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         _crop_label = create_label (this, _("Crop"), true);
 106
 107         _left_crop_label = create_label (this, _("Left"), true);
 108         _left_crop = new ContentSpinCtrl<VideoContent> (
 109                 this,
 110                 new wxSpinCtrl (this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize (64, -1)),
 111                 VideoContentProperty::CROP,
 112                 &Content::video,
 113                 boost::mem_fn (&VideoContent::left_crop),
 114                 boost::mem_fn (&VideoContent::set_left_crop)
 115                 );
 116
 117         _right_crop_label = create_label (this, _("Right"), true);
 118         _right_crop = new ContentSpinCtrl<VideoContent> (
 119                 this,
 120                 new wxSpinCtrl (this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize (64, -1)),
 121                 VideoContentProperty::CROP,
 122                 &Content::video,
 123                 boost::mem_fn (&VideoContent::right_crop),
 124                 boost::mem_fn (&VideoContent::set_right_crop)
 125                 );
 126
 127         _top_crop_label = create_label (this, _("Top"), true);
 128         _top_crop = new ContentSpinCtrl<VideoContent> (
 129                 this,
 130                 new wxSpinCtrl (this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize (64, -1)),
 131                 VideoContentProperty::CROP,
 132                 &Content::video,
 133                 boost::mem_fn (&VideoContent::top_crop),
 134                 boost::mem_fn (&VideoContent::set_top_crop)
 135                 );
 136
 137         _bottom_crop_label = create_label (this, _("Bottom"), true);
 138         _bottom_crop = new ContentSpinCtrl<VideoContent> (
 139                 this,
 140                 new wxSpinCtrl (this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize (64, -1)),
 141                 VideoContentProperty::CROP,
 142                 &Content::video,
 143                 boost::mem_fn (&VideoContent::bottom_crop),
 144                 boost::mem_fn (&VideoContent::set_bottom_crop)
 145                 );
 146
 147         _fade_in_label = create_label (this, _("Fade in"), true);
 148         _fade_in = new Timecode<ContentTime> (this);
 149
 150         _fade_out_label = create_label (this, _("Fade out"), true);
 151         _fade_out = new Timecode<ContentTime> (this);
 152
 153         _scale_to_label = create_label (this, _("Scale to"), true);
 154         _scale = new ContentChoice<VideoContent, VideoContentScale> (
 155                 this,
 156                 new wxChoice (this, wxID_ANY),
 157                 VideoContentProperty::SCALE,
 158                 &Content::video,
 159                 boost::mem_fn (&VideoContent::scale),
 160                 boost::mem_fn (&VideoContent::set_scale),
 161                 &index_to_scale,
 162                 &scale_to_index
 163                 );
 164
 165         wxClientDC dc (this);
 166         wxSize size = dc.GetTextExtent (wxT ("A quite long name"));
 167         size.SetHeight (-1);
 168
 169         _filters_label = create_label (this, _("Filters"), true);
 170         _filters = new StaticText (this, _("None"), wxDefaultPosition, size);
 171         _filters_button = new Button (this, _("Edit..."));
 172
 173         _colour_conversion_label = create_label (this, _("Colour conversion"), true);
 174         _colour_conversion = new wxChoice (this, wxID_ANY, wxDefaultPosition, size);
 175         _colour_conversion->Append (_("None"));
 176         BOOST_FOREACH (PresetColourConversion const & i, PresetColourConversion::all()) {
 177                 _colour_conversion->Append (std_to_wx (i.name));
 178         }
 179
 180         /// TRANSLATORS: translate the word "Custom" here; do not include the "Colour|" prefix
 181         _colour_conversion->Append (S_("Colour|Custom"));
 182         _edit_colour_conversion_button = new Button (this, _("Edit..."));
 183
 184         _range_label = create_label (this, _("Range"), true);
 185         _range = new wxChoice (this, wxID_ANY);
 186         _range->Append (_("Full (JPEG, 0-255)"));
 187         _range->Append (_("Video (MPEG, 16-235)"));
 188
 189         _description = new StaticText (this, wxT ("\n \n \n \n \n"), wxDefaultPosition, wxDefaultSize);
 190         _description->SetFont(font);
 191
