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>
36 #include "transcoder.h"
38 #include "job_manager.h"
39 #include "ab_transcode_job.h"
40 #include "transcode_job.h"
41 #include "scp_dcp_job.h"
44 #include "exceptions.h"
45 #include "examine_content_job.h"
47 #include "decoder_factory.h"
50 #include "ui_signaller.h"
51 #include "video_decoder.h"
52 #include "audio_decoder.h"
53 #include "sndfile_decoder.h"
54 #include "analyse_audio_job.h"
59 using std::stringstream;
70 using boost::shared_ptr;
71 using boost::lexical_cast;
72 using boost::to_upper_copy;
73 using boost::ends_with;
74 using boost::starts_with;
75 using boost::optional;
78 int const Film::state_version = 4;
80 /** Construct a Film object in a given directory, reading any metadata
81 * file that exists in that directory. An exception will be thrown if
82 * must_exist is true and the specified directory does not exist.
84 * @param d Film directory.
85 * @param must_exist true to throw an exception if does not exist.
88 Film::Film (string d, bool must_exist)
89 : _use_dci_name (true)
90 , _trust_content_header (true)
91 , _dcp_content_type (Config::instance()->default_dcp_content_type ())
92 , _format (Config::instance()->default_format ())
93 , _scaler (Scaler::from_id ("bicubic"))
98 , _use_content_audio (true)
101 , _still_duration (10)
102 , _with_subtitles (false)
103 , _subtitle_offset (0)
104 , _subtitle_scale (1)
106 , _j2k_bandwidth (200000000)
107 , _dci_metadata (Config::instance()->default_dci_metadata ())
108 , _dcp_frame_rate (0)
109 , _source_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());
142 _sndfile_stream = SndfileStream::create ();
150 _log.reset (new FileLog (file ("log")));
153 Film::Film (Film const & o)
154 : boost::enable_shared_from_this<Film> (o)
155 /* note: the copied film shares the original's log */
157 , _directory (o._directory)
159 , _use_dci_name (o._use_dci_name)
160 , _content (o._content)
161 , _trust_content_header (o._trust_content_header)
162 , _dcp_content_type (o._dcp_content_type)
163 , _format (o._format)
165 , _filters (o._filters)
166 , _scaler (o._scaler)
167 , _trim_start (o._trim_start)
168 , _trim_end (o._trim_end)
169 , _trim_type (o._trim_type)
170 , _dcp_ab (o._dcp_ab)
171 , _content_audio_stream (o._content_audio_stream)
172 , _external_audio (o._external_audio)
173 , _use_content_audio (o._use_content_audio)
174 , _audio_gain (o._audio_gain)
175 , _audio_delay (o._audio_delay)
176 , _still_duration (o._still_duration)
177 , _subtitle_stream (o._subtitle_stream)
178 , _with_subtitles (o._with_subtitles)
179 , _subtitle_offset (o._subtitle_offset)
180 , _subtitle_scale (o._subtitle_scale)
181 , _colour_lut (o._colour_lut)
182 , _j2k_bandwidth (o._j2k_bandwidth)
183 , _dci_metadata (o._dci_metadata)
184 , _dci_date (o._dci_date)
185 , _dcp_frame_rate (o._dcp_frame_rate)
187 , _length (o._length)
188 , _content_digest (o._content_digest)
189 , _content_audio_streams (o._content_audio_streams)
190 , _sndfile_stream (o._sndfile_stream)
191 , _subtitle_streams (o._subtitle_streams)
192 , _source_frame_rate (o._source_frame_rate)
204 Film::video_state_identifier () const
209 pair<string, string> f = Filter::ffmpeg_strings (filters());
213 << "_" << content_digest()
214 << "_" << crop().left << "_" << crop().right << "_" << crop().top << "_" << crop().bottom
215 << "_" << _dcp_frame_rate
216 << "_" << f.first << "_" << f.second
217 << "_" << scaler()->id()
218 << "_" << j2k_bandwidth()
219 << "_" << boost::lexical_cast<int> (colour_lut());
222 pair<string, string> fa = Filter::ffmpeg_strings (Config::instance()->reference_filters());
223 s << "ab_" << Config::instance()->reference_scaler()->id() << "_" << fa.first << "_" << fa.second;
229 /** @return The path to the directory to write video frame info files to */
