (_scale_fit, !vc.front()->video->custom_ratio() && !vc.front()->video->custom_size());
 478                         checked_set (_scale_custom, vc.front()->video->custom_ratio() || vc.front()->video->custom_size());
 479                 } else {
 480                         checked_set (_scale_fit, true);
 481                         checked_set (_scale_custom, false);
 482                 }
 483                 setup_sensitivity ();
 484         }
 485 }
 486
 487 /** Called when the `Edit filters' button has been clicked */
 488 void
 489 VideoPanel::edit_filters_clicked ()
 490 {
 491         FFmpegContentList c = _parent->selected_ffmpeg ();
 492         if (c.size() != 1) {
 493                 return;
 494         }
 495
 496         FilterDialog* d = new FilterDialog (this, c.front()->filters());
 497         d->ActiveChanged.connect (bind (&FFmpegContent::set_filters, c.front(), _1));
 498         d->ShowModal ();
 499         d->Destroy ();
 500 }
 501
 502 void
 503 VideoPanel::setup_description ()
 504 {
 505         ContentList vc = _parent->selected_video ();
 506         if (vc.empty ()) {
 507                 checked_set (_description, wxT (""));
 508                 return;
 509         } else if (vc.size() > 1) {
 510                 checked_set (_description, _("Multiple content selected"));
 511                 return;
 512         }
 513
 514         string d = vc.front()->video->processing_description (_parent->film());
 515         size_t lines = count (d.begin(), d.end(), '\n');
 516
 517         for (int i = lines; i < 6; ++i) {
 518                 d += "\n ";
 519         }
 520
 521         checked_set (_description, d);
 522         _sizer->Layout ();
 523 }
 524
 525 void
 526 VideoPanel::colour_conversion_changed ()
 527 {
 528         ContentList vc = _parent->selected_video ();
 529
 530         int const s = _colour_conversion->GetSelection ();
 531         vector<PresetColourConversion> all = PresetColourConversion::all ();
 532
 533         if (s == int(all.size() + 1)) {
 534                 edit_colour_conversion_clicked ();
 535         } else {
 536                 BOOST_FOREACH (shared_ptr<Content> i, _parent->selected_video()) {
 537                         if (s == 0) {
 538                                 i->video->unset_colour_conversion ();
 539                         } else if (s != int(all.size() + 2)) {
 540                                 i->video->set_colour_conversion (all[s - 1].conversion);
 541                         }
 542                 }
 543         }
 544 }
 545
 546 void
 547 VideoPanel::edit_colour_conversion_clicked ()
 548 {
 549         ContentList vc = _parent->selected_video ();
 550
 551         ContentColourConversionDialog* d = new ContentColourConversionDialog (this, vc.front()->video->yuv ());
 552         d->set (vc.front()->video->colour_conversion().get_value_or (PresetColourConversion::all().front().conversion));
 553         if (d->ShowModal() == wxID_OK) {
 554                 BOOST_FOREACH (shared_ptr<Content> i, vc) {
 555                         i->video->set_colour_conversion (d->get ());
 556                 }
 557         } else {
 558                 /* Reset the colour conversion choice */
 559                 film_content_changed (VideoContentProperty::COLOUR_CONVERSION);
 560         }
 561         d->Destroy ();
 562 }
 563
 564 void
 565 VideoPanel::content_selection_changed ()
 566 {
 567         ContentList video_sel = _parent->selected_video ();
 568
 569         _frame_type->set_content (video_sel);
 570         _left_crop->set_content (video_sel);
 571         _right_crop->set_content (video_sel);
 572         _top_crop->set_content (video_sel);
 573         _bottom_crop->set_content (video_sel);
 574
 575         film_content_changed (ContentProperty::VIDEO_FRAME_RATE);
 576         film_content_changed (VideoContentProperty::CROP);
 577         film_content_changed (VideoContentProperty::COLOUR_CONVERSION);
