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->set_dcp_intrinsic_duration (_encoder->video_frames_out ());
72 _film->log()->log ("Transcode job completed successfully");
73 _film->log()->log (String::compose ("DCP intrinsic duration is %1", _encoder->video_frames_out()));
75 } catch (std::exception& e) {
78 set_state (FINISHED_ERROR);
79 _film->log()->log (String::compose ("Transcode job failed (%1)", e.what()));
86 TranscodeJob::status () const
92 if (_encoder->skipping () && !finished ()) {
93 return "skipping already-encoded frames";
97 float const fps = _encoder->current_frames_per_second ();
99 return Job::status ();
107 s << "; " << fixed << setprecision (1) << fps << " frames per second";
114 TranscodeJob::remaining_time () const
116 float fps = _encoder->current_frames_per_second ();
121 if (!_film->length()) {
125 /* Compute approximate proposed length here, as it's only here that we need it */
126 int length = _film->length().get();
127 DCPFrameRate const dfr (_film->frames_per_second ());
131 /* If we are repeating it shouldn't affect transcode time, so don't take it into account */
133 /* We assume that dcp_length() is valid, if it is set */
134 int const left = length - _encoder->video_frames_out();