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 (must_exist && !filesystem::exists (_state.directory)) {
89 throw OpenFileError (_state.directory);
94 _log = new FileLog (_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 if (line[line.size() - 1] == '\r') {
129 line = line.substr (0, line.size() - 1);
132 size_t const s = line.find (' ');
133 if (s == string::npos) {
137 _state.read_metadata (line.substr (0, s), line.substr (s + 1));
143 /** Write our state to a file `metadata' inside the Film's directory */
145 Film::write_metadata () const
147 filesystem::create_directories (_state.directory);
149 ofstream f (metadata_file().c_str ());
151 throw CreateFileError (metadata_file ());
154 _state.write_metadata (f);
159 /** Set the name by which DVD-o-matic refers to this Film */
161 Film::set_name (string n)
164 signal_changed (NAME);
167 /** Set the content file for this film.
168 * @param c New content file; if specified as an absolute path, the content should
169 * be within the film's _state.directory; if specified as a relative path, the content
170 * will be assumed to be within the film's _state.directory.
173 Film::set_content (string c)
175 string check = _state.directory;
177 #if BOOST_FILESYSTEM_VERSION == 3
178 filesystem::path slash ("/");
179 string platform_slash = slash.make_preferred().string ();
181 #ifdef DVDOMATIC_WINDOWS
182 string platform_slash = "\\";
184 string platform_slash = "/";
188 if (!ends_with (check, platform_slash)) {
189 check += platform_slash;
192 if (filesystem::path(c).has_root_directory () && starts_with (c, check)) {
193 c = c.substr (_state.directory.length() + 1);
196 if (c == _state.content) {
200 /* Create a temporary decoder so that we can get information
203 shared_ptr<FilmState> s = state_copy ();
205 shared_ptr<Options> o (new Options ("", "", ""));
206 o->out_size = Size (1024, 1024);
208 shared_ptr<Decoder> d = decoder_factory (s, o, 0, _log);
210 _state.size = d->native_size ();
211 _state.length = d->length_in_frames ();
212 _state.frames_per_second = d->frames_per_second ();
213 _state.audio_channels = d->audio_channels ();
214 _state.audio_sample_rate = d->audio_sample_rate ();
215 _state.audio_sample_format = d->audio_sample_format ();
217 _state.content_digest = md5_digest (s->content_path ());
220 signal_changed (SIZE);
221 signal_changed (LENGTH);
222 signal_changed (FRAMES_PER_SECOND);
223 signal_changed (AUDIO_CHANNELS);
224 signal_changed (AUDIO_SAMPLE_RATE);
225 signal_changed (CONTENT);
228 /** Set the format that this Film should be shown in */
230 Film::set_format (Format const * f)
233 signal_changed (FORMAT);
236 /** Set the type to specify the DCP as having
237 * (feature, trailer etc.)
240 Film::set_dcp_content_type (DCPContentType const * t)
242 _state.dcp_content_type = t;
243 signal_changed (DCP_CONTENT_TYPE);
246 /** Set the number of pixels by which to crop the left of the source video */
248 Film::set_left_crop (int c)
250 if (c == _state.crop.left) {
254 _state.crop.left = c;
255 signal_changed (CROP);
258 /** Set the number of pixels by which to crop the right of the source video */
260 Film::set_right_crop (int c)
262 if (c == _state.crop.right) {
266 _state.crop.right = c;
267 signal_changed (CROP);
270 /** Set the number of pixels by which to crop the top of the source video */
272 Film::set_top_crop (int c)
274 if (c == _state.crop.top) {
279 signal_changed (CROP);
282 /** Set the number of pixels by which to crop the bottom of the source video */
284 Film::set_bottom_crop (int c)
286 if (c == _state.crop.bottom) {
290 _state.crop.bottom = c;
291 signal_changed (CROP);
294 /** Set the filters to apply to the image when generating thumbnails
298 Film::set_filters (vector<Filter const *> const & f)
301 signal_changed (FILTERS);
304 /** Set the number of frames to put in any generated DCP (from
305 * the start of the film). 0 indicates that all frames should
309 Film::set_dcp_frames (int n)
311 _state.dcp_frames = n;
312 signal_changed (DCP_FRAMES);
316 Film::set_dcp_trim_action (TrimAction a)
318 _state.dcp_trim_action = a;
319 signal_changed (DCP_TRIM_ACTION);
322 /** Set whether or not to generate a A/B comparison DCP.
323 * Such a DCP has the left half of its frame as the Film
324 * content without any filtering or post-processing; the
325 * right half is rendered with filters and post-processing.
328 Film::set_dcp_ab (bool a)
331 signal_changed (DCP_AB);
335 Film::set_audio_gain (float g)
337 _state.audio_gain = g;
338 signal_changed (AUDIO_GAIN);
342 Film::set_audio_delay (int d)
344 _state.audio_delay = d;
345 signal_changed (AUDIO_DELAY);
348 /** @return path of metadata file */
350 Film::metadata_file () const
352 return _state.file ("metadata");
355 /** @return full path of the content (actual video) file
359 Film::content () const
361 return _state.content_path ();
364 /** The pre-processing GUI part of a thumbs update.
365 * Must be called from the GUI thread.
368 Film::update_thumbs_pre_gui ()
370 _state.thumbs.clear ();
371 filesystem::remove_all (_state.dir ("thumbs"));
373 /* This call will recreate the directory */
374 _state.dir ("thumbs");
377 /** The post-processing GUI part of a thumbs update.
