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>
32 #include "tiff_encoder.h"
35 #include "transcoder.h"
37 #include "job_manager.h"
38 #include "ab_transcode_job.h"
39 #include "transcode_job.h"
40 #include "scp_dcp_job.h"
41 #include "copy_from_dvd_job.h"
42 #include "make_dcp_job.h"
43 #include "film_state.h"
46 #include "exceptions.h"
47 #include "examine_content_job.h"
49 #include "decoder_factory.h"
51 #include "check_hashes_job.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 (!filesystem::exists (_state.directory)) {
90 throw OpenFileError (_state.directory);
92 filesystem::create_directory (_state.directory);
98 _log = new FileLog (_state.file ("log"));
101 /** Copy constructor */
102 Film::Film (Film const & other)
103 : _state (other._state)
104 , _dirty (other._dirty)
114 /** Read the `metadata' file inside this Film's directory, and fill the
115 * object's data with its content.
119 Film::read_metadata ()
121 ifstream f (metadata_file().c_str ());
123 while (getline (f, line)) {
128 if (line[0] == '#') {
132 if (line[line.size() - 1] == '\r') {
133 line = line.substr (0, line.size() - 1);
136 size_t const s = line.find (' ');
137 if (s == string::npos) {
141 _state.read_metadata (line.substr (0, s), line.substr (s + 1));
147 /** Write our state to a file `metadata' inside the Film's directory */
149 Film::write_metadata () const
151 filesystem::create_directories (_state.directory);
153 ofstream f (metadata_file().c_str ());
155 throw CreateFileError (metadata_file ());
158 _state.write_metadata (f);
163 /** Set the name by which DVD-o-matic refers to this Film */
165 Film::set_name (string n)
168 signal_changed (NAME);
171 /** Set the content file for this film.
172 * @param c New content file; if specified as an absolute path, the content should
173 * be within the film's _state.directory; if specified as a relative path, the content
174 * will be assumed to be within the film's _state.directory.
177 Film::set_content (string c)
179 string check = _state.directory;
181 #if BOOST_FILESYSTEM_VERSION == 3
182 filesystem::path slash ("/");
183 string platform_slash = slash.make_preferred().string ();
185 #ifdef DVDOMATIC_WINDOWS
186 string platform_slash = "\\";
188 string platform_slash = "/";
192 if (!ends_with (check, platform_slash)) {
193 check += platform_slash;
196 if (filesystem::path(c).has_root_directory () && starts_with (c, check)) {
197 c = c.substr (_state.directory.length() + 1);
200 if (c == _state.content) {
204 /* Create a temporary decoder so that we can get information
207 shared_ptr<FilmState> s = state_copy ();
209 shared_ptr<Options> o (new Options ("", "", ""));
210 o->out_size = Size (1024, 1024);
212 shared_ptr<Decoder> d = decoder_factory (s, o, 0, _log);
214 _state.size = d->native_size ();
215 _state.length = d->length_in_frames ();
216 _state.frames_per_second = d->frames_per_second ();
217 _state.audio_channels = d->audio_channels ();
218 _state.audio_sample_rate = d->audio_sample_rate ();
219 _state.audio_sample_format = d->audio_sample_format ();
220 _state.has_subtitles = d->has_subtitles ();
222 _state.content_digest = md5_digest (s->content_path ());
225 signal_changed (SIZE);
226 signal_changed (LENGTH);
227 signal_changed (FRAMES_PER_SECOND);
228 signal_changed (AUDIO_CHANNELS);
229 signal_changed (AUDIO_SAMPLE_RATE);
230 signal_changed (CONTENT);
233 /** Set the format that this Film should be shown in */
235 Film::set_format (Format const * f)
238 signal_changed (FORMAT);
241 /** Set the type to specify the DCP as having
242 * (feature, trailer etc.)
