src/wx/video_panel.cc

   1 /*
   2     Copyright (C) 2012-2018 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 "dcpomatic_button.h"
  30 #include "lib/filter.h"
  31 #include "lib/ffmpeg_content.h"
  32 #include "lib/colour_conversion.h"
  33 #include "lib/config.h"
  34 #include "lib/util.h"
  35 #include "lib/ratio.h"
  36 #include "lib/frame_rate_change.h"
  37 #include "lib/dcp_content.h"
  38 #include "lib/video_content.h"
  39 #include <wx/spinctrl.h>
  40 #include <boost/foreach.hpp>
  41 #include <boost/unordered_set.hpp>
  42 #include <boost/functional/hash.hpp>
  43 #include <set>
  44 #include <iostream>
  45
  46 using std::vector;
  47 using std::string;
  48 using std::pair;
  49 using std::cout;
  50 using std::list;
  51 using std::set;
  52 using boost::shared_ptr;
  53 using boost::dynamic_pointer_cast;
  54 using boost::bind;
  55 using boost::optional;
  56 using namespace dcpomatic;
  57
  58 static VideoContentScale
  59 index_to_scale (int n)
  60 {
  61         vector<VideoContentScale> scales = VideoContentScale::all ();
  62         DCPOMATIC_ASSERT (n >= 0);
  63         DCPOMATIC_ASSERT (n < int (scales.size ()));
  64         return scales[n];
  65 }
  66
  67 static int
  68 scale_to_index (VideoContentScale scale)
  69 {
  70         vector<VideoContentScale> scales = VideoContentScale::all ();
  71         for (size_t i = 0; i < scales.size(); ++i) {
  72                 if (scales[i] == scale) {
  73                         return i;
  74                 }
  75         }
  76
  77         DCPOMATIC_ASSERT (false);
  78 }
  79
  80 VideoPanel::VideoPanel (ContentPanel* p)
  81         : ContentSubPanel (p, _("Video"))
  82 {
  83         _reference = new CheckBox (this, _("Use this DCP's video as OV and make VF"));
  84         _reference_note = new StaticText (this, wxT(""));
  85         _reference_note->Wrap (200);
  86         wxFont font = _reference_note->GetFont();
  87         font.SetStyle(wxFONTSTYLE_ITALIC);
  88         font.SetPointSize(font.GetPointSize() - 1);
  89         _reference_note->SetFont(font);
  90
  91         _use = new wxCheckBox (this, wxID_ANY, _("Use"));
  92
  93         _type_label = create_label (this, _("Type"), true);
  94         _frame_type = new ContentChoice<VideoContent, VideoFrameType> (
  95                 this,
  96                 new wxChoice (this, wxID_ANY),
  97                 VideoContentProperty::FRAME_TYPE,
  98                 &Content::video,
  99                 boost::mem_fn (&VideoContent::frame_type),
 100                 boost::mem_fn (&VideoContent::set_frame_type),
 101                 &caster<int, VideoFrameType>,
 102                 &caster<VideoFrameType, int>
 103                 );
 104
 105         _left_crop_label = create_label (this, _("Left crop"), true);
 106         _left_crop = new ContentSpinCtrl<VideoContent> (
 107                 this,
 108                 new wxSpinCtrl (this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize (64, -1)),
 109                 VideoContentProperty::CROP,
 110                 &Content::video,
 111                 boost::mem_fn (&VideoContent::left_crop),
 112                 boost::mem_fn (&VideoContent::set_left_crop)
 113                 );
 114
 115         _right_crop_label = create_label (this, _("Right crop"), true);
 116         _right_crop = new ContentSpinCtrl<VideoContent> (
 117                 this,
 118                 new wxSpinCtrl (this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize (64, -1)),
 119                 VideoContentProperty::CROP,
 120                 &Content::video,
 121                 boost::mem_fn (&VideoContent::right_crop),
 122                 boost::mem_fn (&VideoContent::set_right_crop)
 123                 );
 124
 125         _top_crop_label = create_label (this, _("Top crop"), true);
 126         _top_crop = new ContentSpinCtrl<VideoContent> (
 127                 this,
