2 Copyright (C) 2012 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.
28 #include <boost/filesystem.hpp>
29 #include <boost/algorithm/string.hpp>
30 #include <boost/lexical_cast.hpp>
31 #include <boost/date_time.hpp>
32 #include <libxml++/libxml++.h>
33 #include <libcxml/cxml.h>
39 #include "job_manager.h"
40 #include "ab_transcode_job.h"
41 #include "transcode_job.h"
42 #include "scp_dcp_job.h"
44 #include "exceptions.h"
45 #include "examine_content_job.h"
49 #include "ui_signaller.h"
50 #include "analyse_audio_job.h"
53 #include "ffmpeg_content.h"
54 #include "imagemagick_content.h"
55 #include "sndfile_content.h"
56 #include "dcp_content_type.h"
61 using std::stringstream;
73 using boost::shared_ptr;
74 using boost::lexical_cast;
75 using boost::to_upper_copy;
76 using boost::ends_with;
77 using boost::starts_with;
78 using boost::optional;
81 int const Film::state_version = 4;
83 /** Construct a Film object in a given directory, reading any metadata
84 * file that exists in that directory. An exception will be thrown if
85 * must_exist is true and the specified directory does not exist.
87 * @param d Film directory.
88 * @param must_exist true to throw an exception if does not exist.
91 Film::Film (string d, bool must_exist)
92 : _playlist (new Playlist)
93 , _use_dci_name (true)
94 , _trust_content_headers (true)
95 , _dcp_content_type (0)
96 , _format (Format::from_id ("185"))
97 , _scaler (Scaler::from_id ("bicubic"))
103 , _with_subtitles (false)
104 , _subtitle_offset (0)
105 , _subtitle_scale (1)
107 , _j2k_bandwidth (200000000)
108 , _dci_metadata (Config::instance()->default_dci_metadata ())
109 , _dcp_frame_rate (0)
112 set_dci_date_today ();
114 /* Make state.directory a complete path without ..s (where possible)
115 (Code swiped from Adam Bowen on stackoverflow)
118 boost::filesystem::path p (boost::filesystem::system_complete (d));
119 boost::filesystem::path result;
120 for (boost::filesystem::path::iterator i = p.begin(); i != p.end(); ++i) {
122 if (boost::filesystem::is_symlink (result) || result.filename() == "..") {
125 result = result.parent_path ();
127 } else if (*i != ".") {
132 set_directory (result.string ());
134 if (!boost::filesystem::exists (directory())) {
136 throw OpenFileError (directory());
138 boost::filesystem::create_directory (directory());
146 _log.reset (new FileLog (file ("log")));
149 Film::Film (Film const & o)
150 : boost::enable_shared_from_this<Film> (o)
151 /* note: the copied film shares the original's log */
153 , _playlist (new Playlist)
154 , _directory (o._directory)
156 , _use_dci_name (o._use_dci_name)
157 , _trust_content_headers (o._trust_content_headers)
158 , _dcp_content_type (o._dcp_content_type)
159 , _format (o._format)
161 , _filters (o._filters)
162 , _scaler (o._scaler)
163 , _trim_start (o._trim_start)
164 , _trim_end (o._trim_end)
166 , _audio_gain (o._audio_gain)
167 , _audio_delay (o._audio_delay)
168 , _with_subtitles (o._with_subtitles)
169 , _subtitle_offset (o._subtitle_offset)
170 , _subtitle_scale (o._subtitle_scale)
171 , _colour_lut (o._colour_lut)
172 , _j2k_bandwidth (o._j2k_bandwidth)
173 , _dci_metadata (o._dci_metadata)
174 , _dcp_frame_rate (o._dcp_frame_rate)
175 , _dci_date (o._dci_date)
178 for (ContentList::const_iterator i = o._content.begin(); i != o._content.end(); ++i) {
179 _content.push_back ((*i)->clone ());
182 _playlist->setup (_content);
186 Film::video_state_identifier () const
194 pair<string, string> f = Filter::ffmpeg_strings (filters());
198 << "_" << content_digest()
199 << "_" << crop().left << "_" << crop().right << "_" << crop().top << "_" << crop().bottom
200 << "_" << _dcp_frame_rate
201 << "_" << f.first << "_" << f.second