378 * Must be called from the GUI thread.
381 Film::update_thumbs_post_gui ()
383 string const tdir = _state.dir ("thumbs");
385 for (filesystem::directory_iterator i = filesystem::directory_iterator (tdir); i != filesystem::directory_iterator(); ++i) {
387 /* Aah, the sweet smell of progress */
388 #if BOOST_FILESYSTEM_VERSION == 3
389 string const l = filesystem::path(*i).leaf().generic_string();
391 string const l = i->leaf ();
394 size_t const d = l.find (".tiff");
395 if (d != string::npos) {
396 _state.thumbs.push_back (atoi (l.substr (0, d).c_str()));
400 sort (_state.thumbs.begin(), _state.thumbs.end());
403 signal_changed (THUMBS);
406 /** @return the number of thumbnail images that we have */
408 Film::num_thumbs () const
410 return _state.thumbs.size ();
413 /** @param n A thumb index.
414 * @return The frame within the Film that it is for.
417 Film::thumb_frame (int n) const
419 return _state.thumb_frame (n);
422 /** @param n A thumb index.
423 * @return The path to the thumb's image file.
426 Film::thumb_file (int n) const
428 return _state.thumb_file (n);
431 /** @return The path to the directory to write JPEG2000 files to */
433 Film::j2k_dir () const
442 pair<string, string> f = Filter::ffmpeg_strings (filters ());
444 /* Write stuff to specify the filter / post-processing settings that are in use,
445 so that we don't get confused about J2K files generated using different
449 s << _state.format->id()
450 << "_" << _state.content_digest
451 << "_" << crop().left << "_" << crop().right << "_" << crop().top << "_" << crop().bottom
452 << "_" << f.first << "_" << f.second
453 << "_" << _state.scaler->id();
457 /* Similarly for the A/B case */
460 pair<string, string> fa = Filter::ffmpeg_strings (Config::instance()->reference_filters());
461 s << "ab_" << Config::instance()->reference_scaler()->id() << "_" << fa.first << "_" << fa.second;
465 return _state.dir (p.string ());
468 /** Handle a change to the Film's metadata */
470 Film::signal_changed (Property p)
476 /** Add suitable Jobs to the JobManager to create a DCP for this Film.
477 * @param true to transcode, false to use the WAV and J2K files that are already there.
480 Film::make_dcp (bool transcode, int freq)
482 string const t = name ();
483 if (t.find ("/") != string::npos) {
484 throw BadSettingError ("name", "cannot contain slashes");
487 log()->log (String::compose ("DVD-o-matic %1 git %2 using %3", dvdomatic_version, dvdomatic_git_commit, dependency_version_summary()));
491 gethostname (buffer, sizeof (buffer));
492 log()->log (String::compose ("Starting to make DCP on %1", buffer));
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 CheckHashesJob (fs, o, log ())));
545 JobManager::instance()->add (shared_ptr<Job> (new MakeDCPJob (fs, o, log ())));
548 shared_ptr<FilmState>
549 Film::state_copy () const
551 return shared_ptr<FilmState> (new FilmState (_state));
555 Film::copy_from_dvd_post_gui ()
557 const string dvd_dir = _state.dir ("dvd");
560 uintmax_t largest_size = 0;
561 for (filesystem::directory_iterator i = filesystem::directory_iterator (dvd_dir); i != filesystem::directory_iterator(); ++i) {
562 uintmax_t const s = filesystem::file_size (*i);
563 if (s > largest_size) {
565 #if BOOST_FILESYSTEM_VERSION == 3
566 largest_file = filesystem::path(*i).generic_string();
568 largest_file = i->string ();
574 set_content (largest_file);
578 Film::examine_content ()
580 if (_examine_content_job) {
584 _examine_content_job.reset (new ExamineContentJob (state_copy (), log ()));
585 _examine_content_job->Finished.connect (sigc::mem_fun (*this, &Film::examine_content_post_gui));
586 JobManager::instance()->add (_examine_content_job);
590 Film::examine_content_post_gui ()
592 _state.length = _examine_content_job->last_video_frame ();
593 signal_changed (LENGTH);
595 _examine_content_job.reset ();
599 Film::set_scaler (Scaler const * s)
602 signal_changed (SCALER);
605 /** @return full paths to any audio files that this Film has */
607 Film::audio_files () const
610 for (filesystem::directory_iterator i = filesystem::directory_iterator (_state.dir("wavs")); i != filesystem::directory_iterator(); ++i) {
611 f.push_back (i->path().string ());
618 Film::content_type () const
620 return _state.content_type ();
624 Film::set_still_duration (int d)
626 _state.still_duration = d;
627 signal_changed (STILL_DURATION);
631 Film::send_dcp_to_tms ()
633 shared_ptr<Job> j (new SCPDCPJob (state_copy (), log ()));
634 JobManager::instance()->add (j);
638 Film::copy_from_dvd ()
640 shared_ptr<Job> j (new CopyFromDVDJob (state_copy (), log ()));
641 j->Finished.connect (sigc::mem_fun (*this, &Film::copy_from_dvd_post_gui));
642 JobManager::instance()->add (j);
646 Film::encoded_frames () const
653 for (filesystem::directory_iterator i = filesystem::directory_iterator (j2k_dir ()); i != filesystem::directory_iterator(); ++i) {
655 this_thread::interruption_point ();