 128                 new wxSpinCtrl (this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize (64, -1)),
 129                 VideoContentProperty::CROP,
 130                 &Content::video,
 131                 boost::mem_fn (&VideoContent::top_crop),
 132                 boost::mem_fn (&VideoContent::set_top_crop)
 133                 );
 134
 135         _bottom_crop_label = create_label (this, _("Bottom crop"), true);
 136         _bottom_crop = new ContentSpinCtrl<VideoContent> (
 137                 this,
 138                 new wxSpinCtrl (this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize (64, -1)),
 139                 VideoContentProperty::CROP,
 140                 &Content::video,
 141                 boost::mem_fn (&VideoContent::bottom_crop),
 142                 boost::mem_fn (&VideoContent::set_bottom_crop)
 143                 );
 144
 145         _fade_in_label = create_label (this, _("Fade in"), true);
 146         _fade_in = new Timecode<ContentTime> (this);
 147
 148         _fade_out_label = create_label (this, _("Fade out"), true);
 149         _fade_out = new Timecode<ContentTime> (this);
 150
 151         _scale_to_label = create_label (this, _("Scale to"), true);
 152         _scale = new ContentChoice<VideoContent, VideoContentScale> (
 153                 this,
 154                 new wxChoice (this, wxID_ANY),
 155                 VideoContentProperty::SCALE,
 156                 &Content::video,
 157                 boost::mem_fn (&VideoContent::scale),
 158                 boost::mem_fn (&VideoContent::set_scale),
 159                 &index_to_scale,
 160                 &scale_to_index
 161                 );
 162
 163         wxClientDC dc (this);
 164         wxSize size = dc.GetTextExtent (wxT ("A quite long name"));
 165         size.SetHeight (-1);
 166
 167         _filters_label = create_label (this, _("Filters"), true);
 168         _filters = new StaticText (this, _("None"), wxDefaultPosition, size);
 169         _filters_button = new Button (this, _("Edit..."));
 170
 171         _colour_conversion_label = create_label (this, _("Colour conversion"), true);
 172         _colour_conversion = new wxChoice (this, wxID_ANY, wxDefaultPosition, size);
 173         _colour_conversion->Append (_("None"));
 174         BOOST_FOREACH (PresetColourConversion const & i, PresetColourConversion::all()) {
 175                 _colour_conversion->Append (std_to_wx (i.name));
 176         }
 177
 178         /// TRANSLATORS: translate the word "Custom" here; do not include the "Colour|" prefix
 179         _colour_conversion->Append (S_("Colour|Custom"));
 180         _edit_colour_conversion_button = new Button (this, _("Edit..."));
 181
 182         _range_label = create_label (this, _("Range"), true);
 183         _range = new wxChoice (this, wxID_ANY);
 184         _range->Append (_("Full (JPEG, 0-255)"));
 185         _range->Append (_("Video (MPEG, 16-235)"));
 186
 187         _description = new StaticText (this, wxT ("\n \n \n \n \n"), wxDefaultPosition, wxDefaultSize);
 188         _description->SetFont(font);
 189
 190         _left_crop->wrapped()->SetRange (0, 4096);
 191         _top_crop->wrapped()->SetRange (0, 4096);
 192         _right_crop->wrapped()->SetRange (0, 4096);
 193         _bottom_crop->wrapped()->SetRange (0, 4096);
 194
 195         _scale->wrapped()->Clear ();
 196         BOOST_FOREACH (VideoContentScale const & i, VideoContentScale::all ()) {
 197                 _scale->wrapped()->Append (std_to_wx (i.name ()));
 198         }
 199
 200         _frame_type->wrapped()->Append (_("2D"));
 201         _frame_type->wrapped()->Append (_("3D"));
 202         _frame_type->wrapped()->Append (_("3D left/right"));
 203         _frame_type->wrapped()->Append (_("3D top/bottom"));
 204         _frame_type->wrapped()->Append (_("3D alternate"));
 205         _frame_type->wrapped()->Append (_("3D left only"));
 206         _frame_type->wrapped()->Append (_("3D right only"));
