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;
74 using boost::shared_ptr;
75 using boost::lexical_cast;
76 using boost::to_upper_copy;
77 using boost::ends_with;
78 using boost::starts_with;
79 using boost::optional;
82 int const Film::state_version = 4;
84 /** Construct a Film object in a given directory, reading any metadata
85 * file that exists in that directory. An exception will be thrown if
86 * must_exist is true and the specified directory does not exist.
88 * @param d Film directory.
89 * @param must_exist true to throw an exception if does not exist.
92 Film::Film (string d, bool must_exist)
93 : _playlist (new Playlist)
94 , _use_dci_name (true)
95 , _trust_content_headers (true)
96 , _dcp_content_type (0)
97 , _format (Format::from_id ("185"))
98 , _scaler (Scaler::from_id ("bicubic"))
104 , _with_subtitles (false)
105 , _subtitle_offset (0)
106 , _subtitle_scale (1)
108 , _j2k_bandwidth (200000000)
109 , _dci_metadata (Config::instance()->default_dci_metadata ())
110 , _dcp_frame_rate (0)
113 set_dci_date_today ();
115 _playlist->ContentChanged.connect (bind (&Film::content_changed, this, _1, _2));
117 /* Make state.directory a complete path without ..s (where possible)
118 (Code swiped from Adam Bowen on stackoverflow)
121 boost::filesystem::path p (boost::filesystem::system_complete (d));
122 boost::filesystem::path result;
123 for (boost::filesystem::path::iterator i = p.begin(); i != p.end(); ++i) {
125 if (boost::filesystem::is_symlink (result) || result.filename() == "..") {
128 result = result.parent_path ();
130 } else if (*i != ".") {
135 set_directory (result.string ());
137 if (!boost::filesystem::exists (directory())) {
139 throw OpenFileError (directory());
141 boost::filesystem::create_directory (directory());
149 _log.reset (new FileLog (file ("log")));
152 Film::Film (Film const & o)
153 : boost::enable_shared_from_this<Film> (o)
154 /* note: the copied film shares the original's log */
156 , _playlist (new Playlist)
157 , _directory (o._directory)
159 , _use_dci_name (o._use_dci_name)
160 , _trust_content_headers (o._trust_content_headers)
161 , _dcp_content_type (o._dcp_content_type)
162 , _format (o._format)
164 , _filters (o._filters)
165 , _scaler (o._scaler)
166 , _trim_start (o._trim_start)
167 , _trim_end (o._trim_end)
169 , _audio_gain (o._audio_gain)
170 , _audio_delay (o._audio_delay)
171 , _with_subtitles (o._with_subtitles)
172 , _subtitle_offset (o._subtitle_offset)
173 , _subtitle_scale (o._subtitle_scale)
174 , _colour_lut (o._colour_lut)
175 , _j2k_bandwidth (o._j2k_bandwidth)
176 , _dci_metadata (o._dci_metadata)
177 , _dcp_frame_rate (o._dcp_frame_rate)
178 , _dci_date (o._dci_date)
181 for (ContentList::const_iterator i = o._content.begin(); i != o._content.end(); ++i) {
182 _content.push_back ((*i)->clone ());
185 _playlist->ContentChanged.connect (bind (&Film::content_changed, this, _1, _2));
187 _playlist->setup (_content);
191 Film::video_state_identifier () const
199 pair<string, string> f = Filter::ffmpeg_strings (filters());
203 << "_" << content_digest()
204 << "_" << crop().left << "_" << crop().right << "_" << crop().top << "_" << crop().bottom
205 << "_" << _dcp_frame_rate
206 << "_" << f.first << "_" << f.second
207 << "_" << scaler()->id()
208 << "_" << j2k_bandwidth()
209 << "_" << boost::lexical_cast<int> (colour_lut());
212 pair<string, string> fa = Filter::ffmpeg_strings (Config::instance()->reference_filters());
