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
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
|
using System;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Common.Configuration;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.MediaEncoding;
using MediaBrowser.Model.Dlna;
using MediaBrowser.Model.Entities;
using Microsoft.Extensions.Logging;
namespace MediaBrowser.MediaEncoding.Encoder
{
public class EncodingJobFactory
{
private readonly ILogger _logger;
private readonly ILibraryManager _libraryManager;
private readonly IMediaSourceManager _mediaSourceManager;
private readonly IMediaEncoder _mediaEncoder;
public EncodingJobFactory(ILogger logger, ILibraryManager libraryManager, IMediaSourceManager mediaSourceManager, IMediaEncoder mediaEncoder)
{
_logger = logger;
_libraryManager = libraryManager;
_mediaSourceManager = mediaSourceManager;
_mediaEncoder = mediaEncoder;
}
public async Task<EncodingJob> CreateJob(EncodingJobOptions options, EncodingHelper encodingHelper, bool isVideoRequest, IProgress<double> progress, CancellationToken cancellationToken)
{
var request = options;
if (string.IsNullOrEmpty(request.AudioCodec))
{
request.AudioCodec = InferAudioCodec(request.Container);
}
var state = new EncodingJob(_logger, _mediaSourceManager)
{
Options = options,
IsVideoRequest = isVideoRequest,
Progress = progress
};
if (!string.IsNullOrWhiteSpace(request.VideoCodec))
{
state.SupportedVideoCodecs = request.VideoCodec.Split(',').Where(i => !string.IsNullOrWhiteSpace(i)).ToArray();
request.VideoCodec = state.SupportedVideoCodecs.FirstOrDefault();
}
if (!string.IsNullOrWhiteSpace(request.AudioCodec))
{
state.SupportedAudioCodecs = request.AudioCodec.Split(',').Where(i => !string.IsNullOrWhiteSpace(i)).ToArray();
request.AudioCodec = state.SupportedAudioCodecs.FirstOrDefault();
}
if (!string.IsNullOrWhiteSpace(request.SubtitleCodec))
{
state.SupportedSubtitleCodecs = request.SubtitleCodec.Split(',').Where(i => !string.IsNullOrWhiteSpace(i)).ToArray();
request.SubtitleCodec = state.SupportedSubtitleCodecs.FirstOrDefault(i => _mediaEncoder.CanEncodeToSubtitleCodec(i))
?? state.SupportedSubtitleCodecs.FirstOrDefault();
}
var item = _libraryManager.GetItemById(request.Id);
state.ItemType = item.GetType().Name;
state.IsInputVideo = string.Equals(item.MediaType, MediaType.Video, StringComparison.OrdinalIgnoreCase);
// TODO
// var primaryImage = item.GetImageInfo(ImageType.Primary, 0) ??
// item.Parents.Select(i => i.GetImageInfo(ImageType.Primary, 0)).FirstOrDefault(i => i != null);
// if (primaryImage != null)
// {
// state.AlbumCoverPath = primaryImage.Path;
// }
// TODO network path substition useful ?
var mediaSources = await _mediaSourceManager.GetPlayackMediaSources(item, null, true, true, cancellationToken).ConfigureAwait(false);
var mediaSource = string.IsNullOrEmpty(request.MediaSourceId)
? mediaSources.First()
: mediaSources.First(i => string.Equals(i.Id, request.MediaSourceId));
var videoRequest = state.Options;
encodingHelper.AttachMediaSourceInfo(state, mediaSource, null);
//var container = Path.GetExtension(state.RequestedUrl);
//if (string.IsNullOrEmpty(container))
//{
// container = request.Static ?
