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_transcoder.h"
27 #include "upload_job.h"
28 #include "job_manager.h"
30 #include "transcoder.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");
72 gettimeofday (&start, 0);
73 LOG_GENERAL_NC (N_("Transcode job starting"));
75 _transcoder.reset (new DCPTranscoder (_film, shared_from_this ()));
78 set_state (FINISHED_OK);
80 struct timeval finish;
81 gettimeofday (&finish, 0);
84 if (finish.tv_sec != start.tv_sec) {
85 fps = _transcoder->video_frames_enqueued() / (finish.tv_sec - start.tv_sec);
88 LOG_GENERAL (N_("Transcode job completed successfully: %1 fps"), fps);
91 if (_film->upload_after_make_dcp ()) {
92 shared_ptr<Job> job (new UploadJob (_film));
93 JobManager::instance()->add (job);
103 TranscodeJob::status () const
106 return Job::status ();
111 if (finished() || _transcoder->finishing()) {
112 strncpy (buffer, Job::status().c_str(), 256);
115 buffer, sizeof(buffer), "%s; %d/%" PRId64 " frames",
116 Job::status().c_str(),
117 _transcoder->video_frames_enqueued(),
118 _film->length().frames_round (_film->video_frame_rate ())
121 float const fps = _transcoder->current_encoding_rate ();
124 /// TRANSLATORS: fps here is an abbreviation for frames per second
125 snprintf (fps_buffer, sizeof(fps_buffer), _("; %.1f fps"), fps);
126 strncat (buffer, fps_buffer, strlen(buffer) - 1);
133 /** @return Approximate remaining time in seconds */
135 TranscodeJob::remaining_time () const
137 /* _transcoder might be destroyed by the job-runner thread */
138 shared_ptr<DCPTranscoder> t = _transcoder;
140 if (!t || t->finishing()) {
141 /* We aren't doing any actual encoding so just use the job's guess */
142 return Job::remaining_time ();
145 /* We're encoding so guess based on the current encoding rate */
147 float fps = t->current_encoding_rate ();
153 /* Compute approximate proposed length here, as it's only here that we need it */
154 return (_film->length().frames_round (_film->video_frame_rate ()) - t->video_frames_enqueued()) / fps;