213 s << "ab_" << Config::instance()->reference_scaler()->id() << "_" << fa.first << "_" << fa.second;
220 /** @return The path to the directory to write video frame info files to */
222 Film::info_dir () const
224 boost::filesystem::path p;
226 p /= video_state_identifier ();
227 return dir (p.string());
231 Film::video_mxf_dir () const
233 boost::filesystem::path p;
234 return dir ("video");
238 Film::video_mxf_filename () const
240 return video_state_identifier() + ".mxf";
244 Film::audio_analysis_path () const
246 boost::filesystem::path p;
248 p /= "XXX";//content_digest();
249 return file (p.string ());
252 /** Add suitable Jobs to the JobManager to create a DCP for this Film */
256 set_dci_date_today ();
258 if (dcp_name().find ("/") != string::npos) {
259 throw BadSettingError (_("name"), _("cannot contain slashes"));
262 log()->log (String::compose ("DVD-o-matic %1 git %2 using %3", dvdomatic_version, dvdomatic_git_commit, dependency_version_summary()));
266 gethostname (buffer, sizeof (buffer));
267 log()->log (String::compose ("Starting to make DCP on %1", buffer));
270 // log()->log (String::compose ("Content is %1; type %2", content_path(), (content_type() == STILL ? _("still") : _("video"))));
272 // log()->log (String::compose ("Content length %1", length().get()));
274 // log()->log (String::compose ("Content digest %1", content_digest()));
275 // log()->log (String::compose ("Content at %1 fps, DCP at %2 fps", source_frame_rate(), dcp_frame_rate()));
276 log()->log (String::compose ("%1 threads", Config::instance()->num_local_encoding_threads()));
277 log()->log (String::compose ("J2K bandwidth %1", j2k_bandwidth()));
278 #ifdef DVDOMATIC_DEBUG
279 log()->log ("DVD-o-matic built in debug mode.");
281 log()->log ("DVD-o-matic built in optimised mode.");
284 log()->log ("libdcp built in debug mode.");
286 log()->log ("libdcp built in optimised mode.");
288 pair<string, int> const c = cpu_info ();
289 log()->log (String::compose ("CPU: %1, %2 processors", c.first, c.second));
292 throw MissingSettingError (_("format"));
295 if (content().empty ()) {
296 throw MissingSettingError (_("content"));
299 if (dcp_content_type() == 0) {
300 throw MissingSettingError (_("content type"));
303 if (name().empty()) {
304 throw MissingSettingError (_("name"));
310 r = JobManager::instance()->add (shared_ptr<Job> (new ABTranscodeJob (shared_from_this())));
312 r = JobManager::instance()->add (shared_ptr<Job> (new TranscodeJob (shared_from_this())));
316 /** Start a job to analyse the audio in our Playlist */
318 Film::analyse_audio ()
320 if (_analyse_audio_job) {
324 _analyse_audio_job.reset (new AnalyseAudioJob (shared_from_this()));
325 _analyse_audio_job->Finished.connect (bind (&Film::analyse_audio_finished, this));
326 JobManager::instance()->add (_analyse_audio_job);
329 /** Start a job to examine a piece of content */
331 Film::examine_content (shared_ptr<Content> c)
333 shared_ptr<Job> j (new ExamineContentJob (shared_from_this(), c, trust_content_headers ()));
334 JobManager::instance()->add (j);
338 Film::analyse_audio_finished ()
342 if (_analyse_audio_job->finished_ok ()) {
343 AudioAnalysisSucceeded ();
346 _analyse_audio_job.reset ();
349 /** Start a job to send our DCP to the configured TMS */
351 Film::send_dcp_to_tms ()
353 shared_ptr<Job> j (new SCPDCPJob (shared_from_this()));
354 JobManager::instance()->add (j);
357 /** Count the number of frames that have been encoded for this film.
358 * @return frame count.