245 Film::set_dcp_content_type (DCPContentType const * t)
247 _state.dcp_content_type = t;
248 signal_changed (DCP_CONTENT_TYPE);
251 /** Set the number of pixels by which to crop the left of the source video */
253 Film::set_left_crop (int c)
255 if (c == _state.crop.left) {
259 _state.crop.left = c;
260 signal_changed (CROP);
263 /** Set the number of pixels by which to crop the right of the source video */
265 Film::set_right_crop (int c)
267 if (c == _state.crop.right) {
271 _state.crop.right = c;
272 signal_changed (CROP);
275 /** Set the number of pixels by which to crop the top of the source video */
277 Film::set_top_crop (int c)
279 if (c == _state.crop.top) {
284 signal_changed (CROP);
287 /** Set the number of pixels by which to crop the bottom of the source video */
289 Film::set_bottom_crop (int c)
291 if (c == _state.crop.bottom) {
295 _state.crop.bottom = c;
296 signal_changed (CROP);
299 /** Set the filters to apply to the image when generating thumbnails
303 Film::set_filters (vector<Filter const *> const & f)
306 signal_changed (FILTERS);
309 /** Set the number of frames to put in any generated DCP (from
310 * the start of the film). 0 indicates that all frames should
314 Film::set_dcp_frames (int n)
316 _state.dcp_frames = n;
317 signal_changed (DCP_FRAMES);
321 Film::set_dcp_trim_action (TrimAction a)
323 _state.dcp_trim_action = a;
324 signal_changed (DCP_TRIM_ACTION);
327 /** Set whether or not to generate a A/B comparison DCP.
328 * Such a DCP has the left half of its frame as the Film
329 * content without any filtering or post-processing; the
330 * right half is rendered with filters and post-processing.
333 Film::set_dcp_ab (bool a)
336 signal_changed (DCP_AB);
340 Film::set_audio_gain (float g)
342 _state.audio_gain = g;
343 signal_changed (AUDIO_GAIN);
347 Film::set_audio_delay (int d)
349 _state.audio_delay = d;
350 signal_changed (AUDIO_DELAY);
353 /** @return path of metadata file */
355 Film::metadata_file () const
357 return _state.file ("metadata");
360 /** @return full path of the content (actual video) file
364 Film::content () const
366 return _state.content_path ();
369 /** The pre-processing GUI part of a thumbs update.
370 * Must be called from the GUI thread.
373 Film::update_thumbs_pre_gui ()
375 _state.thumbs.clear ();
376 filesystem::remove_all (_state.dir ("thumbs"));
378 /* This call will recreate the directory */
379 _state.dir ("thumbs");
382 /** The post-processing GUI part of a thumbs update.
383 * Must be called from the GUI thread.
386 Film::update_thumbs_post_gui ()
388 string const tdir = _state.dir ("thumbs");
390 for (filesystem::directory_iterator i = filesystem::directory_iterator (tdir); i != filesystem::directory_iterator(); ++i) {
392 /* Aah, the sweet smell of progress */
393 #if BOOST_FILESYSTEM_VERSION == 3
394 string const l = filesystem::path(*i).leaf().generic_string();
396 string const l = i->leaf ();
399 size_t const d = l.find (".tiff");
400 if (d != string::npos) {
401 _state.thumbs.push_back (atoi (l.substr (0, d).c_str()));
405 sort (_state.thumbs.begin(), _state.thumbs.end());
408 signal_changed (THUMBS);
411 /** @return the number of thumbnail images that we have */
413 Film::num_thumbs () const
415 return _state.thumbs.size ();
418 /** @param n A thumb index.
419 * @return The frame within the Film that it is for.
422 Film::thumb_frame (int n) const
424 return _state.thumb_frame (n);
427 /** @param n A thumb index.
428 * @return The path to the thumb's image file.
431 Film::thumb_file (int n) const
433 return _state.thumb_file (n);
436 /** @return The path to the directory to write JPEG2000 files to */
438 Film::j2k_dir () const
447 pair<string, string> f = Filter::ffmpeg_strings (filters ());
449 /* Write stuff to specify the filter / post-processing settings that are in use,
450 so that we don't get confused about J2K files generated using different
454 s << _state.format->id()
455 << "_" << _state.content_digest
456 << "_" << crop().left << "_" << crop().right << "_" << crop().top << "_" << crop().bottom
457 << "_" << f.first << "_" << f.second
458 << "_" << _state.scaler->id();
462 /* Similarly for the A/B case */
465 pair<string, string> fa = Filter::ffmpeg_strings (Config::instance()->reference_filters());
466 s << "ab_" << Config::instance()->reference_scaler()->id() << "_" << fa.first << "_" << fa.second;
470 return _state.dir (p.string ());
473 /** Handle a change to the Film's metadata */
475 Film::signal_changed (Property p)
481 /** Add suitable Jobs to the JobManager to create a DCP for this Film.
482 * @param true to transcode, false to use the WAV and J2K files that are already there.
