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.
27 #include <boost/filesystem.hpp>
28 #include <boost/algorithm/string.hpp>
31 #include "tiff_encoder.h"
34 #include "transcoder.h"
36 #include "job_manager.h"
37 #include "ab_transcode_job.h"
38 #include "transcode_job.h"
39 #include "scp_dcp_job.h"
40 #include "copy_from_dvd_job.h"
41 #include "make_dcp_job.h"
42 #include "film_state.h"
45 #include "exceptions.h"
46 #include "examine_content_job.h"
48 #include "decoder_factory.h"
52 using namespace boost;
54 /** Construct a Film object in a given directory, reading any metadata
55 * file that exists in that directory. An exception will be thrown if
56 * must_exist is true, and the specified directory does not exist.
58 * @param d Film directory.
59 * @param must_exist true to throw an exception if does not exist.
62 Film::Film (string d, bool must_exist)
65 /* Make _state.directory a complete path without ..s (where possible)
66 (Code swiped from Adam Bowen on stackoverflow)
69 filesystem::path p (filesystem::system_complete (d));
70 filesystem::path result;
71 for(filesystem::path::iterator i = p.begin(); i != p.end(); ++i) {
73 if (filesystem::is_symlink (result) || result.filename() == "..") {
76 result = result.parent_path ();
78 } else if (*i != ".") {
83 _state.directory = result.string ();
85 if (must_exist && !filesystem::exists (_state.directory)) {
86 throw OpenFileError (_state.directory);
91 _log = new Log (_state.file ("log"));
94 /** Copy constructor */
95 Film::Film (Film const & other)
96 : _state (other._state)
97 , _dirty (other._dirty)
107 /** Read the `metadata' file inside this Film's directory, and fill the
108 * object's data with its content.
112 Film::read_metadata ()
114 ifstream f (metadata_file().c_str ());
116 while (getline (f, line)) {
121 if (line[0] == '#') {
125 size_t const s = line.find (' ');
126 if (s == string::npos) {
130 _state.read_metadata (line.substr (0, s), line.substr (s + 1));
136 /** Write our state to a file `metadata' inside the Film's directory */
138 Film::write_metadata () const
140 filesystem::create_directories (_state.directory);
142 ofstream f (metadata_file().c_str ());
144 throw CreateFileError (metadata_file ());
147 _state.write_metadata (f);
152 /** Set the name by which DVD-o-matic refers to this Film */
154 Film::set_name (string n)
157 signal_changed (NAME);
160 /** Set the content file for this film.
161 * @param c New content file; if specified as an absolute path, the content should
162 * be within the film's _state.directory; if specified as a relative path, the content
163 * will be assumed to be within the film's _state.directory.
166 Film::set_content (string c)
168 if (filesystem::path(c).has_root_directory () && starts_with (c, _state.directory)) {
169 c = c.substr (_state.directory.length() + 1);
172 if (c == _state.content) {
176 /* Create a temporary decoder so that we can get information
179 shared_ptr<FilmState> s = state_copy ();
181 shared_ptr<Options> o (new Options ("", "", ""));
182 o->out_size = Size (1024, 1024);
184 shared_ptr<Decoder> d = decoder_factory (s, o, 0, _log);
186 _state.size = d->native_size ();
187 _state.length = d->length_in_frames ();
188 _state.frames_per_second = d->frames_per_second ();
189 _state.audio_channels = d->audio_channels ();
190 _state.audio_sample_rate = d->audio_sample_rate ();
191 _state.audio_sample_format = d->audio_sample_format ();
195 signal_changed (SIZE);
196 signal_changed (LENGTH);
197 signal_changed (FRAMES_PER_SECOND);
198 signal_changed (AUDIO_CHANNELS);
199 signal_changed (AUDIO_SAMPLE_RATE);
200 signal_changed (CONTENT);
203 /** Set the format that this Film should be shown in */
205 Film::set_format (Format const * f)
208 signal_changed (FORMAT);
211 /** Set the type to specify the DCP as having
212 * (feature, trailer etc.)