 207
 208         content_selection_changed ();
 209
 210         _fade_in->Changed.connect (boost::bind (&VideoPanel::fade_in_changed, this));
 211         _fade_out->Changed.connect (boost::bind (&VideoPanel::fade_out_changed, this));
 212
 213         _use->Bind                           (wxEVT_CHECKBOX, boost::bind (&VideoPanel::use_clicked, this));
 214         _reference->Bind                     (wxEVT_CHECKBOX, boost::bind (&VideoPanel::reference_clicked, this));
 215         _filters_button->Bind                (wxEVT_BUTTON,   boost::bind (&VideoPanel::edit_filters_clicked, this));
 216         _colour_conversion->Bind             (wxEVT_CHOICE,   boost::bind (&VideoPanel::colour_conversion_changed, this));
 217         _range->Bind                         (wxEVT_CHOICE,   boost::bind (&VideoPanel::range_changed, this));
 218         _edit_colour_conversion_button->Bind (wxEVT_BUTTON,   boost::bind (&VideoPanel::edit_colour_conversion_clicked, this));
 219
 220         add_to_grid ();
 221 }
 222
 223 void
 224 VideoPanel::add_to_grid ()
 225 {
 226         bool const full = Config::instance()->interface_complexity() == Config::INTERFACE_FULL;
 227
 228         int r = 0;
 229
 230         _reference->Show (full);
 231         _reference_note->Show (full && !_reference_note->GetLabel().IsEmpty());
 232
 233         if (full) {
 234                 wxBoxSizer* reference_sizer = new wxBoxSizer (wxVERTICAL);
 235                 reference_sizer->Add (_reference, 0);
 236                 reference_sizer->Add (_reference_note, 0);
 237                 _grid->Add (reference_sizer, wxGBPosition(r, 0), wxGBSpan(1, 3));
 238                 ++r;
 239         }
 240
 241         _use->Show (full);
 242         _grid->Add (_use, wxGBPosition(r, 0), wxGBSpan(1, 2));
 243         ++r;
 244
 245         add_label_to_sizer (_grid, _type_label, true, wxGBPosition(r, 0));
 246         _frame_type->add (_grid, wxGBPosition(r, 1), wxGBSpan(1, 2));
 247         ++r;
 248
 249         int cr = 0;
 250         wxGridBagSizer* crop = new wxGridBagSizer (DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
 251         add_label_to_sizer (crop, _left_crop_label, true, wxGBPosition (cr, 0));
 252         _left_crop->add (crop, wxGBPosition (cr, 1));
 253         add_label_to_sizer (crop, _right_crop_label, true, wxGBPosition (cr, 2));
 254         _right_crop->add (crop, wxGBPosition (cr, 3));
 255         ++cr;
 256         add_label_to_sizer (crop, _top_crop_label, true, wxGBPosition (cr, 0));
 257         _top_crop->add (crop, wxGBPosition (cr, 1));
 258         add_label_to_sizer (crop, _bottom_crop_label, true, wxGBPosition (cr, 2));
 259         _bottom_crop->add (crop, wxGBPosition (cr, 3));
 260         _grid->Add (crop, wxGBPosition (r, 0), wxGBSpan (2, 4));
 261         r += 2;
 262
 263         _scale_to_label->Show (full);
 264         _scale->show (full);
 265         _filters_label->Show (full);
 266         _filters->Show (full);
 267         _filters_button->Show (full);
 268         _colour_conversion_label->Show (full);
 269         _colour_conversion->Show (full);
 270         _edit_colour_conversion_button->Show (full);
 271         _range_label->Show (full);
 272         _range->Show (full);
 273
 274         add_label_to_sizer (_grid, _fade_in_label, true, wxGBPosition (r, 0));
 275         _grid->Add (_fade_in, wxGBPosition (r, 1), wxGBSpan (1, 3));
 276         ++r;
 277
 278         add_label_to_sizer (_grid, _fade_out_label, true, wxGBPosition (r, 0));
 279         _grid->Add (_fade_out, wxGBPosition (r, 1), wxGBSpan (1, 3));
 280         ++r;
 281
 282         if (full) {
 283                 add_label_to_sizer (_grid, _scale_to_label, true, wxGBPosition (r, 0));
 284                 _scale->add (_grid, wxGBPosition (r, 1), wxGBSpan (1, 2));
 285                 ++r;
 286
 287                 add_label_to_sizer (_grid, _filters_label, true, wxGBPosition (r, 0));
 288                 {