485 Film::make_dcp (bool transcode, int freq)
487 string const t = name ();
488 if (t.find ("/") != string::npos) {
489 throw BadSettingError ("name", "cannot contain slashes");
492 log()->log (String::compose ("DVD-o-matic %1 git %2 using %3", dvdomatic_version, dvdomatic_git_commit, dependency_version_summary()));
496 gethostname (buffer, sizeof (buffer));
497 log()->log (String::compose ("Starting to make DCP on %1", buffer));
501 throw MissingSettingError ("format");
504 if (content().empty ()) {
505 throw MissingSettingError ("content");
508 if (dcp_content_type() == 0) {
509 throw MissingSettingError ("content type");
512 if (name().empty()) {
513 throw MissingSettingError ("name");
516 shared_ptr<const FilmState> fs = state_copy ();
517 shared_ptr<Options> o (new Options (j2k_dir(), ".j2c", _state.dir ("wavs")));
518 o->out_size = format()->dcp_size ();
519 if (dcp_frames() == 0) {
520 /* Decode the whole film, no blacking */
523 switch (dcp_trim_action()) {
525 /* Decode only part of the film, no blacking */
529 /* Decode the whole film, but black some frames out */
530 o->black_after = dcp_frames ();
534 o->decode_video_frequency = freq;
535 o->padding = format()->dcp_padding (this);
536 o->ratio = format()->ratio_as_float (this);
540 JobManager::instance()->add (shared_ptr<Job> (new ABTranscodeJob (fs, o, log ())));
542 JobManager::instance()->add (shared_ptr<Job> (new TranscodeJob (fs, o, log ())));
546 JobManager::instance()->add (shared_ptr<Job> (new CheckHashesJob (fs, o, log ())));
547 JobManager::instance()->add (shared_ptr<Job> (new MakeDCPJob (fs, o, log ())));
550 shared_ptr<FilmState>
551 Film::state_copy () const
553 return shared_ptr<FilmState> (new FilmState (_state));
557 Film::copy_from_dvd_post_gui ()
559 const string dvd_dir = _state.dir ("dvd");
562 uintmax_t largest_size = 0;
563 for (filesystem::directory_iterator i = filesystem::directory_iterator (dvd_dir); i != filesystem::directory_iterator(); ++i) {
564 uintmax_t const s = filesystem::file_size (*i);
565 if (s > largest_size) {
567 #if BOOST_FILESYSTEM_VERSION == 3
568 largest_file = filesystem::path(*i).generic_string();
570 largest_file = i->string ();
576 set_content (largest_file);
580 Film::examine_content ()
582 if (_examine_content_job) {
586 _examine_content_job.reset (new ExamineContentJob (state_copy (), log ()));
587 _examine_content_job->Finished.connect (sigc::mem_fun (*this, &Film::examine_content_post_gui));
588 JobManager::instance()->add (_examine_content_job);
592 Film::examine_content_post_gui ()
594 _state.length = _examine_content_job->last_video_frame ();
595 signal_changed (LENGTH);
597 _examine_content_job.reset ();
601 Film::set_scaler (Scaler const * s)
604 signal_changed (SCALER);
607 /** @return full paths to any audio files that this Film has */
609 Film::audio_files () const
612 for (filesystem::directory_iterator i = filesystem::directory_iterator (_state.dir("wavs")); i != filesystem::directory_iterator(); ++i) {
613 f.push_back (i->path().string ());
620 Film::content_type () const
622 return _state.content_type ();
626 Film::set_still_duration (int d)
628 _state.still_duration = d;
629 signal_changed (STILL_DURATION);
633 Film::send_dcp_to_tms ()
635 shared_ptr<Job> j (new SCPDCPJob (state_copy (), log ()));
636 JobManager::instance()->add (j);
640 Film::copy_from_dvd ()
642 shared_ptr<Job> j (new CopyFromDVDJob (state_copy (), log ()));
643 j->Finished.connect (sigc::mem_fun (*this, &Film::copy_from_dvd_post_gui));
644 JobManager::instance()->add (j);
648 Film::encoded_frames () const
655 for (filesystem::directory_iterator i = filesystem::directory_iterator (j2k_dir ()); i != filesystem::directory_iterator(); ++i) {
657 this_thread::interruption_point ();
664 Film::set_with_subtitles (bool w)
666 _state.with_subtitles = w;
667 signal_changed (WITH_SUBTITLES);