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 "external_audio_decoder.h"
58 using std::stringstream;
68 using boost::shared_ptr;
69 using boost::lexical_cast;
70 using boost::to_upper_copy;
71 using boost::ends_with;
72 using boost::starts_with;
73 using boost::optional;
76 int const Film::state_version = 3;
78 /** Construct a Film object in a given directory, reading any metadata
79 * file that exists in that directory. An exception will be thrown if
80 * must_exist is true and the specified directory does not exist.
82 * @param d Film directory.
83 * @param must_exist true to throw an exception if does not exist.
86 Film::Film (string d, bool must_exist)
87 : _use_dci_name (true)
88 , _trust_content_header (true)
89 , _dcp_content_type (0)
91 , _scaler (Scaler::from_id ("bicubic"))
95 , _use_content_audio (true)
98 , _still_duration (10)
99 , _with_subtitles (false)
100 , _subtitle_offset (0)
101 , _subtitle_scale (1)
103 , _j2k_bandwidth (200000000)
104 , _dci_metadata (Config::instance()->default_dci_metadata ())
105 , _frames_per_second (0)
108 set_dci_date_today ();
110 /* Make state.directory a complete path without ..s (where possible)
111 (Code swiped from Adam Bowen on stackoverflow)
114 boost::filesystem::path p (boost::filesystem::system_complete (d));
115 boost::filesystem::path result;
116 for (boost::filesystem::path::iterator i = p.begin(); i != p.end(); ++i) {
118 if (boost::filesystem::is_symlink (result) || result.filename() == "..") {
121 result = result.parent_path ();
123 } else if (*i != ".") {
128 set_directory (result.string ());
130 if (!boost::filesystem::exists (directory())) {
132 throw OpenFileError (directory());
134 boost::filesystem::create_directory (directory());
138 _external_audio_stream = ExternalAudioStream::create ();
144 _log = new FileLog (file ("log"));
147 Film::Film (Film const & o)
148 : boost::enable_shared_from_this<Film> (o)
150 , _directory (o._directory)
152 , _use_dci_name (o._use_dci_name)
153 , _content (o._content)
154 , _trust_content_header (o._trust_content_header)
155 , _dcp_content_type (o._dcp_content_type)
156 , _format (o._format)
158 , _filters (o._filters)
159 , _scaler (o._scaler)
160 , _trim_start (o._trim_start)
161 , _trim_end (o._trim_end)
162 , _dcp_ab (o._dcp_ab)
163 , _content_audio_stream (o._content_audio_stream)
164 , _external_audio (o._external_audio)
165 , _use_content_audio (o._use_content_audio)
166 , _audio_gain (o._audio_gain)
167 , _audio_delay (o._audio_delay)
168 , _still_duration (o._still_duration)
169 , _subtitle_stream (o._subtitle_stream)
170 , _with_subtitles (o._with_subtitles)
171 , _subtitle_offset (o._subtitle_offset)
172 , _subtitle_scale (o._subtitle_scale)
173 , _colour_lut (o._colour_lut)
174 , _j2k_bandwidth (o._j2k_bandwidth)
175 , _dci_metadata (o._dci_metadata)
176 , _dci_date (o._dci_date)
178 , _length (o._length)
179 , _dcp_intrinsic_duration (o._dcp_intrinsic_duration)
180 , _content_digest (o._content_digest)
181 , _content_audio_streams (o._content_audio_streams)
182 , _external_audio_stream (o._external_audio_stream)
183 , _subtitle_streams (o._subtitle_streams)
184 , _frames_per_second (o._frames_per_second)
196 Film::video_state_identifier () const
200 pair<string, string> f = Filter::ffmpeg_strings (filters());
204 << "_" << content_digest()
205 << "_" << crop().left << "_" << crop().right << "_" << crop().top << "_" << crop().bottom
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;
219 /** @return The path to the directory to write video frame info files to */
221 Film::info_dir () const
223 boost::filesystem::path p;
225 p /= video_state_identifier ();
226 return dir (p.string());
230 Film::video_mxf_dir () const
232 boost::filesystem::path p;
233 return dir ("video");
237 Film::video_mxf_filename () const
239 return video_state_identifier() + ".mxf";
