Remove the "simple" UI (#1868).
[dcpomatic.git] / 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 #if BOOST_VERSION >= 106100
60 using namespace boost::placeholders;
61 #endif
62
63
64 VideoPanel::VideoPanel (ContentPanel* p)
65         : ContentSubPanel (p, _("Video"))
66 {
67         _reference = new CheckBox (this, _("Use this DCP's video as OV and make VF"));
68         _reference_note = new StaticText (this, wxT(""));
69         _reference_note->Wrap (200);
70         wxFont font = _reference_note->GetFont();
71         font.SetStyle(wxFONTSTYLE_ITALIC);
72         font.SetPointSize(font.GetPointSize() - 1);
73         _reference_note->SetFont(font);
74
75         _type_label = create_label (this, _("Type"), true);
76         _frame_type = new ContentChoice<VideoContent, VideoFrameType> (
77                 this,
78                 new wxChoice (this, wxID_ANY),
79                 VideoContentProperty::FRAME_TYPE,
80                 &Content::video,
81                 boost::mem_fn (&VideoContent::frame_type),
82                 boost::mem_fn (&VideoContent::set_frame_type),
83                 &caster<int, VideoFrameType>,
84                 &caster<VideoFrameType, int>
85                 );
86
87         _crop_label = create_label (this, _("Crop"), true);
88
89 #ifdef __WXGTK3__
90         int const crop_width = 128;
91         int const link_width = 32;
92         int const link_height = 64;
93 #else
94         int const crop_width = 56;
95         int const link_width = 22;
96         int const link_height = 28;
97 #endif
98
99         _left_crop_label = create_label (this, _("Left"), true);
100         _left_crop = new ContentSpinCtrl<VideoContent> (
101                 this,
102                 new wxSpinCtrl (this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize(crop_width, -1)),
103                 VideoContentProperty::CROP,
104                 &Content::video,
105                 boost::mem_fn (&VideoContent::left_crop),
106                 boost::mem_fn (&VideoContent::set_left_crop),
107                 boost::bind (&VideoPanel::left_crop_changed, this)
108                 );
109
110         _left_right_link = new wxToggleButton (this, wxID_ANY, wxT(""), wxDefaultPosition, wxSize(link_width, link_height));
111         _left_right_link->SetBitmap (wxBitmap(bitmap_path("link"), wxBITMAP_TYPE_PNG));
112
113         _right_crop_label = create_label (this, _("Right"), true);
114         _right_crop = new ContentSpinCtrl<VideoContent> (
115                 this,
116                 new wxSpinCtrl (this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize(crop_width, -1)),
117                 VideoContentProperty::CROP,
118                 &Content::video,
119                 boost::mem_fn (&VideoContent::right_crop),
120                 boost::mem_fn (&VideoContent::set_right_crop),
121                 boost::bind (&VideoPanel::right_crop_changed, this)
122                 );
123
124         _top_crop_label = create_label (this, _("Top"), true);
125         _top_crop = new ContentSpinCtrl<VideoContent> (
126                 this,
127                 new wxSpinCtrl (this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize(crop_width, -1)),
128                 VideoContentProperty::CROP,
129                 &Content::video,
130                 boost::mem_fn (&VideoContent::top_crop),
131                 boost::mem_fn (&VideoContent::set_top_crop),
132                 boost::bind (&VideoPanel::top_crop_changed, this)
133                 );
134
135         _top_bottom_link = new wxToggleButton (this, wxID_ANY, wxT(""), wxDefaultPosition, wxSize(link_width, link_height));
136         _top_bottom_link->SetBitmap (wxBitmap(bitmap_path("link"), wxBITMAP_TYPE_PNG));
137
138         _bottom_crop_label = create_label (this, _("Bottom"), true);
139         _bottom_crop = new ContentSpinCtrl<VideoContent> (
140                 this,