 192         _left_crop->wrapped()->SetRange (0, 4096);
 193         _top_crop->wrapped()->SetRange (0, 4096);
 194         _right_crop->wrapped()->SetRange (0, 4096);
 195         _bottom_crop->wrapped()->SetRange (0, 4096);
 196
 197         _scale->wrapped()->Clear ();
 198         BOOST_FOREACH (VideoContentScale const & i, VideoContentScale::all ()) {
 199                 _scale->wrapped()->Append (std_to_wx (i.name ()));
 200         }
 201
 202         _frame_type->wrapped()->Append (_("2D"));
 203         _frame_type->wrapped()->Append (_("3D"));
 204         _frame_type->wrapped()->Append (_("3D left/right"));
 205         _frame_type->wrapped()->Append (_("3D top/bottom"));
 206         _frame_type->wrapped()->Append (_("3D alternate"));
 207         _frame_type->wrapped()->Append (_("3D left only"));
 208         _frame_type->wrapped()->Append (_("3D right only"));
 209
 210         content_selection_changed ();
 211
 212         _fade_in->Changed.connect (boost::bind (&VideoPanel::fade_in_changed, this));
 213         _fade_out->Changed.connect (boost::bind (&VideoPanel::fade_out_changed, this));
 214
 215         _use->Bind                           (wxEVT_CHECKBOX, boost::bind (&VideoPanel::use_clicked, this));
 216         _reference->Bind                     (wxEVT_CHECKBOX, boost::bind (&VideoPanel::reference_clicked, this));
 217         _filters_button->Bind                (wxEVT_BUTTON,   boost::bind (&VideoPanel::edit_filters_clicked, this));
 218         _colour_conversion->Bind             (wxEVT_CHOICE,   boost::bind (&VideoPanel::colour_conversion_changed, this));
 219         _range->Bind                         (wxEVT_CHOICE,   boost::bind (&VideoPanel::range_changed, this));
 220         _edit_colour_conversion_button->Bind (wxEVT_BUTTON,   boost::bind (&VideoPanel::edit_colour_conversion_clicked, this));
 221
 222         add_to_grid ();
 223 }
 224
 225 void
 226 VideoPanel::add_to_grid ()
 227 {
 228         bool const full = Config::instance()->interface_complexity() == Config::INTERFACE_FULL;
 229
 230         int r = 0;
 231
 232         _reference->Show (full);
 233         _reference_note->Show (full && !_reference_note->GetLabel().IsEmpty());
 234
 235         if (full) {
 236                 wxBoxSizer* reference_sizer = new wxBoxSizer (wxVERTICAL);
 237                 reference_sizer->Add (_reference, 0);
 238                 reference_sizer->Add (_reference_note, 0);
 239                 _grid->Add (reference_sizer, wxGBPosition(r, 0), wxGBSpan(1, 3));
 240                 ++r;
 241         }
 242
 243         _use->Show (full);
 244         _grid->Add (_use, wxGBPosition(r, 0), wxGBSpan(1, 2));
 245         ++r;
 246
 247         add_label_to_sizer (_grid, _type_label, true, wxGBPosition(r, 0));
 248         _frame_type->add (_grid, wxGBPosition(r, 1), wxGBSpan(1, 2));
 249         ++r;
 250
 251         int cr = 0;
 252         wxGridBagSizer* crop = new wxGridBagSizer (DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
 253         add_label_to_sizer (crop, _left_crop_label, true, wxGBPosition (cr, 0));
 254         _left_crop->add (crop, wxGBPosition (cr, 1));
 255         add_label_to_sizer (crop, _right_crop_label, true, wxGBPosition (cr, 2));
 256         _right_crop->add (crop, wxGBPosition (cr, 3));
 257         ++cr;
 258         add_label_to_sizer (crop, _top_crop_label, true, wxGBPosition (cr, 0));
 259         _top_crop->add (crop, wxGBPosition (cr, 1));
 260         add_label_to_sizer (crop, _bottom_crop_label, true, wxGBPosition (cr, 2));
 261         _bottom_crop->add (crop, wxGBPosition (cr, 3));
 262         add_label_to_sizer (_grid, _crop_label, true, wxGBPosition(r, 0));
 263         _grid->Add (crop, wxGBPosition(r, 1), wxGBSpan(2, 3));
 264         r += 2;
 265
 266         _scale_to_label->Show (full);
 267         _scale->show (full);
 268         _filters_label->Show (full);
 269         _filters->Show (full);
 270         _filters_button->Show (full);
 271         _colour_conversion_label->Show (full);
 272         _colour_conversion->Show (full);
 273         _edit_colour_conversion_button->Show (full);
 274         _range_label->Show (full);
 275         _range->Show (full);
 276
 277         add_label_to_sizer (_grid, _fade_in_label, true, wxGBPosition (r, 0));
 278         _grid->Add (_fade_in, wxGBPosition (r, 1), wxGBSpan (1, 3));
 279         ++r;
 280
 281         add_label_to_sizer (_grid, _fade_out_label, true, wxGBPosition (r, 0));