242 /** Add suitable Jobs to the JobManager to create a DCP for this Film */
246 set_dci_date_today ();
248 if (dcp_name().find ("/") != string::npos) {
249 throw BadSettingError ("name", _("cannot contain slashes"));
252 log()->log (String::compose ("DVD-o-matic %1 git %2 using %3", dvdomatic_version, dvdomatic_git_commit, dependency_version_summary()));
256 gethostname (buffer, sizeof (buffer));
257 log()->log (String::compose ("Starting to make DCP on %1", buffer));
260 log()->log (String::compose ("Content is %1; type %2", content_path(), (content_type() == STILL ? "still" : "video")));
262 log()->log (String::compose ("Content length %1", length().get()));
264 log()->log (String::compose ("Content digest %1", content_digest()));
265 log()->log (String::compose ("%1 threads", Config::instance()->num_local_encoding_threads()));
266 log()->log (String::compose ("J2K bandwidth %1", j2k_bandwidth()));
267 #ifdef DVDOMATIC_DEBUG
268 log()->log ("DVD-o-matic built in debug mode.");
270 log()->log ("DVD-o-matic built in optimised mode.");
273 log()->log ("libdcp built in debug mode.");
275 log()->log ("libdcp built in optimised mode.");
277 pair<string, int> const c = cpu_info ();
278 log()->log (String::compose ("CPU: %1, %2 processors", c.first, c.second));
281 throw MissingSettingError ("format");
284 if (content().empty ()) {
285 throw MissingSettingError ("content");
288 if (dcp_content_type() == 0) {
289 throw MissingSettingError ("content type");
292 if (name().empty()) {
293 throw MissingSettingError ("name");
297 od.decode_subtitles = with_subtitles ();
302 r = JobManager::instance()->add (shared_ptr<Job> (new ABTranscodeJob (shared_from_this(), od)));
304 r = JobManager::instance()->add (shared_ptr<Job> (new TranscodeJob (shared_from_this(), od)));
308 /** Start a job to examine our content file */
310 Film::examine_content ()
312 if (_examine_content_job) {
316 _examine_content_job.reset (new ExamineContentJob (shared_from_this()));
317 _examine_content_job->Finished.connect (bind (&Film::examine_content_finished, this));
318 JobManager::instance()->add (_examine_content_job);
322 Film::examine_content_finished ()
324 _examine_content_job.reset ();
327 /** Start a job to send our DCP to the configured TMS */
329 Film::send_dcp_to_tms ()
331 shared_ptr<Job> j (new SCPDCPJob (shared_from_this()));
332 JobManager::instance()->add (j);
335 /** Count the number of frames that have been encoded for this film.
336 * @return frame count.
339 Film::encoded_frames () const
346 for (boost::filesystem::directory_iterator i = boost::filesystem::directory_iterator (info_dir ()); i != boost::filesystem::directory_iterator(); ++i) {
348 boost::this_thread::interruption_point ();
354 /** Write state to our `metadata' file */
356 Film::write_metadata () const
358 boost::mutex::scoped_lock lm (_state_mutex);
360 boost::filesystem::create_directories (directory());
362 string const m = file ("metadata");
363 ofstream f (m.c_str ());
365 throw CreateFileError (m);
368 f << "version " << state_version << "\n";
371 f << "name " << _name << "\n";
372 f << "use_dci_name " << _use_dci_name << "\n";
373 f << "content " << _content << "\n";
374 f << "trust_content_header " << (_trust_content_header ? "1" : "0") << "\n";
375 if (_dcp_content_type) {
376 f << "dcp_content_type " << _dcp_content_type->dci_name () << "\n";
379 f << "format " << _format->as_metadata () << "\n";
381 f << "left_crop " << _crop.left << "\n";
382 f << "right_crop " << _crop.right << "\n";
383 f << "top_crop " << _crop.top << "\n";
384 f << "bottom_crop " << _crop.bottom << "\n";
385 for (vector<Filter const *>::const_iterator i = _filters.begin(); i != _filters.end(); ++i) {
386 f << "filter " << (*i)->id () << "\n";
388 f << "scaler " << _scaler->id () << "\n";
389 f << "trim_start " << _trim_start << "\n";