141                 new wxSpinCtrl (this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize(crop_width, -1)),
142                 VideoContentProperty::CROP,
143                 &Content::video,
144                 boost::mem_fn (&VideoContent::bottom_crop),
145                 boost::mem_fn (&VideoContent::set_bottom_crop),
146                 boost::bind (&VideoPanel::bottom_crop_changed, this)
147                 );
148
149         _fade_in_label = create_label (this, _("Fade in"), true);
150         _fade_in = new Timecode<ContentTime> (this);
151
152         _fade_out_label = create_label (this, _("Fade out"), true);
153         _fade_out = new Timecode<ContentTime> (this);
154
155         wxClientDC dc (this);
156         wxSize size = dc.GetTextExtent (wxT ("A quite long name"));
157 #ifdef __WXGTK3__
158         size.SetWidth (size.GetWidth() + 64);
159 #endif
160         size.SetHeight (-1);
161
162         _scale_label = create_label (this, _("Scale"), true);
163         _scale_fit = new wxRadioButton (this, wxID_ANY, _("to fit DCP"));
164         _scale_custom = new wxRadioButton (this, wxID_ANY, _("custom"));
165         _scale_custom_edit = new Button (this, _("Edit..."));
166
167         _colour_conversion_label = create_label (this, _("Colour conversion"), true);
168         _colour_conversion = new wxChoice (this, wxID_ANY, wxDefaultPosition, size);
169         _colour_conversion->Append (_("None"));
170         BOOST_FOREACH (PresetColourConversion const & i, PresetColourConversion::all()) {
171                 _colour_conversion->Append (std_to_wx (i.name));
172         }
173
174         /// TRANSLATORS: translate the word "Custom" here; do not include the "Colour|" prefix
175         _colour_conversion->Append (S_("Colour|Custom"));
176         _edit_colour_conversion_button = new Button (this, _("Edit..."));
177
178         _range_label = create_label (this, _("Range"), true);
179         _range = new wxChoice (this, wxID_ANY);
180         _range->Append (_("Full (JPEG, 0-255)"));
181         _range->Append (_("Video (MPEG, 16-235)"));
182
183         _description = new StaticText (this, wxT ("\n \n \n \n \n"), wxDefaultPosition, wxDefaultSize);
184         _description->SetFont(font);
185
186         _left_crop->wrapped()->SetRange (0, 4096);
187         _top_crop->wrapped()->SetRange (0, 4096);
188         _right_crop->wrapped()->SetRange (0, 4096);
189         _bottom_crop->wrapped()->SetRange (0, 4096);
190
191         _frame_type->wrapped()->Append (_("2D"));
192         _frame_type->wrapped()->Append (_("3D"));
193         _frame_type->wrapped()->Append (_("3D left/right"));
194         _frame_type->wrapped()->Append (_("3D top/bottom"));
195         _frame_type->wrapped()->Append (_("3D alternate"));
196         _frame_type->wrapped()->Append (_("3D left only"));
197         _frame_type->wrapped()->Append (_("3D right only"));
198
199         content_selection_changed ();
200
201         _fade_in->Changed.connect (boost::bind (&VideoPanel::fade_in_changed, this));
202         _fade_out->Changed.connect (boost::bind (&VideoPanel::fade_out_changed, this));
203
204         _reference->Bind                     (wxEVT_CHECKBOX, boost::bind (&VideoPanel::reference_clicked, this));
205         _scale_fit->Bind                     (wxEVT_RADIOBUTTON, boost::bind (&VideoPanel::scale_fit_clicked, this));
206         _scale_custom->Bind                  (wxEVT_RADIOBUTTON, boost::bind (&VideoPanel::scale_custom_clicked, this));
207         _scale_custom_edit->Bind             (wxEVT_BUTTON,   boost::bind (&VideoPanel::scale_custom_edit_clicked, this));
208         _colour_conversion->Bind             (wxEVT_CHOICE,   boost::bind (&VideoPanel::colour_conversion_changed, this));
209         _range->Bind                         (wxEVT_CHOICE,   boost::bind (&VideoPanel::range_changed, this));
210         _edit_colour_conversion_button->Bind (wxEVT_BUTTON,   boost::bind (&VideoPanel::edit_colour_conversion_clicked, this));
