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"
53 using namespace boost;
55 /** Construct a Film object in a given directory, reading any metadata
56 * file that exists in that directory. An exception will be thrown if
57 * must_exist is true, and the specified directory does not exist.
59 * @param d Film directory.
60 * @param must_exist true to throw an exception if does not exist.
63 Film::Film (string d, bool must_exist)
66 /* Make _state.directory a complete path without ..s (where possible)
67 (Code swiped from Adam Bowen on stackoverflow)
70 filesystem::path p (filesystem::system_complete (d));
71 filesystem::path result;
72 for (filesystem::path::iterator i = p.begin(); i != p.end(); ++i) {
74 if (filesystem::is_symlink (result) || result.filename() == "..") {
77 result = result.parent_path ();
79 } else if (*i != ".") {
84 _state.directory = result.string ();
86 if (must_exist && !filesystem::exists (_state.directory)) {
87 throw OpenFileError (_state.directory);
92 _log = new FileLog (_state.file ("log"));
95 /** Copy constructor */
96 Film::Film (Film const & other)
97 : _state (other._state)
98 , _dirty (other._dirty)
108 /** Read the `metadata' file inside this Film's directory, and fill the
109 * object's data with its content.
113 Film::read_metadata ()
115 ifstream f (metadata_file().c_str ());
117 while (getline (f, line)) {
122 if (line[0] == '#') {
126 if (line[line.size() - 1] == '\r') {
127 line = line.substr (0, line.size() - 1);
130 size_t const s = line.find (' ');
131 if (s == string::npos) {
135 _state.read_metadata (line.substr (0, s), line.substr (s + 1));
141 /** Write our state to a file `metadata' inside the Film's directory */
143 Film::write_metadata () const
145 filesystem::create_directories (_state.directory);
147 ofstream f (metadata_file().c_str ());
149 throw CreateFileError (metadata_file ());
152 _state.write_metadata (f);
157 /** Set the name by which DVD-o-matic refers to this Film */
159 Film::set_name (string n)
162 signal_changed (NAME);
165 /** Set the content file for this film.
166 * @param c New content file; if specified as an absolute path, the content should
167 * be within the film's _state.directory; if specified as a relative path, the content
168 * will be assumed to be within the film's _state.directory.
171 Film::set_content (string c)
173 string check = _state.directory;
175 #if BOOST_FILESYSTEM_VERSION == 3
176 filesystem::path slash ("/");
177 string platform_slash = slash.make_preferred().string ();
179 #ifdef DVDOMATIC_WINDOWS
180 string platform_slash = "\\";
182 string platform_slash = "/";
186 if (!ends_with (check, platform_slash)) {
187 check += platform_slash;
190 if (filesystem::path(c).has_root_directory () && starts_with (c, check)) {
191 c = c.substr (_state.directory.length() + 1);
194 if (c == _state.content) {
198 /* Create a temporary decoder so that we can get information
201 shared_ptr<FilmState> s = state_copy ();
203 shared_ptr<Options> o (new Options ("", "", ""));
204 o->out_size = Size (1024, 1024);
206 shared_ptr<Decoder> d = decoder_factory (s, o, 0, _log);
208 _state.size = d->native_size ();
209 _state.length = d->length_in_frames ();
210 _state.frames_per_second = d->frames_per_second ();
211 _state.audio_channels = d->audio_channels ();
212 _state.audio_sample_rate = d->audio_sample_rate ();
213 _state.audio_sample_format = d->audio_sample_format ();
215 _state.content_digest = md5_digest (s->content_path ());
218 signal_changed (SIZE);
219 signal_changed (LENGTH);
220 signal_changed (FRAMES_PER_SECOND);
221 signal_changed (AUDIO_CHANNELS);
222 signal_changed (AUDIO_SAMPLE_RATE);
223 signal_changed (CONTENT);
226 /** Set the format that this Film should be shown in */
228 Film::set_format (Format const * f)
231 signal_changed (FORMAT);
234 /** Set the type to specify the DCP as having
235 * (feature, trailer etc.)
