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>
33 #include "imagemagick_encoder.h"
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 "copy_from_dvd_job.h"
43 #include "make_dcp_job.h"
44 #include "film_state.h"
47 #include "exceptions.h"
48 #include "examine_content_job.h"
50 #include "decoder_factory.h"
52 #include "check_hashes_job.h"
56 using namespace boost;
58 /** Construct a Film object in a given directory, reading any metadata
59 * file that exists in that directory. An exception will be thrown if
60 * must_exist is true, and the specified directory does not exist.
62 * @param d Film directory.
63 * @param must_exist true to throw an exception if does not exist.
66 Film::Film (string d, bool must_exist)
69 /* Make _state.directory a complete path without ..s (where possible)
70 (Code swiped from Adam Bowen on stackoverflow)
73 filesystem::path p (filesystem::system_complete (d));
74 filesystem::path result;
75 for (filesystem::path::iterator i = p.begin(); i != p.end(); ++i) {
77 if (filesystem::is_symlink (result) || result.filename() == "..") {
80 result = result.parent_path ();
82 } else if (*i != ".") {
87 _state.directory = result.string ();
89 if (!filesystem::exists (_state.directory)) {
91 throw OpenFileError (_state.directory);
93 filesystem::create_directory (_state.directory);
99 _log = new FileLog (_state.file ("log"));
102 /** Copy constructor */
103 Film::Film (Film const & other)
104 : _state (other._state)
105 , _dirty (other._dirty)
115 /** Read the `metadata' file inside this Film's directory, and fill the
116 * object's data with its content.
120 Film::read_metadata ()
122 ifstream f (metadata_file().c_str ());
123 multimap<string, string> kv = read_key_value (f);
124 for (multimap<string, string>::const_iterator i = kv.begin(); i != kv.end(); ++i) {
125 _state.read_metadata (i->first, i->second);
130 /** Write our state to a file `metadata' inside the Film's directory */
132 Film::write_metadata () const
134 filesystem::create_directories (_state.directory);
136 ofstream f (metadata_file().c_str ());
138 throw CreateFileError (metadata_file ());
141 _state.write_metadata (f);
146 /** Set the name by which DVD-o-matic refers to this Film */
148 Film::set_name (string n)
151 signal_changed (NAME);
154 /** Set the content file for this film.
155 * @param c New content file; if specified as an absolute path, the content should
156 * be within the film's _state.directory; if specified as a relative path, the content
157 * will be assumed to be within the film's _state.directory.
160 Film::set_content (string c)
162 string check = _state.directory;
164 #if BOOST_FILESYSTEM_VERSION == 3
165 filesystem::path slash ("/");
166 string platform_slash = slash.make_preferred().string ();
168 #ifdef DVDOMATIC_WINDOWS
169 string platform_slash = "\\";
171 string platform_slash = "/";
175 if (!ends_with (check, platform_slash)) {
176 check += platform_slash;
179 if (filesystem::path(c).has_root_directory () && starts_with (c, check)) {
180 c = c.substr (_state.directory.length() + 1);
183 if (c == _state.content) {
187 /* Create a temporary decoder so that we can get information
190 shared_ptr<FilmState> s = state_copy ();
192 shared_ptr<Options> o (new Options ("", "", ""));
193 o->out_size = Size (1024, 1024);
195 shared_ptr<Decoder> d = decoder_factory (s, o, 0, _log);
197 _state.size = d->native_size ();
198 _state.length = d->length_in_frames ();
199 _state.frames_per_second = d->frames_per_second ();
200 _state.audio_channels = d->audio_channels ();
201 _state.audio_sample_rate = d->audio_sample_rate ();
202 _state.audio_sample_format = d->audio_sample_format ();
203 _state.has_subtitles = d->has_subtitles ();
205 _state.content_digest = md5_digest (s->content_path ());
208 signal_changed (SIZE);
209 signal_changed (LENGTH);
210 signal_changed (FRAMES_PER_SECOND);
211 signal_changed (AUDIO_CHANNELS);
212 signal_changed (AUDIO_SAMPLE_RATE);
213 signal_changed (CONTENT);
216 /** Set the format that this Film should be shown in */
218 Film::set_format (Format const * f)
221 signal_changed (FORMAT);
224 /** Set the type to specify the DCP as having
225 * (feature, trailer etc.)
