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 "dcp_encoder.h"
27 #include "upload_job.h"
28 #include "job_manager.h"
32 #include "dcpomatic_log.h"
33 #include "compose.hpp"
41 using std::setprecision;
43 using boost::shared_ptr;
45 /** @param film Film to use */
46 TranscodeJob::TranscodeJob (shared_ptr<const Film> film)
53 TranscodeJob::name () const
55 return String::compose (_("Transcoding %1"), _film->name());
59 TranscodeJob::json_name () const
61 return N_("transcode");
65 TranscodeJob::set_encoder (shared_ptr<Encoder> e)
75 gettimeofday (&start, 0);
76 LOG_GENERAL_NC (N_("Transcode job starting"));
78 DCPOMATIC_ASSERT (_encoder);
81 set_state (FINISHED_OK);
83 struct timeval finish;
84 gettimeofday (&finish, 0);
87 if (finish.tv_sec != start.tv_sec) {
88 fps = _encoder->frames_done() / (finish.tv_sec - start.tv_sec);
91 LOG_GENERAL (N_("Transcode job completed successfully: %1 fps"), fps);
94 /* XXX: this shouldn't be here */
95 if (_film->upload_after_make_dcp ()) {
96 shared_ptr<Job> job (new UploadJob (_film));
97 JobManager::instance()->add (job);
107 TranscodeJob::status () const
110 return Job::status ();
115 if (finished() || _encoder->finishing()) {
116 strncpy (buffer, Job::status().c_str(), 256);
119 buffer, sizeof(buffer), "%s; %" PRId64 "/%" PRId64 " frames",
120 Job::status().c_str(),
121 _encoder->frames_done(),
122 _film->length().frames_round (_film->video_frame_rate ())
125 float const fps = _encoder->current_rate ();
128 /// TRANSLATORS: fps here is an abbreviation for frames per second
129 snprintf (fps_buffer, sizeof(fps_buffer), _("; %.1f fps"), fps);
130 strncat (buffer, fps_buffer, strlen(buffer) - 1);
137 /** @return Approximate remaining time in seconds */
139 TranscodeJob::remaining_time () const
141 /* _encoder might be destroyed by the job-runner thread */
142 shared_ptr<Encoder> e = _encoder;
144 if (!e || e->finishing()) {
145 /* We aren't doing any actual encoding so just use the job's guess */
146 return Job::remaining_time ();
149 /* We're encoding so guess based on the current encoding rate */
151 float fps = e->current_rate ();
157 /* Compute approximate proposed length here, as it's only here that we need it */
158 return (_film->length().frames_round (_film->video_frame_rate ()) - e->frames_done()) / fps;