2 Copyright (C) 2012-2016 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #include "timing_panel.h"
22 #include "film_viewer.h"
24 #include "content_panel.h"
25 #include "lib/content.h"
26 #include "lib/image_content.h"
27 #include "lib/raw_convert.h"
28 #include "lib/subtitle_content.h"
29 #include "lib/dcp_subtitle_content.h"
30 #include "lib/audio_content.h"
31 #include "lib/text_subtitle_content.h"
32 #include "lib/video_content.h"
33 #include <boost/foreach.hpp>
40 using boost::shared_ptr;
41 using boost::dynamic_pointer_cast;
42 using boost::optional;
44 TimingPanel::TimingPanel (ContentPanel* p, FilmViewer* viewer)
45 /* horrid hack for apparent lack of context support with wxWidgets i18n code */
46 /// TRANSLATORS: translate the word "Timing" here; do not include the "Timing|" prefix
47 : ContentSubPanel (p, S_("Timing|Timing"))
50 wxFlexGridSizer* grid = new wxFlexGridSizer (2, 4, 4);
51 _sizer->Add (grid, 0, wxALL, 8);
53 wxSize size = TimecodeBase::size (this);
55 wxSizer* labels = new wxBoxSizer (wxHORIZONTAL);
56 //// TRANSLATORS: this is an abbreviation for "hours"
57 wxStaticText* t = new wxStaticText (this, wxID_ANY, _("h"), wxDefaultPosition, size, wxALIGN_CENTRE_HORIZONTAL);
58 #ifdef DCPOMATIC_LINUX
59 /* Hack to work around failure to centre text on GTK */
60 gtk_label_set_line_wrap (GTK_LABEL (t->GetHandle()), FALSE);
62 labels->Add (t, 1, wxEXPAND);
63 add_label_to_sizer (labels, this, wxT (":"), false);
64 //// TRANSLATORS: this is an abbreviation for "minutes"
65 t = new wxStaticText (this, wxID_ANY, _("m"), wxDefaultPosition, size, wxALIGN_CENTRE_HORIZONTAL);
66 #ifdef DCPOMATIC_LINUX
67 gtk_label_set_line_wrap (GTK_LABEL (t->GetHandle()), FALSE);
69 labels->Add (t, 1, wxEXPAND);
70 add_label_to_sizer (labels, this, wxT (":"), false);
71 //// TRANSLATORS: this is an abbreviation for "seconds"
72 t = new wxStaticText (this, wxID_ANY, _("s"), wxDefaultPosition, size, wxALIGN_CENTRE_HORIZONTAL);
73 #ifdef DCPOMATIC_LINUX
74 gtk_label_set_line_wrap (GTK_LABEL (t->GetHandle()), FALSE);
76 labels->Add (t, 1, wxEXPAND);
77 add_label_to_sizer (labels, this, wxT (":"), false);
78 //// TRANSLATORS: this is an abbreviation for "frames"
79 t = new wxStaticText (this, wxID_ANY, _("f"), wxDefaultPosition, size, wxALIGN_CENTRE_HORIZONTAL);
80 #ifdef DCPOMATIC_LINUX
81 gtk_label_set_line_wrap (GTK_LABEL (t->GetHandle()), FALSE);
83 labels->Add (t, 1, wxEXPAND);
84 grid->Add (new wxStaticText (this, wxID_ANY, wxT ("")));
87 add_label_to_sizer (grid, this, _("Position"), true);
88 _position = new Timecode<DCPTime> (this);
89 grid->Add (_position);
90 add_label_to_sizer (grid, this, _("Full length"), true);
91 _full_length = new Timecode<DCPTime> (this);
92 grid->Add (_full_length);
93 add_label_to_sizer (grid, this, _("Trim from start"), true);
94 _trim_start = new Timecode<ContentTime> (this);
95 grid->Add (_trim_start);
96 _trim_start_to_playhead = new wxButton (this, wxID_ANY, _("Trim up to current position"));
98 grid->Add (_trim_start_to_playhead);
99 add_label_to_sizer (grid, this, _("Trim from end"), true);
100 _trim_end = new Timecode<ContentTime> (this);
101 grid->Add (_trim_end);
