2 Copyright (C) 2012-2021 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/>.
22 /** @file src/transcode_job.cc
23 * @brief A job which transcodes from one format to another.
27 #include "analytics.h"
28 #include "compose.hpp"
30 #include "dcp_encoder.h"
31 #include "dcpomatic_log.h"
34 #include "job_manager.h"
36 #include "transcode_job.h"
37 #include "upload_job.h"
46 using std::make_shared;
47 using std::setprecision;
48 using std::shared_ptr;
50 using boost::optional;
51 using std::dynamic_pointer_cast;
54 /** @param film Film to use */
55 TranscodeJob::TranscodeJob (shared_ptr<const Film> film)
62 TranscodeJob::~TranscodeJob ()
69 TranscodeJob::name () const
71 return String::compose (_("Transcoding %1"), _film->name());
76 TranscodeJob::json_name () const
78 return N_("transcode");
83 TranscodeJob::set_encoder (shared_ptr<Encoder> e)
94 gettimeofday (&start, 0);
95 LOG_GENERAL_NC (N_("Transcode job starting"));
97 DCPOMATIC_ASSERT (_encoder);
100 struct timeval finish;
101 gettimeofday (&finish, 0);
104 if (finish.tv_sec != start.tv_sec) {
105 fps = _encoder->frames_done() / (finish.tv_sec - start.tv_sec);
108 LOG_GENERAL (N_("Transcode job completed successfully: %1 fps"), fps);
110 if (dynamic_pointer_cast<DCPEncoder>(_encoder)) {
111 Analytics::instance()->successful_dcp_encode();
114 /* XXX: this shouldn't be here */
115 if (Config::instance()->upload_after_make_dcp() && dynamic_pointer_cast<DCPEncoder>(_encoder)) {
116 JobManager::instance()->add(make_shared<UploadJob>(_film));
122 set_state (FINISHED_OK);
132 TranscodeJob::status () const
135 return Job::status ();
140 if (finished() || _encoder->finishing()) {
141 strncpy (buffer, Job::status().c_str(), 255);
145 buffer, sizeof(buffer), "%s; %" PRId64 "/%" PRId64 " frames",
146 Job::status().c_str(),
147 _encoder->frames_done(),
148 _film->length().frames_round (_film->video_frame_rate ())
151 optional<float> const fps = _encoder->current_rate ();
154 /// TRANSLATORS: fps here is an abbreviation for frames per second
155 snprintf (fps_buffer, sizeof(fps_buffer), _("; %.1f fps"), *fps);
156 strncat (buffer, fps_buffer, strlen(buffer) - 1);
164 /** @return Approximate remaining time in seconds */
166 TranscodeJob::remaining_time () const
168 /* _encoder might be destroyed by the job-runner thread */
171 if (!e || e->finishing()) {
172 /* We aren't doing any actual encoding so just use the job's guess */
173 return Job::remaining_time ();
176 /* We're encoding so guess based on the current encoding rate */
178 auto fps = e->current_rate ();
184 /* Compute approximate proposed length here, as it's only here that we need it */
185 return (_film->length().frames_round(_film->video_frame_rate()) - e->frames_done()) / *fps;