211         _left_right_link->Bind               (wxEVT_TOGGLEBUTTON, boost::bind(&VideoPanel::left_right_link_clicked, this));
212         _top_bottom_link->Bind               (wxEVT_TOGGLEBUTTON, boost::bind(&VideoPanel::top_bottom_link_clicked, this));
213
214         add_to_grid ();
215 }
216
217 void
218 VideoPanel::add_to_grid ()
219 {
220         int r = 0;
221
222         wxBoxSizer* reference_sizer = new wxBoxSizer (wxVERTICAL);
223         reference_sizer->Add (_reference, 0);
224         reference_sizer->Add (_reference_note, 0);
225         _grid->Add (reference_sizer, wxGBPosition(r, 0), wxGBSpan(1, 3));
226         ++r;
227
228         add_label_to_sizer (_grid, _type_label, true, wxGBPosition(r, 0));
229         _frame_type->add (_grid, wxGBPosition(r, 1), wxGBSpan(1, 2));
230         ++r;
231
232         int cr = 0;
233         wxGridBagSizer* crop = new wxGridBagSizer (DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
234         add_label_to_sizer (crop, _left_crop_label, true, wxGBPosition (cr, 0));
235         _left_crop->add (crop, wxGBPosition (cr, 1));
236 #ifdef __WXGTK3__
237         crop->Add (_left_right_link, wxGBPosition(cr, 2), wxGBSpan(2, 1));
238         ++cr;
239         add_label_to_sizer (crop, _right_crop_label, true, wxGBPosition(cr, 0));
240         _right_crop->add (crop, wxGBPosition(cr, 1));
241 #else
242         crop->Add (_left_right_link, wxGBPosition(cr, 2));
243         add_label_to_sizer (crop, _right_crop_label, true, wxGBPosition (cr, 3));
244         _right_crop->add (crop, wxGBPosition (cr, 4));
245 #endif
246         ++cr;
247         add_label_to_sizer (crop, _top_crop_label, true, wxGBPosition (cr, 0));
248         _top_crop->add (crop, wxGBPosition (cr, 1));
249 #ifdef __WXGTK3__
250         crop->Add (_top_bottom_link, wxGBPosition(cr, 2), wxGBSpan(2, 1));
251         ++cr;
252         add_label_to_sizer (crop, _bottom_crop_label, true, wxGBPosition(cr, 0));
253         _bottom_crop->add (crop, wxGBPosition(cr, 1));
254 #else
255         crop->Add (_top_bottom_link, wxGBPosition(cr, 2));
256         add_label_to_sizer (crop, _bottom_crop_label, true, wxGBPosition (cr, 3));
257         _bottom_crop->add (crop, wxGBPosition (cr, 4));
258 #endif
259         add_label_to_sizer (_grid, _crop_label, true, wxGBPosition(r, 0));
260         _grid->Add (crop, wxGBPosition(r, 1));
261         ++r;
262
263         add_label_to_sizer (_grid, _fade_in_label, true, wxGBPosition (r, 0));
264         _grid->Add (_fade_in, wxGBPosition (r, 1), wxGBSpan (1, 3));
265         ++r;
266
267         add_label_to_sizer (_grid, _fade_out_label, true, wxGBPosition (r, 0));
268         _grid->Add (_fade_out, wxGBPosition (r, 1), wxGBSpan (1, 3));
269         ++r;
270
271         add_label_to_sizer (_grid, _scale_label, true, wxGBPosition (r, 0));
272         {
273                 wxSizer* v = new wxBoxSizer (wxVERTICAL);
274                 v->Add (_scale_fit, 0, wxBOTTOM, 4);
275                 wxSizer* h = new wxBoxSizer (wxHORIZONTAL);
276                 h->Add (_scale_custom, 1, wxRIGHT | wxALIGN_CENTER_VERTICAL, 6);
277                 h->Add (_scale_custom_edit, 0, wxALIGN_CENTER_VERTICAL);
278                 v->Add (h, 0);
279                 _grid->Add (v, wxGBPosition(r, 1));
280         }
281         ++r;
282
283         add_label_to_sizer (_grid, _colour_conversion_label, true, wxGBPosition(r, 0));
284         {
285                 wxSizer* s = new wxBoxSizer (wxHORIZONTAL);
286                 s->Add (_colour_conversion, 1, wxALIGN_CENTER_VERTICAL | wxTOP | wxBOTTOM | wxRIGHT, 6);
287                 s->Add (_edit_colour_conversion_button, 0, wxALIGN_CENTER_VERTICAL);
288                 _grid->Add (s, wxGBPosition (r, 1), wxDefaultSpan, wxALIGN_CENTER_VERTICAL);
289         }
290         ++r;
291
292         add_label_to_sizer (_grid, _range_label, true, wxGBPosition(r, 0));
293         _grid->Add (_range, wxGBPosition(r, 1), wxGBSpan(1, 2), wxALIGN_CENTER_VERTICAL);