231 Film::info_dir () const
233 boost::filesystem::path p;
235 p /= video_state_identifier ();
236 return dir (p.string());
240 Film::internal_video_mxf_dir () const
242 boost::filesystem::path p;
243 return dir ("video");
247 Film::internal_video_mxf_filename () const
249 return video_state_identifier() + ".mxf";
253 Film::dcp_video_mxf_filename () const
255 return filename_safe_name() + "_video.mxf";
259 Film::dcp_audio_mxf_filename () const
261 return filename_safe_name() + "_audio.mxf";
265 Film::filename_safe_name () const
267 string const n = name ();
269 for (size_t i = 0; i < n.length(); ++i) {
270 if (isalnum (n[i])) {
281 Film::audio_analysis_path () const
283 boost::filesystem::path p;
285 p /= content_digest();
286 return file (p.string ());
289 /** Add suitable Jobs to the JobManager to create a DCP for this Film */
293 set_dci_date_today ();
295 if (dcp_name().find ("/") != string::npos) {
296 throw BadSettingError (_("name"), _("cannot contain slashes"));
299 log()->log (String::compose ("DVD-o-matic %1 git %2 using %3", dvdomatic_version, dvdomatic_git_commit, dependency_version_summary()));
303 gethostname (buffer, sizeof (buffer));
304 log()->log (String::compose ("Starting to make DCP on %1", buffer));
307 log()->log (String::compose ("Content is %1; type %2", content_path(), (content_type() == STILL ? _("still") : _("video"))));
309 log()->log (String::compose ("Content length %1", length().get()));
311 log()->log (String::compose ("Content digest %1", content_digest()));
312 log()->log (String::compose ("Content at %1 fps, DCP at %2 fps", source_frame_rate(), dcp_frame_rate()));
313 log()->log (String::compose ("%1 threads", Config::instance()->num_local_encoding_threads()));
314 log()->log (String::compose ("J2K bandwidth %1", j2k_bandwidth()));
315 #ifdef DVDOMATIC_DEBUG
316 log()->log ("DVD-o-matic built in debug mode.");
318 log()->log ("DVD-o-matic built in optimised mode.");
321 log()->log ("libdcp built in debug mode.");
323 log()->log ("libdcp built in optimised mode.");
325 pair<string, int> const c = cpu_info ();
326 log()->log (String::compose ("CPU: %1, %2 processors", c.first, c.second));
329 throw MissingSettingError (_("format"));
332 if (content().empty ()) {
333 throw MissingSettingError (_("content"));
336 if (dcp_content_type() == 0) {
337 throw MissingSettingError (_("content type"));
340 if (name().empty()) {
341 throw MissingSettingError (_("name"));
345 od.decode_subtitles = with_subtitles ();
350 r = JobManager::instance()->add (shared_ptr<Job> (new ABTranscodeJob (shared_from_this(), od)));
352 r = JobManager::instance()->add (shared_ptr<Job> (new TranscodeJob (shared_from_this(), od)));
356 /** Start a job to analyse the audio of our content file */
358 Film::analyse_audio ()
360 if (_analyse_audio_job) {
364 _analyse_audio_job.reset (new AnalyseAudioJob (shared_from_this()));
365 _analyse_audio_job->Finished.connect (bind (&Film::analyse_audio_finished, this));
366 JobManager::instance()->add (_analyse_audio_job);
369 /** Start a job to examine our content file */
371 Film::examine_content ()
373 if (_examine_content_job) {
377 _examine_content_job.reset (new ExamineContentJob (shared_from_this()));
378 _examine_content_job->Finished.connect (bind (&Film::examine_content_finished, this));
379 JobManager::instance()->add (_examine_content_job);
383 Film::analyse_audio_finished ()
387 if (_analyse_audio_job->finished_ok ()) {
388 AudioAnalysisSucceeded ();
391 _analyse_audio_job.reset ();
395 Film::examine_content_finished ()
397 _examine_content_job.reset ();
400 /** Start a job to send our DCP to the configured TMS */
402 Film::send_dcp_to_tms ()
404 shared_ptr<Job> j (new SCPDCPJob (shared_from_this()));
405 JobManager::instance()->add (j);
408 /** Count the number of frames that have been encoded for this film.