390 f << "trim_end " << _trim_end << "\n";
391 f << "dcp_ab " << (_dcp_ab ? "1" : "0") << "\n";
392 if (_content_audio_stream) {
393 f << "selected_content_audio_stream " << _content_audio_stream->to_string() << "\n";
395 for (vector<string>::const_iterator i = _external_audio.begin(); i != _external_audio.end(); ++i) {
396 f << "external_audio " << *i << "\n";
398 f << "use_content_audio " << (_use_content_audio ? "1" : "0") << "\n";
399 f << "audio_gain " << _audio_gain << "\n";
400 f << "audio_delay " << _audio_delay << "\n";
401 f << "still_duration " << _still_duration << "\n";
402 if (_subtitle_stream) {
403 f << "selected_subtitle_stream " << _subtitle_stream->to_string() << "\n";
405 f << "with_subtitles " << _with_subtitles << "\n";
406 f << "subtitle_offset " << _subtitle_offset << "\n";
407 f << "subtitle_scale " << _subtitle_scale << "\n";
408 f << "colour_lut " << _colour_lut << "\n";
409 f << "j2k_bandwidth " << _j2k_bandwidth << "\n";
410 _dci_metadata.write (f);
411 f << "dci_date " << boost::gregorian::to_iso_string (_dci_date) << "\n";
412 f << "width " << _size.width << "\n";
413 f << "height " << _size.height << "\n";
414 f << "length " << _length.get_value_or(0) << "\n";
415 f << "dcp_intrinsic_duration " << _dcp_intrinsic_duration.get_value_or(0) << "\n";
416 f << "content_digest " << _content_digest << "\n";
418 for (vector<shared_ptr<AudioStream> >::const_iterator i = _content_audio_streams.begin(); i != _content_audio_streams.end(); ++i) {
419 f << "content_audio_stream " << (*i)->to_string () << "\n";
422 f << "external_audio_stream " << _external_audio_stream->to_string() << "\n";
424 for (vector<shared_ptr<SubtitleStream> >::const_iterator i = _subtitle_streams.begin(); i != _subtitle_streams.end(); ++i) {
425 f << "subtitle_stream " << (*i)->to_string () << "\n";
428 f << "frames_per_second " << _frames_per_second << "\n";
433 /** Read state from our metadata file */
435 Film::read_metadata ()
437 boost::mutex::scoped_lock lm (_state_mutex);
439 _external_audio.clear ();
440 _content_audio_streams.clear ();
441 _subtitle_streams.clear ();
443 boost::optional<int> version;
445 /* Backward compatibility things */
446 boost::optional<int> audio_sample_rate;
447 boost::optional<int> audio_stream_index;
448 boost::optional<int> subtitle_stream_index;
450 ifstream f (file ("metadata").c_str());
452 throw OpenFileError (file ("metadata"));
455 multimap<string, string> kv = read_key_value (f);
457 /* We need version before anything else */
458 multimap<string, string>::iterator v = kv.find ("version");
459 if (v != kv.end ()) {
460 version = atoi (v->second.c_str());
463 for (multimap<string, string>::const_iterator i = kv.begin(); i != kv.end(); ++i) {
464 string const k = i->first;
465 string const v = i->second;
467 if (k == "audio_sample_rate") {
468 audio_sample_rate = atoi (v.c_str());
471 /* User-specified stuff */
474 } else if (k == "use_dci_name") {
475 _use_dci_name = (v == "1");
476 } else if (k == "content") {
478 } else if (k == "trust_content_header") {
479 _trust_content_header = (v == "1");
480 } else if (k == "dcp_content_type") {
482 _dcp_content_type = DCPContentType::from_pretty_name (v);
484 _dcp_content_type = DCPContentType::from_dci_name (v);
486 } else if (k == "format") {
487 _format = Format::from_metadata (v);
488 } else if (k == "left_crop") {
489 _crop.left = atoi (v.c_str ());
490 } else if (k == "right_crop") {
491 _crop.right = atoi (v.c_str ());
492 } else if (k == "top_crop") {
493 _crop.top = atoi (v.c_str ());
494 } else if (k == "bottom_crop") {
495 _crop.bottom = atoi (v.c_str ());
496 } else if (k == "filter") {
497 _filters.push_back (Filter::from_id (v));
498 } else if (k == "scaler") {
499 _scaler = Scaler::from_id (v);
500 } else if ( ((!version || version < 2) && k == "dcp_trim_start") || k == "trim_start") {