215 Film::set_dcp_content_type (DCPContentType const * t)
217 _state.dcp_content_type = t;
218 signal_changed (DCP_CONTENT_TYPE);
221 /** Set the number of pixels by which to crop the left of the source video */
223 Film::set_left_crop (int c)
225 if (c == _state.left_crop) {
229 _state.left_crop = c;
230 signal_changed (LEFT_CROP);
233 /** Set the number of pixels by which to crop the right of the source video */
235 Film::set_right_crop (int c)
237 if (c == _state.right_crop) {
241 _state.right_crop = c;
242 signal_changed (RIGHT_CROP);
245 /** Set the number of pixels by which to crop the top of the source video */
247 Film::set_top_crop (int c)
249 if (c == _state.top_crop) {
254 signal_changed (TOP_CROP);
257 /** Set the number of pixels by which to crop the bottom of the source video */
259 Film::set_bottom_crop (int c)
261 if (c == _state.bottom_crop) {
265 _state.bottom_crop = c;
266 signal_changed (BOTTOM_CROP);
269 /** Set the filters to apply to the image when generating thumbnails
273 Film::set_filters (vector<Filter const *> const & f)
276 signal_changed (FILTERS);
279 /** Set the number of frames to put in any generated DCP (from
280 * the start of the film). 0 indicates that all frames should
284 Film::set_dcp_frames (int n)
286 _state.dcp_frames = n;
287 signal_changed (DCP_FRAMES);
291 Film::set_dcp_trim_action (TrimAction a)
293 _state.dcp_trim_action = a;
294 signal_changed (DCP_TRIM_ACTION);
297 /** Set whether or not to generate a A/B comparison DCP.
298 * Such a DCP has the left half of its frame as the Film
299 * content without any filtering or post-processing; the
300 * right half is rendered with filters and post-processing.
303 Film::set_dcp_ab (bool a)
306 signal_changed (DCP_AB);
310 Film::set_audio_gain (float g)
312 _state.audio_gain = g;
313 signal_changed (AUDIO_GAIN);
317 Film::set_audio_delay (int d)
319 _state.audio_delay = d;
320 signal_changed (AUDIO_DELAY);
323 /** @return path of metadata file */
325 Film::metadata_file () const
327 return _state.file ("metadata");
330 /** @return full path of the content (actual video) file
334 Film::content () const
336 return _state.content_path ();
339 /** The pre-processing GUI part of a thumbs update.
340 * Must be called from the GUI thread.
343 Film::update_thumbs_pre_gui ()
345 _state.thumbs.clear ();
346 filesystem::remove_all (_state.dir ("thumbs"));
348 /* This call will recreate the directory */
349 _state.dir ("thumbs");
352 /** The post-processing GUI part of a thumbs update.
353 * Must be called from the GUI thread.
356 Film::update_thumbs_post_gui ()
358 string const tdir = _state.dir ("thumbs");
360 for (filesystem::directory_iterator i = filesystem::directory_iterator (tdir); i != filesystem::directory_iterator(); ++i) {
362 /* Aah, the sweet smell of progress */
363 #if BOOST_FILESYSTEM_VERSION == 3
364 string const l = filesystem::path(*i).leaf().generic_string();
366 string const l = i->leaf ();
369 size_t const d = l.find (".tiff");
370 if (d != string::npos) {
371 _state.thumbs.push_back (atoi (l.substr (0, d).c_str()));
375 sort (_state.thumbs.begin(), _state.thumbs.end());
378 signal_changed (THUMBS);
381 /** @return the number of thumbnail images that we have */
383 Film::num_thumbs () const
385 return _state.thumbs.size ();
388 /** @param n A thumb index.
389 * @return The frame within the Film that it is for.
392 Film::thumb_frame (int n) const
394 return _state.thumb_frame (n);
397 /** @param n A thumb index.
398 * @return The path to the thumb's image file.
401 Film::thumb_file (int n) const
403 return _state.thumb_file (n);
406 /** @return The path to the directory to write JPEG2000 files to */
408 Film::j2k_dir () const
417 pair<string, string> f = Filter::ffmpeg_strings (filters ());
419 /* Write stuff to specify the filter / post-processing settings that are in use,
420 so that we don't get confused about J2K files generated using different
423 s << _state.format->nickname()
424 << "_" << _state.content
425 << "_" << left_crop() << "_" << right_crop() << "_" << top_crop() << "_" << bottom_crop()
426 << "_" << f.first << "_" << f.second
427 << "_" << _state.scaler->id();
429 /* Similarly for the A/B case */
431 pair<string, string> fa = Filter::ffmpeg_strings (Config::instance()->reference_filters());
432 s << "/ab_" << Config::instance()->reference_scaler()->id() << "_" << fa.first << "_" << fa.second;
435 return _state.dir (s.str ());
438 /** Handle a change to the Film's metadata */
440 Film::signal_changed (Property p)
446 /** Add suitable Jobs to the JobManager to create a DCP for this Film.