 289                         wxSizer* s = new wxBoxSizer (wxHORIZONTAL);
 290                         s->Add (_filters, 1, wxALIGN_CENTER_VERTICAL | wxTOP | wxBOTTOM | wxRIGHT, 6);
 291                         s->Add (_filters_button, 0, wxALIGN_CENTER_VERTICAL);
 292                         _grid->Add (s, wxGBPosition (r, 1), wxDefaultSpan, wxALIGN_CENTER_VERTICAL);
 293                 }
 294                 ++r;
 295
 296                 add_label_to_sizer (_grid, _colour_conversion_label, true, wxGBPosition(r, 0));
 297                 {
 298                         wxSizer* s = new wxBoxSizer (wxHORIZONTAL);
 299                         s->Add (_colour_conversion, 1, wxALIGN_CENTER_VERTICAL | wxTOP | wxBOTTOM | wxRIGHT, 6);
 300                         s->Add (_edit_colour_conversion_button, 0, wxALIGN_CENTER_VERTICAL);
 301                         _grid->Add (s, wxGBPosition (r, 1), wxDefaultSpan, wxALIGN_CENTER_VERTICAL);
 302                 }
 303                 ++r;
 304
 305                 add_label_to_sizer (_grid, _range_label, true, wxGBPosition(r, 0));
 306                 _grid->Add (_range, wxGBPosition(r, 1), wxGBSpan(1, 2), wxALIGN_CENTER_VERTICAL);
 307                 ++r;
 308         }
 309
 310         _grid->Add (_description, wxGBPosition (r, 0), wxGBSpan (1, 4), wxEXPAND | wxALIGN_CENTER_VERTICAL, 6);
 311         ++r;
 312 }
 313
 314 void
 315 VideoPanel::range_changed ()
 316 {
 317         ContentList vc = _parent->selected_video ();
 318         if (vc.size() != 1) {
 319                 return;
 320         }
 321
 322         switch (_range->GetSelection()) {
 323         case 0:
 324                 vc.front()->video->set_range (VIDEO_RANGE_FULL);
 325                 break;
 326         case 1:
 327                 vc.front()->video->set_range (VIDEO_RANGE_VIDEO);
 328                 break;
 329         default:
 330                 DCPOMATIC_ASSERT (false);
 331         }
 332 }
 333
 334
 335 void
 336 VideoPanel::film_changed (Film::Property property)
 337 {
 338         switch (property) {
 339         case Film::VIDEO_FRAME_RATE:
 340         case Film::CONTAINER:
 341         case Film::RESOLUTION:
 342                 setup_description ();
 343                 setup_sensitivity ();
 344                 break;
 345         case Film::REEL_TYPE:
 346         case Film::INTEROP:
 347                 setup_sensitivity ();
 348                 break;
 349         default:
 350                 break;
 351         }
 352 }
 353
 354 std::size_t
 355 hash_value (boost::optional<ColourConversion> const & c)
 356 {
 357         boost::hash<string> hasher;
 358         if (!c) {
 359                 return hasher ("none");
 360         }
 361         return hasher (c->identifier());
 362 }
 363
 364
 365 void
 366 VideoPanel::film_content_changed (int property)
 367 {
 368         ContentList vc = _parent->selected_video ();
 369         shared_ptr<Content> vcs;
 370         shared_ptr<FFmpegContent> fcs;
 371         if (!vc.empty ()) {
 372                 vcs = vc.front ();
 373                 fcs = dynamic_pointer_cast<FFmpegContent> (vcs);
 374         }
 375
 376         if (property == ContentProperty::VIDEO_FRAME_RATE ||
 377             property == VideoContentProperty::FRAME_TYPE ||
 378             property == VideoContentProperty::CROP ||
 379             property == VideoContentProperty::SCALE) {
 380                 setup_description ();
 381         } else if (property == VideoContentProperty::COLOUR_CONVERSION) {
 382                 boost::unordered_set<optional<ColourConversion> > check;
 383                 BOOST_FOREACH (shared_ptr<const Content> i, vc) {
 384                         check.insert (i->video->colour_conversion());
 385                 }
 386
 387                 /* Remove any "Many" entry that we might have added previously.  There should
 388                  * be entries for each preset plus one for "None" and one for "Custom".
