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"
42 #include "make_dcp_job.h"
45 #include "exceptions.h"
46 #include "examine_content_job.h"
48 #include "decoder_factory.h"
50 #include "check_hashes_job.h"
52 #include "ui_signaller.h"
53 #include "video_decoder.h"
54 #include "audio_decoder.h"
55 #include "external_audio_decoder.h"
58 using std::stringstream;
69 using boost::shared_ptr;
70 using boost::lexical_cast;
71 using boost::to_upper_copy;
72 using boost::ends_with;
73 using boost::starts_with;
74 using boost::optional;
76 int const Film::state_version = 1;
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 , _dcp_content_type (0)
90 , _scaler (Scaler::from_id ("bicubic"))
94 , _use_content_audio (true)
97 , _still_duration (10)
98 , _with_subtitles (false)
99 , _subtitle_offset (0)
100 , _subtitle_scale (1)
101 , _frames_per_second (0)
104 /* Make state.directory a complete path without ..s (where possible)
105 (Code swiped from Adam Bowen on stackoverflow)
108 boost::filesystem::path p (boost::filesystem::system_complete (d));
109 boost::filesystem::path result;
110 for (boost::filesystem::path::iterator i = p.begin(); i != p.end(); ++i) {
112 if (boost::filesystem::is_symlink (result) || result.filename() == "..") {
115 result = result.parent_path ();
117 } else if (*i != ".") {
122 set_directory (result.string ());
124 if (!boost::filesystem::exists (directory())) {
126 throw OpenFileError (directory());
128 boost::filesystem::create_directory (directory());
132 _external_audio_stream = ExternalAudioStream::create ();
136 _log = new FileLog (file ("log"));
137 set_dci_date_today ();
140 Film::Film (Film const & o)
142 , _directory (o._directory)
144 , _use_dci_name (o._use_dci_name)
145 , _content (o._content)
146 , _dcp_content_type (o._dcp_content_type)
147 , _format (o._format)
149 , _filters (o._filters)
150 , _scaler (o._scaler)
151 , _dcp_trim_start (o._dcp_trim_start)
152 , _dcp_trim_end (o._dcp_trim_end)
153 , _dcp_ab (o._dcp_ab)
154 , _content_audio_stream (o._content_audio_stream)
155 , _external_audio (o._external_audio)
156 , _use_content_audio (o._use_content_audio)
157 , _audio_gain (o._audio_gain)
158 , _audio_delay (o._audio_delay)
159 , _still_duration (o._still_duration)
160 , _subtitle_stream (o._subtitle_stream)
161 , _with_subtitles (o._with_subtitles)
162 , _subtitle_offset (o._subtitle_offset)
163 , _subtitle_scale (o._subtitle_scale)
164 , _audio_language (o._audio_language)
165 , _subtitle_language (o._subtitle_language)
166 , _territory (o._territory)
167 , _rating (o._rating)
168 , _studio (o._studio)
169 , _facility (o._facility)
170 , _package_type (o._package_type)
172 , _length (o._length)
173 , _content_digest (o._content_digest)
174 , _content_audio_streams (o._content_audio_streams)
175 , _external_audio_stream (o._external_audio_stream)
176 , _subtitle_streams (o._subtitle_streams)
177 , _frames_per_second (o._frames_per_second)
188 /** @return The path to the directory to write JPEG2000 files to */
190 Film::j2k_dir () const
194 boost::filesystem::path p;
199 pair<string, string> f = Filter::ffmpeg_strings (filters());
201 /* Write stuff to specify the filter / post-processing settings that are in use,
202 so that we don't get confused about J2K files generated using different
207 << "_" << content_digest()
208 << "_" << crop().left << "_" << crop().right << "_" << crop().top << "_" << crop().bottom
209 << "_" << f.first << "_" << f.second
210 << "_" << scaler()->id();
214 /* Similarly for the A/B case */
217 pair<string, string> fa = Filter::ffmpeg_strings (Config::instance()->reference_filters());
218 s << "ab_" << Config::instance()->reference_scaler()->id() << "_" << fa.first << "_" << fa.second;
222 return dir (p.string());
225 /** Add suitable Jobs to the JobManager to create a DCP for this Film.
