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>
29 #ifdef DVDOMATIC_WINDOWS
34 #include "tiff_encoder.h"
37 #include "transcoder.h"
39 #include "job_manager.h"
40 #include "ab_transcode_job.h"
41 #include "transcode_job.h"
42 #include "scp_dcp_job.h"
43 #include "copy_from_dvd_job.h"
44 #include "make_dcp_job.h"
45 #include "film_state.h"
48 #include "exceptions.h"
49 #include "examine_content_job.h"
51 #include "decoder_factory.h"
55 using namespace boost;
57 /** Construct a Film object in a given directory, reading any metadata
58 * file that exists in that directory. An exception will be thrown if
59 * must_exist is true, and the specified directory does not exist.
61 * @param d Film directory.
62 * @param must_exist true to throw an exception if does not exist.
65 Film::Film (string d, bool must_exist)
68 /* Make _state.directory a complete path without ..s (where possible)
69 (Code swiped from Adam Bowen on stackoverflow)
72 filesystem::path p (filesystem::system_complete (d));
73 filesystem::path result;
74 for(filesystem::path::iterator i = p.begin(); i != p.end(); ++i) {
76 if (filesystem::is_symlink (result) || result.filename() == "..") {
79 result = result.parent_path ();
81 } else if (*i != ".") {
86 _state.directory = result.string ();
88 if (must_exist && !filesystem::exists (_state.directory)) {
89 throw OpenFileError (_state.directory);
94 _log = new Log (_state.file ("log"));
97 /** Copy constructor */
98 Film::Film (Film const & other)
99 : _state (other._state)
100 , _dirty (other._dirty)
110 /** Read the `metadata' file inside this Film's directory, and fill the
111 * object's data with its content.
115 Film::read_metadata ()
117 ifstream f (metadata_file().c_str ());
119 while (getline (f, line)) {
124 if (line[0] == '#') {
128 size_t const s = line.find (' ');
129 if (s == string::npos) {
133 _state.read_metadata (line.substr (0, s), line.substr (s + 1));
139 /** Write our state to a file `metadata' inside the Film's directory */
141 Film::write_metadata () const
143 filesystem::create_directories (_state.directory);
145 ofstream f (metadata_file().c_str ());
147 throw CreateFileError (metadata_file ());
150 _state.write_metadata (f);
155 /** Set the name by which DVD-o-matic refers to this Film */
157 Film::set_name (string n)
160 signal_changed (NAME);
163 /** Set the content file for this film.
164 * @param c New content file; if specified as an absolute path, the content should
165 * be within the film's _state.directory; if specified as a relative path, the content
166 * will be assumed to be within the film's _state.directory.
169 Film::set_content (string c)
171 if (filesystem::path(c).has_root_directory () && starts_with (c, _state.directory)) {
172 c = c.substr (_state.directory.length() + 1);
175 if (c == _state.content) {
179 /* Create a temporary decoder so that we can get information
182 shared_ptr<FilmState> s = state_copy ();
184 shared_ptr<Options> o (new Options ("", "", ""));
185 o->out_size = Size (1024, 1024);
187 shared_ptr<Decoder> d = decoder_factory (s, o, 0, _log);
189 _state.size = d->native_size ();
190 _state.length = d->length_in_frames ();
191 _state.frames_per_second = d->frames_per_second ();
192 _state.audio_channels = d->audio_channels ();
193 _state.audio_sample_rate = d->audio_sample_rate ();
194 _state.audio_sample_format = d->audio_sample_format ();
198 signal_changed (SIZE);
199 signal_changed (LENGTH);
200 signal_changed (FRAMES_PER_SECOND);
201 signal_changed (AUDIO_CHANNELS);
202 signal_changed (AUDIO_SAMPLE_RATE);
203 signal_changed (CONTENT);
206 /** Set the format that this Film should be shown in */
208 Film::set_format (Format const * f)
211 signal_changed (FORMAT);
214 /** Set the type to specify the DCP as having
215 * (feature, trailer etc.)