202 << "_" << scaler()->id()
203 << "_" << j2k_bandwidth()
204 << "_" << boost::lexical_cast<int> (colour_lut());
207 pair<string, string> fa = Filter::ffmpeg_strings (Config::instance()->reference_filters());
208 s << "ab_" << Config::instance()->reference_scaler()->id() << "_" << fa.first << "_" << fa.second;
215 /** @return The path to the directory to write video frame info files to */
217 Film::info_dir () const
219 boost::filesystem::path p;
221 p /= video_state_identifier ();
222 return dir (p.string());
226 Film::video_mxf_dir () const
228 boost::filesystem::path p;
229 return dir ("video");
233 Film::video_mxf_filename () const
235 return video_state_identifier() + ".mxf";
239 Film::audio_analysis_path () const
241 boost::filesystem::path p;
243 p /= "XXX";//content_digest();
244 return file (p.string ());
247 /** Add suitable Jobs to the JobManager to create a DCP for this Film */
251 set_dci_date_today ();
253 if (dcp_name().find ("/") != string::npos) {
254 throw BadSettingError (_("name"), _("cannot contain slashes"));
257 log()->log (String::compose ("DVD-o-matic %1 git %2 using %3", dvdomatic_version, dvdomatic_git_commit, dependency_version_summary()));
261 gethostname (buffer, sizeof (buffer));
262 log()->log (String::compose ("Starting to make DCP on %1", buffer));
265 // log()->log (String::compose ("Content is %1; type %2", content_path(), (content_type() == STILL ? _("still") : _("video"))));
267 // log()->log (String::compose ("Content length %1", length().get()));
269 // log()->log (String::compose ("Content digest %1", content_digest()));
270 // log()->log (String::compose ("Content at %1 fps, DCP at %2 fps", source_frame_rate(), dcp_frame_rate()));
271 log()->log (String::compose ("%1 threads", Config::instance()->num_local_encoding_threads()));
272 log()->log (String::compose ("J2K bandwidth %1", j2k_bandwidth()));
273 #ifdef DVDOMATIC_DEBUG
274 log()->log ("DVD-o-matic built in debug mode.");
276 log()->log ("DVD-o-matic built in optimised mode.");
279 log()->log ("libdcp built in debug mode.");
281 log()->log ("libdcp built in optimised mode.");
283 pair<string, int> const c = cpu_info ();
284 log()->log (String::compose ("CPU: %1, %2 processors", c.first, c.second));
287 throw MissingSettingError (_("format"));
290 if (content().empty ()) {
291 throw MissingSettingError (_("content"));
294 if (dcp_content_type() == 0) {
295 throw MissingSettingError (_("content type"));
298 if (name().empty()) {
299 throw MissingSettingError (_("name"));
305 r = JobManager::instance()->add (shared_ptr<Job> (new ABTranscodeJob (shared_from_this())));
307 r = JobManager::instance()->add (shared_ptr<Job> (new TranscodeJob (shared_from_this())));
311 /** Start a job to analyse the audio in our Playlist */
313 Film::analyse_audio ()
315 if (_analyse_audio_job) {
319 _analyse_audio_job.reset (new AnalyseAudioJob (shared_from_this()));
320 _analyse_audio_job->Finished.connect (bind (&Film::analyse_audio_finished, this));
321 JobManager::instance()->add (_analyse_audio_job);
324 /** Start a job to examine a piece of content */
326 Film::examine_content (shared_ptr<Content> c)
328 shared_ptr<Job> j (new ExamineContentJob (shared_from_this(), c, trust_content_headers ()));
329 JobManager::instance()->add (j);
333 Film::analyse_audio_finished ()
337 if (_analyse_audio_job->finished_ok ()) {
338 AudioAnalysisSucceeded ();
341 _analyse_audio_job.reset ();
344 /** Start a job to send our DCP to the configured TMS */
346 Film::send_dcp_to_tms ()
348 shared_ptr<Job> j (new SCPDCPJob (shared_from_this()));
349 JobManager::instance()->add (j);
352 /** Count the number of frames that have been encoded for this film.
