blob: 7b304cb35b48d549e683bd403ec8b5d923b0e4e9 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
/*
Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/** @file src/transcode_job.cc
* @brief A job which transcodes from one format to another.
*/
#include <iostream>
#include <iomanip>
#include "transcode_job.h"
#include "film.h"
#include "transcoder.h"
#include "log.h"
#include "i18n.h"
using std::string;
using std::stringstream;
using std::fixed;
using std::setprecision;
using boost::shared_ptr;
/** @param s Film to use.
*/
TranscodeJob::TranscodeJob (shared_ptr<const Film> f)
: Job (f)
{
}
string
TranscodeJob::name () const
{
return String::compose (_("Transcode %1"), _film->name());
}
string
TranscodeJob::json_name () const
{
return N_("transcode");
}
void
TranscodeJob::run ()
{
try {
_film->log()->log (N_("Transcode job starting"));
_transcoder.reset (new Transcoder (_film, shared_from_this ()));
_transcoder->go ();
set_progress (1);
set_state (FINISHED_OK);
_film->log()->log (N_("Transcode job completed successfully"));
_transcoder.reset ();
} catch (...) {
set_progress (1);
set_state (FINISHED_ERROR);
_film->log()->log (N_("Transcode job failed or cancelled"));
_transcoder.reset ();
throw;
}
}
string
TranscodeJob::status () const
{
if (!_transcoder) {
return Job::status ();
}
float const fps = _transcoder->current_encoding_rate ();
if (fps == 0) {
return Job::status ();
}
stringstream s;
s << Job::status ();
if (!finished () && !_transcoder->finishing ()) {
s << "; " << fixed << setprecision (1) << fps << " " << _("frames per second");
}
return s.str ();
}
int
TranscodeJob::remaining_time () const
{
/* _transcoder might be destroyed by the job-runner thread */
shared_ptr<Transcoder> t = _transcoder;
if (!t) {
return 0;
}
float fps = t->current_encoding_rate ();
if (fps == 0) {
return 0;
}
/* Compute approximate proposed length here, as it's only here that we need it */
OutputVideoFrame const left = _film->time_to_video_frames (_film->length ()) - t->video_frames_out();
return left / fps;
}
|
