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
|
#pragma warning disable CS1591
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Net.Http;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Common.Configuration;
using MediaBrowser.Common.Net;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Library;
using MediaBrowser.Model.Dto;
using MediaBrowser.Model.IO;
using MediaBrowser.Model.LiveTv;
using MediaBrowser.Model.MediaInfo;
using Microsoft.Extensions.Logging;
namespace Emby.Server.Implementations.LiveTv.TunerHosts
{
public class SharedHttpStream : LiveStream, IDirectStreamProvider
{
private readonly IHttpClientFactory _httpClientFactory;
private readonly IServerApplicationHost _appHost;
public SharedHttpStream(
MediaSourceInfo mediaSource,
TunerHostInfo tunerHostInfo,
string originalStreamId,
IFileSystem fileSystem,
IHttpClientFactory httpClientFactory,
ILogger logger,
IConfigurationManager configurationManager,
IServerApplicationHost appHost,
IStreamHelper streamHelper)
: base(mediaSource, tunerHostInfo, fileSystem, logger, configurationManager, streamHelper)
{
_httpClientFactory = httpClientFactory;
_appHost = appHost;
OriginalStreamId = originalStreamId;
EnableStreamSharing = true;
}
public override async Task Open(CancellationToken openCancellationToken)
{
LiveStreamCancellationTokenSource.Token.ThrowIfCancellationRequested();
var mediaSource = OriginalMediaSource;
var url = mediaSource.Path;
Directory.CreateDirectory(Path.GetDirectoryName(TempFilePath));
var typeName = GetType().Name;
Logger.LogInformation("Opening " + typeName + " Live stream from {0}", url);
using var response = await _httpClientFactory.CreateClient(NamedClient.Default)
.GetAsync(url, HttpCompletionOption.ResponseHeadersRead, CancellationToken.None)
.ConfigureAwait(false);
var extension = "ts";
var requiresRemux = false;
var contentType = response.Content.Headers.ContentType.ToString();
if (contentType.IndexOf("matroska", StringComparison.OrdinalIgnoreCase) != -1)
{
requiresRemux = true;
}
else if (contentType.IndexOf("mp4", StringComparison.OrdinalIgnoreCase) != -1 ||
contentType.IndexOf("dash", StringComparison.OrdinalIgnoreCase) != -1 ||
contentType.IndexOf("mpegURL", StringComparison.OrdinalIgnoreCase) != -1 ||
contentType.IndexOf("text/", StringComparison.OrdinalIgnoreCase) != -1)
{
requiresRemux = true;
}
// Close the stream without any sharing features
if (requiresRemux)
{
using (response)
{
return;
}
}
SetTempFilePath(extension);
var taskCompletionSource = new TaskCompletionSource<bool>();
var now = DateTime.UtcNow;
_ = StartStreaming(response, taskCompletionSource, LiveStreamCancellationTokenSource.Token);
// OpenedMediaSource.Protocol = MediaProtocol.File;
// OpenedMediaSource.Path = tempFile;
// OpenedMediaSource.ReadAtNativeFramerate = true;
MediaSource.Path = _appHost.GetLoopbackHttpApiUrl() + "/LiveTv/LiveStreamFiles/" + UniqueId + "/stream.ts";
MediaSource.Protocol = MediaProtocol.Http;
// OpenedMediaSource.Path = TempFilePath;
// OpenedMediaSource.Protocol = MediaProtocol.File;
// OpenedMediaSource.Path = _tempFilePath;
// OpenedMediaSource.Protocol = MediaProtocol.File;
// OpenedMediaSource.SupportsDirectPlay = false;
// OpenedMediaSource.SupportsDirectStream = true;
// OpenedMediaSource.SupportsTranscoding = true;
await taskCompletionSource.Task.ConfigureAwait(false);
if (taskCompletionSource.Task.Exception != null)
{
// Error happened while opening the stream so raise the exception again to inform the caller
throw taskCompletionSource.Task.Exception;
}
if (!taskCompletionSource.Task.Result)
{
Logger.LogWarning("Zero bytes copied from stream {0} to {1} but no exception raised", GetType().Name, TempFilePath);
throw new EndOfStreamException(String.Format(CultureInfo.InvariantCulture, "Zero bytes copied from stream {0}", GetType().Name));
}
}
private Task StartStreaming(HttpResponseMessage response, TaskCompletionSource<bool> openTaskCompletionSource, CancellationToken cancellationToken)
{
return Task.Run(async () =>
{
try
{
Logger.LogInformation("Beginning {0} stream to {1}", GetType().Name, TempFilePath);
using var message = response;
await using var stream = await response.Content.ReadAsStreamAsync().ConfigureAwait(false);
await using var fileStream = new FileStream(TempFilePath, FileMode.Create, FileAccess.Write, FileShare.Read);
await StreamHelper.CopyToAsync(
stream,
fileStream,
IODefaults.CopyToBufferSize,
() => Resolve(openTaskCompletionSource),
cancellationToken).ConfigureAwait(false);
}
catch (OperationCanceledException ex)
{
Logger.LogInformation("Copying of {0} to {1} was canceled", GetType().Name, TempFilePath);
openTaskCompletionSource.TrySetException(ex);
}
catch (Exception ex)
{
Logger.LogError(ex, "Error copying live stream {0} to {1}.", GetType().Name, TempFilePath);
openTaskCompletionSource.TrySetException(ex);
}
openTaskCompletionSource.TrySetResult(false);
EnableStreamSharing = false;
await DeleteTempFiles(new List<string> { TempFilePath }).ConfigureAwait(false);
});
}
private void Resolve(TaskCompletionSource<bool> openTaskCompletionSource)
{
DateOpened = DateTime.UtcNow;
openTaskCompletionSource.TrySetResult(true);
}
}
}
|