409 * @return frame count.
412 Film::encoded_frames () const
419 for (boost::filesystem::directory_iterator i = boost::filesystem::directory_iterator (info_dir ()); i != boost::filesystem::directory_iterator(); ++i) {
421 boost::this_thread::interruption_point ();
427 /** Write state to our `metadata' file */
429 Film::write_metadata () const
431 boost::mutex::scoped_lock lm (_state_mutex);
434 boost::filesystem::create_directories (directory());
436 string const m = file ("metadata");
437 ofstream f (m.c_str ());
439 throw CreateFileError (m);
442 f << "version " << state_version << endl;
445 f << "name " << _name << endl;
446 f << "use_dci_name " << _use_dci_name << endl;
447 f << "content " << _content << endl;
448 f << "trust_content_header " << (_trust_content_header ? "1" : "0") << endl;
449 if (_dcp_content_type) {
450 f << "dcp_content_type " << _dcp_content_type->dci_name () << endl;
453 f << "format " << _format->as_metadata () << endl;
455 f << "left_crop " << _crop.left << endl;
456 f << "right_crop " << _crop.right << endl;
457 f << "top_crop " << _crop.top << endl;
458 f << "bottom_crop " << _crop.bottom << endl;
459 for (vector<Filter const *>::const_iterator i = _filters.begin(); i != _filters.end(); ++i) {
460 f << "filter " << (*i)->id () << endl;
462 f << "scaler " << _scaler->id () << endl;
463 f << "trim_start " << _trim_start << endl;
464 f << "trim_end " << _trim_end << endl;
465 switch (_trim_type) {
467 f << "trim_type cpl\n";
470 f << "trim_type encode\n";
473 f << "dcp_ab " << (_dcp_ab ? "1" : "0") << endl;
474 if (_content_audio_stream) {
475 f << "selected_content_audio_stream " << _content_audio_stream->to_string() << endl;
477 for (vector<string>::const_iterator i = _external_audio.begin(); i != _external_audio.end(); ++i) {
478 f << "external_audio " << *i << endl;
480 f << "use_content_audio " << (_use_content_audio ? "1" : "0") << endl;
481 f << "audio_gain " << _audio_gain << endl;
482 f << "audio_delay " << _audio_delay << endl;
483 f << "still_duration " << _still_duration << endl;
484 if (_subtitle_stream) {
485 f << "selected_subtitle_stream " << _subtitle_stream->to_string() << endl;
487 f << "with_subtitles " << _with_subtitles << endl;
488 f << "subtitle_offset " << _subtitle_offset << endl;
489 f << "subtitle_scale " << _subtitle_scale << endl;
490 f << "colour_lut " << _colour_lut << endl;
491 f << "j2k_bandwidth " << _j2k_bandwidth << endl;
492 _dci_metadata.write (f);
493 f << "dci_date " << boost::gregorian::to_iso_string (_dci_date) << endl;
494 f << "dcp_frame_rate " << _dcp_frame_rate << endl;
495 f << "width " << _size.width << endl;
496 f << "height " << _size.height << endl;
497 f << "length " << _length.get_value_or(0) << endl;
498 f << "content_digest " << _content_digest << endl;
500 for (vector<shared_ptr<AudioStream> >::const_iterator i = _content_audio_streams.begin(); i != _content_audio_streams.end(); ++i) {
501 f << "content_audio_stream " << (*i)->to_string () << endl;
504 f << "external_audio_stream " << _sndfile_stream->to_string() << endl;
506 for (vector<shared_ptr<SubtitleStream> >::const_iterator i = _subtitle_streams.begin(); i != _subtitle_streams.end(); ++i) {
507 f << "subtitle_stream " << (*i)->to_string () << endl;
510 f << "source_frame_rate " << _source_frame_rate << endl;
515 /** Read state from our metadata file */
517 Film::read_metadata ()
519 boost::mutex::scoped_lock lm (_state_mutex);
522 _external_audio.clear ();
523 _content_audio_streams.clear ();