361 Film::encoded_frames () const
368 for (boost::filesystem::directory_iterator i = boost::filesystem::directory_iterator (info_dir ()); i != boost::filesystem::directory_iterator(); ++i) {
370 boost::this_thread::interruption_point ();
376 /** Write state to our `metadata' file */
378 Film::write_metadata () const
380 ContentList the_content = content ();
382 boost::mutex::scoped_lock lm (_state_mutex);
384 boost::filesystem::create_directories (directory());
387 xmlpp::Element* root = doc.create_root_node ("Metadata");
389 root->add_child("Version")->add_child_text (boost::lexical_cast<string> (state_version));
390 root->add_child("Name")->add_child_text (_name);
391 root->add_child("UseDCIName")->add_child_text (_use_dci_name ? "1" : "0");
392 root->add_child("TrustContentHeaders")->add_child_text (_trust_content_headers ? "1" : "0");
393 if (_dcp_content_type) {
394 root->add_child("DCPContentType")->add_child_text (_dcp_content_type->dci_name ());
397 root->add_child("Format")->add_child_text (_format->id ());
399 root->add_child("LeftCrop")->add_child_text (boost::lexical_cast<string> (_crop.left));
400 root->add_child("RightCrop")->add_child_text (boost::lexical_cast<string> (_crop.right));
401 root->add_child("TopCrop")->add_child_text (boost::lexical_cast<string> (_crop.top));
402 root->add_child("BottomCrop")->add_child_text (boost::lexical_cast<string> (_crop.bottom));
404 for (vector<Filter const *>::const_iterator i = _filters.begin(); i != _filters.end(); ++i) {
405 root->add_child("Filter")->add_child_text ((*i)->id ());
408 root->add_child("Scaler")->add_child_text (_scaler->id ());
409 root->add_child("TrimStart")->add_child_text (boost::lexical_cast<string> (_trim_start));
410 root->add_child("TrimEnd")->add_child_text (boost::lexical_cast<string> (_trim_end));
411 root->add_child("AB")->add_child_text (_ab ? "1" : "0");
412 root->add_child("AudioGain")->add_child_text (boost::lexical_cast<string> (_audio_gain));
413 root->add_child("AudioDelay")->add_child_text (boost::lexical_cast<string> (_audio_delay));
414 root->add_child("WithSubtitles")->add_child_text (_with_subtitles ? "1" : "0");
415 root->add_child("SubtitleOffset")->add_child_text (boost::lexical_cast<string> (_subtitle_offset));
416 root->add_child("SubtitleScale")->add_child_text (boost::lexical_cast<string> (_subtitle_scale));
417 root->add_child("ColourLUT")->add_child_text (boost::lexical_cast<string> (_colour_lut));
418 root->add_child("J2KBandwidth")->add_child_text (boost::lexical_cast<string> (_j2k_bandwidth));
419 _dci_metadata.as_xml (root->add_child ("DCIMetadata"));
420 root->add_child("DCPFrameRate")->add_child_text (boost::lexical_cast<string> (_dcp_frame_rate));
421 root->add_child("DCIDate")->add_child_text (boost::gregorian::to_iso_string (_dci_date));
422 _audio_mapping.as_xml (root->add_child("AudioMapping"));
424 for (ContentList::iterator i = the_content.begin(); i != the_content.end(); ++i) {
425 (*i)->as_xml (root->add_child ("Content"));
428 doc.write_to_file_formatted (file ("metadata.xml"));
433 /** Read state from our metadata file */
435 Film::read_metadata ()
437 boost::mutex::scoped_lock lm (_state_mutex);
439 if (boost::filesystem::exists (file ("metadata")) && !boost::filesystem::exists (file ("metadata.xml"))) {
440 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!"));
443 cxml::File f (file ("metadata.xml"), "Metadata");
445 _name = f.string_child ("Name");
446 _use_dci_name = f.bool_child ("UseDCIName");
447 _trust_content_headers = f.bool_child ("TrustContentHeaders");