 389                  */
 390                 vector<PresetColourConversion> cc = PresetColourConversion::all ();
 391                 if (_colour_conversion->GetCount() > cc.size() + 2) {
 392                         _colour_conversion->Delete (_colour_conversion->GetCount() - 1);
 393                 }
 394
 395                 if (check.size() == 1) {
 396                         if (vcs && vcs->video->colour_conversion ()) {
 397                                 optional<size_t> preset = vcs->video->colour_conversion().get().preset ();
 398                                 if (preset) {
 399                                         checked_set (_colour_conversion, preset.get() + 1);
 400                                 } else {
 401                                         checked_set (_colour_conversion, cc.size() + 1);
 402                                 }
 403                         } else {
 404                                 checked_set (_colour_conversion, 0);
 405                         }
 406                 } else if (check.size() > 1) {
 407                         /* Add a "many" entry and select it as an indication that multiple different
 408                          * colour conversions are present in the selection.
 409                          */
 410                         _colour_conversion->Append (_("Many"));
 411                         checked_set (_colour_conversion, _colour_conversion->GetCount() - 1);
 412                 }
 413
 414                 setup_sensitivity ();
 415
 416         } else if (property == FFmpegContentProperty::FILTERS) {
 417                 if (fcs) {
 418                         string p = Filter::ffmpeg_string (fcs->filters ());
 419                         if (p.empty ()) {
 420                                 checked_set (_filters, _("None"));
 421                         } else {
 422                                 if (p.length() > 25) {
 423                                         p = p.substr (0, 25) + "...";
 424                                 }
 425                                 checked_set (_filters, p);
 426                         }
 427                 }
 428         } else if (property == VideoContentProperty::USE) {
 429                 set<bool> check;
 430                 BOOST_FOREACH (shared_ptr<const Content> i, vc) {
 431                         check.insert (i->video->use());
 432                 }
 433
 434                 if (check.size() == 1) {
 435                         checked_set (_use, vc.front()->video->use());
 436                 } else {
 437                         checked_set (_use, false);
 438                 }
 439
 440                 setup_sensitivity ();
 441         } else if (property == VideoContentProperty::FADE_IN) {
 442                 set<Frame> check;
 443                 BOOST_FOREACH (shared_ptr<const Content> i, vc) {
 444                         check.insert (i->video->fade_in ());
 445                 }
 446
 447                 if (check.size() == 1) {
 448                         _fade_in->set (
 449                                 ContentTime::from_frames (vc.front()->video->fade_in(), vc.front()->active_video_frame_rate(_parent->film())),
 450                                 vc.front()->active_video_frame_rate(_parent->film())
 451                                 );
 452                 } else {
 453                         _fade_in->clear ();
 454                 }
 455         } else if (property == VideoContentProperty::FADE_OUT) {
 456                 set<Frame> check;
 457                 BOOST_FOREACH (shared_ptr<const Content> i, vc) {
 458                         check.insert (i->video->fade_out ());
 459                 }
 460
 461                 if (check.size() == 1) {
 462                         _fade_out->set (
 463                                 ContentTime::from_frames (vc.front()->video->fade_out(), vc.front()->active_video_frame_rate(_parent->film())),
 464                                 vc.front()->active_video_frame_rate(_parent->film())
 465                                 );
 466                 } else {
 467                         _fade_out->clear ();
 468                 }
 469         } else if (property == DCPContentProperty::REFERENCE_VIDEO) {
 470                 if (vc.size() == 1) {
 471                         shared_ptr<DCPContent> dcp = dynamic_pointer_cast<DCPContent> (vc.front ());
 472                         checked_set (_reference, dcp ? dcp->reference_video () : false);
