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 string check = _state.directory;
170 #if BOOST_FILESYSTEM_VERSION == 3
171 filesystem::path slash ("/");
172 string platform_slash = slash.make_preferred().string ();
174 #ifdef DVDOMATIC_WINDOWS
175 string platform_slash = "\\";
177 string platform_slash = "/";
181 if (!ends_with (check, platform_slash)) {
182 check += platform_slash;
185 if (filesystem::path(c).has_root_directory () && starts_with (c, check)) {
186 c = c.substr (_state.directory.length() + 1);
189 if (c == _state.content) {
193 /* Create a temporary decoder so that we can get information
196 shared_ptr<FilmState> s = state_copy ();
198 shared_ptr<Options> o (new Options ("", "", ""));
199 o->out_size = Size (1024, 1024);
201 shared_ptr<Decoder> d = decoder_factory (s, o, 0, _log);
203 _state.size = d->native_size ();
204 _state.length = d->length_in_frames ();
205 _state.frames_per_second = d->frames_per_second ();
206 _state.audio_channels = d->audio_channels ();
207 _state.audio_sample_rate = d->audio_sample_rate ();
208 _state.audio_sample_format = d->audio_sample_format ();
210 _state.content_digest = md5_digest (s->content_path ());
213 signal_changed (SIZE);
214 signal_changed (LENGTH);
215 signal_changed (FRAMES_PER_SECOND);
216 signal_changed (AUDIO_CHANNELS);
217 signal_changed (AUDIO_SAMPLE_RATE);
218 signal_changed (CONTENT);
221 /** Set the format that this Film should be shown in */
223 Film::set_format (Format const * f)
226 signal_changed (FORMAT);
229 /** Set the type to specify the DCP as having
230 * (feature, trailer etc.)
233 Film::set_dcp_content_type (DCPContentType const * t)
235 _state.dcp_content_type = t;
236 signal_changed (DCP_CONTENT_TYPE);
239 /** Set the number of pixels by which to crop the left of the source video */
241 Film::set_left_crop (int c)
243 if (c == _state.crop.left) {
247 _state.crop.left = c;
248 signal_changed (CROP);
251 /** Set the number of pixels by which to crop the right of the source video */
253 Film::set_right_crop (int c)
255 if (c == _state.crop.right) {
259 _state.crop.right = c;
260 signal_changed (CROP);
263 /** Set the number of pixels by which to crop the top of the source video */
265 Film::set_top_crop (int c)
267 if (c == _state.crop.top) {
272 signal_changed (CROP);
275 /** Set the number of pixels by which to crop the bottom of the source video */
277 Film::set_bottom_crop (int c)
279 if (c == _state.crop.bottom) {
283 _state.crop.bottom = c;
284 signal_changed (CROP);
287 /** Set the filters to apply to the image when generating thumbnails
291 Film::set_filters (vector<Filter const *> const & f)
294 signal_changed (FILTERS);
297 /** Set the number of frames to put in any generated DCP (from
298 * the start of the film). 0 indicates that all frames should
302 Film::set_dcp_frames (int n)
304 _state.dcp_frames = n;
305 signal_changed (DCP_FRAMES);
309 Film::set_dcp_trim_action (TrimAction a)
311 _state.dcp_trim_action = a;
312 signal_changed (DCP_TRIM_ACTION);
315 /** Set whether or not to generate a A/B comparison DCP.
316 * Such a DCP has the left half of its frame as the Film
317 * content without any filtering or post-processing; the
318 * right half is rendered with filters and post-processing.
321 Film::set_dcp_ab (bool a)
324 signal_changed (DCP_AB);
328 Film::set_audio_gain (float g)
330 _state.audio_gain = g;
331 signal_changed (AUDIO_GAIN);
335 Film::set_audio_delay (int d)
337 _state.audio_delay = d;
338 signal_changed (AUDIO_DELAY);
341 /** @return path of metadata file */
343 Film::metadata_file () const
345 return _state.file ("metadata");
348 /** @return full path of the content (actual video) file
352 Film::content () const
354 return _state.content_path ();
357 /** The pre-processing GUI part of a thumbs update.
358 * Must be called from the GUI thread.
361 Film::update_thumbs_pre_gui ()
363 _state.thumbs.clear ();
364 filesystem::remove_all (_state.dir ("thumbs"));
366 /* This call will recreate the directory */
367 _state.dir ("thumbs");
370 /** The post-processing GUI part of a thumbs update.
371 * Must be called from the GUI thread.
374 Film::update_thumbs_post_gui ()
376 string const tdir = _state.dir ("thumbs");
378 for (filesystem::directory_iterator i = filesystem::directory_iterator (tdir); i != filesystem::directory_iterator(); ++i) {
380 /* Aah, the sweet smell of progress */
381 #if BOOST_FILESYSTEM_VERSION == 3
382 string const l = filesystem::path(*i).leaf().generic_string();
384 string const l = i->leaf ();
387 size_t const d = l.find (".tiff");
388 if (d != string::npos) {
389 _state.thumbs.push_back (atoi (l.substr (0, d).c_str()));
393 sort (_state.thumbs.begin(), _state.thumbs.end());
396 signal_changed (THUMBS);
399 /** @return the number of thumbnail images that we have */
401 Film::num_thumbs () const
403 return _state.thumbs.size ();
406 /** @param n A thumb index.
