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;
40 using boost::shared_ptr;
42 /** @param s Film to use.
44 TranscodeJob::TranscodeJob (shared_ptr<const Film> f)
51 TranscodeJob::name () const
53 return String::compose (_("Transcode %1"), _film->name());
61 LOG_GENERAL_NC (N_("Transcode job starting"));
63 _transcoder.reset (new Transcoder (_film, shared_from_this ()));
66 set_state (FINISHED_OK);
68 LOG_GENERAL_NC (N_("Transcode job completed successfully"));
73 set_state (FINISHED_ERROR);
74 LOG_ERROR_NC (N_("Transcode job failed or cancelled"));
81 TranscodeJob::status () const
84 return Job::status ();
87 float const fps = _transcoder->current_encoding_rate ();
89 return Job::status ();
96 if (!finished () && !_transcoder->finishing ()) {
97 s << "; " << fixed << setprecision (1) << fps << " " << _("frames per second");
104 TranscodeJob::remaining_time () const
106 /* _transcoder might be destroyed by the job-runner thread */
107 shared_ptr<Transcoder> t = _transcoder;
113 float fps = t->current_encoding_rate ();
119 /* Compute approximate proposed length here, as it's only here that we need it */
120 OutputVideoFrame const left = _film->time_to_video_frames (_film->length ()) - t->video_frames_out();