226 * @param true to transcode, false to use the WAV and J2K files that are already there.
229 Film::make_dcp (bool transcode)
231 set_dci_date_today ();
233 if (dcp_name().find ("/") != string::npos) {
234 throw BadSettingError ("name", "cannot contain slashes");
237 log()->log (String::compose ("DVD-o-matic %1 git %2 using %3", dvdomatic_version, dvdomatic_git_commit, dependency_version_summary()));
241 gethostname (buffer, sizeof (buffer));
242 log()->log (String::compose ("Starting to make DCP on %1", buffer));
246 throw MissingSettingError ("format");
249 if (content().empty ()) {
250 throw MissingSettingError ("content");
253 if (dcp_content_type() == 0) {
254 throw MissingSettingError ("content type");
257 if (name().empty()) {
258 throw MissingSettingError ("name");
261 shared_ptr<Options> o (new Options (j2k_dir(), ".j2c", dir ("wavs")));
262 o->out_size = format()->dcp_size ();
263 o->padding = format()->dcp_padding (shared_from_this ());
264 o->ratio = format()->ratio_as_float (shared_from_this ());
266 o->video_decode_range = make_pair (dcp_trim_start(), dcp_trim_start() + dcp_length().get());
267 if (audio_stream()) {
268 o->audio_decode_range = make_pair (
269 video_frames_to_audio_frames (o->video_decode_range.get().first, audio_stream()->sample_rate(), frames_per_second()),
270 video_frames_to_audio_frames (o->video_decode_range.get().second, audio_stream()->sample_rate(), frames_per_second())
275 o->decode_subtitles = with_subtitles ();
276 o->decode_video_skip = dcp_frame_rate (frames_per_second()).skip;
282 r = JobManager::instance()->add (shared_ptr<Job> (new ABTranscodeJob (shared_from_this(), o, shared_ptr<Job> ())));
284 r = JobManager::instance()->add (shared_ptr<Job> (new TranscodeJob (shared_from_this(), o, shared_ptr<Job> ())));
288 r = JobManager::instance()->add (shared_ptr<Job> (new CheckHashesJob (shared_from_this(), o, r)));
289 JobManager::instance()->add (shared_ptr<Job> (new MakeDCPJob (shared_from_this(), o, r)));
292 /** Start a job to examine our content file */
294 Film::examine_content ()
296 if (_examine_content_job) {
300 _examine_content_job.reset (new ExamineContentJob (shared_from_this(), shared_ptr<Job> ()));
301 _examine_content_job->Finished.connect (bind (&Film::examine_content_finished, this));
302 JobManager::instance()->add (_examine_content_job);
306 Film::examine_content_finished ()
308 _examine_content_job.reset ();
311 /** @return full paths to any audio files that this Film has */
313 Film::audio_files () const
316 for (boost::filesystem::directory_iterator i = boost::filesystem::directory_iterator (dir("wavs")); i != boost::filesystem::directory_iterator(); ++i) {
317 f.push_back (i->path().string ());
323 /** Start a job to send our DCP to the configured TMS */
325 Film::send_dcp_to_tms ()
327 shared_ptr<Job> j (new SCPDCPJob (shared_from_this(), shared_ptr<Job> ()));
328 JobManager::instance()->add (j);
331 /** Count the number of frames that have been encoded for this film.
332 * @return frame count.