450 optional<string> c = f.optional_string_child ("DCPContentType");
452 _dcp_content_type = DCPContentType::from_dci_name (c.get ());
457 optional<string> c = f.optional_string_child ("Format");
459 _format = Format::from_id (c.get ());
463 _crop.left = f.number_child<int> ("LeftCrop");
464 _crop.right = f.number_child<int> ("RightCrop");
465 _crop.top = f.number_child<int> ("TopCrop");
466 _crop.bottom = f.number_child<int> ("BottomCrop");
469 list<shared_ptr<cxml::Node> > c = f.node_children ("Filter");
470 for (list<shared_ptr<cxml::Node> >::iterator i = c.begin(); i != c.end(); ++i) {
471 _filters.push_back (Filter::from_id ((*i)->content ()));
475 _scaler = Scaler::from_id (f.string_child ("Scaler"));
476 _trim_start = f.number_child<int> ("TrimStart");
477 _trim_end = f.number_child<int> ("TrimEnd");
478 _ab = f.bool_child ("AB");
479 _audio_gain = f.number_child<float> ("AudioGain");
480 _audio_delay = f.number_child<int> ("AudioDelay");
481 _with_subtitles = f.bool_child ("WithSubtitles");
482 _subtitle_offset = f.number_child<float> ("SubtitleOffset");
483 _subtitle_scale = f.number_child<float> ("SubtitleScale");
484 _colour_lut = f.number_child<int> ("ColourLUT");
485 _j2k_bandwidth = f.number_child<int> ("J2KBandwidth");
486 _dci_metadata = DCIMetadata (f.node_child ("DCIMetadata"));
487 _dcp_frame_rate = f.number_child<int> ("DCPFrameRate");
488 _dci_date = boost::gregorian::from_undelimited_string (f.string_child ("DCIDate"));
490 list<shared_ptr<cxml::Node> > c = f.node_children ("Content");
491 for (list<shared_ptr<cxml::Node> >::iterator i = c.begin(); i != c.end(); ++i) {
493 string const type = (*i)->string_child ("Type");
494 boost::shared_ptr<Content> c;
496 if (type == "FFmpeg") {
497 c.reset (new FFmpegContent (*i));
498 } else if (type == "ImageMagick") {
499 c.reset (new ImageMagickContent (*i));
500 } else if (type == "Sndfile") {
501 c.reset (new SndfileContent (*i));
504 _content.push_back (c);
507 /* This must come after we've loaded the content, as we're looking things up in _content */
508 _audio_mapping.set_from_xml (_content, f.node_child ("AudioMapping"));
512 _playlist->setup (_content);
516 Film::cropped_size (libdcp::Size s) const
518 boost::mutex::scoped_lock lm (_state_mutex);
519 s.width -= _crop.left + _crop.right;
520 s.height -= _crop.top + _crop.bottom;
524 /** Given a directory name, return its full path within the Film's directory.
525 * The directory (and its parents) will be created if they do not exist.
528 Film::dir (string d) const
530 boost::mutex::scoped_lock lm (_directory_mutex);
532 boost::filesystem::path p;
536 boost::filesystem::create_directories (p);
541 /** Given a file or directory name, return its full path within the Film's directory.
542 * _directory_mutex must not be locked on entry.
543 * Any required parent directories will be created.
546 Film::file (string f) const
548 boost::mutex::scoped_lock lm (_directory_mutex);
550 boost::filesystem::path p;
554 boost::filesystem::create_directories (p.parent_path ());
559 /** @return The sampling rate that we will resample the audio to */
561 Film::target_audio_sample_rate () const
567 /* Resample to a DCI-approved sample rate */
568 double t = dcp_audio_sample_rate (audio_frame_rate());
570 FrameRateConversion frc (video_frame_rate(), dcp_frame_rate());
572 /* Compensate if the DCP is being run at a different frame rate
573 to the source; that is, if the video is run such that it will
574 look different in the DCP compared to the source (slower or faster).
575 skip/repeat doesn't come into effect here.