353 * @return frame count.
356 Film::encoded_frames () const
363 for (boost::filesystem::directory_iterator i = boost::filesystem::directory_iterator (info_dir ()); i != boost::filesystem::directory_iterator(); ++i) {
365 boost::this_thread::interruption_point ();
371 /** Write state to our `metadata' file */
373 Film::write_metadata () const
375 ContentList the_content = content ();
377 boost::mutex::scoped_lock lm (_state_mutex);
379 boost::filesystem::create_directories (directory());
382 xmlpp::Element* root = doc.create_root_node ("Metadata");
384 root->add_child("Version")->add_child_text (boost::lexical_cast<string> (state_version));
385 root->add_child("Name")->add_child_text (_name);
386 root->add_child("UseDCIName")->add_child_text (_use_dci_name ? "1" : "0");
387 root->add_child("TrustContentHeaders")->add_child_text (_trust_content_headers ? "1" : "0");
388 if (_dcp_content_type) {
389 root->add_child("DCPContentType")->add_child_text (_dcp_content_type->dci_name ());
392 root->add_child("Format")->add_child_text (_format->id ());
394 root->add_child("LeftCrop")->add_child_text (boost::lexical_cast<string> (_crop.left));
395 root->add_child("RightCrop")->add_child_text (boost::lexical_cast<string> (_crop.right));
396 root->add_child("TopCrop")->add_child_text (boost::lexical_cast<string> (_crop.top));
397 root->add_child("BottomCrop")->add_child_text (boost::lexical_cast<string> (_crop.bottom));
399 for (vector<Filter const *>::const_iterator i = _filters.begin(); i != _filters.end(); ++i) {
400 root->add_child("Filter")->add_child_text ((*i)->id ());
403 root->add_child("Scaler")->add_child_text (_scaler->id ());
404 root->add_child("TrimStart")->add_child_text (boost::lexical_cast<string> (_trim_start));
405 root->add_child("TrimEnd")->add_child_text (boost::lexical_cast<string> (_trim_end));
406 root->add_child("AB")->add_child_text (_ab ? "1" : "0");
407 root->add_child("AudioGain")->add_child_text (boost::lexical_cast<string> (_audio_gain));
408 root->add_child("AudioDelay")->add_child_text (boost::lexical_cast<string> (_audio_delay));
409 root->add_child("WithSubtitles")->add_child_text (_with_subtitles ? "1" : "0");
410 root->add_child("SubtitleOffset")->add_child_text (boost::lexical_cast<string> (_subtitle_offset));
411 root->add_child("SubtitleScale")->add_child_text (boost::lexical_cast<string> (_subtitle_scale));
412 root->add_child("ColourLUT")->add_child_text (boost::lexical_cast<string> (_colour_lut));
413 root->add_child("J2KBandwidth")->add_child_text (boost::lexical_cast<string> (_j2k_bandwidth));
414 _dci_metadata.as_xml (root->add_child ("DCIMetadata"));
415 root->add_child("DCPFrameRate")->add_child_text (boost::lexical_cast<string> (_dcp_frame_rate));
416 root->add_child("DCIDate")->add_child_text (boost::gregorian::to_iso_string (_dci_date));
418 for (ContentList::iterator i = the_content.begin(); i != the_content.end(); ++i) {
419 (*i)->as_xml (root->add_child ("Content"));
422 doc.write_to_file_formatted (file ("metadata.xml"));
427 /** Read state from our metadata file */
429 Film::read_metadata ()
431 boost::mutex::scoped_lock lm (_state_mutex);
433 if (boost::filesystem::exists (file ("metadata")) && !boost::filesystem::exists (file ("metadata.xml"))) {
434 throw StringError (_("This film was created with an older version of DVD-o-matic, and unfortunately it cannot be loaded into this version. You will need to create a new Film, re-add your content and set it up again. Sorry!"));
437 cxml::File f (file ("metadata.xml"), "Metadata");