 282         _grid->Add (_fade_out, wxGBPosition (r, 1), wxGBSpan (1, 3));
 283         ++r;
 284
 285         if (full) {
 286                 add_label_to_sizer (_grid, _scale_to_label, true, wxGBPosition (r, 0));
 287                 _scale->add (_grid, wxGBPosition (r, 1), wxGBSpan (1, 2));
 288                 ++r;
 289
 290                 add_label_to_sizer (_grid, _filters_label, true, wxGBPosition (r, 0));
 291                 {
 292                         wxSizer* s = new wxBoxSizer (wxHORIZONTAL);
 293                         s->Add (_filters, 1, wxALIGN_CENTER_VERTICAL | wxTOP | wxBOTTOM | wxRIGHT, 6);
 294                         s->Add (_filters_button, 0, wxALIGN_CENTER_VERTICAL);
 295                         _grid->Add (s, wxGBPosition (r, 1), wxDefaultSpan, wxALIGN_CENTER_VERTICAL);
 296                 }
 297                 ++r;
 298
 299                 add_label_to_sizer (_grid, _colour_conversion_label, true, wxGBPosition(r, 0));
 300                 {
 301                         wxSizer* s = new wxBoxSizer (wxHORIZONTAL);
 302                         s->Add (_colour_conversion, 1, wxALIGN_CENTER_VERTICAL | wxTOP | wxBOTTOM | wxRIGHT, 6);
 303                         s->Add (_edit_colour_conversion_button, 0, wxALIGN_CENTER_VERTICAL);
 304                         _grid->Add (s, wxGBPosition (r, 1), wxDefaultSpan, wxALIGN_CENTER_VERTICAL);
 305                 }
 306                 ++r;
 307
 308                 add_label_to_sizer (_grid, _range_label, true, wxGBPosition(r, 0));
 309                 _grid->Add (_range, wxGBPosition(r, 1), wxGBSpan(1, 2), wxALIGN_CENTER_VERTICAL);
 310                 ++r;
 311         }
 312
 313         _grid->Add (_description, wxGBPosition (r, 0), wxGBSpan (1, 4), wxEXPAND | wxALIGN_CENTER_VERTICAL, 6);
 314         ++r;
 315 }
 316
 317 void
 318 VideoPanel::range_changed ()
 319 {
 320         ContentList vc = _parent->selected_video ();
 321         if (vc.size() != 1) {
 322                 return;
 323         }
 324
 325         switch (_range->GetSelection()) {
 326         case 0:
 327                 vc.front()->video->set_range (VIDEO_RANGE_FULL);
 328                 break;
 329         case 1:
 330                 vc.front()->video->set_range (VIDEO_RANGE_VIDEO);
 331                 break;
 332         default:
 333                 DCPOMATIC_ASSERT (false);
 334         }
 335 }
 336
 337
 338 void
 339 VideoPanel::film_changed (Film::Property property)
 340 {
 341         switch (property) {
 342         case Film::VIDEO_FRAME_RATE:
 343         case Film::CONTAINER:
 344         case Film::RESOLUTION:
 345                 setup_description ();
 346                 setup_sensitivity ();
 347                 break;
 348         case Film::REEL_TYPE:
 349         case Film::INTEROP:
 350                 setup_sensitivity ();
 351                 break;
 352         default:
 353                 break;
 354         }
 355 }
 356
 357 std::size_t
 358 hash_value (boost::optional<ColourConversion> const & c)
 359 {
 360         boost::hash<string> hasher;
 361         if (!c) {
 362                 return hasher ("none");
 363         }
 364         return hasher (c->identifier());
 365 }
 366
 367
 368 void
 369 VideoPanel::film_content_changed (int property)
 370 {
 371         ContentList vc = _parent->selected_video ();
 372         shared_ptr<Content> vcs;
 373         shared_ptr<FFmpegContent> fcs;
 374         if (!vc.empty ()) {
 375                 vcs = vc.front ();
 376                 fcs = dynamic_pointer_cast<FFmpegContent> (vcs);
 377         }
 378
 379         if (property == ContentProperty::VIDEO_FRAME_RATE ||
 380             property == VideoContentProperty::FRAME_TYPE ||
 381             property == VideoContentProperty::CROP ||
 382             property == VideoContentProperty::SCALE) {
 383                 setup_description ();
 384         } else if (property == VideoContentProperty::COLOUR_CONVERSION) {
 385                 boost::unordered_set<optional<ColourConversion> > check;
 386                 BOOST_FOREACH (shared_ptr<const Content> i, vc) {
 387                         check.insert (i->video->colour_conversion());
 388                 }
 389
 390                 /* Remove any "Many" entry that we might have added previously.  There should
 391                  * be entries for each preset plus one for "None" and one for "Custom".