294         ++r;
295
296         _grid->Add (_description, wxGBPosition (r, 0), wxGBSpan (1, 4), wxEXPAND | wxALIGN_CENTER_VERTICAL, 6);
297         ++r;
298 }
299
300 void
301 VideoPanel::range_changed ()
302 {
303         ContentList vc = _parent->selected_video ();
304         if (vc.size() != 1) {
305                 return;
306         }
307
308         switch (_range->GetSelection()) {
309         case 0:
310                 vc.front()->video->set_range (VIDEO_RANGE_FULL);
311                 break;
312         case 1:
313                 vc.front()->video->set_range (VIDEO_RANGE_VIDEO);
314                 break;
315         default:
316                 DCPOMATIC_ASSERT (false);
317         }
318 }
319
320
321 void
322 VideoPanel::film_changed (Film::Property property)
323 {
324         switch (property) {
325         case Film::VIDEO_FRAME_RATE:
326         case Film::CONTAINER:
327         case Film::RESOLUTION:
328                 setup_description ();
329                 setup_sensitivity ();
330                 break;
331         case Film::REEL_TYPE:
332         case Film::INTEROP:
333                 setup_sensitivity ();
334                 break;
335         default:
336                 break;
337         }
338 }
339
340 std::size_t
341 hash_value (boost::optional<ColourConversion> const & c)
342 {
343         boost::hash<string> hasher;
344         if (!c) {
345                 return hasher ("none");
346         }
347         return hasher (c->identifier());
348 }
349
350
351 void
352 VideoPanel::film_content_changed (int property)
353 {
354         ContentList vc = _parent->selected_video ();
355         shared_ptr<Content> vcs;
356         shared_ptr<FFmpegContent> fcs;
357         if (!vc.empty ()) {
358                 vcs = vc.front ();
359                 fcs = dynamic_pointer_cast<FFmpegContent> (vcs);
360         }
361
362         if (property == ContentProperty::VIDEO_FRAME_RATE ||
363             property == VideoContentProperty::FRAME_TYPE ||
364             property == VideoContentProperty::CROP ||
365             property == VideoContentProperty::SCALE) {
366                 setup_description ();
367         } else if (property == VideoContentProperty::COLOUR_CONVERSION) {
368                 boost::unordered_set<optional<ColourConversion> > check;
369                 BOOST_FOREACH (shared_ptr<const Content> i, vc) {
370                         check.insert (i->video->colour_conversion());
371                 }
372
373                 /* Remove any "Many" entry that we might have added previously.  There should
374                  * be entries for each preset plus one for "None" and one for "Custom".
375                  */
376                 vector<PresetColourConversion> cc = PresetColourConversion::all ();
377                 if (_colour_conversion->GetCount() > cc.size() + 2) {
378                         _colour_conversion->Delete (_colour_conversion->GetCount() - 1);
379                 }
380
381                 if (check.size() == 1) {
382                         if (vcs && vcs->video->colour_conversion ()) {
383                                 optional<size_t> preset = vcs->video->colour_conversion().get().preset ();
384                                 if (preset) {
385                                         checked_set (_colour_conversion, preset.get() + 1);
386                                 } else {
387                                         checked_set (_colour_conversion, cc.size() + 1);
388                                 }
389                         } else {
390                                 checked_set (_colour_conversion, 0);
391                         }
392                 } else if (check.size() > 1) {
393                         /* Add a "many" entry and select it as an indication that multiple different
394                          * colour conversions are present in the selection.