439 _name = f.string_child ("Name");
440 _use_dci_name = f.bool_child ("UseDCIName");
441 _trust_content_headers = f.bool_child ("TrustContentHeaders");
444 optional<string> c = f.optional_string_child ("DCPContentType");
446 _dcp_content_type = DCPContentType::from_dci_name (c.get ());
451 optional<string> c = f.optional_string_child ("Format");
453 _format = Format::from_id (c.get ());
457 _crop.left = f.number_child<int> ("LeftCrop");
458 _crop.right = f.number_child<int> ("RightCrop");
459 _crop.top = f.number_child<int> ("TopCrop");
460 _crop.bottom = f.number_child<int> ("BottomCrop");
463 list<shared_ptr<cxml::Node> > c = f.node_children ("Filter");
464 for (list<shared_ptr<cxml::Node> >::iterator i = c.begin(); i != c.end(); ++i) {
465 _filters.push_back (Filter::from_id ((*i)->content ()));
469 _scaler = Scaler::from_id (f.string_child ("Scaler"));
470 _trim_start = f.number_child<int> ("TrimStart");
471 _trim_end = f.number_child<int> ("TrimEnd");
472 _ab = f.bool_child ("AB");
473 _audio_gain = f.number_child<float> ("AudioGain");
474 _audio_delay = f.number_child<int> ("AudioDelay");
475 _with_subtitles = f.bool_child ("WithSubtitles");
476 _subtitle_offset = f.number_child<float> ("SubtitleOffset");
477 _subtitle_scale = f.number_child<float> ("SubtitleScale");
478 _colour_lut = f.number_child<int> ("ColourLUT");
479 _j2k_bandwidth = f.number_child<int> ("J2KBandwidth");
480 _dci_metadata = DCIMetadata (f.node_child ("DCIMetadata"));
481 _dcp_frame_rate = f.number_child<int> ("DCPFrameRate");
482 _dci_date = boost::gregorian::from_undelimited_string (f.string_child ("DCIDate"));
484 list<shared_ptr<cxml::Node> > c = f.node_children ("Content");
485 for (list<shared_ptr<cxml::Node> >::iterator i = c.begin(); i != c.end(); ++i) {
487 string const type = (*i)->string_child ("Type");
489 if (type == "FFmpeg") {
490 _content.push_back (shared_ptr<Content> (new FFmpegContent (*i)));
491 } else if (type == "ImageMagick") {
492 _content.push_back (shared_ptr<Content> (new ImageMagickContent (*i)));
493 } else if (type == "Sndfile") {
494 _content.push_back (shared_ptr<Content> (new SndfileContent (*i)));
500 _playlist->setup (_content);
504 Film::cropped_size (libdcp::Size s) const
506 boost::mutex::scoped_lock lm (_state_mutex);
507 s.width -= _crop.left + _crop.right;
508 s.height -= _crop.top + _crop.bottom;
512 /** Given a directory name, return its full path within the Film's directory.
513 * The directory (and its parents) will be created if they do not exist.
516 Film::dir (string d) const
518 boost::mutex::scoped_lock lm (_directory_mutex);
520 boost::filesystem::path p;
524 boost::filesystem::create_directories (p);
529 /** Given a file or directory name, return its full path within the Film's directory.
530 * _directory_mutex must not be locked on entry.
531 * Any required parent directories will be created.
534 Film::file (string f) const
536 boost::mutex::scoped_lock lm (_directory_mutex);
538 boost::filesystem::path p;
542 boost::filesystem::create_directories (p.parent_path ());
547 /** @return The sampling rate that we will resample the audio to */
549 Film::target_audio_sample_rate () const
555 /* Resample to a DCI-approved sample rate */
556 double t = dcp_audio_sample_rate (audio_frame_rate());
558 FrameRateConversion frc (video_frame_rate(), dcp_frame_rate());
560 /* Compensate if the DCP is being run at a different frame rate
561 to the source; that is, if the video is run such that it will
562 look different in the DCP compared to the source (slower or faster).