102 _trim_end_to_playhead = new wxButton (this, wxID_ANY, _("Trim after current position"));
104 grid->Add (_trim_end_to_playhead);
105 add_label_to_sizer (grid, this, _("Play length"), true);
106 _play_length = new Timecode<DCPTime> (this);
107 grid->Add (_play_length);
110 add_label_to_sizer (grid, this, _("Video frame rate"), true);
111 wxBoxSizer* s = new wxBoxSizer (wxHORIZONTAL);
112 _video_frame_rate = new wxTextCtrl (this, wxID_ANY);
113 s->Add (_video_frame_rate, 1, wxEXPAND);
114 _set_video_frame_rate = new wxButton (this, wxID_ANY, _("Set"));
115 _set_video_frame_rate->Enable (false);
116 s->Add (_set_video_frame_rate, 0, wxLEFT | wxRIGHT, 8);
117 grid->Add (s, 1, wxEXPAND);
122 /* We can't use Wrap() here as it doesn't work with markup:
123 * http://trac.wxwidgets.org/ticket/13389
126 wxString in = _("<i>Only change this if it the content's frame rate has been read incorrectly.</i>");
128 int const width = 20;
130 for (size_t i = 0; i < in.Length(); ++i) {
131 if (in[i] == ' ' && current >= width) {
140 t = new wxStaticText (this, wxID_ANY, wxT (""));
141 t->SetLabelMarkup (out);
142 grid->Add (t, 0, wxALIGN_CENTER_VERTICAL | wxLEFT | wxRIGHT, 6);
144 _position->Changed.connect (boost::bind (&TimingPanel::position_changed, this));
145 _full_length->Changed.connect (boost::bind (&TimingPanel::full_length_changed, this));
146 _trim_start->Changed.connect (boost::bind (&TimingPanel::trim_start_changed, this));
147 _trim_start_to_playhead->Bind (wxEVT_COMMAND_BUTTON_CLICKED, boost::bind (&TimingPanel::trim_start_to_playhead_clicked, this));
148 _trim_end->Changed.connect (boost::bind (&TimingPanel::trim_end_changed, this));
149 _trim_end_to_playhead->Bind (wxEVT_COMMAND_BUTTON_CLICKED, boost::bind (&TimingPanel::trim_end_to_playhead_clicked, this));
150 _play_length->Changed.connect (boost::bind (&TimingPanel::play_length_changed, this));
151 _video_frame_rate->Bind (wxEVT_COMMAND_TEXT_UPDATED, boost::bind (&TimingPanel::video_frame_rate_changed, this));
152 _set_video_frame_rate->Bind (wxEVT_COMMAND_BUTTON_CLICKED, boost::bind (&TimingPanel::set_video_frame_rate, this));
154 _viewer->ImageChanged.connect (boost::bind (&TimingPanel::setup_sensitivity, this));
156 setup_sensitivity ();
160 TimingPanel::update_full_length ()
163 BOOST_FOREACH (shared_ptr<const Content> i, _parent->selected ()) {
164 check.insert (i->full_length ());
167 if (check.size() == 1) {
168 _full_length->set (_parent->selected().front()->full_length (), _parent->film()->video_frame_rate ());
170 _full_length->clear ();
175 TimingPanel::update_play_length ()
178 BOOST_FOREACH (shared_ptr<const Content> i, _parent->selected ()) {
179 check.insert (i->length_after_trim ());
182 if (check.size() == 1) {
183 _play_length->set (_parent->selected().front()->length_after_trim (), _parent->film()->video_frame_rate ());
185 _play_length->clear ();
190 TimingPanel::film_content_changed (int property)
192 int const film_video_frame_rate = _parent->film()->video_frame_rate ();
194 /* Here we check to see if we have exactly one different value of various
195 properties, and fill the controls with that value if so.