335 Film::encoded_frames () const
342 for (boost::filesystem::directory_iterator i = boost::filesystem::directory_iterator (j2k_dir ()); i != boost::filesystem::directory_iterator(); ++i) {
344 boost::this_thread::interruption_point ();
350 /** Write state to our `metadata' file */
352 Film::write_metadata () const
354 boost::mutex::scoped_lock lm (_state_mutex);
356 boost::filesystem::create_directories (directory());
358 string const m = file ("metadata");
359 ofstream f (m.c_str ());
361 throw CreateFileError (m);
364 f << "version " << state_version << "\n";
367 f << "name " << _name << "\n";
368 f << "use_dci_name " << _use_dci_name << "\n";
369 f << "content " << _content << "\n";
370 if (_dcp_content_type) {
371 f << "dcp_content_type " << _dcp_content_type->pretty_name () << "\n";
374 f << "format " << _format->as_metadata () << "\n";
376 f << "left_crop " << _crop.left << "\n";
377 f << "right_crop " << _crop.right << "\n";
378 f << "top_crop " << _crop.top << "\n";
379 f << "bottom_crop " << _crop.bottom << "\n";
380 for (vector<Filter const *>::const_iterator i = _filters.begin(); i != _filters.end(); ++i) {
381 f << "filter " << (*i)->id () << "\n";
383 f << "scaler " << _scaler->id () << "\n";
384 f << "dcp_trim_start " << _dcp_trim_start << "\n";
385 f << "dcp_trim_end " << _dcp_trim_end << "\n";
386 f << "dcp_ab " << (_dcp_ab ? "1" : "0") << "\n";
387 if (_content_audio_stream) {
388 f << "selected_content_audio_stream " << _content_audio_stream->to_string() << "\n";
390 for (vector<string>::const_iterator i = _external_audio.begin(); i != _external_audio.end(); ++i) {
391 f << "external_audio " << *i << "\n";
393 f << "use_content_audio " << (_use_content_audio ? "1" : "0") << "\n";
394 f << "audio_gain " << _audio_gain << "\n";
395 f << "audio_delay " << _audio_delay << "\n";
396 f << "still_duration " << _still_duration << "\n";
397 if (_subtitle_stream) {
398 f << "selected_subtitle_stream " << _subtitle_stream->to_string() << "\n";
400 f << "with_subtitles " << _with_subtitles << "\n";
401 f << "subtitle_offset " << _subtitle_offset << "\n";
402 f << "subtitle_scale " << _subtitle_scale << "\n";
403 f << "audio_language " << _audio_language << "\n";
404 f << "subtitle_language " << _subtitle_language << "\n";
405 f << "territory " << _territory << "\n";
406 f << "rating " << _rating << "\n";
407 f << "studio " << _studio << "\n";
408 f << "facility " << _facility << "\n";
409 f << "package_type " << _package_type << "\n";
411 f << "width " << _size.width << "\n";
412 f << "height " << _size.height << "\n";
413 f << "length " << _length.get_value_or(0) << "\n";
414 f << "content_digest " << _content_digest << "\n";
416 for (vector<shared_ptr<AudioStream> >::const_iterator i = _content_audio_streams.begin(); i != _content_audio_streams.end(); ++i) {
417 f << "content_audio_stream " << (*i)->to_string () << "\n";
420 f << "external_audio_stream " << _external_audio_stream->to_string() << "\n";
422 for (vector<shared_ptr<SubtitleStream> >::const_iterator i = _subtitle_streams.begin(); i != _subtitle_streams.end(); ++i) {
423 f << "subtitle_stream " << (*i)->to_string () << "\n";
426 f << "frames_per_second " << _frames_per_second << "\n";
431 /** Read state from our metadata file */
433 Film::read_metadata ()
435 boost::mutex::scoped_lock lm (_state_mutex);
437 _external_audio.clear ();
438 _content_audio_streams.clear ();
439 _subtitle_streams.clear ();
441 boost::optional<int> version;
443 /* Backward compatibility things */
444 boost::optional<int> audio_sample_rate;
445 boost::optional<int> audio_stream_index;
446 boost::optional<int> subtitle_stream_index;
448 ifstream f (file ("metadata").c_str());
449 multimap<string, string> kv = read_key_value (f);
451 /* We need version before anything else */
452 multimap<string, string>::iterator v = kv.find ("version");
453 if (v != kv.end ()) {
454 version = atoi (v->second.c_str());
457 for (multimap<string, string>::const_iterator i = kv.begin(); i != kv.end(); ++i) {
458 string const k = i->first;
459 string const v = i->second;
461 if (k == "audio_sample_rate") {