578 if (frc.change_speed) {
579 t *= video_frame_rate() * frc.factor() / dcp_frame_rate();
585 /** @return a DCI-compliant name for a DCP of this film */
587 Film::dci_name (bool if_created_now) const
591 string fixed_name = to_upper_copy (name());
592 for (size_t i = 0; i < fixed_name.length(); ++i) {
593 if (fixed_name[i] == ' ') {
598 /* Spec is that the name part should be maximum 14 characters, as I understand it */
599 if (fixed_name.length() > 14) {
600 fixed_name = fixed_name.substr (0, 14);
605 if (dcp_content_type()) {
606 d << "_" << dcp_content_type()->dci_name();
610 d << "_" << format()->dci_name();
613 DCIMetadata const dm = dci_metadata ();
615 if (!dm.audio_language.empty ()) {
616 d << "_" << dm.audio_language;
617 if (!dm.subtitle_language.empty()) {
618 d << "-" << dm.subtitle_language;
624 if (!dm.territory.empty ()) {
625 d << "_" << dm.territory;
626 if (!dm.rating.empty ()) {
627 d << "-" << dm.rating;
631 switch (audio_channels ()) {
648 if (!dm.studio.empty ()) {
649 d << "_" << dm.studio;
652 if (if_created_now) {
653 d << "_" << boost::gregorian::to_iso_string (boost::gregorian::day_clock::local_day ());
655 d << "_" << boost::gregorian::to_iso_string (_dci_date);
658 if (!dm.facility.empty ()) {
659 d << "_" << dm.facility;
662 if (!dm.package_type.empty ()) {
663 d << "_" << dm.package_type;
669 /** @return name to give the DCP */
671 Film::dcp_name (bool if_created_now) const
673 if (use_dci_name()) {
674 return dci_name (if_created_now);
682 Film::set_directory (string d)
684 boost::mutex::scoped_lock lm (_state_mutex);
690 Film::set_name (string n)
693 boost::mutex::scoped_lock lm (_state_mutex);
696 signal_changed (NAME);
700 Film::set_use_dci_name (bool u)
703 boost::mutex::scoped_lock lm (_state_mutex);
706 signal_changed (USE_DCI_NAME);
710 Film::set_trust_content_headers (bool t)
713 boost::mutex::scoped_lock lm (_state_mutex);
714 _trust_content_headers = t;
717 signal_changed (TRUST_CONTENT_HEADERS);
719 if (!_trust_content_headers && !content().empty()) {
720 /* We just said that we don't trust the content's header */
721 ContentList c = content ();
722 for (ContentList::iterator i = c.begin(); i != c.end(); ++i) {
723 examine_content (*i);
729 Film::set_dcp_content_type (DCPContentType const * t)
732 boost::mutex::scoped_lock lm (_state_mutex);
733 _dcp_content_type = t;
735 signal_changed (DCP_CONTENT_TYPE);
739 Film::set_format (Format const * f)
742 boost::mutex::scoped_lock lm (_state_mutex);
745 signal_changed (FORMAT);
749 Film::set_crop (Crop c)
752 boost::mutex::scoped_lock lm (_state_mutex);
755 signal_changed (CROP);
759 Film::set_left_crop (int c)
762 boost::mutex::scoped_lock lm (_state_mutex);
764 if (_crop.left == c) {
770 signal_changed (CROP);
774 Film::set_right_crop (int c)
777 boost::mutex::scoped_lock lm (_state_mutex);
778 if (_crop.right == c) {