407 * @return The frame within the Film that it is for.
410 Film::thumb_frame (int n) const
412 return _state.thumb_frame (n);
415 /** @param n A thumb index.
416 * @return The path to the thumb's image file.
419 Film::thumb_file (int n) const
421 return _state.thumb_file (n);
424 /** @return The path to the directory to write JPEG2000 files to */
426 Film::j2k_dir () const
436 pair<string, string> f = Filter::ffmpeg_strings (filters ());
438 /* Write stuff to specify the filter / post-processing settings that are in use,
439 so that we don't get confused about J2K files generated using different
443 s << _state.format->id()
444 << "_" << _state.content_digest
445 << "_" << crop().left << "_" << crop().right << "_" << crop().top << "_" << crop().bottom
446 << "_" << f.first << "_" << f.second
447 << "_" << _state.scaler->id();
451 /* Similarly for the A/B case */
454 pair<string, string> fa = Filter::ffmpeg_strings (Config::instance()->reference_filters());
455 s << "ab_" << Config::instance()->reference_scaler()->id() << "_" << fa.first << "_" << fa.second;
459 return _state.dir (p.string ());
462 /** Handle a change to the Film's metadata */
464 Film::signal_changed (Property p)
470 /** Add suitable Jobs to the JobManager to create a DCP for this Film.
471 * @param true to transcode, false to use the WAV and J2K files that are already there.
474 Film::make_dcp (bool transcode, int freq)
476 string const t = name ();
477 if (t.find ("/") != string::npos) {
478 throw BadSettingError ("name", "cannot contain slashes");
483 s << "DVD-o-matic " << DVDOMATIC_VERSION << " using " << dependency_version_summary ();
484 log()->log (s.str ());
489 gethostname (buffer, sizeof (buffer));
491 s << "Starting to make a DCP on " << buffer;
492 log()->log (s.str ());
496 throw MissingSettingError ("format");
499 if (content().empty ()) {
500 throw MissingSettingError ("content");
503 if (dcp_content_type() == 0) {
504 throw MissingSettingError ("content type");
507 if (name().empty()) {
508 throw MissingSettingError ("name");
511 shared_ptr<const FilmState> fs = state_copy ();
512 shared_ptr<Options> o (new Options (j2k_dir(), ".j2c", _state.dir ("wavs")));
513 o->out_size = format()->dcp_size ();
514 if (dcp_frames() == 0) {
515 /* Decode the whole film, no blacking */
519 switch (dcp_trim_action()) {
521 /* Decode only part of the film, no blacking */
522 o->num_frames = dcp_frames ();
526 /* Decode the whole film, but black some frames out */
528 o->black_after = dcp_frames ();
532 o->decode_video_frequency = freq;
533 o->padding = format()->dcp_padding ();
534 o->ratio = format()->ratio_as_float ();
538 JobManager::instance()->add (shared_ptr<Job> (new ABTranscodeJob (fs, o, log ())));
540 JobManager::instance()->add (shared_ptr<Job> (new TranscodeJob (fs, o, log ())));
544 JobManager::instance()->add (shared_ptr<Job> (new MakeDCPJob (fs, o, log ())));
547 shared_ptr<FilmState>
548 Film::state_copy () const
550 return shared_ptr<FilmState> (new FilmState (_state));
554 Film::copy_from_dvd_post_gui ()
556 const string dvd_dir = _state.dir ("dvd");
559 uintmax_t largest_size = 0;
560 for (filesystem::directory_iterator i = filesystem::directory_iterator (dvd_dir); i != filesystem::directory_iterator(); ++i) {
561 uintmax_t const s = filesystem::file_size (*i);
562 if (s > largest_size) {
564 #if BOOST_FILESYSTEM_VERSION == 3
565 largest_file = filesystem::path(*i).generic_string();
567 largest_file = i->string ();
573 set_content (largest_file);
577 Film::examine_content ()
579 if (_examine_content_job) {
583 _examine_content_job.reset (new ExamineContentJob (state_copy (), log ()));
584 _examine_content_job->Finished.connect (sigc::mem_fun (*this, &Film::examine_content_post_gui));
585 JobManager::instance()->add (_examine_content_job);
589 Film::examine_content_post_gui ()
591 _state.length = _examine_content_job->last_video_frame ();
592 signal_changed (LENGTH);
594 _examine_content_job.reset ();
598 Film::set_scaler (Scaler const * s)
601 signal_changed (SCALER);
604 /** @return full paths to any audio files that this Film has */
606 Film::audio_files () const
609 for (filesystem::directory_iterator i = filesystem::directory_iterator (_state.dir("wavs")); i != filesystem::directory_iterator(); ++i) {
610 f.push_back (i->path().string ());
617 Film::content_type () const
619 return _state.content_type ();
623 Film::set_still_duration (int d)
625 _state.still_duration = d;
626 signal_changed (STILL_DURATION);
630 Film::send_dcp_to_tms ()
632 shared_ptr<Job> j (new SCPDCPJob (state_copy (), log ()));
633 JobManager::instance()->add (j);
637 Film::copy_from_dvd ()
639 shared_ptr<Job> j (new CopyFromDVDJob (state_copy (), log ()));
640 j->Finished.connect (sigc::mem_fun (*this, &Film::copy_from_dvd_post_gui));
641 JobManager::instance()->add (j);