462 audio_sample_rate = atoi (v.c_str());
465 /* User-specified stuff */
468 } else if (k == "use_dci_name") {
469 _use_dci_name = (v == "1");
470 } else if (k == "content") {
472 } else if (k == "dcp_content_type") {
473 _dcp_content_type = DCPContentType::from_pretty_name (v);
474 } else if (k == "format") {
475 _format = Format::from_metadata (v);
476 } else if (k == "left_crop") {
477 _crop.left = atoi (v.c_str ());
478 } else if (k == "right_crop") {
479 _crop.right = atoi (v.c_str ());
480 } else if (k == "top_crop") {
481 _crop.top = atoi (v.c_str ());
482 } else if (k == "bottom_crop") {
483 _crop.bottom = atoi (v.c_str ());
484 } else if (k == "filter") {
485 _filters.push_back (Filter::from_id (v));
486 } else if (k == "scaler") {
487 _scaler = Scaler::from_id (v);
488 } else if (k == "dcp_trim_start") {
489 _dcp_trim_start = atoi (v.c_str ());
490 } else if (k == "dcp_trim_end") {
491 _dcp_trim_end = atoi (v.c_str ());
492 } else if (k == "dcp_ab") {
493 _dcp_ab = (v == "1");
494 } else if (k == "selected_content_audio_stream" || (!version && k == "selected_audio_stream")) {
496 audio_stream_index = atoi (v.c_str ());
498 _content_audio_stream = audio_stream_factory (v, version);
500 } else if (k == "external_audio") {
501 _external_audio.push_back (v);
502 } else if (k == "use_content_audio") {
503 _use_content_audio = (v == "1");
504 } else if (k == "audio_gain") {
505 _audio_gain = atof (v.c_str ());
506 } else if (k == "audio_delay") {
507 _audio_delay = atoi (v.c_str ());
508 } else if (k == "still_duration") {
509 _still_duration = atoi (v.c_str ());
510 } else if (k == "selected_subtitle_stream") {
512 subtitle_stream_index = atoi (v.c_str ());
514 _subtitle_stream = subtitle_stream_factory (v, version);
516 } else if (k == "with_subtitles") {
517 _with_subtitles = (v == "1");
518 } else if (k == "subtitle_offset") {
519 _subtitle_offset = atoi (v.c_str ());
520 } else if (k == "subtitle_scale") {
521 _subtitle_scale = atof (v.c_str ());
522 } else if (k == "audio_language") {
524 } else if (k == "subtitle_language") {
525 _subtitle_language = v;
526 } else if (k == "territory") {
528 } else if (k == "rating") {
530 } else if (k == "studio") {
532 } else if (k == "facility") {
534 } else if (k == "package_type") {
540 _size.width = atoi (v.c_str ());
541 } else if (k == "height") {
542 _size.height = atoi (v.c_str ());
543 } else if (k == "length") {
544 int const vv = atoi (v.c_str ());
548 } else if (k == "content_digest") {
550 } else if (k == "content_audio_stream" || (!version && k == "audio_stream")) {
551 _content_audio_streams.push_back (audio_stream_factory (v, version));
552 } else if (k == "external_audio_stream") {
553 _external_audio_stream = audio_stream_factory (v, version);
554 } else if (k == "subtitle_stream") {
555 _subtitle_streams.push_back (subtitle_stream_factory (v, version));
556 } else if (k == "frames_per_second") {
557 _frames_per_second = atof (v.c_str ());
562 if (audio_sample_rate) {
563 /* version < 1 didn't specify sample rate in the audio streams, so fill it in here */
564 for (vector<shared_ptr<AudioStream> >::iterator i = _content_audio_streams.begin(); i != _content_audio_streams.end(); ++i) {
565 (*i)->set_sample_rate (audio_sample_rate.get());
569 /* also the selected stream was specified as an index */
570 if (audio_stream_index && audio_stream_index.get() >= 0 && audio_stream_index.get() < (int) _content_audio_streams.size()) {
571 _content_audio_stream = _content_audio_streams[audio_stream_index.get()];
574 /* similarly the subtitle */
575 if (subtitle_stream_index && subtitle_stream_index.get() >= 0 && subtitle_stream_index.get() < (int) _subtitle_streams.size()) {
576 _subtitle_stream = _subtitle_streams[subtitle_stream_index.get()];
584 Film::cropped_size (Size s) const
586 boost::mutex::scoped_lock lm (_state_mutex);
587 s.width -= _crop.left + _crop.right;
588 s.height -= _crop.top + _crop.bottom;
592 /** Given a directory name, return its full path within the Film's directory.
593 * The directory (and its parents) will be created if they do not exist.
