jellyfin-server/Emby.Server.Implementations/LiveTv/TunerHosts/SharedHttpStream.cs

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using System;
using System.Collections.Generic;
using System.IO;
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using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Common.Net;
using MediaBrowser.Controller;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Model.Dto;
using MediaBrowser.Model.IO;
using MediaBrowser.Model.LiveTv;
using MediaBrowser.Model.MediaInfo;
using Microsoft.Extensions.Logging;
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namespace Emby.Server.Implementations.LiveTv.TunerHosts
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{
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public class SharedHttpStream : LiveStream, IDirectStreamProvider
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{
private readonly IHttpClient _httpClient;
private readonly IServerApplicationHost _appHost;
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public SharedHttpStream(MediaSourceInfo mediaSource, TunerHostInfo tunerHostInfo, string originalStreamId, IFileSystem fileSystem, IHttpClient httpClient, ILogger logger, IServerApplicationPaths appPaths, IServerApplicationHost appHost)
: base(mediaSource, tunerHostInfo, fileSystem, logger, appPaths)
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{
_httpClient = httpClient;
_appHost = appHost;
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OriginalStreamId = originalStreamId;
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EnableStreamSharing = true;
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}
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public override async Task Open(CancellationToken openCancellationToken)
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{
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LiveStreamCancellationTokenSource.Token.ThrowIfCancellationRequested();
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var mediaSource = OriginalMediaSource;
var url = mediaSource.Path;
Directory.CreateDirectory(Path.GetDirectoryName(TempFilePath));
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var typeName = GetType().Name;
Logger.LogInformation("Opening " + typeName + " Live stream from {0}", url);
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var httpRequestOptions = new HttpRequestOptions
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{
Url = url,
CancellationToken = CancellationToken.None,
BufferContent = false,
// Increase a little bit
TimeoutMs = 30000,
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EnableHttpCompression = false,
LogResponse = true,
LogResponseHeaders = true
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};
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foreach (var header in mediaSource.RequiredHttpHeaders)
{
httpRequestOptions.RequestHeaders[header.Key] = header.Value;
}
var response = await _httpClient.SendAsync(httpRequestOptions, "GET").ConfigureAwait(false);
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var extension = "ts";
var requiresRemux = false;
var contentType = response.ContentType ?? string.Empty;
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if (contentType.IndexOf("matroska", StringComparison.OrdinalIgnoreCase) != -1)
{
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requiresRemux = true;
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}
else if (contentType.IndexOf("mp4", StringComparison.OrdinalIgnoreCase) != -1 ||
contentType.IndexOf("dash", StringComparison.OrdinalIgnoreCase) != -1 ||
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contentType.IndexOf("mpegURL", StringComparison.OrdinalIgnoreCase) != -1 ||
contentType.IndexOf("text/", StringComparison.OrdinalIgnoreCase) != -1)
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{
requiresRemux = true;
}
// Close the stream without any sharing features
if (requiresRemux)
{
using (response)
{
return;
}
}
SetTempFilePath(extension);
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var taskCompletionSource = new TaskCompletionSource<bool>();
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var now = DateTime.UtcNow;
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var _ = StartStreaming(response, taskCompletionSource, LiveStreamCancellationTokenSource.Token);
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//OpenedMediaSource.Protocol = MediaProtocol.File;
//OpenedMediaSource.Path = tempFile;
//OpenedMediaSource.ReadAtNativeFramerate = true;
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MediaSource.Path = _appHost.GetLocalApiUrl("127.0.0.1") + "/LiveTv/LiveStreamFiles/" + UniqueId + "/stream.ts";
MediaSource.Protocol = MediaProtocol.Http;
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//OpenedMediaSource.Path = TempFilePath;
//OpenedMediaSource.Protocol = MediaProtocol.File;
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//OpenedMediaSource.Path = _tempFilePath;
//OpenedMediaSource.Protocol = MediaProtocol.File;
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//OpenedMediaSource.SupportsDirectPlay = false;
//OpenedMediaSource.SupportsDirectStream = true;
//OpenedMediaSource.SupportsTranscoding = true;
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await taskCompletionSource.Task.ConfigureAwait(false);
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}
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private Task StartStreaming(HttpResponseInfo response, TaskCompletionSource<bool> openTaskCompletionSource, CancellationToken cancellationToken)
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{
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return Task.Run(async () =>
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{
try
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{
Logger.LogInformation("Beginning {0} stream to {1}", GetType().Name, TempFilePath);
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using (response)
using (var stream = response.Content)
using (var fileStream = FileSystem.GetFileStream(TempFilePath, FileOpenMode.Create, FileAccessMode.Write, FileShareMode.Read, FileOpenOptions.None))
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{
await ApplicationHost.StreamHelper.CopyToAsync(stream, fileStream, 81920, () => Resolve(openTaskCompletionSource), cancellationToken).ConfigureAwait(false);
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}
}
catch (OperationCanceledException)
{
}
catch (Exception ex)
{
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Logger.LogError(ex, "Error copying live stream.");
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}
EnableStreamSharing = false;
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await DeleteTempFiles(new List<string> { TempFilePath }).ConfigureAwait(false);
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});
}
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private void Resolve(TaskCompletionSource<bool> openTaskCompletionSource)
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{
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DateOpened = DateTime.UtcNow;
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openTaskCompletionSource.TrySetResult(true);
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}
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}
}