228 Film::set_dcp_content_type (DCPContentType const * t)
230 _state.dcp_content_type = t;
231 signal_changed (DCP_CONTENT_TYPE);
234 /** Set the number of pixels by which to crop the left of the source video */
236 Film::set_left_crop (int c)
238 if (c == _state.crop.left) {
242 _state.crop.left = c;
243 signal_changed (CROP);
246 /** Set the number of pixels by which to crop the right of the source video */
248 Film::set_right_crop (int c)
250 if (c == _state.crop.right) {
254 _state.crop.right = c;
255 signal_changed (CROP);
258 /** Set the number of pixels by which to crop the top of the source video */
260 Film::set_top_crop (int c)
262 if (c == _state.crop.top) {
267 signal_changed (CROP);
270 /** Set the number of pixels by which to crop the bottom of the source video */
272 Film::set_bottom_crop (int c)
274 if (c == _state.crop.bottom) {
278 _state.crop.bottom = c;
279 signal_changed (CROP);
282 /** Set the filters to apply to the image when generating thumbnails
286 Film::set_filters (vector<Filter const *> const & f)
289 signal_changed (FILTERS);
292 /** Set the number of frames to put in any generated DCP (from
293 * the start of the film). 0 indicates that all frames should
297 Film::set_dcp_frames (int n)
299 _state.dcp_frames = n;
300 signal_changed (DCP_FRAMES);
304 Film::set_dcp_trim_action (TrimAction a)
306 _state.dcp_trim_action = a;
307 signal_changed (DCP_TRIM_ACTION);
310 /** Set whether or not to generate a A/B comparison DCP.
311 * Such a DCP has the left half of its frame as the Film
312 * content without any filtering or post-processing; the
313 * right half is rendered with filters and post-processing.
316 Film::set_dcp_ab (bool a)
319 signal_changed (DCP_AB);
323 Film::set_audio_gain (float g)
325 _state.audio_gain = g;
326 signal_changed (AUDIO_GAIN);
330 Film::set_audio_delay (int d)
332 _state.audio_delay = d;
333 signal_changed (AUDIO_DELAY);
336 /** @return path of metadata file */
338 Film::metadata_file () const
340 return _state.file ("metadata");
343 /** @return full path of the content (actual video) file
347 Film::content () const
349 return _state.content_path ();
352 /** The pre-processing GUI part of a thumbs update.
353 * Must be called from the GUI thread.
356 Film::update_thumbs_pre_gui ()
358 _state.thumbs.clear ();
359 filesystem::remove_all (_state.dir ("thumbs"));
361 /* This call will recreate the directory */
362 _state.dir ("thumbs");
365 /** The post-processing GUI part of a thumbs update.
366 * Must be called from the GUI thread.
369 Film::update_thumbs_post_gui ()
371 string const tdir = _state.dir ("thumbs");
373 for (filesystem::directory_iterator i = filesystem::directory_iterator (tdir); i != filesystem::directory_iterator(); ++i) {
375 /* Aah, the sweet smell of progress */
376 #if BOOST_FILESYSTEM_VERSION == 3
377 string const l = filesystem::path(*i).leaf().generic_string();
379 string const l = i->leaf ();
382 size_t const d = l.find (".png");
383 if (d != string::npos) {
384 _state.thumbs.push_back (atoi (l.substr (0, d).c_str()));
388 sort (_state.thumbs.begin(), _state.thumbs.end());
391 signal_changed (THUMBS);
394 /** @return the number of thumbnail images that we have */
396 Film::num_thumbs () const
398 return _state.thumbs.size ();
401 /** @param n A thumb index.