218 Film::set_dcp_content_type (DCPContentType const * t)
220 _state.dcp_content_type = t;
221 signal_changed (DCP_CONTENT_TYPE);
224 /** Set the number of pixels by which to crop the left of the source video */
226 Film::set_left_crop (int c)
228 if (c == _state.left_crop) {
232 _state.left_crop = c;
233 signal_changed (LEFT_CROP);
236 /** Set the number of pixels by which to crop the right of the source video */
238 Film::set_right_crop (int c)
240 if (c == _state.right_crop) {
244 _state.right_crop = c;
245 signal_changed (RIGHT_CROP);
248 /** Set the number of pixels by which to crop the top of the source video */
250 Film::set_top_crop (int c)
252 if (c == _state.top_crop) {
257 signal_changed (TOP_CROP);
260 /** Set the number of pixels by which to crop the bottom of the source video */
262 Film::set_bottom_crop (int c)
264 if (c == _state.bottom_crop) {
268 _state.bottom_crop = c;
269 signal_changed (BOTTOM_CROP);
272 /** Set the filters to apply to the image when generating thumbnails
276 Film::set_filters (vector<Filter const *> const & f)
279 signal_changed (FILTERS);
282 /** Set the number of frames to put in any generated DCP (from
283 * the start of the film). 0 indicates that all frames should
287 Film::set_dcp_frames (int n)
289 _state.dcp_frames = n;
290 signal_changed (DCP_FRAMES);
294 Film::set_dcp_trim_action (TrimAction a)
296 _state.dcp_trim_action = a;
297 signal_changed (DCP_TRIM_ACTION);
300 /** Set whether or not to generate a A/B comparison DCP.
301 * Such a DCP has the left half of its frame as the Film
302 * content without any filtering or post-processing; the
303 * right half is rendered with filters and post-processing.
306 Film::set_dcp_ab (bool a)
309 signal_changed (DCP_AB);
313 Film::set_audio_gain (float g)
315 _state.audio_gain = g;
316 signal_changed (AUDIO_GAIN);
320 Film::set_audio_delay (int d)
322 _state.audio_delay = d;
323 signal_changed (AUDIO_DELAY);
326 /** @return path of metadata file */
328 Film::metadata_file () const
330 return _state.file ("metadata");
333 /** @return full path of the content (actual video) file
337 Film::content () const
339 return _state.content_path ();
342 /** The pre-processing GUI part of a thumbs update.
343 * Must be called from the GUI thread.
346 Film::update_thumbs_pre_gui ()
348 _state.thumbs.clear ();
349 filesystem::remove_all (_state.dir ("thumbs"));
351 /* This call will recreate the directory */
352 _state.dir ("thumbs");
355 /** The post-processing GUI part of a thumbs update.
356 * Must be called from the GUI thread.
359 Film::update_thumbs_post_gui ()
361 string const tdir = _state.dir ("thumbs");
363 for (filesystem::directory_iterator i = filesystem::directory_iterator (tdir); i != filesystem::directory_iterator(); ++i) {
365 /* Aah, the sweet smell of progress */
366 #if BOOST_FILESYSTEM_VERSION == 3
367 string const l = filesystem::path(*i).leaf().generic_string();
369 string const l = i->leaf ();
372 size_t const d = l.find (".tiff");
373 if (d != string::npos) {
374 _state.thumbs.push_back (atoi (l.substr (0, d).c_str()));
378 sort (_state.thumbs.begin(), _state.thumbs.end());
381 signal_changed (THUMBS);
384 /** @return the number of thumbnail images that we have */
386 Film::num_thumbs () const
388 return _state.thumbs.size ();
391 /** @param n A thumb index.
392 * @return The frame within the Film that it is for.
395 Film::thumb_frame (int n) const
397 return _state.thumb_frame (n);
400 /** @param n A thumb index.
401 * @return The path to the thumb's image file.
404 Film::thumb_file (int n) const
406 return _state.thumb_file (n);
409 /** @return The path to the directory to write JPEG2000 files to */
411 Film::j2k_dir () const
420 pair<string, string> f = Filter::ffmpeg_strings (filters ());
422 /* Write stuff to specify the filter / post-processing settings that are in use,
423 so that we don't get confused about J2K files generated using different
426 s << _state.format->nickname()
427 << "_" << _state.content
428 << "_" << left_crop() << "_" << right_crop() << "_" << top_crop() << "_" << bottom_crop()
429 << "_" << f.first << "_" << f.second
430 << "_" << _state.scaler->id();
432 /* Similarly for the A/B case */
434 pair<string, string> fa = Filter::ffmpeg_strings (Config::instance()->reference_filters());
435 s << "/ab_" << Config::instance()->reference_scaler()->id() << "_" << fa.first << "_" << fa.second;
438 return _state.dir (s.str ());
441 /** Handle a change to the Film's metadata */
443 Film::signal_changed (Property p)
449 /** Add suitable Jobs to the JobManager to create a DCP for this Film.
