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
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Providers;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Extensions;
using MediaBrowser.Model.Globalization;
using MediaBrowser.Model.IO;
namespace MediaBrowser.Providers.MediaInfo
{
public class SubtitleResolver
{
private readonly ILocalizationManager _localization;
private readonly IFileSystem _fileSystem;
private string[] SubtitleExtensions = new[]
{
".srt",
".ssa",
".ass",
".sub",
".smi",
".sami",
".vtt"
};
public SubtitleResolver(ILocalizationManager localization, IFileSystem fileSystem)
{
_localization = localization;
_fileSystem = fileSystem;
}
public List<MediaStream> GetExternalSubtitleStreams(Video video,
int startIndex,
IDirectoryService directoryService,
bool clearCache)
{
var streams = new List<MediaStream>();
if (!video.IsFileProtocol)
{
return streams;
}
AddExternalSubtitleStreams(streams, video.ContainingFolderPath, video.Path, startIndex, directoryService, clearCache);
startIndex += streams.Count;
try
{
AddExternalSubtitleStreams(streams, video.GetInternalMetadataPath(), video.Path, startIndex, directoryService, clearCache);
}
catch (IOException)
{
}
return streams;
}
public List<string> GetExternalSubtitleFiles(Video video,
IDirectoryService directoryService,
bool clearCache)
{
var list = new List<string>();
if (!video.IsFileProtocol)
{
return list;
}
var streams = GetExternalSubtitleStreams(video, 0, directoryService, clearCache);
foreach (var stream in streams)
{
list.Add(stream.Path);
}
return list;
}
private void AddExternalSubtitleStreams(List<MediaStream> streams, string folder,
string videoPath,
int startIndex,
IDirectoryService directoryService,
bool clearCache)
{
var files = directoryService.GetFilePaths(folder, clearCache).OrderBy(i => i).ToArray();
AddExternalSubtitleStreams(streams, videoPath, startIndex, files);
}
public void AddExternalSubtitleStreams(List<MediaStream> streams,
string videoPath,
int startIndex,
string[] files)
{
var videoFileNameWithoutExtension = Path.GetFileNameWithoutExtension(videoPath);
videoFileNameWithoutExtension = NormalizeFilenameForSubtitleComparison(videoFileNameWithoutExtension);
foreach (var fullName in files)
{
var extension = Path.GetExtension(fullName);
if (!SubtitleExtensions.Contains(extension, StringComparer.OrdinalIgnoreCase))
{
continue;
}
var fileNameWithoutExtension = Path.GetFileNameWithoutExtension(fullName);
fileNameWithoutExtension = NormalizeFilenameForSubtitleComparison(fileNameWithoutExtension);
if (!string.Equals(videoFileNameWithoutExtension, fileNameWithoutExtension, StringComparison.OrdinalIgnoreCase) &&
!fileNameWithoutExtension.StartsWith(videoFileNameWithoutExtension + ".", StringComparison.OrdinalIgnoreCase))
{
continue;
}
var codec = Path.GetExtension(fullName).ToLowerInvariant().TrimStart('.');
if (string.Equals(codec, "txt", StringComparison.OrdinalIgnoreCase))
{
codec = "srt";
}
// If the subtitle file matches the video file name
if (string.Equals(videoFileNameWithoutExtension, fileNameWithoutExtension, StringComparison.OrdinalIgnoreCase))
{
streams.Add(new MediaStream
{
Index = startIndex++,
Type = MediaStreamType.Subtitle,
IsExternal = true,
Path = fullName,
Codec = codec
});
}
else if (fileNameWithoutExtension.StartsWith(videoFileNameWithoutExtension + ".", StringComparison.OrdinalIgnoreCase))
{
var isForced = fullName.IndexOf(".forced.", StringComparison.OrdinalIgnoreCase) != -1 ||
fullName.IndexOf(".foreign.", StringComparison.OrdinalIgnoreCase) != -1;
var isDefault = fullName.IndexOf(".default.", StringComparison.OrdinalIgnoreCase) != -1;
// Support xbmc naming conventions - 300.spanish.srt
var language = fileNameWithoutExtension
.Replace(".forced", string.Empty, StringComparison.OrdinalIgnoreCase)
.Replace(".foreign", string.Empty, StringComparison.OrdinalIgnoreCase)
.Replace(".default", string.Empty, StringComparison.OrdinalIgnoreCase)
.Split('.')
.LastOrDefault();
// Try to translate to three character code
// Be flexible and check against both the full and three character versions
var culture = _localization.FindLanguageInfo(language);
if (culture != null)
{
language = culture.ThreeLetterISOLanguageName;
}
streams.Add(new MediaStream
{
Index = startIndex++,
Type = MediaStreamType.Subtitle,
IsExternal = true,
Path = fullName,
Codec = codec,
Language = language,
IsForced = isForced,
IsDefault = isDefault
});
}
}
}
private string NormalizeFilenameForSubtitleComparison(string filename)
{
// Try to account for sloppy file naming
filename = filename.Replace("_", string.Empty);
filename = filename.Replace(" ", string.Empty);
// can't normalize this due to languages such as pt-br
//filename = filename.Replace("-", string.Empty);
//filename = filename.Replace(".", string.Empty);
return filename;
}
}
}
|