784 signal_changed (CROP);
788 Film::set_top_crop (int c)
791 boost::mutex::scoped_lock lm (_state_mutex);
792 if (_crop.top == c) {
798 signal_changed (CROP);
802 Film::set_bottom_crop (int c)
805 boost::mutex::scoped_lock lm (_state_mutex);
806 if (_crop.bottom == c) {
812 signal_changed (CROP);
816 Film::set_filters (vector<Filter const *> f)
819 boost::mutex::scoped_lock lm (_state_mutex);
822 signal_changed (FILTERS);
826 Film::set_scaler (Scaler const * s)
829 boost::mutex::scoped_lock lm (_state_mutex);
832 signal_changed (SCALER);
836 Film::set_trim_start (int t)
839 boost::mutex::scoped_lock lm (_state_mutex);
842 signal_changed (TRIM_START);
846 Film::set_trim_end (int t)
849 boost::mutex::scoped_lock lm (_state_mutex);
852 signal_changed (TRIM_END);
856 Film::set_ab (bool a)
859 boost::mutex::scoped_lock lm (_state_mutex);
866 Film::set_audio_gain (float g)
869 boost::mutex::scoped_lock lm (_state_mutex);
872 signal_changed (AUDIO_GAIN);
876 Film::set_audio_delay (int d)
879 boost::mutex::scoped_lock lm (_state_mutex);
882 signal_changed (AUDIO_DELAY);
886 Film::set_with_subtitles (bool w)
889 boost::mutex::scoped_lock lm (_state_mutex);
892 signal_changed (WITH_SUBTITLES);
896 Film::set_subtitle_offset (int o)
899 boost::mutex::scoped_lock lm (_state_mutex);
900 _subtitle_offset = o;
902 signal_changed (SUBTITLE_OFFSET);
906 Film::set_subtitle_scale (float s)
909 boost::mutex::scoped_lock lm (_state_mutex);
912 signal_changed (SUBTITLE_SCALE);
916 Film::set_colour_lut (int i)
919 boost::mutex::scoped_lock lm (_state_mutex);
922 signal_changed (COLOUR_LUT);
926 Film::set_j2k_bandwidth (int b)
929 boost::mutex::scoped_lock lm (_state_mutex);
932 signal_changed (J2K_BANDWIDTH);
936 Film::set_dci_metadata (DCIMetadata m)
939 boost::mutex::scoped_lock lm (_state_mutex);
942 signal_changed (DCI_METADATA);
947 Film::set_dcp_frame_rate (int f)
950 boost::mutex::scoped_lock lm (_state_mutex);
953 signal_changed (DCP_FRAME_RATE);
957 Film::signal_changed (Property p)
960 boost::mutex::scoped_lock lm (_state_mutex);
966 _playlist->setup (content ());
967 set_dcp_frame_rate (best_dcp_frame_rate (video_frame_rate ()));
968 set_audio_mapping (_playlist->default_audio_mapping ());
975 ui_signaller->emit (boost::bind (boost::ref (Changed), p));
980 Film::set_dci_date_today ()
982 _dci_date = boost::gregorian::day_clock::local_day ();
986 Film::info_path (int f) const
988 boost::filesystem::path p;
993 s << setfill('0') << f << ".md5";
997 /* info_dir() will already have added any initial bit of the path,
998 so don't call file() on this.
1004 Film::j2c_path (int f, bool t) const
1006 boost::filesystem::path p;
1008 p /= video_state_identifier ();
1012 s << setfill('0') << f << ".j2c";
1019 return file (p.string ());
1022 /** Make an educated guess as to whether we have a complete DCP
1024 * @return true if we do.