563 skip/repeat doesn't come into effect here.
566 if (frc.change_speed) {
567 t *= video_frame_rate() * frc.factor() / dcp_frame_rate();
573 /** @return a DCI-compliant name for a DCP of this film */
575 Film::dci_name (bool if_created_now) const
579 string fixed_name = to_upper_copy (name());
580 for (size_t i = 0; i < fixed_name.length(); ++i) {
581 if (fixed_name[i] == ' ') {
586 /* Spec is that the name part should be maximum 14 characters, as I understand it */
587 if (fixed_name.length() > 14) {
588 fixed_name = fixed_name.substr (0, 14);
593 if (dcp_content_type()) {
594 d << "_" << dcp_content_type()->dci_name();
598 d << "_" << format()->dci_name();
601 DCIMetadata const dm = dci_metadata ();
603 if (!dm.audio_language.empty ()) {
604 d << "_" << dm.audio_language;
605 if (!dm.subtitle_language.empty()) {
606 d << "-" << dm.subtitle_language;
612 if (!dm.territory.empty ()) {
613 d << "_" << dm.territory;
614 if (!dm.rating.empty ()) {
615 d << "-" << dm.rating;
619 switch (audio_channels ()) {
636 if (!dm.studio.empty ()) {
637 d << "_" << dm.studio;
640 if (if_created_now) {
641 d << "_" << boost::gregorian::to_iso_string (boost::gregorian::day_clock::local_day ());
643 d << "_" << boost::gregorian::to_iso_string (_dci_date);
646 if (!dm.facility.empty ()) {
647 d << "_" << dm.facility;
650 if (!dm.package_type.empty ()) {
651 d << "_" << dm.package_type;
657 /** @return name to give the DCP */
659 Film::dcp_name (bool if_created_now) const
661 if (use_dci_name()) {
662 return dci_name (if_created_now);
670 Film::set_directory (string d)
672 boost::mutex::scoped_lock lm (_state_mutex);
678 Film::set_name (string n)
681 boost::mutex::scoped_lock lm (_state_mutex);
684 signal_changed (NAME);
688 Film::set_use_dci_name (bool u)
691 boost::mutex::scoped_lock lm (_state_mutex);
694 signal_changed (USE_DCI_NAME);
698 Film::set_trust_content_headers (bool t)
701 boost::mutex::scoped_lock lm (_state_mutex);
702 _trust_content_headers = t;
705 signal_changed (TRUST_CONTENT_HEADERS);
707 if (!_trust_content_headers && !content().empty()) {
708 /* We just said that we don't trust the content's header */
709 ContentList c = content ();
710 for (ContentList::iterator i = c.begin(); i != c.end(); ++i) {
711 examine_content (*i);
717 Film::set_dcp_content_type (DCPContentType const * t)
720 boost::mutex::scoped_lock lm (_state_mutex);
721 _dcp_content_type = t;
723 signal_changed (DCP_CONTENT_TYPE);
727 Film::set_format (Format const * f)
730 boost::mutex::scoped_lock lm (_state_mutex);
733 signal_changed (FORMAT);
737 Film::set_crop (Crop c)
740 boost::mutex::scoped_lock lm (_state_mutex);
743 signal_changed (CROP);
747 Film::set_left_crop (int c)
750 boost::mutex::scoped_lock lm (_state_mutex);
752 if (_crop.left == c) {
758 signal_changed (CROP);
762 Film::set_right_crop (int c)