238 Film::set_dcp_content_type (DCPContentType const * t)
240 _state.dcp_content_type = t;
241 signal_changed (DCP_CONTENT_TYPE);
244 /** Set the number of pixels by which to crop the left of the source video */
246 Film::set_left_crop (int c)
248 if (c == _state.crop.left) {
252 _state.crop.left = c;
253 signal_changed (CROP);
256 /** Set the number of pixels by which to crop the right of the source video */
258 Film::set_right_crop (int c)
260 if (c == _state.crop.right) {
264 _state.crop.right = c;
265 signal_changed (CROP);
268 /** Set the number of pixels by which to crop the top of the source video */
270 Film::set_top_crop (int c)
272 if (c == _state.crop.top) {
277 signal_changed (CROP);
280 /** Set the number of pixels by which to crop the bottom of the source video */
282 Film::set_bottom_crop (int c)
284 if (c == _state.crop.bottom) {
288 _state.crop.bottom = c;
289 signal_changed (CROP);
292 /** Set the filters to apply to the image when generating thumbnails
296 Film::set_filters (vector<Filter const *> const & f)
299 signal_changed (FILTERS);
302 /** Set the number of frames to put in any generated DCP (from
303 * the start of the film). 0 indicates that all frames should
307 Film::set_dcp_frames (int n)
309 _state.dcp_frames = n;
310 signal_changed (DCP_FRAMES);
314 Film::set_dcp_trim_action (TrimAction a)
316 _state.dcp_trim_action = a;
317 signal_changed (DCP_TRIM_ACTION);
320 /** Set whether or not to generate a A/B comparison DCP.
321 * Such a DCP has the left half of its frame as the Film
322 * content without any filtering or post-processing; the
323 * right half is rendered with filters and post-processing.
326 Film::set_dcp_ab (bool a)
329 signal_changed (DCP_AB);
333 Film::set_audio_gain (float g)
335 _state.audio_gain = g;
336 signal_changed (AUDIO_GAIN);
340 Film::set_audio_delay (int d)
342 _state.audio_delay = d;
343 signal_changed (AUDIO_DELAY);
346 /** @return path of metadata file */
348 Film::metadata_file () const
350 return _state.file ("metadata");
353 /** @return full path of the content (actual video) file
357 Film::content () const
359 return _state.content_path ();
362 /** The pre-processing GUI part of a thumbs update.
363 * Must be called from the GUI thread.
366 Film::update_thumbs_pre_gui ()
368 _state.thumbs.clear ();
369 filesystem::remove_all (_state.dir ("thumbs"));
371 /* This call will recreate the directory */
372 _state.dir ("thumbs");
375 /** The post-processing GUI part of a thumbs update.
376 * Must be called from the GUI thread.
379 Film::update_thumbs_post_gui ()
381 string const tdir = _state.dir ("thumbs");
383 for (filesystem::directory_iterator i = filesystem::directory_iterator (tdir); i != filesystem::directory_iterator(); ++i) {
385 /* Aah, the sweet smell of progress */
386 #if BOOST_FILESYSTEM_VERSION == 3
387 string const l = filesystem::path(*i).leaf().generic_string();
389 string const l = i->leaf ();
392 size_t const d = l.find (".tiff");
393 if (d != string::npos) {
394 _state.thumbs.push_back (atoi (l.substr (0, d).c_str()));
398 sort (_state.thumbs.begin(), _state.thumbs.end());
401 signal_changed (THUMBS);
404 /** @return the number of thumbnail images that we have */
406 Film::num_thumbs () const
408 return _state.thumbs.size ();
411 /** @param n A thumb index.
412 * @return The frame within the Film that it is for.
415 Film::thumb_frame (int n) const
417 return _state.thumb_frame (n);
420 /** @param n A thumb index.
421 * @return The path to the thumb's image file.
424 Film::thumb_file (int n) const
426 return _state.thumb_file (n);
429 /** @return The path to the directory to write JPEG2000 files to */
431 Film::j2k_dir () const
440 pair<string, string> f = Filter::ffmpeg_strings (filters ());
442 /* Write stuff to specify the filter / post-processing settings that are in use,
443 so that we don't get confused about J2K files generated using different
447 s << _state.format->id()
448 << "_" << _state.content_digest
449 << "_" << crop().left << "_" << crop().right << "_" << crop().top << "_" << crop().bottom
450 << "_" << f.first << "_" << f.second
451 << "_" << _state.scaler->id();
455 /* Similarly for the A/B case */
458 pair<string, string> fa = Filter::ffmpeg_strings (Config::instance()->reference_filters());
459 s << "ab_" << Config::instance()->reference_scaler()->id() << "_" << fa.first << "_" << fa.second;
463 return _state.dir (p.string ());
466 /** Handle a change to the Film's metadata */
468 Film::signal_changed (Property p)
474 /** Add suitable Jobs to the JobManager to create a DCP for this Film.