402 * @return The frame within the Film that it is for.
405 Film::thumb_frame (int n) const
407 return _state.thumb_frame (n);
410 /** @param n A thumb index.
411 * @return The path to the thumb's image file.
414 Film::thumb_file (int n) const
416 return _state.thumb_file (n);
419 /** @return The path to the directory to write JPEG2000 files to */
421 Film::j2k_dir () const
430 pair<string, string> f = Filter::ffmpeg_strings (filters ());
432 /* Write stuff to specify the filter / post-processing settings that are in use,
433 so that we don't get confused about J2K files generated using different
437 s << _state.format->id()
438 << "_" << _state.content_digest
439 << "_" << crop().left << "_" << crop().right << "_" << crop().top << "_" << crop().bottom
440 << "_" << f.first << "_" << f.second
441 << "_" << _state.scaler->id();
445 /* Similarly for the A/B case */
448 pair<string, string> fa = Filter::ffmpeg_strings (Config::instance()->reference_filters());
449 s << "ab_" << Config::instance()->reference_scaler()->id() << "_" << fa.first << "_" << fa.second;
453 return _state.dir (p.string ());
456 /** Handle a change to the Film's metadata */
458 Film::signal_changed (Property p)
464 /** Add suitable Jobs to the JobManager to create a DCP for this Film.
465 * @param true to transcode, false to use the WAV and J2K files that are already there.
468 Film::make_dcp (bool transcode, int freq)
470 if (dcp_name().find ("/") != string::npos) {
471 throw BadSettingError ("name", "cannot contain slashes");
474 log()->log (String::compose ("DVD-o-matic %1 git %2 using %3", dvdomatic_version, dvdomatic_git_commit, dependency_version_summary()));
478 gethostname (buffer, sizeof (buffer));
479 log()->log (String::compose ("Starting to make DCP on %1", buffer));
483 throw MissingSettingError ("format");
486 if (content().empty ()) {
487 throw MissingSettingError ("content");
490 if (dcp_content_type() == 0) {
491 throw MissingSettingError ("content type");
494 if (name().empty()) {
495 throw MissingSettingError ("name");
498 shared_ptr<const FilmState> fs = state_copy ();
499 shared_ptr<Options> o (new Options (j2k_dir(), ".j2c", _state.dir ("wavs")));
500 o->out_size = format()->dcp_size ();
501 if (dcp_frames() == 0) {
502 /* Decode the whole film, no blacking */
505 switch (dcp_trim_action()) {
507 /* Decode only part of the film, no blacking */
511 /* Decode the whole film, but black some frames out */
512 o->black_after = dcp_frames ();
516 o->decode_video_frequency = freq;
517 o->padding = format()->dcp_padding (this);
518 o->ratio = format()->ratio_as_float (this);
519 o->decode_subtitles = with_subtitles ();
525 r = JobManager::instance()->add (shared_ptr<Job> (new ABTranscodeJob (fs, o, log(), shared_ptr<Job> ())));
527 r = JobManager::instance()->add (shared_ptr<Job> (new TranscodeJob (fs, o, log(), shared_ptr<Job> ())));
531 r = JobManager::instance()->add (shared_ptr<Job> (new CheckHashesJob (fs, o, log(), r)));
532 JobManager::instance()->add (shared_ptr<Job> (new MakeDCPJob (fs, o, log(), r)));
535 shared_ptr<FilmState>
536 Film::state_copy () const
538 return shared_ptr<FilmState> (new FilmState (_state));
542 Film::copy_from_dvd_post_gui ()
544 const string dvd_dir = _state.dir ("dvd");
547 uintmax_t largest_size = 0;
548 for (filesystem::directory_iterator i = filesystem::directory_iterator (dvd_dir); i != filesystem::directory_iterator(); ++i) {
549 uintmax_t const s = filesystem::file_size (*i);