 392                  */
 393                 vector<PresetColourConversion> cc = PresetColourConversion::all ();
 394                 if (_colour_conversion->GetCount() > cc.size() + 2) {
 395                         _colour_conversion->Delete (_colour_conversion->GetCount() - 1);
 396                 }
 397
 398                 if (check.size() == 1) {
 399                         if (vcs && vcs->video->colour_conversion ()) {
 400                                 optional<size_t> preset = vcs->video->colour_conversion().get().preset ();
 401                                 if (preset) {
 402                                         checked_set (_colour_conversion, preset.get() + 1);
 403                                 } else {
 404                                         checked_set (_colour_conversion, cc.size() + 1);
 405                                 }
 406                         } else {
 407                                 checked_set (_colour_conversion, 0);
 408                         }
 409                 } else if (check.size() > 1) {
 410                         /* Add a "many" entry and select it as an indication that multiple different
 411                          * colour conversions are present in the selection.
 412                          */
 413                         _colour_conversion->Append (_("Many"));
 414                         checked_set (_colour_conversion, _colour_conversion->GetCount() - 1);
 415                 }
 416
 417                 setup_sensitivity ();
 418
 419         } else if (property == FFmpegContentProperty::FILTERS) {
 420                 if (fcs) {
 421                         string p = Filter::ffmpeg_string (fcs->filters ());
 422                         if (p.empty ()) {
 423                                 checked_set (_filters, _("None"));
 424                         } else {
 425                                 if (p.length() > 25) {
 426                                         p = p.substr (0, 25) + "...";
 427                                 }
 428                                 checked_set (_filters, p);
 429                         }
 430                 }
 431         } else if (property == VideoContentProperty::USE) {
 432                 set<bool> check;
 433                 BOOST_FOREACH (shared_ptr<const Content> i, vc) {
 434                         check.insert (i->video->use());
 435                 }
 436
 437                 if (check.size() == 1) {
 438                         checked_set (_use, vc.front()->video->use());
 439                 } else {
 440                         checked_set (_use, false);
 441                 }
 442
 443                 setup_sensitivity ();
 444         } else if (property == VideoContentProperty::FADE_IN) {
 445                 set<Frame> check;
 446                 BOOST_FOREACH (shared_ptr<const Content> i, vc) {
 447                         check.insert (i->video->fade_in ());
 448                 }
 449
 450                 if (check.size() == 1) {
 451                         _fade_in->set (
 452                                 ContentTime::from_frames (vc.front()->video->fade_in(), vc.front()->active_video_frame_rate(_parent->film())),
 453                                 vc.front()->active_video_frame_rate(_parent->film())
 454                                 );
 455                 } else {
 456                         _fade_in->clear ();
 457                 }
 458         } else if (property == VideoContentProperty::FADE_OUT) {
 459                 set<Frame> check;
 460                 BOOST_FOREACH (shared_ptr<const Content> i, vc) {
 461                         check.insert (i->video->fade_out ());
 462                 }
 463
 464                 if (check.size() == 1) {
 465                         _fade_out->set (
 466                                 ContentTime::from_frames (vc.front()->video->fade_out(), vc.front()->active_video_frame_rate(_parent->film())),
 467                                 vc.front()->active_video_frame_rate(_parent->film())
 468                                 );
 469                 } else {
 470                         _fade_out->clear ();
 471                 }
 472         } else if (property == DCPContentProperty::REFERENCE_VIDEO) {
 473                 if (vc.size() == 1) {
 474                         shared_ptr<DCPContent> dcp = dynamic_pointer_cast<DCPContent> (vc.front ());
 475                         checked_set (_reference, dcp ? dcp->reference_video () : false);