524 _subtitle_streams.clear ();
526 boost::optional<int> version;
528 /* Backward compatibility things */
529 boost::optional<int> audio_sample_rate;
530 boost::optional<int> audio_stream_index;
531 boost::optional<int> subtitle_stream_index;
533 ifstream f (file ("metadata").c_str());
535 throw OpenFileError (file ("metadata"));
538 multimap<string, string> kv = read_key_value (f);
540 /* We need version before anything else */
541 multimap<string, string>::iterator v = kv.find ("version");
542 if (v != kv.end ()) {
543 version = atoi (v->second.c_str());
546 for (multimap<string, string>::const_iterator i = kv.begin(); i != kv.end(); ++i) {
547 string const k = i->first;
548 string const v = i->second;
550 if (k == "audio_sample_rate") {
551 audio_sample_rate = atoi (v.c_str());
554 /* User-specified stuff */
557 } else if (k == "use_dci_name") {
558 _use_dci_name = (v == "1");
559 } else if (k == "content") {
561 } else if (k == "trust_content_header") {
562 _trust_content_header = (v == "1");
563 } else if (k == "dcp_content_type") {
565 _dcp_content_type = DCPContentType::from_pretty_name (v);
567 _dcp_content_type = DCPContentType::from_dci_name (v);
569 } else if (k == "format") {
570 _format = Format::from_metadata (v);
571 } else if (k == "left_crop") {
572 _crop.left = atoi (v.c_str ());
573 } else if (k == "right_crop") {
574 _crop.right = atoi (v.c_str ());
575 } else if (k == "top_crop") {
576 _crop.top = atoi (v.c_str ());
577 } else if (k == "bottom_crop") {
578 _crop.bottom = atoi (v.c_str ());
579 } else if (k == "filter") {
580 _filters.push_back (Filter::from_id (v));
581 } else if (k == "scaler") {
582 _scaler = Scaler::from_id (v);
583 } else if ( ((!version || version < 2) && k == "dcp_trim_start") || k == "trim_start") {
584 _trim_start = atoi (v.c_str ());
585 } else if ( ((!version || version < 2) && k == "dcp_trim_end") || k == "trim_end") {
586 _trim_end = atoi (v.c_str ());
587 } else if (k == "trim_type") {
590 } else if (v == "encode") {
593 } else if (k == "dcp_ab") {
594 _dcp_ab = (v == "1");
595 } else if (k == "selected_content_audio_stream" || (!version && k == "selected_audio_stream")) {
597 audio_stream_index = atoi (v.c_str ());
599 _content_audio_stream = audio_stream_factory (v, version);
601 } else if (k == "external_audio") {
602 _external_audio.push_back (v);
603 } else if (k == "use_content_audio") {
604 _use_content_audio = (v == "1");
605 } else if (k == "audio_gain") {
606 _audio_gain = atof (v.c_str ());
607 } else if (k == "audio_delay") {
608 _audio_delay = atoi (v.c_str ());
609 } else if (k == "still_duration") {
610 _still_duration = atoi (v.c_str ());
611 } else if (k == "selected_subtitle_stream") {
613 subtitle_stream_index = atoi (v.c_str ());
615 _subtitle_stream = subtitle_stream_factory (v, version);
617 } else if (k == "with_subtitles") {
618 _with_subtitles = (v == "1");
619 } else if (k == "subtitle_offset") {
620 _subtitle_offset = atoi (v.c_str ());
621 } else if (k == "subtitle_scale") {
622 _subtitle_scale = atof (v.c_str ());
623 } else if (k == "colour_lut") {
624 _colour_lut = atoi (v.c_str ());
625 } else if (k == "j2k_bandwidth") {
626 _j2k_bandwidth = atoi (v.c_str ());
627 } else if (k == "dci_date") {
628 _dci_date = boost::gregorian::from_undelimited_string (v);
629 } else if (k == "dcp_frame_rate") {
630 _dcp_frame_rate = atoi (v.c_str ());
633 _dci_metadata.read (k, v);
637 _size.width = atoi (v.c_str ());
638 } else if (k == "height") {
639 _size.height = atoi (v.c_str ());