// state.InputContainer :
// (Path.GetExtension(GetOutputFilePath(state)) ?? string.Empty).TrimStart('.');
//}
//state.OutputContainer = (container ?? string.Empty).TrimStart('.');
state.OutputAudioBitrate = encodingHelper.GetAudioBitrateParam(state.Options, state.AudioStream);
state.OutputAudioCodec = state.Options.AudioCodec;
state.OutputAudioChannels = encodingHelper.GetNumAudioChannelsParam(state, state.AudioStream, state.OutputAudioCodec);
if (videoRequest != null)
{
state.OutputVideoCodec = state.Options.VideoCodec;
state.OutputVideoBitrate = encodingHelper.GetVideoBitrateParamValue(state.Options, state.VideoStream, state.OutputVideoCodec);
if (state.OutputVideoBitrate.HasValue)
{
var resolution = ResolutionNormalizer.Normalize(
state.VideoStream?.BitRate,
state.VideoStream?.Width,
state.VideoStream?.Height,
state.OutputVideoBitrate.Value,
state.VideoStream?.Codec,
state.OutputVideoCodec,
videoRequest.MaxWidth,
videoRequest.MaxHeight);
videoRequest.MaxWidth = resolution.MaxWidth;
videoRequest.MaxHeight = resolution.MaxHeight;
}
}
ApplyDeviceProfileSettings(state);
if (videoRequest != null)
{
encodingHelper.TryStreamCopy(state);
}
//state.OutputFilePath = GetOutputFilePath(state);
return state;
}
private string InferAudioCodec(string container)
{
var ext = "." + (container ?? string.Empty);
if (string.Equals(ext, ".mp3", StringComparison.OrdinalIgnoreCase))
{
return "mp3";
}
else if (string.Equals(ext, ".aac", StringComparison.OrdinalIgnoreCase))
{
return "aac";
}
else if (string.Equals(ext, ".wma", StringComparison.OrdinalIgnoreCase))
{
return "wma";
}
else if (string.Equals(ext, ".ogg", StringComparison.OrdinalIgnoreCase)
|| string.Equals(ext, ".oga", StringComparison.OrdinalIgnoreCase)
|| string.Equals(ext, ".ogv", StringComparison.OrdinalIgnoreCase)
|| string.Equals(ext, ".webm", StringComparison.OrdinalIgnoreCase)
|| string.Equals(ext, ".webma", StringComparison.OrdinalIgnoreCase))
{
return "vorbis";
}
return "copy";
}
private void ApplyDeviceProfileSettings(EncodingJob state)
{
var profile = state.Options.DeviceProfile;
if (profile == null)
{
// Don't use settings from the default profile.
// Only use a specific profile if it was requested.
return;
}
var audioCodec = state.ActualOutputAudioCodec;
var videoCodec = state.ActualOutputVideoCodec;
var outputContainer = state.Options.Container;
var mediaProfile = state.IsVideoRequest ?
profile.GetAudioMediaProfile(outputContainer, audioCodec, state.OutputAudioChannels, state.OutputAudioBitrate, state.OutputAudioSampleRate, state.OutputAudioBitDepth) :
profile.GetVideoMediaProfile(outputContainer,
audioCodec,
videoCodec,
state.OutputWidth,
state.OutputHeight,
state.TargetVideoBitDepth,
state.OutputVideoBitrate,
state.TargetVideoProfile,
state.TargetVideoLevel,
state.TargetFramerate,
state.TargetPacketLength,
state.TargetTimestamp,
state.IsTargetAnamorphic,
state.IsTargetInterlaced,
state.TargetRefFrames,
state.TargetVideoStreamCount,
state.TargetAudioStreamCount,
state.TargetVideoCodecTag,
state.IsTargetAVC);
if (mediaProfile != null)
{
state.MimeType = mediaProfile.MimeType;
}
var transcodingProfile = state.IsVideoRequest ?
profile.GetAudioTranscodingProfile(outputContainer, audioCodec) :
profile.GetVideoTranscodingProfile(outputContainer, audioCodec, videoCodec);
if (transcodingProfile != null)
{
state.EstimateContentLength = transcodingProfile.EstimateContentLength;
//state.EnableMpegtsM2TsMode = transcodingProfile.EnableMpegtsM2TsMode;
state.TranscodeSeekInfo = transcodingProfile.TranscodeSeekInfo;
state.Options.CopyTimestamps = transcodingProfile.CopyTimestamps;
}
}
}
}
|