198 if (property == ContentProperty::POSITION) {
201 BOOST_FOREACH (shared_ptr<const Content> i, _parent->selected ()) {
202 check.insert (i->position ());
205 if (check.size() == 1) {
206 _position->set (_parent->selected().front()->position(), film_video_frame_rate);
212 property == ContentProperty::LENGTH ||
213 property == VideoContentProperty::VIDEO_FRAME_RATE ||
214 property == VideoContentProperty::VIDEO_FRAME_TYPE ||
215 property == AudioContentProperty::AUDIO_VIDEO_FRAME_RATE ||
216 property == SubtitleContentProperty::SUBTITLE_VIDEO_FRAME_RATE
219 update_full_length ();
221 } else if (property == ContentProperty::TRIM_START) {
223 set<ContentTime> check;
224 BOOST_FOREACH (shared_ptr<const Content> i, _parent->selected ()) {
225 check.insert (i->trim_start ());
228 if (check.size() == 1) {
229 _trim_start->set (_parent->selected().front()->trim_start (), film_video_frame_rate);
231 _trim_start->clear ();
234 } else if (property == ContentProperty::TRIM_END) {
236 set<ContentTime> check;
237 BOOST_FOREACH (shared_ptr<const Content> i, _parent->selected ()) {
238 check.insert (i->trim_end ());
241 if (check.size() == 1) {
242 _trim_end->set (_parent->selected().front()->trim_end (), film_video_frame_rate);
249 property == ContentProperty::LENGTH ||
250 property == ContentProperty::TRIM_START ||
251 property == ContentProperty::TRIM_END ||
252 property == VideoContentProperty::VIDEO_FRAME_RATE ||
253 property == VideoContentProperty::VIDEO_FRAME_TYPE ||
254 property == AudioContentProperty::AUDIO_VIDEO_FRAME_RATE ||
255 property == SubtitleContentProperty::SUBTITLE_VIDEO_FRAME_RATE
258 update_play_length ();
261 if (property == VideoContentProperty::VIDEO_FRAME_RATE || property == SubtitleContentProperty::SUBTITLE_VIDEO_FRAME_RATE) {
262 set<double> check_vc;
263 shared_ptr<const Content> vc;
265 shared_ptr<const Content> ac;
267 shared_ptr<const Content> sc;
268 BOOST_FOREACH (shared_ptr<const Content> i, _parent->selected ()) {
270 check_vc.insert (i->video->video_frame_rate ());
273 shared_ptr<const AudioContent> at = dynamic_pointer_cast<const AudioContent> (i);
285 bool const single_frame_image_content = vc && dynamic_pointer_cast<const ImageContent> (vc) && vc->number_of_paths() == 1;
287 if ((check_vc.size() == 1 || count_ac == 1 || count_sc == 1) && !single_frame_image_content) {
289 checked_set (_video_frame_rate, raw_convert<string> (vc->video->video_frame_rate (), 5));
291 checked_set (_video_frame_rate, raw_convert<string> (ac->audio->audio_video_frame_rate (), 5));
293 checked_set (_video_frame_rate, raw_convert<string> (sc->subtitle_video_frame_rate (), 5));
295 _video_frame_rate->Enable (true);
297 checked_set (_video_frame_rate, wxT (""));
298 _video_frame_rate->Enable (false);
302 bool have_still = false;
303 BOOST_FOREACH (shared_ptr<const Content> i, _parent->selected ()) {
304 shared_ptr<const ImageContent> ic = dynamic_pointer_cast<const ImageContent> (i);
305 if (ic && ic->still ()) {
310 _full_length->set_editable (have_still);
311 _play_length->set_editable (!have_still);
312 _set_video_frame_rate->Enable (false);
313 setup_sensitivity ();
317 TimingPanel::position_changed ()
319 BOOST_FOREACH (shared_ptr<Content> i, _parent->selected ()) {
320 i->set_position (_position->get (_parent->film()->video_frame_rate ()));
325 TimingPanel::full_length_changed ()
327 BOOST_FOREACH (shared_ptr<Content> i, _parent->selected ()) {
328 shared_ptr<ImageContent> ic = dynamic_pointer_cast<ImageContent> (i);
329 if (ic && ic->still ()) {
330 int const vfr = _parent->film()->video_frame_rate ();
331 ic->video->set_video_length (_full_length->get (vfr).frames_round (vfr));
337 TimingPanel::trim_start_changed ()
339 DCPTime const ph = _viewer->position ();
341 _viewer->set_coalesce_player_changes (true);
343 shared_ptr<Content> ref;
344 optional<FrameRateChange> ref_frc;
345 optional<DCPTime> ref_ph;
346 BOOST_FOREACH (shared_ptr<Content> i, _parent->selected ()) {
347 if (i->position() <= ph && ph < i->end()) {
348 /* The playhead is in i. Use it as a reference to work out
349 where to put the playhead post-trim; we're trying to keep the playhead
350 at the same frame of content that we're looking at pre-trim.