395                          */
396                         _colour_conversion->Append (_("Many"));
397                         checked_set (_colour_conversion, _colour_conversion->GetCount() - 1);
398                 }
399
400                 setup_sensitivity ();
401
402         } else if (property == VideoContentProperty::USE) {
403                 setup_sensitivity ();
404         } else if (property == VideoContentProperty::FADE_IN) {
405                 set<Frame> check;
406                 BOOST_FOREACH (shared_ptr<const Content> i, vc) {
407                         check.insert (i->video->fade_in ());
408                 }
409
410                 if (check.size() == 1) {
411                         _fade_in->set (
412                                 ContentTime::from_frames (vc.front()->video->fade_in(), vc.front()->active_video_frame_rate(_parent->film())),
413                                 vc.front()->active_video_frame_rate(_parent->film())
414                                 );
415                 } else {
416                         _fade_in->clear ();
417                 }
418         } else if (property == VideoContentProperty::FADE_OUT) {
419                 set<Frame> check;
420                 BOOST_FOREACH (shared_ptr<const Content> i, vc) {
421                         check.insert (i->video->fade_out ());
422                 }
423
424                 if (check.size() == 1) {
425                         _fade_out->set (
426                                 ContentTime::from_frames (vc.front()->video->fade_out(), vc.front()->active_video_frame_rate(_parent->film())),
427                                 vc.front()->active_video_frame_rate(_parent->film())
428                                 );
429                 } else {
430                         _fade_out->clear ();
431                 }
432         } else if (property == DCPContentProperty::REFERENCE_VIDEO) {
433                 if (vc.size() == 1) {
434                         shared_ptr<DCPContent> dcp = dynamic_pointer_cast<DCPContent> (vc.front ());
435                         checked_set (_reference, dcp ? dcp->reference_video () : false);
436                 } else {
437                         checked_set (_reference, false);
438                 }
439
440                 setup_sensitivity ();
441         } else if (property == VideoContentProperty::RANGE) {
442                 if (vcs) {
443                         checked_set (_range, vcs->video->range() == VIDEO_RANGE_FULL ? 0 : 1);
444                 } else {
445                         checked_set (_range, 0);
446                 }
447
448                 setup_sensitivity ();
449         } else if (property == VideoContentProperty::CUSTOM_RATIO || property == VideoContentProperty::CUSTOM_SIZE) {
450                 set<Frame> check;
451                 BOOST_FOREACH (shared_ptr<const Content> i, vc) {
452                         check.insert (i->video->custom_ratio() || i->video->custom_size());
453                 }
454
455                 if (check.size() == 1) {
456                         checked_set (_scale_fit, !vc.front()->video->custom_ratio() && !vc.front()->video->custom_size());
457                         checked_set (_scale_custom, vc.front()->video->custom_ratio() || vc.front()->video->custom_size());
458                 } else {
459                         checked_set (_scale_fit, true);
460                         checked_set (_scale_custom, false);
461                 }
462                 setup_sensitivity ();
463         }
464 }
465
466
467 void
468 VideoPanel::setup_description ()
469 {
470         ContentList vc = _parent->selected_video ();
471         if (vc.empty ()) {
472                 checked_set (_description, wxT (""));
473                 return;
474         } else if (vc.size() > 1) {
475                 checked_set (_description, _("Multiple content selected"));
476                 return;
477         }
478
479         string d = vc.front()->video->processing_description (_parent->film());
480         size_t lines = count (d.begin(), d.end(), '\n');
481
482         for (int i = lines; i < 6; ++i) {
483                 d += "\n ";
484         }
485
486         checked_set (_description, d);
487         _sizer->Layout ();
488 }
489
490 void
491 VideoPanel::colour_conversion_changed ()
492 {
493         ContentList vc = _parent->selected_video ();
494
495         int const s = _colour_conversion->GetSelection ();
496         vector<PresetColourConversion> all = PresetColourConversion::all ();
497
498         if (s == int(all.size() + 1)) {
499                 edit_colour_conversion_clicked ();
500         } else {