765 boost::mutex::scoped_lock lm (_state_mutex);
766 if (_crop.right == c) {
772 signal_changed (CROP);
776 Film::set_top_crop (int c)
779 boost::mutex::scoped_lock lm (_state_mutex);
780 if (_crop.top == c) {
786 signal_changed (CROP);
790 Film::set_bottom_crop (int c)
793 boost::mutex::scoped_lock lm (_state_mutex);
794 if (_crop.bottom == c) {
800 signal_changed (CROP);
804 Film::set_filters (vector<Filter const *> f)
807 boost::mutex::scoped_lock lm (_state_mutex);
810 signal_changed (FILTERS);
814 Film::set_scaler (Scaler const * s)
817 boost::mutex::scoped_lock lm (_state_mutex);
820 signal_changed (SCALER);
824 Film::set_trim_start (int t)
827 boost::mutex::scoped_lock lm (_state_mutex);
830 signal_changed (TRIM_START);
834 Film::set_trim_end (int t)
837 boost::mutex::scoped_lock lm (_state_mutex);
840 signal_changed (TRIM_END);
844 Film::set_ab (bool a)
847 boost::mutex::scoped_lock lm (_state_mutex);
854 Film::set_audio_gain (float g)
857 boost::mutex::scoped_lock lm (_state_mutex);
860 signal_changed (AUDIO_GAIN);
864 Film::set_audio_delay (int d)
867 boost::mutex::scoped_lock lm (_state_mutex);
870 signal_changed (AUDIO_DELAY);
874 Film::set_with_subtitles (bool w)
877 boost::mutex::scoped_lock lm (_state_mutex);
880 signal_changed (WITH_SUBTITLES);
884 Film::set_subtitle_offset (int o)
887 boost::mutex::scoped_lock lm (_state_mutex);
888 _subtitle_offset = o;
890 signal_changed (SUBTITLE_OFFSET);
894 Film::set_subtitle_scale (float s)
897 boost::mutex::scoped_lock lm (_state_mutex);
900 signal_changed (SUBTITLE_SCALE);
904 Film::set_colour_lut (int i)
907 boost::mutex::scoped_lock lm (_state_mutex);
910 signal_changed (COLOUR_LUT);
914 Film::set_j2k_bandwidth (int b)
917 boost::mutex::scoped_lock lm (_state_mutex);
920 signal_changed (J2K_BANDWIDTH);
924 Film::set_dci_metadata (DCIMetadata m)
927 boost::mutex::scoped_lock lm (_state_mutex);
930 signal_changed (DCI_METADATA);
935 Film::set_dcp_frame_rate (int f)
938 boost::mutex::scoped_lock lm (_state_mutex);
941 signal_changed (DCP_FRAME_RATE);
945 Film::signal_changed (Property p)
948 boost::mutex::scoped_lock lm (_state_mutex);
954 _playlist->setup (content ());
955 set_dcp_frame_rate (best_dcp_frame_rate (video_frame_rate ()));
962 ui_signaller->emit (boost::bind (boost::ref (Changed), p));
967 Film::set_dci_date_today ()
969 _dci_date = boost::gregorian::day_clock::local_day ();
973 Film::info_path (int f) const
975 boost::filesystem::path p;
980 s << setfill('0') << f << ".md5";
984 /* info_dir() will already have added any initial bit of the path,
985 so don't call file() on this.
991 Film::j2c_path (int f, bool t) const
993 boost::filesystem::path p;
995 p /= video_state_identifier ();
999 s << setfill('0') << f << ".j2c";
1006 return file (p.string ());
1009 /** Make an educated guess as to whether we have a complete DCP
1011 * @return true if we do.