 578         film_content_changed (VideoContentProperty::FADE_IN);
 579         film_content_changed (VideoContentProperty::FADE_OUT);
 580         film_content_changed (VideoContentProperty::RANGE);
 581         film_content_changed (VideoContentProperty::USE);
 582         film_content_changed (VideoContentProperty::CUSTOM_RATIO);
 583         film_content_changed (VideoContentProperty::CUSTOM_SIZE);
 584         film_content_changed (FFmpegContentProperty::FILTERS);
 585         film_content_changed (DCPContentProperty::REFERENCE_VIDEO);
 586
 587         setup_sensitivity ();
 588 }
 589
 590 void
 591 VideoPanel::setup_sensitivity ()
 592 {
 593         ContentList sel = _parent->selected ();
 594
 595         shared_ptr<DCPContent> dcp;
 596         if (sel.size() == 1) {
 597                 dcp = dynamic_pointer_cast<DCPContent> (sel.front ());
 598         }
 599
 600         string why_not;
 601         bool const can_reference = dcp && dcp->can_reference_video (_parent->film(), why_not);
 602         wxString cannot;
 603         if (why_not.empty()) {
 604                 cannot = _("Cannot reference this DCP's video.");
 605         } else {
 606                 cannot = _("Cannot reference this DCP's video: ") + std_to_wx(why_not);
 607         }
 608         setup_refer_button (_reference, _reference_note, dcp, can_reference, cannot);
 609
 610         bool any_use = false;
 611         BOOST_FOREACH (shared_ptr<Content> i, _parent->selected_video()) {
 612                 if (i->video && i->video->use()) {
 613                         any_use = true;
 614                 }
 615         }
 616
 617         bool const enable = !_reference->GetValue() && any_use;
 618
 619         if (!enable) {
 620                 _frame_type->wrapped()->Enable (false);
 621                 _left_crop->wrapped()->Enable (false);
 622                 _right_crop->wrapped()->Enable (false);
 623                 _top_crop->wrapped()->Enable (false);
 624                 _bottom_crop->wrapped()->Enable (false);
 625                 _fade_in->Enable (false);
 626                 _fade_out->Enable (false);
 627                 _scale_fit->Enable (false);
 628                 _scale_custom->Enable (false);
 629                 _scale_custom_edit->Enable (false);
 630                 _description->Enable (false);
 631                 _filters->Enable (false);
 632                 _filters_button->Enable (false);
 633                 _colour_conversion->Enable (false);
 634                 _range->Enable (false);
 635         } else {
 636                 ContentList video_sel = _parent->selected_video ();
 637                 FFmpegContentList ffmpeg_sel = _parent->selected_ffmpeg ();
 638                 bool const single = video_sel.size() == 1;
 639
 640                 _frame_type->wrapped()->Enable (true);
 641                 _left_crop->wrapped()->Enable (true);
 642                 _right_crop->wrapped()->Enable (true);
 643                 _top_crop->wrapped()->Enable (true);
 644                 _bottom_crop->wrapped()->Enable (true);
 645                 _fade_in->Enable (!video_sel.empty ());
 646                 _fade_out->Enable (!video_sel.empty ());
 647                 _scale_fit->Enable (true);
 648                 _scale_custom->Enable (true);
 649                 _scale_custom_edit->Enable (_scale_custom->GetValue());
 650                 _description->Enable (true);
 651                 _filters->Enable (true);
 652                 _filters_button->Enable (single && !ffmpeg_sel.empty ());
 653                 _colour_conversion->Enable (!video_sel.empty());
 654                 _range->Enable (single && !video_sel.empty());
 655         }
 656
 657         ContentList vc = _parent->selected_video ();
 658         shared_ptr<Content> vcs;
 659         if (!vc.empty ()) {
 660                 vcs = vc.front ();
 661         }
 662
 663         if (vcs && vcs->video->colour_conversion ()) {
