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 "compose.hpp"
38 #define LOG_GENERAL(...) _film->log()->log (String::compose (__VA_ARGS__), LogEntry::TYPE_GENERAL);
39 #define LOG_GENERAL_NC(...) _film->log()->log (__VA_ARGS__, LogEntry::TYPE_GENERAL);
40 #define LOG_ERROR_NC(...) _film->log()->log (__VA_ARGS__, LogEntry::TYPE_ERROR);
44 using std::setprecision;
46 using boost::shared_ptr;
48 /** @param film Film to use */
49 TranscodeJob::TranscodeJob (shared_ptr<const Film> film)
56 TranscodeJob::name () const
58 return String::compose (_("Transcode %1"), _film->name());
62 TranscodeJob::json_name () const
64 return N_("transcode");
68 TranscodeJob::set_encoder (shared_ptr<Encoder> e)
78 gettimeofday (&start, 0);
79 LOG_GENERAL_NC (N_("Transcode job starting"));
81 DCPOMATIC_ASSERT (_encoder);
84 set_state (FINISHED_OK);
86 struct timeval finish;
87 gettimeofday (&finish, 0);
90 if (finish.tv_sec != start.tv_sec) {
91 fps = _encoder->frames_done() / (finish.tv_sec - start.tv_sec);
94 LOG_GENERAL (N_("Transcode job completed successfully: %1 fps"), fps);
97 /* XXX: this shouldn't be here */
98 if (_film->upload_after_make_dcp ()) {
99 shared_ptr<Job> job (new UploadJob (_film));
100 JobManager::instance()->add (job);
110 TranscodeJob::status () const
113 return Job::status ();
118 if (finished() || _encoder->finishing()) {
119 strncpy (buffer, Job::status().c_str(), 256);
122 buffer, sizeof(buffer), "%s; %" PRId64 "/%" PRId64 " frames",
123 Job::status().c_str(),
124 _encoder->frames_done(),
125 _film->length().frames_round (_film->video_frame_rate ())
128 float const fps = _encoder->current_rate ();
131 /// TRANSLATORS: fps here is an abbreviation for frames per second
132 snprintf (fps_buffer, sizeof(fps_buffer), _("; %.1f fps"), fps);
133 strncat (buffer, fps_buffer, strlen(buffer) - 1);
140 /** @return Approximate remaining time in seconds */
142 TranscodeJob::remaining_time () const
144 /* _encoder might be destroyed by the job-runner thread */
145 shared_ptr<Encoder> e = _encoder;
147 if (!e || e->finishing()) {
148 /* We aren't doing any actual encoding so just use the job's guess */
149 return Job::remaining_time ();
152 /* We're encoding so guess based on the current encoding rate */
154 float fps = e->current_rate ();
160 /* Compute approximate proposed length here, as it's only here that we need it */
161 return (_film->length().frames_round (_film->video_frame_rate ()) - e->frames_done()) / fps;