501 _trim_start = atoi (v.c_str ());
502 } else if ( ((!version || version < 2) && k == "dcp_trim_end") || k == "trim_end") {
503 _trim_end = atoi (v.c_str ());
504 } else if (k == "dcp_ab") {
505 _dcp_ab = (v == "1");
506 } else if (k == "selected_content_audio_stream" || (!version && k == "selected_audio_stream")) {
508 audio_stream_index = atoi (v.c_str ());
510 _content_audio_stream = audio_stream_factory (v, version);
512 } else if (k == "external_audio") {
513 _external_audio.push_back (v);
514 } else if (k == "use_content_audio") {
515 _use_content_audio = (v == "1");
516 } else if (k == "audio_gain") {
517 _audio_gain = atof (v.c_str ());
518 } else if (k == "audio_delay") {
519 _audio_delay = atoi (v.c_str ());
520 } else if (k == "still_duration") {
521 _still_duration = atoi (v.c_str ());
522 } else if (k == "selected_subtitle_stream") {
524 subtitle_stream_index = atoi (v.c_str ());
526 _subtitle_stream = subtitle_stream_factory (v, version);
528 } else if (k == "with_subtitles") {
529 _with_subtitles = (v == "1");
530 } else if (k == "subtitle_offset") {
531 _subtitle_offset = atoi (v.c_str ());
532 } else if (k == "subtitle_scale") {
533 _subtitle_scale = atof (v.c_str ());
534 } else if (k == "colour_lut") {
535 _colour_lut = atoi (v.c_str ());
536 } else if (k == "j2k_bandwidth") {
537 _j2k_bandwidth = atoi (v.c_str ());
538 } else if (k == "dci_date") {
539 _dci_date = boost::gregorian::from_undelimited_string (v);
542 _dci_metadata.read (k, v);
546 _size.width = atoi (v.c_str ());
547 } else if (k == "height") {
548 _size.height = atoi (v.c_str ());
549 } else if (k == "length") {
550 int const vv = atoi (v.c_str ());
554 } else if (k == "dcp_intrinsic_duration") {
555 int const vv = atoi (v.c_str ());
557 _dcp_intrinsic_duration = vv;
559 } else if (k == "content_digest") {
561 } else if (k == "content_audio_stream" || (!version && k == "audio_stream")) {
562 _content_audio_streams.push_back (audio_stream_factory (v, version));
563 } else if (k == "external_audio_stream") {
564 _external_audio_stream = audio_stream_factory (v, version);
565 } else if (k == "subtitle_stream") {
566 _subtitle_streams.push_back (subtitle_stream_factory (v, version));
567 } else if (k == "frames_per_second") {
568 _frames_per_second = atof (v.c_str ());
573 if (audio_sample_rate) {
574 /* version < 1 didn't specify sample rate in the audio streams, so fill it in here */
575 for (vector<shared_ptr<AudioStream> >::iterator i = _content_audio_streams.begin(); i != _content_audio_streams.end(); ++i) {
576 (*i)->set_sample_rate (audio_sample_rate.get());
580 /* also the selected stream was specified as an index */
581 if (audio_stream_index && audio_stream_index.get() >= 0 && audio_stream_index.get() < (int) _content_audio_streams.size()) {
582 _content_audio_stream = _content_audio_streams[audio_stream_index.get()];
585 /* similarly the subtitle */
586 if (subtitle_stream_index && subtitle_stream_index.get() >= 0 && subtitle_stream_index.get() < (int) _subtitle_streams.size()) {
587 _subtitle_stream = _subtitle_streams[subtitle_stream_index.get()];
595 Film::cropped_size (libdcp::Size s) const
597 boost::mutex::scoped_lock lm (_state_mutex);
598 s.width -= _crop.left + _crop.right;
599 s.height -= _crop.top + _crop.bottom;
603 /** Given a directory name, return its full path within the Film's directory.
604 * The directory (and its parents) will be created if they do not exist.
607 Film::dir (string d) const
609 boost::mutex::scoped_lock lm (_directory_mutex);
611 boost::filesystem::path p;
615 boost::filesystem::create_directories (p);
620 /** Given a file or directory name, return its full path within the Film's directory.
621 * _directory_mutex must not be locked on entry.
622 * Any required parent directories will be created.
