2 Copyright (C) 2012 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> f)
52 TranscodeJob::name () const
54 return String::compose (_("Transcode %1"), _film->name());
62 LOG_GENERAL_NC (N_("Transcode job starting"));
64 _transcoder.reset (new Transcoder (_film, shared_from_this ()));
67 set_state (FINISHED_OK);
69 LOG_GENERAL_NC (N_("Transcode job completed successfully"));
74 set_state (FINISHED_ERROR);
75 LOG_ERROR_NC (N_("Transcode job failed or cancelled"));
82 TranscodeJob::status () const
85 return Job::status ();
88 float const fps = _transcoder->current_encoding_rate ();
90 return Job::status ();
97 if (!finished () && !_transcoder->finishing ()) {
98 /// TRANSLATORS: fps here is an abbreviation for frames per second
99 s << "; " << fixed << setprecision (1) << fps << " " << _("fps");
105 /** @return Approximate remaining time in seconds */
107 TranscodeJob::remaining_time () const
109 /* _transcoder might be destroyed by the job-runner thread */
110 shared_ptr<Transcoder> t = _transcoder;
116 float fps = t->current_encoding_rate ();
122 /* Compute approximate proposed length here, as it's only here that we need it */
123 return (_film->length().frames (_film->video_frame_rate ()) - t->video_frames_out()) / fps;