640 } else if (k == "length") {
641 int const vv = atoi (v.c_str ());
645 } else if (k == "content_digest") {
647 } else if (k == "content_audio_stream" || (!version && k == "audio_stream")) {
648 _content_audio_streams.push_back (audio_stream_factory (v, version));
649 } else if (k == "external_audio_stream") {
650 _sndfile_stream = audio_stream_factory (v, version);
651 } else if (k == "subtitle_stream") {
652 _subtitle_streams.push_back (subtitle_stream_factory (v, version));
653 } else if (k == "source_frame_rate") {
654 _source_frame_rate = atof (v.c_str ());
655 } else if (version < 4 && k == "frames_per_second") {
656 _source_frame_rate = atof (v.c_str ());
657 /* Fill in what would have been used for DCP frame rate by the older version */
658 _dcp_frame_rate = best_dcp_frame_rate (_source_frame_rate);
663 if (audio_sample_rate) {
664 /* version < 1 didn't specify sample rate in the audio streams, so fill it in here */
665 for (vector<shared_ptr<AudioStream> >::iterator i = _content_audio_streams.begin(); i != _content_audio_streams.end(); ++i) {
666 (*i)->set_sample_rate (audio_sample_rate.get());
670 /* also the selected stream was specified as an index */
671 if (audio_stream_index && audio_stream_index.get() >= 0 && audio_stream_index.get() < (int) _content_audio_streams.size()) {
672 _content_audio_stream = _content_audio_streams[audio_stream_index.get()];
675 /* similarly the subtitle */
676 if (subtitle_stream_index && subtitle_stream_index.get() >= 0 && subtitle_stream_index.get() < (int) _subtitle_streams.size()) {
677 _subtitle_stream = _subtitle_streams[subtitle_stream_index.get()];
685 Film::cropped_size (libdcp::Size s) const
687 boost::mutex::scoped_lock lm (_state_mutex);
688 s.width -= _crop.left + _crop.right;
689 s.height -= _crop.top + _crop.bottom;
693 /** Given a directory name, return its full path within the Film's directory.
694 * The directory (and its parents) will be created if they do not exist.
697 Film::dir (string d) const
699 boost::mutex::scoped_lock lm (_directory_mutex);
701 boost::filesystem::path p;
705 boost::filesystem::create_directories (p);
710 /** Given a file or directory name, return its full path within the Film's directory.
711 * _directory_mutex must not be locked on entry.
712 * Any required parent directories will be created.
715 Film::file (string f) const
717 boost::mutex::scoped_lock lm (_directory_mutex);
719 boost::filesystem::path p;
723 boost::filesystem::create_directories (p.parent_path ());
728 /** @return full path of the content (actual video) file
732 Film::content_path () const
734 boost::mutex::scoped_lock lm (_state_mutex);
735 if (boost::filesystem::path(_content).has_root_directory ()) {
739 return file (_content);
743 Film::content_type () const
745 if (boost::filesystem::is_directory (_content)) {
746 /* Directory of images, we assume */
750 if (still_image_file (_content)) {
757 /** @return The sampling rate that we will resample the audio to */
759 Film::target_audio_sample_rate () const
761 if (!audio_stream()) {
765 /* Resample to a DCI-approved sample rate */
766 double t = dcp_audio_sample_rate (audio_stream()->sample_rate());
768 FrameRateConversion frc (source_frame_rate(), dcp_frame_rate());
770 /* Compensate if the DCP is being run at a different frame rate
771 to the source; that is, if the video is run such that it will
772 look different in the DCP compared to the source (slower or faster).
773 skip/repeat doesn't come into effect here.