625 Film::file (string f) const
627 boost::mutex::scoped_lock lm (_directory_mutex);
629 boost::filesystem::path p;
633 boost::filesystem::create_directories (p.parent_path ());
638 /** @return full path of the content (actual video) file
642 Film::content_path () const
644 boost::mutex::scoped_lock lm (_state_mutex);
645 if (boost::filesystem::path(_content).has_root_directory ()) {
649 return file (_content);
653 Film::content_type () const
655 if (boost::filesystem::is_directory (_content)) {
656 /* Directory of images, we assume */
660 if (still_image_file (_content)) {
667 /** @return The sampling rate that we will resample the audio to */
669 Film::target_audio_sample_rate () const
671 if (!audio_stream()) {
675 /* Resample to a DCI-approved sample rate */
676 double t = dcp_audio_sample_rate (audio_stream()->sample_rate());
678 DCPFrameRate dfr (frames_per_second ());
680 /* Compensate if the DCP is being run at a different frame rate
681 to the source; that is, if the video is run such that it will
682 look different in the DCP compared to the source (slower or faster).
683 skip/repeat doesn't come into effect here.
686 if (dfr.change_speed) {
687 t *= _frames_per_second * dfr.factor() / dfr.frames_per_second;
694 Film::still_duration_in_frames () const
696 return still_duration() * frames_per_second();
699 /** @return a DCI-compliant name for a DCP of this film */
701 Film::dci_name (bool if_created_now) const
705 string fixed_name = to_upper_copy (name());
706 for (size_t i = 0; i < fixed_name.length(); ++i) {
707 if (fixed_name[i] == ' ') {
712 /* Spec is that the name part should be maximum 14 characters, as I understand it */
713 if (fixed_name.length() > 14) {
714 fixed_name = fixed_name.substr (0, 14);
717 d << fixed_name << "_";
719 if (dcp_content_type()) {
720 d << dcp_content_type()->dci_name() << "_";
724 d << format()->dci_name() << "_";
727 DCIMetadata const dm = dci_metadata ();
729 if (!dm.audio_language.empty ()) {
730 d << dm.audio_language;
731 if (!dm.subtitle_language.empty() && with_subtitles()) {
732 d << "-" << dm.subtitle_language;
740 if (!dm.territory.empty ()) {
742 if (!dm.rating.empty ()) {
743 d << "-" << dm.rating;
748 switch (audio_channels()) {
765 if (!dm.studio.empty ()) {
766 d << dm.studio << "_";
769 if (if_created_now) {
770 d << boost::gregorian::to_iso_string (boost::gregorian::day_clock::local_day ()) << "_";
772 d << boost::gregorian::to_iso_string (_dci_date) << "_";
775 if (!dm.facility.empty ()) {
776 d << dm.facility << "_";
779 if (!dm.package_type.empty ()) {
780 d << dm.package_type;
786 /** @return name to give the DCP */
788 Film::dcp_name (bool if_created_now) const
790 if (use_dci_name()) {
791 return dci_name (if_created_now);
799 Film::set_directory (string d)
801 boost::mutex::scoped_lock lm (_state_mutex);
807 Film::set_name (string n)
810 boost::mutex::scoped_lock lm (_state_mutex);
813 signal_changed (NAME);
817 Film::set_use_dci_name (bool u)
820 boost::mutex::scoped_lock lm (_state_mutex);
823 signal_changed (USE_DCI_NAME);
827 Film::set_content (string c)
829 string check = directory ();
831 boost::filesystem::path slash ("/");
832 string platform_slash = slash.make_preferred().string ();
834 if (!ends_with (check, platform_slash)) {
835 check += platform_slash;
838 if (boost::filesystem::path(c).has_root_directory () && starts_with (c, check)) {
839 c = c.substr (_directory.length() + 1);
845 boost::mutex::scoped_lock lm (_state_mutex);
850 old_content = _content;
854 /* Reset streams here in case the new content doesn't have one or the other */
855 _content_audio_stream = shared_ptr<AudioStream> ();
856 _subtitle_stream = shared_ptr<SubtitleStream> ();