475 * @param true to transcode, false to use the WAV and J2K files that are already there.
478 Film::make_dcp (bool transcode, int freq)
480 string const t = name ();
481 if (t.find ("/") != string::npos) {
482 throw BadSettingError ("name", "cannot contain slashes");
487 s << "DVD-o-matic " << DVDOMATIC_VERSION << " using " << dependency_version_summary ();
488 log()->log (s.str ());
493 gethostname (buffer, sizeof (buffer));
495 s << "Starting to make a DCP on " << buffer;
496 log()->log (s.str ());
500 throw MissingSettingError ("format");
503 if (content().empty ()) {
504 throw MissingSettingError ("content");
507 if (dcp_content_type() == 0) {
508 throw MissingSettingError ("content type");
511 if (name().empty()) {
512 throw MissingSettingError ("name");
515 shared_ptr<const FilmState> fs = state_copy ();
516 shared_ptr<Options> o (new Options (j2k_dir(), ".j2c", _state.dir ("wavs")));
517 o->out_size = format()->dcp_size ();
518 if (dcp_frames() == 0) {
519 /* Decode the whole film, no blacking */
523 switch (dcp_trim_action()) {
525 /* Decode only part of the film, no blacking */
526 o->num_frames = dcp_frames ();
530 /* Decode the whole film, but black some frames out */
532 o->black_after = dcp_frames ();
536 o->decode_video_frequency = freq;
537 o->padding = format()->dcp_padding ();
538 o->ratio = format()->ratio_as_float ();
542 JobManager::instance()->add (shared_ptr<Job> (new ABTranscodeJob (fs, o, log ())));
544 JobManager::instance()->add (shared_ptr<Job> (new TranscodeJob (fs, o, log ())));
548 JobManager::instance()->add (shared_ptr<Job> (new MakeDCPJob (fs, o, log ())));
551 shared_ptr<FilmState>
552 Film::state_copy () const
554 return shared_ptr<FilmState> (new FilmState (_state));
558 Film::copy_from_dvd_post_gui ()
560 const string dvd_dir = _state.dir ("dvd");
563 uintmax_t largest_size = 0;
564 for (filesystem::directory_iterator i = filesystem::directory_iterator (dvd_dir); i != filesystem::directory_iterator(); ++i) {
565 uintmax_t const s = filesystem::file_size (*i);
566 if (s > largest_size) {
568 #if BOOST_FILESYSTEM_VERSION == 3
569 largest_file = filesystem::path(*i).generic_string();
571 largest_file = i->string ();
577 set_content (largest_file);
581 Film::examine_content ()
583 if (_examine_content_job) {
587 _examine_content_job.reset (new ExamineContentJob (state_copy (), log ()));
588 _examine_content_job->Finished.connect (sigc::mem_fun (*this, &Film::examine_content_post_gui));
589 JobManager::instance()->add (_examine_content_job);
593 Film::examine_content_post_gui ()
595 _state.length = _examine_content_job->last_video_frame ();
596 signal_changed (LENGTH);
598 _examine_content_job.reset ();
602 Film::set_scaler (Scaler const * s)
605 signal_changed (SCALER);
608 /** @return full paths to any audio files that this Film has */
610 Film::audio_files () const
613 for (filesystem::directory_iterator i = filesystem::directory_iterator (_state.dir("wavs")); i != filesystem::directory_iterator(); ++i) {
614 f.push_back (i->path().string ());
621 Film::content_type () const
623 return _state.content_type ();
627 Film::set_still_duration (int d)
629 _state.still_duration = d;
630 signal_changed (STILL_DURATION);
634 Film::send_dcp_to_tms ()
636 shared_ptr<Job> j (new SCPDCPJob (state_copy (), log ()));
637 JobManager::instance()->add (j);
641 Film::copy_from_dvd ()
643 shared_ptr<Job> j (new CopyFromDVDJob (state_copy (), log ()));
644 j->Finished.connect (sigc::mem_fun (*this, &Film::copy_from_dvd_post_gui));
645 JobManager::instance()->add (j);
649 Film::encoded_frames () const
656 for (filesystem::directory_iterator i = filesystem::directory_iterator (j2k_dir ()); i != filesystem::directory_iterator(); ++i) {
658 this_thread::interruption_point ();