776 if (frc.change_speed) {
777 t *= source_frame_rate() * frc.factor() / dcp_frame_rate();
784 Film::still_duration_in_frames () const
786 return still_duration() * source_frame_rate();
789 /** @return a DCI-compliant name for a DCP of this film */
791 Film::dci_name (bool if_created_now) const
795 string fixed_name = to_upper_copy (name());
796 for (size_t i = 0; i < fixed_name.length(); ++i) {
797 if (fixed_name[i] == ' ') {
802 /* Spec is that the name part should be maximum 14 characters, as I understand it */
803 if (fixed_name.length() > 14) {
804 fixed_name = fixed_name.substr (0, 14);
809 if (dcp_content_type()) {
810 d << "_" << dcp_content_type()->dci_name();
814 d << "_" << format()->dci_name();
817 DCIMetadata const dm = dci_metadata ();
819 if (!dm.audio_language.empty ()) {
820 d << "_" << dm.audio_language;
821 if (!dm.subtitle_language.empty()) {
822 d << "-" << dm.subtitle_language;
828 if (!dm.territory.empty ()) {
829 d << "_" << dm.territory;
830 if (!dm.rating.empty ()) {
831 d << "-" << dm.rating;
835 switch (audio_channels()) {
852 if (!dm.studio.empty ()) {
853 d << "_" << dm.studio;
856 if (if_created_now) {
857 d << "_" << boost::gregorian::to_iso_string (boost::gregorian::day_clock::local_day ());
859 d << "_" << boost::gregorian::to_iso_string (_dci_date);
862 if (!dm.facility.empty ()) {
863 d << "_" << dm.facility;
866 if (!dm.package_type.empty ()) {
867 d << "_" << dm.package_type;
873 /** @return name to give the DCP */
875 Film::dcp_name (bool if_created_now) const
877 if (use_dci_name()) {
878 return dci_name (if_created_now);
886 Film::set_directory (string d)
888 boost::mutex::scoped_lock lm (_state_mutex);
894 Film::set_name (string n)
897 boost::mutex::scoped_lock lm (_state_mutex);
900 signal_changed (NAME);
904 Film::set_use_dci_name (bool u)
907 boost::mutex::scoped_lock lm (_state_mutex);
910 signal_changed (USE_DCI_NAME);
914 Film::set_content (string c)
916 string check = directory ();
918 boost::filesystem::path slash ("/");
919 string platform_slash = slash.make_preferred().string ();
921 if (!ends_with (check, platform_slash)) {
922 check += platform_slash;
925 if (boost::filesystem::path(c).has_root_directory () && starts_with (c, check)) {
926 c = c.substr (_directory.length() + 1);
932 boost::mutex::scoped_lock lm (_state_mutex);
937 old_content = _content;
941 /* Reset streams here in case the new content doesn't have one or the other */
942 _content_audio_stream = shared_ptr<AudioStream> ();
943 _subtitle_stream = shared_ptr<SubtitleStream> ();
945 /* Start off using content audio */
946 set_use_content_audio (true);
948 /* Create a temporary decoder so that we can get information
953 Decoders d = decoder_factory (shared_from_this(), DecodeOptions());
955 set_size (d.video->native_size ());
956 set_source_frame_rate (d.video->frames_per_second ());
957 set_dcp_frame_rate (best_dcp_frame_rate (source_frame_rate ()));
958 set_subtitle_streams (d.video->subtitle_streams ());
960 set_content_audio_streams (d.audio->audio_streams ());
964 boost::mutex::scoped_lock lm (_state_mutex);
968 signal_changed (CONTENT);
970 /* Start off with the first audio and subtitle streams */
971 if (d.audio && !d.audio->audio_streams().empty()) {
972 set_content_audio_stream (d.audio->audio_streams().front());
975 if (!d.video->subtitle_streams().empty()) {
976 set_subtitle_stream (d.video->subtitle_streams().front());
