2 Copyright (C) 2012-2015 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 /** @file src/transcode_job.cc
21 * @brief A job which transcodes from one format to another.
26 #include "transcode_job.h"
28 #include "transcoder.h"
30 #include "safe_stringstream.h"
34 #define LOG_GENERAL_NC(...) _film->log()->log (__VA_ARGS__, Log::TYPE_GENERAL);
35 #define LOG_ERROR_NC(...) _film->log()->log (__VA_ARGS__, Log::TYPE_ERROR);
39 using std::setprecision;
41 using boost::shared_ptr;
43 /** @param s Film to use.
45 TranscodeJob::TranscodeJob (shared_ptr<const Film> film)
52 TranscodeJob::name () const
54 return String::compose (_("Transcode %1"), _film->name());
58 TranscodeJob::json_name () const
60 return N_("transcode");
68 LOG_GENERAL_NC (N_("Transcode job starting"));
70 _transcoder.reset (new Transcoder (_film, shared_from_this ()));
73 set_state (FINISHED_OK);
75 LOG_GENERAL_NC (N_("Transcode job completed successfully"));
85 TranscodeJob::status () const
88 return Job::status ();
91 float const fps = _transcoder->current_encoding_rate ();
93 return Job::status ();
100 if (!finished () && !_transcoder->finishing ()) {
101 /// TRANSLATORS: fps here is an abbreviation for frames per second
102 s << "; " << fixed << setprecision (1) << fps << " " << _("fps");
108 /** @return Approximate remaining time in seconds */
110 TranscodeJob::remaining_time () const
112 /* _transcoder might be destroyed by the job-runner thread */
113 shared_ptr<Transcoder> t = _transcoder;
119 float fps = t->current_encoding_rate ();
125 /* Compute approximate proposed length here, as it's only here that we need it */
126 return (_film->length().frames (_film->video_frame_rate ()) - t->video_frames_out()) / fps;