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
|
using MediaBrowser.Common.IO;
using MediaBrowser.Common.Net;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Devices;
using MediaBrowser.Controller.Dlna;
using MediaBrowser.Controller.Drawing;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.MediaEncoding;
using MediaBrowser.Model.IO;
using MediaBrowser.Model.Serialization;
using ServiceStack;
using System;
using System.IO;
namespace MediaBrowser.Api.Playback.Progressive
{
/// <summary>
/// Class GetVideoStream
/// </summary>
[Route("/Videos/{Id}/stream.ts", "GET")]
[Route("/Videos/{Id}/stream.webm", "GET")]
[Route("/Videos/{Id}/stream.asf", "GET")]
[Route("/Videos/{Id}/stream.wmv", "GET")]
[Route("/Videos/{Id}/stream.ogv", "GET")]
[Route("/Videos/{Id}/stream.mp4", "GET")]
[Route("/Videos/{Id}/stream.m4v", "GET")]
[Route("/Videos/{Id}/stream.mkv", "GET")]
[Route("/Videos/{Id}/stream.mpeg", "GET")]
[Route("/Videos/{Id}/stream.mpg", "GET")]
[Route("/Videos/{Id}/stream.avi", "GET")]
[Route("/Videos/{Id}/stream.m2ts", "GET")]
[Route("/Videos/{Id}/stream.3gp", "GET")]
[Route("/Videos/{Id}/stream.wmv", "GET")]
[Route("/Videos/{Id}/stream.wtv", "GET")]
[Route("/Videos/{Id}/stream.mov", "GET")]
[Route("/Videos/{Id}/stream", "GET")]
[Route("/Videos/{Id}/stream.ts", "HEAD")]
[Route("/Videos/{Id}/stream.webm", "HEAD")]
[Route("/Videos/{Id}/stream.asf", "HEAD")]
[Route("/Videos/{Id}/stream.wmv", "HEAD")]
[Route("/Videos/{Id}/stream.ogv", "HEAD")]
[Route("/Videos/{Id}/stream.mp4", "HEAD")]
[Route("/Videos/{Id}/stream.m4v", "HEAD")]
[Route("/Videos/{Id}/stream.mkv", "HEAD")]
[Route("/Videos/{Id}/stream.mpeg", "HEAD")]
[Route("/Videos/{Id}/stream.mpg", "HEAD")]
[Route("/Videos/{Id}/stream.avi", "HEAD")]
[Route("/Videos/{Id}/stream.3gp", "HEAD")]
[Route("/Videos/{Id}/stream.wmv", "HEAD")]
[Route("/Videos/{Id}/stream.wtv", "HEAD")]
[Route("/Videos/{Id}/stream.m2ts", "HEAD")]
[Route("/Videos/{Id}/stream.mov", "HEAD")]
[Route("/Videos/{Id}/stream", "HEAD")]
[Api(Description = "Gets a video stream")]
public class GetVideoStream : VideoStreamRequest
{
}
/// <summary>
/// Class VideoService
/// </summary>
public class VideoService : BaseProgressiveStreamingService
{
public VideoService(IServerConfigurationManager serverConfig, IUserManager userManager, ILibraryManager libraryManager, IIsoManager isoManager, IMediaEncoder mediaEncoder, IFileSystem fileSystem, IDlnaManager dlnaManager, ISubtitleEncoder subtitleEncoder, IDeviceManager deviceManager, IMediaSourceManager mediaSourceManager, IZipClient zipClient, IJsonSerializer jsonSerializer, IImageProcessor imageProcessor, IHttpClient httpClient) : base(serverConfig, userManager, libraryManager, isoManager, mediaEncoder, fileSystem, dlnaManager, subtitleEncoder, deviceManager, mediaSourceManager, zipClient, jsonSerializer, imageProcessor, httpClient)
{
}
/// <summary>
/// Gets the specified request.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>System.Object.</returns>
public object Get(GetVideoStream request)
{
return ProcessRequest(request, false);
}
/// <summary>
/// Heads the specified request.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>System.Object.</returns>
public object Head(GetVideoStream request)
{
return ProcessRequest(request, true);
}
protected override string GetCommandLineArguments(string outputPath, StreamState state, bool isEncoding)
{
// Get the output codec name
var videoCodec = GetVideoEncoder(state);
var format = string.Empty;
var keyFrame = string.Empty;
if (string.Equals(Path.GetExtension(outputPath), ".mp4", StringComparison.OrdinalIgnoreCase))
{
// Comparison: https://github.com/jansmolders86/mediacenterjs/blob/master/lib/transcoding/desktop.js
format = " -f mp4 -movflags frag_keyframe+empty_moov";
}
var threads = GetNumberOfThreads(state, string.Equals(videoCodec, "libvpx", StringComparison.OrdinalIgnoreCase));
var inputModifier = GetInputModifier(state);
return string.Format("{0} {1}{2} {3} {4} -map_metadata -1 -threads {5} {6}{7} -y \"{8}\"",
inputModifier,
GetInputArgument(state),
keyFrame,
GetMapArgs(state),
GetVideoArguments(state, videoCodec),
threads,
GetAudioArguments(state),
format,
outputPath
).Trim();
}
/// <summary>
/// Gets video arguments to pass to ffmpeg
/// </summary>
/// <param name="state">The state.</param>
/// <param name="codec">The video codec.</param>
/// <returns>System.String.</returns>
private string GetVideoArguments(StreamState state, string codec)
{
var args = "-codec:v:0 " + codec;
if (state.EnableMpegtsM2TsMode)
{
args += " -mpegts_m2ts_mode 1";
}
// See if we can save come cpu cycles by avoiding encoding
if (codec.Equals("copy", StringComparison.OrdinalIgnoreCase))
{
return state.VideoStream != null && IsH264(state.VideoStream) && string.Equals(state.OutputContainer, "ts", StringComparison.OrdinalIgnoreCase) ?
args + " -bsf:v h264_mp4toannexb" :
args;
}
var keyFrameArg = string.Format(" -force_key_frames expr:gte(t,n_forced*{0})",
5.ToString(UsCulture));
args += keyFrameArg;
var hasGraphicalSubs = state.SubtitleStream != null && !state.SubtitleStream.IsTextSubtitleStream;
// Add resolution params, if specified
if (!hasGraphicalSubs)
{
args += GetOutputSizeParam(state, codec);
}
var qualityParam = GetVideoQualityParam(state, codec, false);
if (!string.IsNullOrEmpty(qualityParam))
{
args += " " + qualityParam.Trim();
}
// This is for internal graphical subs
if (hasGraphicalSubs)
{
args += GetGraphicalSubtitleParam(state, codec);
}
return args;
}
/// <summary>
/// Gets audio arguments to pass to ffmpeg
/// </summary>
/// <param name="state">The state.</param>
/// <returns>System.String.</returns>
private string GetAudioArguments(StreamState state)
{
// If the video doesn't have an audio stream, return a default.
if (state.AudioStream == null && state.VideoStream != null)
{
return string.Empty;
}
// Get the output codec name
var codec = GetAudioEncoder(state);
var args = "-codec:a:0 " + codec;
if (string.Equals(codec, "copy", StringComparison.OrdinalIgnoreCase))
{
return args;
}
// Add the number of audio channels
var channels = state.OutputAudioChannels;
if (channels.HasValue)
{
args += " -ac " + channels.Value;
}
var bitrate = state.OutputAudioBitrate;
if (bitrate.HasValue)
{
args += " -ab " + bitrate.Value.ToString(UsCulture);
}
args += " " + GetAudioFilterParam(state, false);
return args;
}
}
}
|