353 ref_frc = _parent->film()->active_frame_rate_change (i->position ());
354 ref_ph = ph - i->position() + DCPTime (i->trim_start(), ref_frc.get());
357 i->set_trim_start (_trim_start->get (_parent->film()->video_frame_rate ()));
361 _viewer->set_position (max (DCPTime(), ref_ph.get() + ref->position() - DCPTime (ref->trim_start(), ref_frc.get())));
364 _viewer->set_coalesce_player_changes (false);
368 TimingPanel::trim_end_changed ()
370 _viewer->set_coalesce_player_changes (true);
372 BOOST_FOREACH (shared_ptr<Content> i, _parent->selected ()) {
373 i->set_trim_end (_trim_end->get (_parent->film()->video_frame_rate ()));
376 /* XXX: maybe playhead-off-the-end-of-the-film should be handled elsewhere */
377 if (_viewer->position() >= _parent->film()->length()) {
378 _viewer->set_position (_parent->film()->length() - DCPTime::from_frames (1, _parent->film()->video_frame_rate()));
381 _viewer->set_coalesce_player_changes (true);
385 TimingPanel::play_length_changed ()
387 BOOST_FOREACH (shared_ptr<Content> i, _parent->selected ()) {
388 FrameRateChange const frc = _parent->film()->active_frame_rate_change (i->position ());
390 ContentTime (i->full_length() - _play_length->get (_parent->film()->video_frame_rate()), frc)
397 TimingPanel::video_frame_rate_changed ()
399 _set_video_frame_rate->Enable (true);
403 TimingPanel::set_video_frame_rate ()
405 BOOST_FOREACH (shared_ptr<Content> i, _parent->selected ()) {
406 shared_ptr<VideoContent> vc = dynamic_pointer_cast<VideoContent> (i);
407 shared_ptr<AudioContent> ac = dynamic_pointer_cast<AudioContent> (i);
408 shared_ptr<DCPSubtitleContent> dsc = dynamic_pointer_cast<DCPSubtitleContent> (i);
409 shared_ptr<TextSubtitleContent> tsc = dynamic_pointer_cast<TextSubtitleContent> (i);
410 double const fr = raw_convert<double> (wx_to_std (_video_frame_rate->GetValue ()));
412 vc->set_video_frame_rate (fr);
414 /* Audio but not video, i.e. SndfileContent */
415 ac->set_audio_video_frame_rate (fr);
417 dsc->set_subtitle_video_frame_rate (fr);
419 tsc->set_subtitle_video_frame_rate (fr);
421 _set_video_frame_rate->Enable (false);
426 TimingPanel::content_selection_changed ()
428 setup_sensitivity ();
430 film_content_changed (ContentProperty::POSITION);
431 film_content_changed (ContentProperty::LENGTH);
432 film_content_changed (ContentProperty::TRIM_START);
433 film_content_changed (ContentProperty::TRIM_END);
434 film_content_changed (VideoContentProperty::VIDEO_FRAME_RATE);
435 film_content_changed (SubtitleContentProperty::SUBTITLE_VIDEO_FRAME_RATE);
436 film_content_changed (AudioContentProperty::AUDIO_VIDEO_FRAME_RATE);
440 TimingPanel::film_changed (Film::Property p)
442 if (p == Film::VIDEO_FRAME_RATE) {
443 update_full_length ();
444 update_play_length ();
449 TimingPanel::trim_start_to_playhead_clicked ()
451 DCPTime const ph = _viewer->position ();
452 optional<DCPTime> new_ph;
454 _viewer->set_coalesce_player_changes (true);
456 BOOST_FOREACH (shared_ptr<Content> i, _parent->selected ()) {
457 if (i->position() < ph && ph < i->end ()) {
458 FrameRateChange const frc = _parent->film()->active_frame_rate_change (i->position ());
459 i->set_trim_start (i->trim_start() + ContentTime (ph - i->position (), frc));
460 new_ph = i->position ();
465 _viewer->set_position (new_ph.get());
468 _viewer->set_coalesce_player_changes (false);
472 TimingPanel::trim_end_to_playhead_clicked ()
474 DCPTime const ph = _viewer->position ();
475 BOOST_FOREACH (shared_ptr<Content> i, _parent->selected ()) {
476 if (i->position() < ph && ph < i->end ()) {
477 FrameRateChange const frc = _parent->film()->active_frame_rate_change (i->position ());
478 i->set_trim_end (ContentTime (i->position() + i->full_length() - ph - DCPTime::from_frames (1, frc.dcp), frc) - i->trim_start());
484 TimingPanel::setup_sensitivity ()
486 bool const e = !_parent->selected().empty ();
488 _position->Enable (e);
489 _full_length->Enable (e);
490 _trim_start->Enable (e);
491 _trim_end->Enable (e);
492 _play_length->Enable (e);
493 _video_frame_rate->Enable (e);
495 DCPTime const ph = _viewer->position ();
496 bool any_over_ph = false;
497 BOOST_FOREACH (shared_ptr<const Content> i, _parent->selected ()) {
498 if (i->position() <= ph && ph < i->end()) {
503 _trim_start_to_playhead->Enable (any_over_ph);
504 _trim_end_to_playhead->Enable (any_over_ph);