596 Film::dir (string d) const
598 boost::mutex::scoped_lock lm (_directory_mutex);
599 boost::filesystem::path p;
602 boost::filesystem::create_directories (p);
606 /** Given a file or directory name, return its full path within the Film's directory.
607 * _directory_mutex must not be locked on entry.
610 Film::file (string f) const
612 boost::mutex::scoped_lock lm (_directory_mutex);
613 boost::filesystem::path p;
619 /** @return full path of the content (actual video) file
623 Film::content_path () const
625 boost::mutex::scoped_lock lm (_state_mutex);
626 if (boost::filesystem::path(_content).has_root_directory ()) {
630 return file (_content);
634 Film::content_type () const
636 if (boost::filesystem::is_directory (_content)) {
637 /* Directory of images, we assume */
641 if (still_image_file (_content)) {
648 /** @return The sampling rate that we will resample the audio to */
650 Film::target_audio_sample_rate () const
652 if (!audio_stream()) {
656 /* Resample to a DCI-approved sample rate */
657 double t = dcp_audio_sample_rate (audio_stream()->sample_rate());
659 DCPFrameRate dfr = dcp_frame_rate (frames_per_second ());
661 /* Compensate for the fact that video will be rounded to the
662 nearest integer number of frames per second.
665 t *= _frames_per_second * dfr.skip / dfr.frames_per_second;
671 boost::optional<SourceFrame>
672 Film::dcp_length () const
675 return boost::optional<SourceFrame> ();
678 return length().get() - dcp_trim_start() - dcp_trim_end();
681 /** @return a DCI-compliant name for a DCP of this film */
683 Film::dci_name () const
687 string fixed_name = to_upper_copy (name());
688 for (size_t i = 0; i < fixed_name.length(); ++i) {
689 if (fixed_name[i] == ' ') {
694 /* Spec is that the name part should be maximum 14 characters, as I understand it */
695 if (fixed_name.length() > 14) {
696 fixed_name = fixed_name.substr (0, 14);
699 d << fixed_name << "_";
701 if (dcp_content_type()) {
702 d << dcp_content_type()->dci_name() << "_";
706 d << format()->dci_name() << "_";
709 if (!audio_language().empty ()) {
710 d << audio_language();
711 if (!subtitle_language().empty() && with_subtitles()) {
712 d << "-" << subtitle_language();
720 if (!territory().empty ()) {
722 if (!rating().empty ()) {
723 d << "-" << rating();
728 switch (audio_channels()) {
745 if (!studio().empty ()) {
746 d << studio() << "_";
749 d << boost::gregorian::to_iso_string (_dci_date) << "_";
751 if (!facility().empty ()) {
752 d << facility() << "_";
755 if (!package_type().empty ()) {
762 /** @return name to give the DCP */
764 Film::dcp_name () const
766 if (use_dci_name()) {
775 Film::set_directory (string d)
777 boost::mutex::scoped_lock lm (_state_mutex);
783 Film::set_name (string n)
786 boost::mutex::scoped_lock lm (_state_mutex);
789 signal_changed (NAME);
793 Film::set_use_dci_name (bool u)
796 boost::mutex::scoped_lock lm (_state_mutex);
799 signal_changed (USE_DCI_NAME);
803 Film::set_content (string c)
805 string check = directory ();
807 #if BOOST_FILESYSTEM_VERSION == 3
808 boost::filesystem::path slash ("/");
809 string platform_slash = slash.make_preferred().string ();
811 #ifdef DVDOMATIC_WINDOWS
812 string platform_slash = "\\";
814 string platform_slash = "/";
818 if (!ends_with (check, platform_slash)) {
819 check += platform_slash;
822 if (boost::filesystem::path(c).has_root_directory () && starts_with (c, check)) {
823 c = c.substr (_directory.length() + 1);
829 boost::mutex::scoped_lock lm (_state_mutex);