858 /* Start off using content audio */
859 set_use_content_audio (true);
861 /* Create a temporary decoder so that we can get information
866 Decoders d = decoder_factory (shared_from_this(), DecodeOptions());
868 set_size (d.video->native_size ());
869 set_frames_per_second (d.video->frames_per_second ());
870 set_subtitle_streams (d.video->subtitle_streams ());
872 set_content_audio_streams (d.audio->audio_streams ());
875 /* Start off with the first audio and subtitle streams */
876 if (d.audio && !d.audio->audio_streams().empty()) {
877 set_content_audio_stream (d.audio->audio_streams().front());
880 if (!d.video->subtitle_streams().empty()) {
881 set_subtitle_stream (d.video->subtitle_streams().front());
885 boost::mutex::scoped_lock lm (_state_mutex);
889 signal_changed (CONTENT);
895 boost::mutex::scoped_lock lm (_state_mutex);
896 _content = old_content;
902 switch (content_type()) {
904 set_format (Format::from_id ("var-185"));
907 set_format (Format::from_id ("185"));
911 /* Still image DCPs must use external audio */
912 if (content_type() == STILL) {
913 set_use_content_audio (false);
918 Film::set_trust_content_header (bool t)
921 boost::mutex::scoped_lock lm (_state_mutex);
922 _trust_content_header = t;
925 signal_changed (TRUST_CONTENT_HEADER);
927 if (!_trust_content_header && !content().empty()) {
928 /* We just said that we don't trust the content's header */
934 Film::set_dcp_content_type (DCPContentType const * t)
937 boost::mutex::scoped_lock lm (_state_mutex);
938 _dcp_content_type = t;
940 signal_changed (DCP_CONTENT_TYPE);
944 Film::set_format (Format const * f)
947 boost::mutex::scoped_lock lm (_state_mutex);
950 signal_changed (FORMAT);
954 Film::set_crop (Crop c)
957 boost::mutex::scoped_lock lm (_state_mutex);
960 signal_changed (CROP);
964 Film::set_left_crop (int c)
967 boost::mutex::scoped_lock lm (_state_mutex);
969 if (_crop.left == c) {
975 signal_changed (CROP);
979 Film::set_right_crop (int c)
982 boost::mutex::scoped_lock lm (_state_mutex);
983 if (_crop.right == c) {
989 signal_changed (CROP);
993 Film::set_top_crop (int c)
996 boost::mutex::scoped_lock lm (_state_mutex);
997 if (_crop.top == c) {
1003 signal_changed (CROP);
1007 Film::set_bottom_crop (int c)
1010 boost::mutex::scoped_lock lm (_state_mutex);
1011 if (_crop.bottom == c) {
1017 signal_changed (CROP);
1021 Film::set_filters (vector<Filter const *> f)
1024 boost::mutex::scoped_lock lm (_state_mutex);
1027 signal_changed (FILTERS);
1031 Film::set_scaler (Scaler const * s)
1034 boost::mutex::scoped_lock lm (_state_mutex);
1037 signal_changed (SCALER);
1041 Film::set_trim_start (int t)
1044 boost::mutex::scoped_lock lm (_state_mutex);
1047 signal_changed (TRIM_START);
1051 Film::set_trim_end (int t)
1054 boost::mutex::scoped_lock lm (_state_mutex);
1057 signal_changed (TRIM_END);
1061 Film::set_dcp_ab (bool a)
1064 boost::mutex::scoped_lock lm (_state_mutex);
1067 signal_changed (DCP_AB);
1071 Film::set_content_audio_stream (shared_ptr<AudioStream> s)
1074 boost::mutex::scoped_lock lm (_state_mutex);
1075 _content_audio_stream = s;
1077 signal_changed (CONTENT_AUDIO_STREAM);
1081 Film::set_external_audio (vector<string> a)
1084 boost::mutex::scoped_lock lm (_state_mutex);
1085 _external_audio = a;
1088 shared_ptr<ExternalAudioDecoder> decoder (new ExternalAudioDecoder (shared_from_this(), DecodeOptions()));
1089 if (decoder->audio_stream()) {
1090 _external_audio_stream = decoder->audio_stream ();
1093 signal_changed (EXTERNAL_AUDIO);
1097 Film::set_use_content_audio (bool e)
1100 boost::mutex::scoped_lock lm (_state_mutex);
1101 _use_content_audio = e;
1104 signal_changed (USE_CONTENT_AUDIO);
1108 Film::set_audio_gain (float g)