 664                 _edit_colour_conversion_button->Enable (!vcs->video->colour_conversion().get().preset());
 665         } else {
 666                 _edit_colour_conversion_button->Enable (false);
 667         }
 668 }
 669
 670 void
 671 VideoPanel::fade_in_changed ()
 672 {
 673         BOOST_FOREACH (shared_ptr<Content> i, _parent->selected_video ()) {
 674                 double const vfr = i->active_video_frame_rate (_parent->film());
 675                 i->video->set_fade_in (_fade_in->get(vfr).frames_round(vfr));
 676         }
 677 }
 678
 679 void
 680 VideoPanel::fade_out_changed ()
 681 {
 682         BOOST_FOREACH (shared_ptr<Content> i, _parent->selected_video ()) {
 683                 double const vfr = i->active_video_frame_rate (_parent->film());
 684                 i->video->set_fade_out (_fade_out->get(vfr).frames_round(vfr));
 685         }
 686 }
 687
 688
 689 void
 690 VideoPanel::reference_clicked ()
 691 {
 692         ContentList c = _parent->selected ();
 693         if (c.size() != 1) {
 694                 return;
 695         }
 696
 697         shared_ptr<DCPContent> d = dynamic_pointer_cast<DCPContent> (c.front ());
 698         if (!d) {
 699                 return;
 700         }
 701
 702         d->set_reference_video (_reference->GetValue ());
 703 }
 704
 705
 706 void
 707 VideoPanel::scale_fit_clicked ()
 708 {
 709         BOOST_FOREACH (shared_ptr<Content> i, _parent->selected_video()) {
 710                 i->video->set_custom_ratio (optional<float>());
 711         }
 712 }
 713
 714
 715 void
 716 VideoPanel::scale_custom_clicked ()
 717 {
 718         if (!scale_custom_edit_clicked()) {
 719                 _scale_fit->SetValue (true);
 720         }
 721 }
 722
 723
 724 bool
 725 VideoPanel::scale_custom_edit_clicked ()
 726 {
 727         shared_ptr<const VideoContent> vc = _parent->selected_video().front()->video;
 728         CustomScaleDialog* d = new CustomScaleDialog (this, vc->size(), _parent->film()->frame_size(), vc->custom_ratio(), vc->custom_size());
 729         int const r = d->ShowModal ();
 730         if (r == wxID_OK) {
 731                 BOOST_FOREACH (shared_ptr<Content> i, _parent->selected_video()) {
 732                         i->video->set_custom_ratio (d->custom_ratio());
 733                         i->video->set_custom_size (d->custom_size());
 734                 }
 735         }
 736         d->Destroy ();
 737         return r == wxID_OK;
 738 }
 739
 740
 741 void
 742 VideoPanel::left_right_link_clicked ()
 743 {
 744         right_crop_changed ();
 745 }
 746
 747
 748 void
 749 VideoPanel::top_bottom_link_clicked ()
 750 {
 751         bottom_crop_changed ();
 752 }
 753
 754
 755 void
 756 VideoPanel::left_crop_changed ()
 757 {
 758         if (_left_right_link->GetValue()) {
 759                 BOOST_FOREACH (shared_ptr<Content> i, _parent->selected_video()) {
 760                         i->video->set_right_crop (i->video->left_crop());
 761                 }
 762         }
 763 }
 764
 765
 766 void
 767 VideoPanel::right_crop_changed ()
 768 {
 769         if (_left_right_link->GetValue()) {
 770                 BOOST_FOREACH (shared_ptr<Content> i, _parent->selected_video()) {
 771                         i->video->set_left_crop (i->video->right_crop());
 772                 }
 773         }
 774 }
 775
 776
 777 void
 778 VideoPanel::top_crop_changed ()
 779 {
 780         if (_top_bottom_link->GetValue()) {
 781                 BOOST_FOREACH (shared_ptr<Content> i, _parent->selected_video()) {
 782                         i->video->set_bottom_crop (i->video->top_crop());
 783                 }
 784         }
 785 }
 786
 787
 788 void
 789 VideoPanel::bottom_crop_changed ()
 790 {
 791         if (_top_bottom_link->GetValue()) {
 792                 BOOST_FOREACH (shared_ptr<Content> i, _parent->selected_video()) {
 793                         i->video->set_top_crop (i->video->bottom_crop());
 794                 }
 795         }
 796 }
 797
 798
 799