834 old_content = _content;
838 /* Reset streams here in case the new content doesn't have one or the other */
839 _content_audio_stream = shared_ptr<AudioStream> ();
840 _subtitle_stream = shared_ptr<SubtitleStream> ();
842 /* Create a temporary decoder so that we can get information
847 shared_ptr<Options> o (new Options ("", "", ""));
848 o->out_size = Size (1024, 1024);
850 Decoders d = decoder_factory (shared_from_this(), o, 0);
852 set_size (d.video->native_size ());
853 set_frames_per_second (d.video->frames_per_second ());
854 set_subtitle_streams (d.video->subtitle_streams ());
855 set_content_audio_streams (d.audio->audio_streams ());
857 /* Start off with the first audio and subtitle streams */
858 if (!d.audio->audio_streams().empty()) {
859 set_content_audio_stream (d.audio->audio_streams().front());
862 if (!d.video->subtitle_streams().empty()) {
863 set_subtitle_stream (d.video->subtitle_streams().front());
867 boost::mutex::scoped_lock lm (_state_mutex);
871 signal_changed (CONTENT);
873 set_content_digest (md5_digest (content_path ()));
879 boost::mutex::scoped_lock lm (_state_mutex);
880 _content = old_content;
887 Film::set_dcp_content_type (DCPContentType const * t)
890 boost::mutex::scoped_lock lm (_state_mutex);
891 _dcp_content_type = t;
893 signal_changed (DCP_CONTENT_TYPE);
897 Film::set_format (Format const * f)
900 boost::mutex::scoped_lock lm (_state_mutex);
903 signal_changed (FORMAT);
907 Film::set_crop (Crop c)
910 boost::mutex::scoped_lock lm (_state_mutex);
913 signal_changed (CROP);
917 Film::set_left_crop (int c)
920 boost::mutex::scoped_lock lm (_state_mutex);
922 if (_crop.left == c) {
928 signal_changed (CROP);
932 Film::set_right_crop (int c)
935 boost::mutex::scoped_lock lm (_state_mutex);
936 if (_crop.right == c) {
942 signal_changed (CROP);
946 Film::set_top_crop (int c)
949 boost::mutex::scoped_lock lm (_state_mutex);
950 if (_crop.top == c) {
956 signal_changed (CROP);
960 Film::set_bottom_crop (int c)
963 boost::mutex::scoped_lock lm (_state_mutex);
964 if (_crop.bottom == c) {
970 signal_changed (CROP);
974 Film::set_filters (vector<Filter const *> f)
977 boost::mutex::scoped_lock lm (_state_mutex);
980 signal_changed (FILTERS);
984 Film::set_scaler (Scaler const * s)
987 boost::mutex::scoped_lock lm (_state_mutex);
990 signal_changed (SCALER);
994 Film::set_dcp_trim_start (int t)
997 boost::mutex::scoped_lock lm (_state_mutex);
1000 signal_changed (DCP_TRIM_START);
1004 Film::set_dcp_trim_end (int t)
1007 boost::mutex::scoped_lock lm (_state_mutex);
1010 signal_changed (DCP_TRIM_END);
1014 Film::set_dcp_ab (bool a)
1017 boost::mutex::scoped_lock lm (_state_mutex);
1020 signal_changed (DCP_AB);
1024 Film::set_content_audio_stream (shared_ptr<AudioStream> s)
1027 boost::mutex::scoped_lock lm (_state_mutex);
1028 _content_audio_stream = s;
1030 signal_changed (CONTENT_AUDIO_STREAM);
1034 Film::set_external_audio (vector<string> a)
1037 boost::mutex::scoped_lock lm (_state_mutex);
1038 _external_audio = a;
1041 shared_ptr<Options> o (new Options ("", "", ""));
1042 o->decode_audio = true;
1043 shared_ptr<ExternalAudioDecoder> decoder (new ExternalAudioDecoder (shared_from_this(), o, 0));
1044 if (decoder->audio_stream()) {
1045 _external_audio_stream = decoder->audio_stream ();
1048 signal_changed (EXTERNAL_AUDIO);
1052 Film::set_use_content_audio (bool e)
1055 boost::mutex::scoped_lock lm (_state_mutex);
1056 _use_content_audio = e;
1059 signal_changed (USE_CONTENT_AUDIO);