 473                 } else {
 474                         checked_set (_reference, false);
 475                 }
 476
 477                 setup_sensitivity ();
 478         } else if (property == VideoContentProperty::RANGE) {
 479                 if (vcs) {
 480                         checked_set (_range, vcs->video->range() == VIDEO_RANGE_FULL ? 0 : 1);
 481                 } else {
 482                         checked_set (_range, 0);
 483                 }
 484
 485                 setup_sensitivity ();
 486         }
 487 }
 488
 489 /** Called when the `Edit filters' button has been clicked */
 490 void
 491 VideoPanel::edit_filters_clicked ()
 492 {
 493         FFmpegContentList c = _parent->selected_ffmpeg ();
 494         if (c.size() != 1) {
 495                 return;
 496         }
 497
 498         FilterDialog* d = new FilterDialog (this, c.front()->filters());
 499         d->ActiveChanged.connect (bind (&FFmpegContent::set_filters, c.front(), _1));
 500         d->ShowModal ();
 501         d->Destroy ();
 502 }
 503
 504 void
 505 VideoPanel::setup_description ()
 506 {
 507         ContentList vc = _parent->selected_video ();
 508         if (vc.empty ()) {
 509                 checked_set (_description, wxT (""));
 510                 return;
 511         } else if (vc.size() > 1) {
 512                 checked_set (_description, _("Multiple content selected"));
 513                 return;
 514         }
 515
 516         string d = vc.front()->video->processing_description (_parent->film());
 517         size_t lines = count (d.begin(), d.end(), '\n');
 518
 519         for (int i = lines; i < 6; ++i) {
 520                 d += "\n ";
 521         }
 522
 523         checked_set (_description, d);
 524         _sizer->Layout ();
 525 }
 526
 527 void
 528 VideoPanel::colour_conversion_changed ()
 529 {
 530         ContentList vc = _parent->selected_video ();
 531
 532         int const s = _colour_conversion->GetSelection ();
 533         vector<PresetColourConversion> all = PresetColourConversion::all ();
 534
 535         if (s == int(all.size() + 1)) {
 536                 edit_colour_conversion_clicked ();
 537         } else {
 538                 BOOST_FOREACH (shared_ptr<Content> i, _parent->selected_video()) {
 539                         if (s == 0) {
 540                                 i->video->unset_colour_conversion ();
 541                         } else if (s != int(all.size() + 2)) {
 542                                 i->video->set_colour_conversion (all[s - 1].conversion);
 543                         }
 544                 }
 545         }
 546 }
 547
 548 void
 549 VideoPanel::edit_colour_conversion_clicked ()
 550 {
 551         ContentList vc = _parent->selected_video ();
 552
 553         ContentColourConversionDialog* d = new ContentColourConversionDialog (this, vc.front()->video->yuv ());
 554         d->set (vc.front()->video->colour_conversion().get_value_or (PresetColourConversion::all().front().conversion));
 555         if (d->ShowModal() == wxID_OK) {
 556                 BOOST_FOREACH (shared_ptr<Content> i, vc) {
 557                         i->video->set_colour_conversion (d->get ());
 558                 }
 559         } else {
 560                 /* Reset the colour conversion choice */
 561                 film_content_changed (VideoContentProperty::COLOUR_CONVERSION);
 562         }
 563         d->Destroy ();
 564 }
 565
 566 void
 567 VideoPanel::content_selection_changed ()
 568 {
 569         ContentList video_sel = _parent->selected_video ();
 570
 571         _frame_type->set_content (video_sel);
 572         _left_crop->set_content (video_sel);
 573         _right_crop->set_content (video_sel);
 574         _top_crop->set_content (video_sel);
 575         _bottom_crop->set_content (video_sel);
 576         _scale->set_content (video_sel);
 577
 578         film_content_changed (ContentProperty::VIDEO_FRAME_RATE);
 579         film_content_changed (VideoContentProperty::CROP);
 580         film_content_changed (VideoContentProperty::COLOUR_CONVERSION);
 581         film_content_changed (VideoContentProperty::FADE_IN);
 582         film_content_changed (VideoContentProperty::FADE_OUT);
 583         film_content_changed (VideoContentProperty::RANGE);
 584         film_content_changed (VideoContentProperty::USE);
 585         film_content_changed (FFmpegContentProperty::FILTERS);
 586         film_content_changed (DCPContentProperty::REFERENCE_VIDEO);
 587