501                 BOOST_FOREACH (shared_ptr<Content> i, _parent->selected_video()) {
502                         if (s == 0) {
503                                 i->video->unset_colour_conversion ();
504                         } else if (s != int(all.size() + 2)) {
505                                 i->video->set_colour_conversion (all[s - 1].conversion);
506                         }
507                 }
508         }
509 }
510
511 void
512 VideoPanel::edit_colour_conversion_clicked ()
513 {
514         ContentList vc = _parent->selected_video ();
515
516         ContentColourConversionDialog* d = new ContentColourConversionDialog (this, vc.front()->video->yuv ());
517         d->set (vc.front()->video->colour_conversion().get_value_or (PresetColourConversion::all().front().conversion));
518         if (d->ShowModal() == wxID_OK) {
519                 BOOST_FOREACH (shared_ptr<Content> i, vc) {
520                         i->video->set_colour_conversion (d->get ());
521                 }
522         } else {
523                 /* Reset the colour conversion choice */
524                 film_content_changed (VideoContentProperty::COLOUR_CONVERSION);
525         }
526         d->Destroy ();
527 }
528
529 void
530 VideoPanel::content_selection_changed ()
531 {
532         ContentList video_sel = _parent->selected_video ();
533
534         _frame_type->set_content (video_sel);
535         _left_crop->set_content (video_sel);
536         _right_crop->set_content (video_sel);
537         _top_crop->set_content (video_sel);
538         _bottom_crop->set_content (video_sel);
539
540         film_content_changed (ContentProperty::VIDEO_FRAME_RATE);
541         film_content_changed (VideoContentProperty::CROP);
542         film_content_changed (VideoContentProperty::COLOUR_CONVERSION);
543         film_content_changed (VideoContentProperty::FADE_IN);
544         film_content_changed (VideoContentProperty::FADE_OUT);
545         film_content_changed (VideoContentProperty::RANGE);
546         film_content_changed (VideoContentProperty::USE);
547         film_content_changed (VideoContentProperty::CUSTOM_RATIO);
548         film_content_changed (VideoContentProperty::CUSTOM_SIZE);
549         film_content_changed (FFmpegContentProperty::FILTERS);
550         film_content_changed (DCPContentProperty::REFERENCE_VIDEO);
551
552         setup_sensitivity ();
553 }
554
555 void
556 VideoPanel::setup_sensitivity ()
557 {
558         ContentList sel = _parent->selected ();
559
560         shared_ptr<DCPContent> dcp;
561         if (sel.size() == 1) {
562                 dcp = dynamic_pointer_cast<DCPContent> (sel.front ());
563         }
564
565         string why_not;
566         bool const can_reference = dcp && dcp->can_reference_video (_parent->film(), why_not);
567         wxString cannot;
568         if (why_not.empty()) {
569                 cannot = _("Cannot reference this DCP's video.");
570         } else {
571                 cannot = _("Cannot reference this DCP's video: ") + std_to_wx(why_not);
572         }
573         setup_refer_button (_reference, _reference_note, dcp, can_reference, cannot);
574
575         bool any_use = false;
576         BOOST_FOREACH (shared_ptr<Content> i, _parent->selected_video()) {
577                 if (i->video && i->video->use()) {
578                         any_use = true;
579                 }
580         }
581
582         bool const enable = !_reference->GetValue() && any_use;
583
584         if (!enable) {
585                 _frame_type->wrapped()->Enable (false);
586                 _left_crop->wrapped()->Enable (false);
587                 _right_crop->wrapped()->Enable (false);
588                 _top_crop->wrapped()->Enable (false);
589                 _bottom_crop->wrapped()->Enable (false);
590                 _fade_in->Enable (false);
591                 _fade_out->Enable (false);
592                 _scale_fit->Enable (false);
593                 _scale_custom->Enable (false);
594                 _scale_custom_edit->Enable (false);
595                 _description->Enable (false);
596                 _colour_conversion->Enable (false);
597                 _range->Enable (false);
598         } else {
599                 ContentList video_sel = _parent->selected_video ();
600                 FFmpegContentList ffmpeg_sel = _parent->selected_ffmpeg ();
601                 bool const single = video_sel.size() == 1;
602
603                 _frame_type->wrapped()->Enable (true);
604                 _left_crop->wrapped()->Enable (true);
605                 _right_crop->wrapped()->Enable (true);
606                 _top_crop->wrapped()->Enable (true);