1015 Film::have_dcp () const
1018 libdcp::DCP dcp (dir (dcp_name()));
1028 Film::player () const
1030 boost::mutex::scoped_lock lm (_state_mutex);
1031 return shared_ptr<Player> (new Player (shared_from_this (), _playlist));
1035 Film::add_content (shared_ptr<Content> c)
1038 boost::mutex::scoped_lock lm (_state_mutex);
1039 _content.push_back (c);
1040 _content_connections.push_back (c->Changed.connect (bind (&Film::content_changed, this, _1)));
1043 signal_changed (CONTENT);
1045 examine_content (c);
1049 Film::remove_content (shared_ptr<Content> c)
1052 boost::mutex::scoped_lock lm (_state_mutex);
1053 ContentList::iterator i = find (_content.begin(), _content.end(), c);
1054 if (i != _content.end ()) {
1058 for (list<boost::signals2::connection>::iterator i = _content_connections.begin(); i != _content_connections.end(); ++i) {
1062 for (ContentList::iterator i = _content.begin(); i != _content.end(); ++i) {
1063 _content_connections.push_back (c->Changed.connect (bind (&Film::content_changed, this, _1)));
1067 signal_changed (CONTENT);
1071 Film::move_content_earlier (shared_ptr<Content> c)
1074 boost::mutex::scoped_lock lm (_state_mutex);
1075 ContentList::iterator i = find (_content.begin(), _content.end(), c);
1076 if (i == _content.begin () || i == _content.end()) {
1080 ContentList::iterator j = i;
1084 _playlist->setup (_content);
1087 signal_changed (CONTENT);
1091 Film::move_content_later (shared_ptr<Content> c)
1094 boost::mutex::scoped_lock lm (_state_mutex);
1095 ContentList::iterator i = find (_content.begin(), _content.end(), c);
1096 if (i == _content.end()) {
1100 ContentList::iterator j = i;
1102 if (j == _content.end ()) {
1107 _playlist->setup (_content);
1110 signal_changed (CONTENT);
1115 Film::audio_length () const
1117 return _playlist->audio_length ();
1121 Film::audio_channels () const
1123 return _playlist->audio_channels ();
1127 Film::audio_frame_rate () const
1129 return _playlist->audio_frame_rate ();
1133 Film::audio_channel_layout () const
1135 return _playlist->audio_channel_layout ();
1139 Film::has_audio () const
1141 return _playlist->has_audio ();
1145 Film::video_frame_rate () const
1147 return _playlist->video_frame_rate ();
1151 Film::video_size () const
1153 return _playlist->video_size ();
1157 Film::video_length () const
1159 return _playlist->video_length ();
1162 /** Unfortunately this is needed as the GUI has FFmpeg-specific controls */
1163 shared_ptr<FFmpegContent>
1164 Film::ffmpeg () const
1166 boost::mutex::scoped_lock lm (_state_mutex);
1168 for (ContentList::const_iterator i = _content.begin (); i != _content.end(); ++i) {
1169 shared_ptr<FFmpegContent> f = boost::dynamic_pointer_cast<FFmpegContent> (*i);
1175 return shared_ptr<FFmpegContent> ();
1178 vector<FFmpegSubtitleStream>
1179 Film::ffmpeg_subtitle_streams () const
1181 boost::shared_ptr<FFmpegContent> f = ffmpeg ();
1183 return f->subtitle_streams ();
1186 return vector<FFmpegSubtitleStream> ();
1189 boost::optional<FFmpegSubtitleStream>
1190 Film::ffmpeg_subtitle_stream () const
1192 boost::shared_ptr<FFmpegContent> f = ffmpeg ();
1194 return f->subtitle_stream ();
1200 vector<FFmpegAudioStream>
1201 Film::ffmpeg_audio_streams () const
1203 boost::shared_ptr<FFmpegContent> f = ffmpeg ();
1205 return f->audio_streams ();
1208 return vector<FFmpegAudioStream> ();
1211 boost::optional<FFmpegAudioStream>
1212 Film::ffmpeg_audio_stream () const
1214 boost::shared_ptr<FFmpegContent> f = ffmpeg ();
1216 return f->audio_stream ();
1223 Film::set_ffmpeg_subtitle_stream (FFmpegSubtitleStream s)
1225 boost::shared_ptr<FFmpegContent> f = ffmpeg ();
1227 f->set_subtitle_stream (s);
1232 Film::set_ffmpeg_audio_stream (FFmpegAudioStream s)
1234 boost::shared_ptr<FFmpegContent> f = ffmpeg ();
1236 f->set_audio_stream (s);
1241 Film::content_changed (int p)
1243 if (p == VideoContentProperty::VIDEO_FRAME_RATE) {
1244 set_dcp_frame_rate (best_dcp_frame_rate (video_frame_rate ()));
1248 ui_signaller->emit (boost::bind (boost::ref (ContentChanged), p));