 588         setup_sensitivity ();
 589 }
 590
 591 void
 592 VideoPanel::setup_sensitivity ()
 593 {
 594         ContentList sel = _parent->selected ();
 595
 596         shared_ptr<DCPContent> dcp;
 597         if (sel.size() == 1) {
 598                 dcp = dynamic_pointer_cast<DCPContent> (sel.front ());
 599         }
 600
 601         string why_not;
 602         bool const can_reference = dcp && dcp->can_reference_video (_parent->film(), why_not);
 603         wxString cannot;
 604         if (why_not.empty()) {
 605                 cannot = _("Cannot reference this DCP's video.");
 606         } else {
 607                 cannot = _("Cannot reference this DCP's video: ") + std_to_wx(why_not);
 608         }
 609         setup_refer_button (_reference, _reference_note, dcp, can_reference, cannot);
 610
 611         bool const enable = !_reference->GetValue() && _use->GetValue();
 612
 613         _use->Enable (!_reference->GetValue());
 614
 615         if (!enable) {
 616                 _frame_type->wrapped()->Enable (false);
 617                 _left_crop->wrapped()->Enable (false);
 618                 _right_crop->wrapped()->Enable (false);
 619                 _top_crop->wrapped()->Enable (false);
 620                 _bottom_crop->wrapped()->Enable (false);
 621                 _fade_in->Enable (false);
 622                 _fade_out->Enable (false);
 623                 _scale->wrapped()->Enable (false);
 624                 _description->Enable (false);
 625                 _filters->Enable (false);
 626                 _filters_button->Enable (false);
 627                 _colour_conversion->Enable (false);
 628                 _range->Enable (false);
 629         } else {
 630                 ContentList video_sel = _parent->selected_video ();
 631                 FFmpegContentList ffmpeg_sel = _parent->selected_ffmpeg ();
 632                 bool const single = video_sel.size() == 1;
 633
 634                 _frame_type->wrapped()->Enable (true);
 635                 _left_crop->wrapped()->Enable (true);
 636                 _right_crop->wrapped()->Enable (true);
 637                 _top_crop->wrapped()->Enable (true);
 638                 _bottom_crop->wrapped()->Enable (true);
 639                 _fade_in->Enable (!video_sel.empty ());
 640                 _fade_out->Enable (!video_sel.empty ());
 641                 _scale->wrapped()->Enable (true);
 642                 _description->Enable (true);
 643                 _filters->Enable (true);
 644                 _filters_button->Enable (single && !ffmpeg_sel.empty ());
 645                 _colour_conversion->Enable (!video_sel.empty());
 646                 _range->Enable (single && !video_sel.empty());
 647         }
 648
 649         ContentList vc = _parent->selected_video ();
 650         shared_ptr<Content> vcs;
 651         if (!vc.empty ()) {
 652                 vcs = vc.front ();
 653         }
 654
 655         if (vcs && vcs->video->colour_conversion ()) {
 656                 _edit_colour_conversion_button->Enable (!vcs->video->colour_conversion().get().preset());
 657         } else {
 658                 _edit_colour_conversion_button->Enable (false);
 659         }
 660 }
 661
 662 void
 663 VideoPanel::fade_in_changed ()
 664 {
 665         BOOST_FOREACH (shared_ptr<Content> i, _parent->selected_video ()) {
 666                 double const vfr = i->active_video_frame_rate (_parent->film());
 667                 i->video->set_fade_in (_fade_in->get(vfr).frames_round(vfr));
 668         }
 669 }
 670
 671 void
 672 VideoPanel::fade_out_changed ()
 673 {
 674         BOOST_FOREACH (shared_ptr<Content> i, _parent->selected_video ()) {
 675                 double const vfr = i->active_video_frame_rate (_parent->film());
 676                 i->video->set_fade_out (_fade_out->get(vfr).frames_round(vfr));
 677         }
 678 }
 679
 680 void
 681 VideoPanel::use_clicked ()
 682 {
 683         BOOST_FOREACH (shared_ptr<Content> i, _parent->selected_video()) {
 684                 i->video->set_use (_use->GetValue());
 685         }
 686 }
 687
 688 void
 689 VideoPanel::reference_clicked ()
 690 {
 691         ContentList c = _parent->selected ();
 692         if (c.size() != 1) {
 693                 return;
 694         }
 695
 696         shared_ptr<DCPContent> d = dynamic_pointer_cast<DCPContent> (c.front ());
 697         if (!d) {
 698                 return;
 699         }
 700
 701         d->set_reference_video (_reference->GetValue ());
 702 }