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"
27 #include "j2k_wav_encoder.h"
30 #include "transcoder.h"
31 #include "film_state.h"
33 #include "encoder_factory.h"
36 using namespace boost;
38 /** @param s FilmState to use.
40 * @param l A log that we can write to.
42 TranscodeJob::TranscodeJob (shared_ptr<const FilmState> s, shared_ptr<const Options> o, Log* l, shared_ptr<Job> req)
50 TranscodeJob::name () const
52 return String::compose ("Transcode %1", _fs->name());
60 _log->log ("Transcode job starting");
62 _encoder = encoder_factory (_fs, _opt, _log);
63 Transcoder w (_fs, _opt, this, _log, _encoder);
66 set_state (FINISHED_OK);
68 _log->log ("Transcode job completed successfully");
70 } catch (std::exception& e) {
73 set_state (FINISHED_ERROR);
74 _log->log (String::compose ("Transcode job failed (%1)", e.what()));
81 TranscodeJob::status () const
87 if (_encoder->skipping () && !finished ()) {
88 return "skipping already-encoded frames";
92 float const fps = _encoder->current_frames_per_second ();
94 return Job::status ();
99 s << Job::status () << "; " << fixed << setprecision (1) << fps << " frames per second";
104 TranscodeJob::remaining_time () const
106 float fps = _encoder->current_frames_per_second ();
111 return ((_fs->dcp_length() - _encoder->last_frame()) / fps);