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
126
127
128
129
130
131
132
133
134
135
|
/*
Copyright (C) 2013-2014 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/lib/content_factory.cc
* @brief Methods to create content objects.
*/
#include "ffmpeg_content.h"
#include "image_content.h"
#include "sndfile_content.h"
#include "subrip_content.h"
#include "dcp_content.h"
#include "dcp_subtitle_content.h"
#include "util.h"
#include <libcxml/cxml.h>
#include <dcp/smpte_subtitle_asset.h>
#include <boost/algorithm/string.hpp>
using std::string;
using std::list;
using boost::shared_ptr;
/** Create a Content object from an XML node.
* @param film Film that the content will be in.
* @param node XML description.
* @param version XML state version.
* @param notes A list to which is added descriptions of any non-critial warnings / messages.
* @return Content object, or 0 if no content was recognised in the XML.
*/
shared_ptr<Content>
content_factory (shared_ptr<const Film> film, cxml::NodePtr node, int version, list<string>& notes)
{
string const type = node->string_child ("Type");
boost::shared_ptr<Content> content;
if (type == "FFmpeg") {
content.reset (new FFmpegContent (film, node, version, notes));
} else if (type == "Image") {
content.reset (new ImageContent (film, node, version));
} else if (type == "Sndfile") {
content.reset (new SndfileContent (film, node, version));
} else if (type == "SubRip") {
content.reset (new SubRipContent (film, node, version));
} else if (type == "DCP") {
content.reset (new DCPContent (film, node, version));
} else if (type == "DCPSubtitle") {
content.reset (new DCPSubtitleContent (film, node, version));
}
return content;
}
/** Create a Content object from a file or directory.
* @param film Film that the content will be in.
* @param path File or directory.
* @return Content object.
*/
shared_ptr<Content>
content_factory (shared_ptr<const Film> film, boost::filesystem::path path)
{
shared_ptr<Content> content;
if (boost::filesystem::is_directory (path)) {
if (boost::filesystem::is_empty (path)) {
return shared_ptr<Content> ();
}
/* Guess if this is a DCP or a set of images: read the first ten filenames and if they
are all valid image files we assume it is a set of images.
*/
bool is_dcp = false;
int read = 0;
for (boost::filesystem::directory_iterator i(path); i != boost::filesystem::directory_iterator() && read < 10; ++i) {
if (boost::starts_with (i->path().leaf().string(), "._")) {
/* We ignore these files */
continue;
}
if (!boost::filesystem::is_regular_file (i->path()) || !valid_image_file (i->path())) {
is_dcp = true;
}
++read;
}
if (is_dcp) {
content.reset (new DCPContent (film, path));
} else {
content.reset (new ImageContent (film, path));
}
} else {
string ext = path.extension().string ();
transform (ext.begin(), ext.end(), ext.begin(), ::tolower);
if (valid_image_file (path)) {
content.reset (new ImageContent (film, path));
} else if (SndfileContent::valid_file (path)) {
content.reset (new SndfileContent (film, path));
} else if (ext == ".srt") {
content.reset (new SubRipContent (film, path));
} else if (ext == ".xml") {
content.reset (new DCPSubtitleContent (film, path));
} else if (ext == ".mxf" && dcp::SMPTESubtitleAsset::valid_mxf (path)) {
content.reset (new DCPSubtitleContent (film, path));
}
if (!content) {
content.reset (new FFmpegContent (film, path));
}
}
return content;
}
|