447 * @param true to transcode, false to use the WAV and J2K files that are already there.
450 Film::make_dcp (bool transcode, int freq)
452 string const t = name ();
453 if (t.find ("/") != string::npos) {
454 throw BadSettingError ("name", "cannot contain slashes");
459 s << "DVD-o-matic " << DVDOMATIC_VERSION << " using " << dependency_version_summary ();
460 log()->log (s.str ());
465 gethostname (buffer, sizeof (buffer));
467 s << "Starting to make a DCP on " << buffer;
468 log()->log (s.str ());
472 throw MissingSettingError ("format");
475 if (content().empty ()) {
476 throw MissingSettingError ("content");
479 if (dcp_content_type() == 0) {
480 throw MissingSettingError ("content type");
483 if (name().empty()) {
484 throw MissingSettingError ("name");
487 shared_ptr<const FilmState> fs = state_copy ();
488 shared_ptr<Options> o (new Options (j2k_dir(), ".j2c", _state.dir ("wavs")));
489 o->out_size = format()->dcp_size ();
490 if (dcp_frames() == 0) {
491 /* Decode the whole film, no blacking */
495 switch (dcp_trim_action()) {
497 /* Decode only part of the film, no blacking */
498 o->num_frames = dcp_frames ();
502 /* Decode the whole film, but black some frames out */
504 o->black_after = dcp_frames ();
508 o->decode_video_frequency = freq;
509 o->padding = format()->dcp_padding ();
510 o->ratio = format()->ratio_as_float ();
514 JobManager::instance()->add (shared_ptr<Job> (new ABTranscodeJob (fs, o, log ())));
516 JobManager::instance()->add (shared_ptr<Job> (new TranscodeJob (fs, o, log ())));
520 JobManager::instance()->add (shared_ptr<Job> (new MakeDCPJob (fs, o, log ())));
523 shared_ptr<FilmState>
524 Film::state_copy () const
526 return shared_ptr<FilmState> (new FilmState (_state));
530 Film::copy_from_dvd_post_gui ()
532 const string dvd_dir = _state.dir ("dvd");
535 uintmax_t largest_size = 0;
536 for (filesystem::directory_iterator i = filesystem::directory_iterator (dvd_dir); i != filesystem::directory_iterator(); ++i) {
537 uintmax_t const s = filesystem::file_size (*i);
538 if (s > largest_size) {
540 #if BOOST_FILESYSTEM_VERSION == 3
541 largest_file = filesystem::path(*i).generic_string();
543 largest_file = i->string ();
549 set_content (largest_file);
553 Film::examine_content ()
555 if (_examine_content_job) {
559 _examine_content_job.reset (new ExamineContentJob (state_copy (), log ()));
560 _examine_content_job->Finished.connect (sigc::mem_fun (*this, &Film::examine_content_post_gui));
561 JobManager::instance()->add (_examine_content_job);
565 Film::examine_content_post_gui ()
567 _state.length = _examine_content_job->last_video_frame ();
568 signal_changed (LENGTH);
570 _examine_content_job.reset ();
574 Film::set_scaler (Scaler const * s)
577 signal_changed (SCALER);
581 Film::set_frames_per_second (float f)
583 _state.frames_per_second = f;
584 signal_changed (FRAMES_PER_SECOND);
587 /** @return full paths to any audio files that this Film has */
589 Film::audio_files () const
592 for (filesystem::directory_iterator i = filesystem::directory_iterator (_state.dir("wavs")); i != filesystem::directory_iterator(); ++i) {
593 f.push_back (i->path().string ());
600 Film::content_type () const
602 return _state.content_type ();
606 Film::set_still_duration (int d)
608 _state.still_duration = d;
609 signal_changed (STILL_DURATION);
613 Film::send_dcp_to_tms ()
615 shared_ptr<Job> j (new SCPDCPJob (state_copy (), log ()));
616 JobManager::instance()->add (j);
620 Film::copy_from_dvd ()
622 shared_ptr<Job> j (new CopyFromDVDJob (state_copy (), log ()));
623 j->Finished.connect (sigc::mem_fun (*this, &Film::copy_from_dvd_post_gui));
624 JobManager::instance()->add (j);