 476                 } else {
 477                         checked_set (_reference, false);
 478                 }
 479
 480                 setup_sensitivity ();
 481         } else if (property == VideoContentProperty::RANGE) {
 482                 if (vcs) {
 483                         checked_set (_range, vcs->video->range() == VIDEO_RANGE_FULL ? 0 : 1);
 484                 } else {
 485                         checked_set (_range, 0);
 486                 }
 487
 488                 setup_sensitivity ();
 489         }
 490 }
 491
 492 /** Called when the `Edit filters' button has been clicked */
 493 void
 494 VideoPanel::edit_filters_clicked ()
 495 {
 496         FFmpegContentList c = _parent->selected_ffmpeg ();
 497         if (c.size() != 1) {
 498                 return;
 499         }
 500
 501         FilterDialog* d = new FilterDialog (this, c.front()->filters());
 502         d->ActiveChanged.connect (bind (&FFmpegContent::set_filters, c.front(), _1));
 503         d->ShowModal ();
 504         d->Destroy ();
 505 }
 506
 507 void
 508 VideoPanel::setup_description ()
 509 {
 510         ContentList vc = _parent->selected_video ();
 511         if (vc.empty ()) {
 512                 checked_set (_description, wxT (""));
 513                 return;
 514         } else if (vc.size() > 1) {
 515                 checked_set (_description, _("Multiple content selected"));
 516                 return;
 517         }
 518
 519         string d = vc.front()->video->processing_description (_parent->film());
 520         size_t lines = count (d.begin(), d.end(), '\n');
 521
 522         for (int i = lines; i < 6; ++i) {
 523                 d += "\n ";
 524         }
 525
 526         checked_set (_description, d);
 527         _sizer->Layout ();
 528 }
 529
 530 void
 531 VideoPanel::colour_conversion_changed ()
 532 {
 533         ContentList vc = _parent->selected_video ();
 534
 535         int const s = _colour_conversion->GetSelection ();
 536         vector<PresetColourConversion> all = PresetColourConversion::all ();
 537
 538         if (s == int(all.size() + 1)) {
 539                 edit_colour_conversion_clicked ();
 540         } else {
 541                 BOOST_FOREACH (shared_ptr<Content> i, _parent->selected_video()) {
 542                         if (s == 0) {
 543                                 i->video->unset_colour_conversion ();
 544                         } else if (s != int(all.size() + 2)) {
 545                                 i->video->set_colour_conversion (all[s - 1].conversion);
 546                         }
 547                 }
 548         }
 549 }
 550
 551 void
 552 VideoPanel::edit_colour_conversion_clicked ()
 553 {
 554         ContentList vc = _parent->selected_video ();
 555
 556         ContentColourConversionDialog* d = new ContentColourConversionDialog (this, vc.front()->video->yuv ());
 557         d->set (vc.front()->video->colour_conversion().get_value_or (PresetColourConversion::all().front().conversion));
 558         if (d->ShowModal() == wxID_OK) {
 559                 BOOST_FOREACH (shared_ptr<Content> i, vc) {
 560                         i->video->set_colour_conversion (d->get ());
 561                 }
 562         } else {
 563                 /* Reset the colour conversion choice */
 564                 film_content_changed (VideoContentProperty::COLOUR_CONVERSION);
 565         }
 566         d->Destroy ();
 567 }
 568
 569 void
 570 VideoPanel::content_selection_changed ()
 571 {
 572         ContentList video_sel = _parent->selected_video ();
 573
 574         _frame_type->set_content (video_sel);
 575         _left_crop->set_content (video_sel);
 576         _right_crop->set_content (video_sel);
 577         _top_crop->set_content (video_sel);
 578         _bottom_crop->set_content (video_sel);
 579         _scale->set_content (video_sel);
 580
 581         film_content_changed (ContentProperty::VIDEO_FRAME_RATE);
 582         film_content_changed (VideoContentProperty::CROP);
 583         film_content_changed (VideoContentProperty::COLOUR_CONVERSION);
 584         film_content_changed (VideoContentProperty::FADE_IN);
 585         film_content_changed (VideoContentProperty::FADE_OUT);
 586         film_content_changed (VideoContentProperty::RANGE);
 587         film_content_changed (VideoContentProperty::USE);
 588         film_content_changed (FFmpegContentProperty::FILTERS);
 589         film_content_changed (DCPContentProperty::REFERENCE_VIDEO);
 590