983 boost::mutex::scoped_lock lm (_state_mutex);
984 _content = old_content;
990 switch (content_type()) {
992 set_format (Format::from_id ("var-185"));
995 set_format (Format::from_id ("185"));
999 /* Still image DCPs must use external audio */
1000 if (content_type() == STILL) {
1001 set_use_content_audio (false);
1006 Film::set_trust_content_header (bool t)
1009 boost::mutex::scoped_lock lm (_state_mutex);
1010 _trust_content_header = t;
1013 signal_changed (TRUST_CONTENT_HEADER);
1015 if (!_trust_content_header && !content().empty()) {
1016 /* We just said that we don't trust the content's header */
1022 Film::set_dcp_content_type (DCPContentType const * t)
1025 boost::mutex::scoped_lock lm (_state_mutex);
1026 _dcp_content_type = t;
1028 signal_changed (DCP_CONTENT_TYPE);
1032 Film::set_format (Format const * f)
1035 boost::mutex::scoped_lock lm (_state_mutex);
1038 signal_changed (FORMAT);
1042 Film::set_crop (Crop c)
1045 boost::mutex::scoped_lock lm (_state_mutex);
1048 signal_changed (CROP);
1052 Film::set_left_crop (int c)
1055 boost::mutex::scoped_lock lm (_state_mutex);
1057 if (_crop.left == c) {
1063 signal_changed (CROP);
1067 Film::set_right_crop (int c)
1070 boost::mutex::scoped_lock lm (_state_mutex);
1071 if (_crop.right == c) {
1077 signal_changed (CROP);
1081 Film::set_top_crop (int c)
1084 boost::mutex::scoped_lock lm (_state_mutex);
1085 if (_crop.top == c) {
1091 signal_changed (CROP);
1095 Film::set_bottom_crop (int c)
1098 boost::mutex::scoped_lock lm (_state_mutex);
1099 if (_crop.bottom == c) {
1105 signal_changed (CROP);
1109 Film::set_filters (vector<Filter const *> f)
1112 boost::mutex::scoped_lock lm (_state_mutex);
1115 signal_changed (FILTERS);
1119 Film::set_scaler (Scaler const * s)
1122 boost::mutex::scoped_lock lm (_state_mutex);
1125 signal_changed (SCALER);
1129 Film::set_trim_start (int t)
1132 boost::mutex::scoped_lock lm (_state_mutex);
1135 signal_changed (TRIM_START);
1139 Film::set_trim_end (int t)
1142 boost::mutex::scoped_lock lm (_state_mutex);
1145 signal_changed (TRIM_END);
1149 Film::set_trim_type (TrimType t)
1152 boost::mutex::scoped_lock lm (_state_mutex);
1155 signal_changed (TRIM_TYPE);
1159 Film::set_dcp_ab (bool a)
1162 boost::mutex::scoped_lock lm (_state_mutex);
1165 signal_changed (DCP_AB);
1169 Film::set_content_audio_stream (shared_ptr<AudioStream> s)
1172 boost::mutex::scoped_lock lm (_state_mutex);
1173 _content_audio_stream = s;
1175 signal_changed (CONTENT_AUDIO_STREAM);
1179 Film::set_external_audio (vector<string> a)
1182 boost::mutex::scoped_lock lm (_state_mutex);
1183 _external_audio = a;
1186 shared_ptr<SndfileDecoder> decoder (new SndfileDecoder (shared_from_this(), DecodeOptions()));
1187 if (decoder->audio_stream()) {
1188 _sndfile_stream = decoder->audio_stream ();
1191 signal_changed (EXTERNAL_AUDIO);
1195 Film::set_use_content_audio (bool e)
1198 boost::mutex::scoped_lock lm (_state_mutex);
1199 _use_content_audio = e;
1202 signal_changed (USE_CONTENT_AUDIO);
1206 Film::set_audio_gain (float g)
1209 boost::mutex::scoped_lock lm (_state_mutex);
1212 signal_changed (AUDIO_GAIN);
1216 Film::set_audio_delay (int d)
1219 boost::mutex::scoped_lock lm (_state_mutex);
1222 signal_changed (AUDIO_DELAY);
1226 Film::set_still_duration (int d)
1229 boost::mutex::scoped_lock lm (_state_mutex);
1230 _still_duration = d;
1232 signal_changed (STILL_DURATION);
1236 Film::set_subtitle_stream (shared_ptr<SubtitleStream> s)