450 * @param true to transcode, false to use the WAV and J2K files that are already there.
453 Film::make_dcp (bool transcode, int freq)
455 string const t = name ();
456 if (t.find ("/") != string::npos) {
457 throw BadSettingError ("name", "cannot contain slashes");
462 s << "DVD-o-matic " << DVDOMATIC_VERSION << " using " << dependency_version_summary ();
463 log()->log (s.str ());
468 gethostname (buffer, sizeof (buffer));
470 s << "Starting to make a DCP on " << buffer;
471 log()->log (s.str ());
475 throw MissingSettingError ("format");
478 if (content().empty ()) {
479 throw MissingSettingError ("content");
482 if (dcp_content_type() == 0) {
483 throw MissingSettingError ("content type");
486 if (name().empty()) {
487 throw MissingSettingError ("name");
490 shared_ptr<const FilmState> fs = state_copy ();
491 shared_ptr<Options> o (new Options (j2k_dir(), ".j2c", _state.dir ("wavs")));
492 o->out_size = format()->dcp_size ();
493 if (dcp_frames() == 0) {
494 /* Decode the whole film, no blacking */
498 switch (dcp_trim_action()) {
500 /* Decode only part of the film, no blacking */
501 o->num_frames = dcp_frames ();
505 /* Decode the whole film, but black some frames out */
507 o->black_after = dcp_frames ();
511 o->decode_video_frequency = freq;
512 o->padding = format()->dcp_padding ();
513 o->ratio = format()->ratio_as_float ();
517 JobManager::instance()->add (shared_ptr<Job> (new ABTranscodeJob (fs, o, log ())));
519 JobManager::instance()->add (shared_ptr<Job> (new TranscodeJob (fs, o, log ())));
523 JobManager::instance()->add (shared_ptr<Job> (new MakeDCPJob (fs, o, log ())));
526 shared_ptr<FilmState>
527 Film::state_copy () const
529 return shared_ptr<FilmState> (new FilmState (_state));
533 Film::copy_from_dvd_post_gui ()
535 const string dvd_dir = _state.dir ("dvd");
538 uintmax_t largest_size = 0;
539 for (filesystem::directory_iterator i = filesystem::directory_iterator (dvd_dir); i != filesystem::directory_iterator(); ++i) {
540 uintmax_t const s = filesystem::file_size (*i);
541 if (s > largest_size) {
543 #if BOOST_FILESYSTEM_VERSION == 3
544 largest_file = filesystem::path(*i).generic_string();
546 largest_file = i->string ();
552 set_content (largest_file);
556 Film::examine_content ()
558 if (_examine_content_job) {
562 _examine_content_job.reset (new ExamineContentJob (state_copy (), log ()));
563 _examine_content_job->Finished.connect (sigc::mem_fun (*this, &Film::examine_content_post_gui));
564 JobManager::instance()->add (_examine_content_job);
568 Film::examine_content_post_gui ()
570 _state.length = _examine_content_job->last_video_frame ();
571 signal_changed (LENGTH);
573 _examine_content_job.reset ();
577 Film::set_scaler (Scaler const * s)
580 signal_changed (SCALER);
584 Film::set_frames_per_second (float f)
586 _state.frames_per_second = f;
587 signal_changed (FRAMES_PER_SECOND);
590 /** @return full paths to any audio files that this Film has */
592 Film::audio_files () const
595 for (filesystem::directory_iterator i = filesystem::directory_iterator (_state.dir("wavs")); i != filesystem::directory_iterator(); ++i) {
596 f.push_back (i->path().string ());
603 Film::content_type () const
605 return _state.content_type ();
609 Film::set_still_duration (int d)
611 _state.still_duration = d;
612 signal_changed (STILL_DURATION);
616 Film::send_dcp_to_tms ()
618 shared_ptr<Job> j (new SCPDCPJob (state_copy (), log ()));
619 JobManager::instance()->add (j);
623 Film::copy_from_dvd ()
625 shared_ptr<Job> j (new CopyFromDVDJob (state_copy (), log ()));
626 j->Finished.connect (sigc::mem_fun (*this, &Film::copy_from_dvd_post_gui));
627 JobManager::instance()->add (j);