550 if (s > largest_size) {
552 #if BOOST_FILESYSTEM_VERSION == 3
553 largest_file = filesystem::path(*i).generic_string();
555 largest_file = i->string ();
561 set_content (largest_file);
565 Film::examine_content ()
567 if (_examine_content_job) {
571 _examine_content_job.reset (new ExamineContentJob (state_copy (), log(), shared_ptr<Job> ()));
572 _examine_content_job->Finished.connect (sigc::mem_fun (*this, &Film::examine_content_post_gui));
573 JobManager::instance()->add (_examine_content_job);
577 Film::examine_content_post_gui ()
579 _state.length = _examine_content_job->last_video_frame ();
580 signal_changed (LENGTH);
582 _examine_content_job.reset ();
586 Film::set_scaler (Scaler const * s)
589 signal_changed (SCALER);
592 /** @return full paths to any audio files that this Film has */
594 Film::audio_files () const
597 for (filesystem::directory_iterator i = filesystem::directory_iterator (_state.dir("wavs")); i != filesystem::directory_iterator(); ++i) {
598 f.push_back (i->path().string ());
605 Film::content_type () const
607 return _state.content_type ();
611 Film::set_still_duration (int d)
613 _state.still_duration = d;
614 signal_changed (STILL_DURATION);
618 Film::send_dcp_to_tms ()
620 shared_ptr<Job> j (new SCPDCPJob (state_copy (), log(), shared_ptr<Job> ()));
621 JobManager::instance()->add (j);
625 Film::copy_from_dvd ()
627 shared_ptr<Job> j (new CopyFromDVDJob (state_copy (), log(), shared_ptr<Job> ()));
628 j->Finished.connect (sigc::mem_fun (*this, &Film::copy_from_dvd_post_gui));
629 JobManager::instance()->add (j);
633 Film::encoded_frames () const
640 for (filesystem::directory_iterator i = filesystem::directory_iterator (j2k_dir ()); i != filesystem::directory_iterator(); ++i) {
642 this_thread::interruption_point ();
649 Film::set_with_subtitles (bool w)
651 _state.with_subtitles = w;
652 signal_changed (WITH_SUBTITLES);
656 Film::set_subtitle_offset (int o)
658 _state.subtitle_offset = o;
659 signal_changed (SUBTITLE_OFFSET);
663 Film::set_subtitle_scale (float s)
665 _state.subtitle_scale = s;
666 signal_changed (SUBTITLE_SCALE);
669 pair<Position, string>
670 Film::thumb_subtitle (int n) const
672 string sub_file = _state.thumb_base(n) + ".sub";
673 if (!filesystem::exists (sub_file)) {
674 return pair<Position, string> ();
677 pair<Position, string> sub;
679 ifstream f (sub_file.c_str ());
680 multimap<string, string> kv = read_key_value (f);
681 for (map<string, string>::const_iterator i = kv.begin(); i != kv.end(); ++i) {
682 if (i->first == "x") {
683 sub.first.x = lexical_cast<int> (i->second);
684 } else if (i->first == "y") {
685 sub.first.y = lexical_cast<int> (i->second);
686 sub.second = String::compose ("%1.sub.png", _state.thumb_base(n));
694 Film::set_audio_language (string v)
696 _state.audio_language = v;
697 signal_changed (DCI_METADATA);
701 Film::set_subtitle_language (string v)
703 _state.subtitle_language = v;
704 signal_changed (DCI_METADATA);
708 Film::set_territory (string v)
710 _state.territory = v;
711 signal_changed (DCI_METADATA);
715 Film::set_rating (string v)
718 signal_changed (DCI_METADATA);
722 Film::set_studio (string v)
725 signal_changed (DCI_METADATA);
729 Film::set_facility (string v)
732 signal_changed (DCI_METADATA);
736 Film::set_package_type (string v)
738 _state.package_type = v;
739 signal_changed (DCI_METADATA);
743 Film::set_use_dci_name (bool v)
745 _state.use_dci_name = v;
746 signal_changed (USE_DCI_NAME);