 591         setup_sensitivity ();
 592 }
 593
 594 void
 595 VideoPanel::setup_sensitivity ()
 596 {
 597         ContentList sel = _parent->selected ();
 598
 599         shared_ptr<DCPContent> dcp;
 600         if (sel.size() == 1) {
 601                 dcp = dynamic_pointer_cast<DCPContent> (sel.front ());
 602         }
 603
 604         string why_not;
 605         bool const can_reference = dcp && dcp->can_reference_video (_parent->film(), why_not);
 606         wxString cannot;
 607         if (why_not.empty()) {
 608                 cannot = _("Cannot reference this DCP's video.");
 609         } else {
 610                 cannot = _("Cannot reference this DCP's video: ") + std_to_wx(why_not);
 611         }
 612         setup_refer_button (_reference, _reference_note, dcp, can_reference, cannot);
 613
 614         bool const enable = !_reference->GetValue() && _use->GetValue();
 615
 616         _use->Enable (!_reference->GetValue());
 617
 618         if (!enable) {
 619                 _frame_type->wrapped()->Enable (false);
 620                 _left_crop->wrapped()->Enable (false);
 621                 _right_crop->wrapped()->Enable (false);
 622                 _top_crop->wrapped()->Enable (false);
 623                 _bottom_crop->wrapped()->Enable (false);
 624                 _fade_in->Enable (false);
 625                 _fade_out->Enable (false);
 626                 _scale->wrapped()->Enable (false);
 627                 _description->Enable (false);
 628                 _filters->Enable (false);
 629                 _filters_button->Enable (false);
 630                 _colour_conversion->Enable (false);
 631                 _range->Enable (false);
 632         } else {
 633                 ContentList video_sel = _parent->selected_video ();
 634                 FFmpegContentList ffmpeg_sel = _parent->selected_ffmpeg ();
 635                 bool const single = video_sel.size() == 1;
 636
 637                 _frame_type->wrapped()->Enable (true);
 638                 _left_crop->wrapped()->Enable (true);
 639                 _right_crop->wrapped()->Enable (true);
 640                 _top_crop->wrapped()->Enable (true);
 641                 _bottom_crop->wrapped()->Enable (true);
 642                 _fade_in->Enable (!video_sel.empty ());
 643                 _fade_out->Enable (!video_sel.empty ());
 644                 _scale->wrapped()->Enable (true);
 645                 _description->Enable (true);
 646                 _filters->Enable (true);
 647                 _filters_button->Enable (single && !ffmpeg_sel.empty ());
 648                 _colour_conversion->Enable (!video_sel.empty());
 649                 _range->Enable (single && !video_sel.empty());
 650         }
 651
 652         ContentList vc = _parent->selected_video ();
 653         shared_ptr<Content> vcs;
 654         if (!vc.empty ()) {
 655                 vcs = vc.front ();
 656         }
 657
 658         if (vcs && vcs->video->colour_conversion ()) {
 659                 _edit_colour_conversion_button->Enable (!vcs->video->colour_conversion().get().preset());
 660         } else {
 661                 _edit_colour_conversion_button->Enable (false);
 662         }
 663 }
 664
 665 void
 666 VideoPanel::fade_in_changed ()
 667 {
 668         BOOST_FOREACH (shared_ptr<Content> i, _parent->selected_video ()) {
 669                 double const vfr = i->active_video_frame_rate (_parent->film());
 670                 i->video->set_fade_in (_fade_in->get(vfr).frames_round(vfr));
 671         }
 672 }
 673
 674 void
 675 VideoPanel::fade_out_changed ()
 676 {
 677         BOOST_FOREACH (shared_ptr<Content> i, _parent->selected_video ()) {
 678                 double const vfr = i->active_video_frame_rate (_parent->film());
 679                 i->video->set_fade_out (_fade_out->get(vfr).frames_round(vfr));
 680         }
 681 }
 682
 683 void
 684 VideoPanel::use_clicked ()
 685 {
 686         BOOST_FOREACH (shared_ptr<Content> i, _parent->selected_video()) {
 687                 i->video->set_use (_use->GetValue());
 688         }
 689 }
 690
 691 void
 692 VideoPanel::reference_clicked ()
 693 {
 694         ContentList c = _parent->selected ();
 695         if (c.size() != 1) {
 696                 return;
 697         }
 698
 699         shared_ptr<DCPContent> d = dynamic_pointer_cast<DCPContent> (c.front ());
 700         if (!d) {
 701                 return;
 702         }
 703
 704         d->set_reference_video (_reference->GetValue ());
 705 }