1239 boost::mutex::scoped_lock lm (_state_mutex);
1240 _subtitle_stream = s;
1242 signal_changed (SUBTITLE_STREAM);
1246 Film::set_with_subtitles (bool w)
1249 boost::mutex::scoped_lock lm (_state_mutex);
1250 _with_subtitles = w;
1252 signal_changed (WITH_SUBTITLES);
1256 Film::set_subtitle_offset (int o)
1259 boost::mutex::scoped_lock lm (_state_mutex);
1260 _subtitle_offset = o;
1262 signal_changed (SUBTITLE_OFFSET);
1266 Film::set_subtitle_scale (float s)
1269 boost::mutex::scoped_lock lm (_state_mutex);
1270 _subtitle_scale = s;
1272 signal_changed (SUBTITLE_SCALE);
1276 Film::set_colour_lut (int i)
1279 boost::mutex::scoped_lock lm (_state_mutex);
1282 signal_changed (COLOUR_LUT);
1286 Film::set_j2k_bandwidth (int b)
1289 boost::mutex::scoped_lock lm (_state_mutex);
1292 signal_changed (J2K_BANDWIDTH);
1296 Film::set_dci_metadata (DCIMetadata m)
1299 boost::mutex::scoped_lock lm (_state_mutex);
1302 signal_changed (DCI_METADATA);
1307 Film::set_dcp_frame_rate (int f)
1310 boost::mutex::scoped_lock lm (_state_mutex);
1311 _dcp_frame_rate = f;
1313 signal_changed (DCP_FRAME_RATE);
1317 Film::set_size (libdcp::Size s)
1320 boost::mutex::scoped_lock lm (_state_mutex);
1323 signal_changed (SIZE);
1327 Film::set_length (SourceFrame l)
1330 boost::mutex::scoped_lock lm (_state_mutex);
1333 signal_changed (LENGTH);
1337 Film::unset_length ()
1340 boost::mutex::scoped_lock lm (_state_mutex);
1341 _length = boost::none;
1343 signal_changed (LENGTH);
1347 Film::set_content_digest (string d)
1350 boost::mutex::scoped_lock lm (_state_mutex);
1351 _content_digest = d;
1357 Film::set_content_audio_streams (vector<shared_ptr<AudioStream> > s)
1360 boost::mutex::scoped_lock lm (_state_mutex);
1361 _content_audio_streams = s;
1363 signal_changed (CONTENT_AUDIO_STREAMS);
1367 Film::set_subtitle_streams (vector<shared_ptr<SubtitleStream> > s)
1370 boost::mutex::scoped_lock lm (_state_mutex);
1371 _subtitle_streams = s;
1373 signal_changed (SUBTITLE_STREAMS);
1377 Film::set_source_frame_rate (float f)
1380 boost::mutex::scoped_lock lm (_state_mutex);
1381 _source_frame_rate = f;
1383 signal_changed (SOURCE_FRAME_RATE);
1387 Film::signal_changed (Property p)
1390 boost::mutex::scoped_lock lm (_state_mutex);
1395 ui_signaller->emit (boost::bind (boost::ref (Changed), p));
1400 Film::audio_channels () const
1402 shared_ptr<AudioStream> s = audio_stream ();
1407 return s->channels ();
1411 Film::set_dci_date_today ()
1413 _dci_date = boost::gregorian::day_clock::local_day ();
1416 boost::shared_ptr<AudioStream>
1417 Film::audio_stream () const
1419 if (use_content_audio()) {
1420 return _content_audio_stream;
1423 return _sndfile_stream;
1427 Film::info_path (int f) const
1429 boost::filesystem::path p;
1434 s << setfill('0') << f << ".md5";
1438 /* info_dir() will already have added any initial bit of the path,
1439 so don't call file() on this.
1445 Film::j2c_path (int f, bool t) const
1447 boost::filesystem::path p;
1449 p /= video_state_identifier ();
1453 s << setfill('0') << f << ".j2c";
1460 return file (p.string ());
1463 /** Make an educated guess as to whether we have a complete DCP
1465 * @return true if we do.
1469 Film::have_dcp () const
1472 libdcp::DCP dcp (dir (dcp_name()));
1482 Film::has_audio () const
1484 if (use_content_audio()) {
1485 return audio_stream();
1488 vector<string> const e = external_audio ();
1489 for (vector<string>::const_iterator i = e.begin(); i != e.end(); ++i) {