1063 Film::set_audio_gain (float g)
1066 boost::mutex::scoped_lock lm (_state_mutex);
1069 signal_changed (AUDIO_GAIN);
1073 Film::set_audio_delay (int d)
1076 boost::mutex::scoped_lock lm (_state_mutex);
1079 signal_changed (AUDIO_DELAY);
1083 Film::set_still_duration (int d)
1086 boost::mutex::scoped_lock lm (_state_mutex);
1087 _still_duration = d;
1089 signal_changed (STILL_DURATION);
1093 Film::set_subtitle_stream (shared_ptr<SubtitleStream> s)
1096 boost::mutex::scoped_lock lm (_state_mutex);
1097 _subtitle_stream = s;
1099 signal_changed (SUBTITLE_STREAM);
1103 Film::set_with_subtitles (bool w)
1106 boost::mutex::scoped_lock lm (_state_mutex);
1107 _with_subtitles = w;
1109 signal_changed (WITH_SUBTITLES);
1113 Film::set_subtitle_offset (int o)
1116 boost::mutex::scoped_lock lm (_state_mutex);
1117 _subtitle_offset = o;
1119 signal_changed (SUBTITLE_OFFSET);
1123 Film::set_subtitle_scale (float s)
1126 boost::mutex::scoped_lock lm (_state_mutex);
1127 _subtitle_scale = s;
1129 signal_changed (SUBTITLE_SCALE);
1133 Film::set_audio_language (string l)
1136 boost::mutex::scoped_lock lm (_state_mutex);
1137 _audio_language = l;
1139 signal_changed (DCI_METADATA);
1143 Film::set_subtitle_language (string l)
1146 boost::mutex::scoped_lock lm (_state_mutex);
1147 _subtitle_language = l;
1149 signal_changed (DCI_METADATA);
1153 Film::set_territory (string t)
1156 boost::mutex::scoped_lock lm (_state_mutex);
1159 signal_changed (DCI_METADATA);
1163 Film::set_rating (string r)
1166 boost::mutex::scoped_lock lm (_state_mutex);
1169 signal_changed (DCI_METADATA);
1173 Film::set_studio (string s)
1176 boost::mutex::scoped_lock lm (_state_mutex);
1179 signal_changed (DCI_METADATA);
1183 Film::set_facility (string f)
1186 boost::mutex::scoped_lock lm (_state_mutex);
1189 signal_changed (DCI_METADATA);
1193 Film::set_package_type (string p)
1196 boost::mutex::scoped_lock lm (_state_mutex);
1199 signal_changed (DCI_METADATA);
1203 Film::set_size (Size s)
1206 boost::mutex::scoped_lock lm (_state_mutex);
1209 signal_changed (SIZE);
1213 Film::set_length (SourceFrame l)
1216 boost::mutex::scoped_lock lm (_state_mutex);
1219 signal_changed (LENGTH);
1223 Film::unset_length ()
1226 boost::mutex::scoped_lock lm (_state_mutex);
1227 _length = boost::none;
1229 signal_changed (LENGTH);
1233 Film::set_content_digest (string d)
1236 boost::mutex::scoped_lock lm (_state_mutex);
1237 _content_digest = d;
1243 Film::set_content_audio_streams (vector<shared_ptr<AudioStream> > s)
1246 boost::mutex::scoped_lock lm (_state_mutex);
1247 _content_audio_streams = s;
1249 signal_changed (CONTENT_AUDIO_STREAMS);
1253 Film::set_subtitle_streams (vector<shared_ptr<SubtitleStream> > s)
1256 boost::mutex::scoped_lock lm (_state_mutex);
1257 _subtitle_streams = s;
1259 signal_changed (SUBTITLE_STREAMS);
1263 Film::set_frames_per_second (float f)
1266 boost::mutex::scoped_lock lm (_state_mutex);
1267 _frames_per_second = f;
1269 signal_changed (FRAMES_PER_SECOND);
1273 Film::signal_changed (Property p)
1276 boost::mutex::scoped_lock lm (_state_mutex);
1281 ui_signaller->emit (boost::bind (boost::ref (Changed), p));
1286 Film::audio_channels () const
1288 shared_ptr<AudioStream> s = audio_stream ();
1293 return s->channels ();
1297 Film::set_dci_date_today ()
1299 _dci_date = boost::gregorian::day_clock::local_day ();
1302 boost::shared_ptr<AudioStream>
1303 Film::audio_stream () const
1305 if (use_content_audio()) {
1306 return _content_audio_stream;
1309 return _external_audio_stream;