1111 boost::mutex::scoped_lock lm (_state_mutex);
1114 signal_changed (AUDIO_GAIN);
1118 Film::set_audio_delay (int d)
1121 boost::mutex::scoped_lock lm (_state_mutex);
1124 signal_changed (AUDIO_DELAY);
1128 Film::set_still_duration (int d)
1131 boost::mutex::scoped_lock lm (_state_mutex);
1132 _still_duration = d;
1134 signal_changed (STILL_DURATION);
1138 Film::set_subtitle_stream (shared_ptr<SubtitleStream> s)
1141 boost::mutex::scoped_lock lm (_state_mutex);
1142 _subtitle_stream = s;
1144 signal_changed (SUBTITLE_STREAM);
1148 Film::set_with_subtitles (bool w)
1151 boost::mutex::scoped_lock lm (_state_mutex);
1152 _with_subtitles = w;
1154 signal_changed (WITH_SUBTITLES);
1158 Film::set_subtitle_offset (int o)
1161 boost::mutex::scoped_lock lm (_state_mutex);
1162 _subtitle_offset = o;
1164 signal_changed (SUBTITLE_OFFSET);
1168 Film::set_subtitle_scale (float s)
1171 boost::mutex::scoped_lock lm (_state_mutex);
1172 _subtitle_scale = s;
1174 signal_changed (SUBTITLE_SCALE);
1178 Film::set_colour_lut (int i)
1181 boost::mutex::scoped_lock lm (_state_mutex);
1184 signal_changed (COLOUR_LUT);
1188 Film::set_j2k_bandwidth (int b)
1191 boost::mutex::scoped_lock lm (_state_mutex);
1194 signal_changed (J2K_BANDWIDTH);
1198 Film::set_dci_metadata (DCIMetadata m)
1201 boost::mutex::scoped_lock lm (_state_mutex);
1204 signal_changed (DCI_METADATA);
1208 Film::set_size (libdcp::Size s)
1211 boost::mutex::scoped_lock lm (_state_mutex);
1214 signal_changed (SIZE);
1218 Film::set_length (SourceFrame l)
1221 boost::mutex::scoped_lock lm (_state_mutex);
1224 signal_changed (LENGTH);
1228 Film::unset_length ()
1231 boost::mutex::scoped_lock lm (_state_mutex);
1232 _length = boost::none;
1234 signal_changed (LENGTH);
1238 Film::set_dcp_intrinsic_duration (int d)
1241 boost::mutex::scoped_lock lm (_state_mutex);
1242 _dcp_intrinsic_duration = d;
1244 signal_changed (DCP_INTRINSIC_DURATION);
1248 Film::set_content_digest (string d)
1251 boost::mutex::scoped_lock lm (_state_mutex);
1252 _content_digest = d;
1258 Film::set_content_audio_streams (vector<shared_ptr<AudioStream> > s)
1261 boost::mutex::scoped_lock lm (_state_mutex);
1262 _content_audio_streams = s;
1264 signal_changed (CONTENT_AUDIO_STREAMS);
1268 Film::set_subtitle_streams (vector<shared_ptr<SubtitleStream> > s)
1271 boost::mutex::scoped_lock lm (_state_mutex);
1272 _subtitle_streams = s;
1274 signal_changed (SUBTITLE_STREAMS);
1278 Film::set_frames_per_second (float f)
1281 boost::mutex::scoped_lock lm (_state_mutex);
1282 _frames_per_second = f;
1284 signal_changed (FRAMES_PER_SECOND);
1288 Film::signal_changed (Property p)
1291 boost::mutex::scoped_lock lm (_state_mutex);
1296 ui_signaller->emit (boost::bind (boost::ref (Changed), p));
1301 Film::audio_channels () const
1303 shared_ptr<AudioStream> s = audio_stream ();
1308 return s->channels ();
1312 Film::set_dci_date_today ()
1314 _dci_date = boost::gregorian::day_clock::local_day ();
1317 boost::shared_ptr<AudioStream>
1318 Film::audio_stream () const
1320 if (use_content_audio()) {
1321 return _content_audio_stream;
1324 return _external_audio_stream;
1328 Film::info_path (int f) const
1330 boost::filesystem::path p;
1335 s << setfill('0') << f << ".md5";
1339 /* info_dir() will already have added any initial bit of the path,
1340 so don't call file() on this.
1346 Film::j2c_path (int f, bool t) const
1348 boost::filesystem::path p;
1350 p /= video_state_identifier ();
1354 s << setfill('0') << f << ".j2c";
1361 return file (p.string ());
1364 /** Make an educated guess as to whether we have a complete DCP
1366 * @return true if we do.
1370 Film::have_dcp () const
1373 libdcp::DCP dcp (dir (dcp_name()));