607                 _bottom_crop->wrapped()->Enable (true);
608                 _fade_in->Enable (!video_sel.empty ());
609                 _fade_out->Enable (!video_sel.empty ());
610                 _scale_fit->Enable (true);
611                 _scale_custom->Enable (true);
612                 _scale_custom_edit->Enable (_scale_custom->GetValue());
613                 _description->Enable (true);
614                 _colour_conversion->Enable (!video_sel.empty());
615                 _range->Enable (single && !video_sel.empty() && !dcp);
616         }
617
618         ContentList vc = _parent->selected_video ();
619         shared_ptr<Content> vcs;
620         if (!vc.empty ()) {
621                 vcs = vc.front ();
622         }
623
624         if (vcs && vcs->video->colour_conversion ()) {
625                 _edit_colour_conversion_button->Enable (!vcs->video->colour_conversion().get().preset());
626         } else {
627                 _edit_colour_conversion_button->Enable (false);
628         }
629 }
630
631 void
632 VideoPanel::fade_in_changed ()
633 {
634         BOOST_FOREACH (shared_ptr<Content> i, _parent->selected_video ()) {
635                 double const vfr = i->active_video_frame_rate (_parent->film());
636                 i->video->set_fade_in (_fade_in->get(vfr).frames_round(vfr));
637         }
638 }
639
640 void
641 VideoPanel::fade_out_changed ()
642 {
643         BOOST_FOREACH (shared_ptr<Content> i, _parent->selected_video ()) {
644                 double const vfr = i->active_video_frame_rate (_parent->film());
645                 i->video->set_fade_out (_fade_out->get(vfr).frames_round(vfr));
646         }
647 }
648
649
650 void
651 VideoPanel::reference_clicked ()
652 {
653         ContentList c = _parent->selected ();
654         if (c.size() != 1) {
655                 return;
656         }
657
658         shared_ptr<DCPContent> d = dynamic_pointer_cast<DCPContent> (c.front ());
659         if (!d) {
660                 return;
661         }
662
663         d->set_reference_video (_reference->GetValue ());
664 }
665
666
667 void
668 VideoPanel::scale_fit_clicked ()
669 {
670         BOOST_FOREACH (shared_ptr<Content> i, _parent->selected_video()) {
671                 i->video->set_custom_ratio (optional<float>());
672         }
673 }
674
675
676 void
677 VideoPanel::scale_custom_clicked ()
678 {
679         if (!scale_custom_edit_clicked()) {
680                 _scale_fit->SetValue (true);
681         }
682 }
683
684
685 bool
686 VideoPanel::scale_custom_edit_clicked ()
687 {
688         shared_ptr<const VideoContent> vc = _parent->selected_video().front()->video;
689         CustomScaleDialog* d = new CustomScaleDialog (this, vc->size(), _parent->film()->frame_size(), vc->custom_ratio(), vc->custom_size());
690         int const r = d->ShowModal ();
691         if (r == wxID_OK) {
692                 BOOST_FOREACH (shared_ptr<Content> i, _parent->selected_video()) {
693                         i->video->set_custom_ratio (d->custom_ratio());
694                         i->video->set_custom_size (d->custom_size());
695                 }
696         }
697         d->Destroy ();
698         return r == wxID_OK;
699 }
700
701
702 void
703 VideoPanel::left_right_link_clicked ()
704 {
705         right_crop_changed ();
706 }
707
708
709 void
710 VideoPanel::top_bottom_link_clicked ()
711 {
712         bottom_crop_changed ();
713 }
714
715
716 void
717 VideoPanel::left_crop_changed ()
718 {
719         if (_left_right_link->GetValue()) {
720                 BOOST_FOREACH (shared_ptr<Content> i, _parent->selected_video()) {
721                         i->video->set_right_crop (i->video->left_crop());
722                 }
723         }
724 }
725
726
727 void
728 VideoPanel::right_crop_changed ()
729 {
730         if (_left_right_link->GetValue()) {
731                 BOOST_FOREACH (shared_ptr<Content> i, _parent->selected_video()) {
732                         i->video->set_left_crop (i->video->right_crop());
733                 }
734         }
735 }
736
737
738 void
739 VideoPanel::top_crop_changed ()
740 {
741         if (_top_bottom_link->GetValue()) {
742                 BOOST_FOREACH (shared_ptr<Content> i, _parent->selected_video()) {
743                         i->video->set_bottom_crop (i->video->top_crop());
744                 }
745         }
746 }
747
748
749 void
750 VideoPanel::bottom_crop_changed ()
751 {
752         if (_top_bottom_link->GetValue()) {
753                 BOOST_FOREACH (shared_ptr<Content> i, _parent->selected_video()) {
754                         i->video->set_top_crop (i->video->bottom_crop());
755                 }
756         }
757 }
758
759
760