2 Copyright (C) 2012-2015 Carl Hetherington <cth@carlh.net>
4 This file is part of DCP-o-matic.
6 DCP-o-matic is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 DCP-o-matic is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
21 /** @file src/transcode_job.cc
22 * @brief A job which transcodes from one format to another.
25 #include "transcode_job.h"
26 #include "upload_job.h"
27 #include "job_manager.h"
29 #include "transcoder.h"
31 #include "safe_stringstream.h"
32 #include "compose.hpp"
33 #include <boost/make_shared.hpp>
39 #define LOG_GENERAL(...) _film->log()->log (String::compose (__VA_ARGS__), LogEntry::TYPE_GENERAL);
40 #define LOG_GENERAL_NC(...) _film->log()->log (__VA_ARGS__, LogEntry::TYPE_GENERAL);
41 #define LOG_ERROR_NC(...) _film->log()->log (__VA_ARGS__, LogEntry::TYPE_ERROR);
45 using std::setprecision;
47 using boost::shared_ptr;
48 using boost::make_shared;
50 /** @param s Film to use.
52 TranscodeJob::TranscodeJob (shared_ptr<const Film> film)
59 TranscodeJob::name () const
61 return String::compose (_("Transcode %1"), _film->name());
65 TranscodeJob::json_name () const
67 return N_("transcode");
75 gettimeofday (&start, 0);
76 LOG_GENERAL_NC (N_("Transcode job starting"));
78 _transcoder.reset (new Transcoder (_film, shared_from_this ()));
81 set_state (FINISHED_OK);
83 struct timeval finish;
84 gettimeofday (&finish, 0);
87 if (finish.tv_sec != start.tv_sec) {
88 fps = _transcoder->video_frames_enqueued() / (finish.tv_sec - start.tv_sec);
91 LOG_GENERAL (N_("Transcode job completed successfully: %1 fps"), fps);
94 if (_film->upload_after_make_dcp ()) {
95 shared_ptr<Job> job = make_shared<UploadJob> (_film);
96 JobManager::instance()->add (job);
100 _transcoder.reset ();
106 TranscodeJob::status () const
109 return Job::status ();
112 float const fps = _transcoder->current_encoding_rate ();
114 return Job::status ();
121 if (!finished () && !_transcoder->finishing ()) {
122 /// TRANSLATORS: fps here is an abbreviation for frames per second
123 s << "; " << _transcoder->video_frames_enqueued() << "/"
124 << _film->length().frames_round (_film->video_frame_rate ()) << " " << _("frames") << "; "
125 << fixed << setprecision (1) << fps << " " << _("fps");
131 /** @return Approximate remaining time in seconds */
133 TranscodeJob::remaining_time () const
135 /* _transcoder might be destroyed by the job-runner thread */
136 shared_ptr<Transcoder> t = _transcoder;
142 float fps = t->current_encoding_rate ();
148 /* Compute approximate proposed length here, as it's only here that we need it */
149 return (_film->length().frames_round (_film->video_frame_rate ()) - t->video_frames_enqueued()) / fps;