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"
29 #include "transcoder.h"
34 using std::stringstream;
36 using std::setprecision;
37 using boost::shared_ptr;
39 /** @param s Film to use.
40 * @param o Decode options.
41 * @param req Job that must be completed before this job is run.
43 TranscodeJob::TranscodeJob (shared_ptr<Film> f, DecodeOptions o, shared_ptr<Job> req)
51 TranscodeJob::name () const
53 return String::compose ("Transcode %1", _film->name());
61 _film->log()->log ("Transcode job starting");
62 _film->log()->log (String::compose ("Audio delay is %1ms", _film->audio_delay()));
64 _encoder.reset (new Encoder (_film));
65 Transcoder w (_film, _decode_opt, this, _encoder);
68 set_state (FINISHED_OK);
70 _film->log()->log ("Transcode job completed successfully");
72 } catch (std::exception& e) {
75 set_state (FINISHED_ERROR);
76 _film->log()->log (String::compose ("Transcode job failed (%1)", e.what()));
83 TranscodeJob::status () const
89 if (_encoder->skipping () && !finished ()) {
90 return "skipping already-encoded frames";
94 float const fps = _encoder->current_frames_per_second ();
96 return Job::status ();
104 s << "; " << fixed << setprecision (1) << fps << " frames per second";
111 TranscodeJob::remaining_time () const
113 float fps = _encoder->current_frames_per_second ();
118 if (!_film->dcp_length()) {
122 /* We assume that dcp_length() is valid, if it is set */
123 SourceFrame const left = _film->dcp_trim_start() + _film->dcp_length().get() - _encoder->video_frame();