1028 Film::have_dcp () const
1031 libdcp::DCP dcp (dir (dcp_name()));
1041 Film::player () const
1043 boost::mutex::scoped_lock lm (_state_mutex);
1044 return shared_ptr<Player> (new Player (shared_from_this (), _playlist));
1048 Film::add_content (shared_ptr<Content> c)
1051 boost::mutex::scoped_lock lm (_state_mutex);
1052 _content.push_back (c);
1055 signal_changed (CONTENT);
1057 examine_content (c);
1061 Film::remove_content (shared_ptr<Content> c)
1064 boost::mutex::scoped_lock lm (_state_mutex);
1065 ContentList::iterator i = find (_content.begin(), _content.end(), c);
1066 if (i != _content.end ()) {
1071 signal_changed (CONTENT);
1075 Film::move_content_earlier (shared_ptr<Content> c)
1078 boost::mutex::scoped_lock lm (_state_mutex);
1079 ContentList::iterator i = find (_content.begin(), _content.end(), c);
1080 if (i == _content.begin () || i == _content.end()) {
1084 ContentList::iterator j = i;
1090 signal_changed (CONTENT);
1094 Film::move_content_later (shared_ptr<Content> c)
1097 boost::mutex::scoped_lock lm (_state_mutex);
1098 ContentList::iterator i = find (_content.begin(), _content.end(), c);
1099 if (i == _content.end()) {
1103 ContentList::iterator j = i;
1105 if (j == _content.end ()) {
1112 signal_changed (CONTENT);
1117 Film::audio_length () const
1119 return _playlist->audio_length ();
1123 Film::audio_channels () const
1125 return _playlist->audio_channels ();
1129 Film::audio_frame_rate () const
1131 return _playlist->audio_frame_rate ();
1135 Film::has_audio () const
1137 return _playlist->has_audio ();
1141 Film::video_frame_rate () const
1143 return _playlist->video_frame_rate ();
1147 Film::video_size () const
1149 return _playlist->video_size ();
1153 Film::video_length () const
1155 return _playlist->video_length ();
1158 /** Unfortunately this is needed as the GUI has FFmpeg-specific controls */
1159 shared_ptr<FFmpegContent>
1160 Film::ffmpeg () const
1162 boost::mutex::scoped_lock lm (_state_mutex);
1164 for (ContentList::const_iterator i = _content.begin (); i != _content.end(); ++i) {
1165 shared_ptr<FFmpegContent> f = boost::dynamic_pointer_cast<FFmpegContent> (*i);
1171 return shared_ptr<FFmpegContent> ();
1174 vector<FFmpegSubtitleStream>
1175 Film::ffmpeg_subtitle_streams () const
1177 shared_ptr<FFmpegContent> f = ffmpeg ();
1179 return f->subtitle_streams ();
1182 return vector<FFmpegSubtitleStream> ();
1185 boost::optional<FFmpegSubtitleStream>
1186 Film::ffmpeg_subtitle_stream () const
1188 shared_ptr<FFmpegContent> f = ffmpeg ();
1190 return f->subtitle_stream ();
1196 vector<FFmpegAudioStream>
1197 Film::ffmpeg_audio_streams () const
1199 shared_ptr<FFmpegContent> f = ffmpeg ();
1201 return f->audio_streams ();
1204 return vector<FFmpegAudioStream> ();
1207 boost::optional<FFmpegAudioStream>
1208 Film::ffmpeg_audio_stream () const
1210 shared_ptr<FFmpegContent> f = ffmpeg ();
1212 return f->audio_stream ();
1219 Film::set_ffmpeg_subtitle_stream (FFmpegSubtitleStream s)
1221 shared_ptr<FFmpegContent> f = ffmpeg ();
1223 f->set_subtitle_stream (s);
1228 Film::set_ffmpeg_audio_stream (FFmpegAudioStream s)
1230 shared_ptr<FFmpegContent> f = ffmpeg ();
1232 f->set_audio_stream (s);
1237 Film::set_audio_mapping (AudioMapping m)
1240 boost::mutex::scoped_lock lm (_state_mutex);
1244 signal_changed (AUDIO_MAPPING);
1248 Film::content_changed (boost::weak_ptr<Content> c, int p)
1250 if (p == VideoContentProperty::VIDEO_FRAME_RATE) {
1251 set_dcp_frame_rate (best_dcp_frame_rate (video_frame_rate ()));
1252 } else if (p == AudioContentProperty::AUDIO_CHANNELS) {
1253 set_audio_mapping (_playlist->default_audio_mapping ());
1257 ui_signaller->emit (boost::bind (boost::ref (ContentChanged), c, p));