using System; using System.Collections.Generic; using System.IO; using System.Threading; using System.Threading.Tasks; 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 IHttpClient _httpClient; private readonly IServerApplicationHost _appHost; public SharedHttpStream(MediaSourceInfo mediaSource, TunerHostInfo tunerHostInfo, string originalStreamId, IFileSystem fileSystem, IHttpClient httpClient, ILogger logger, IServerApplicationPaths appPaths, IServerApplicationHost appHost) : base(mediaSource, tunerHostInfo, fileSystem, logger, appPaths) { _httpClient = httpClient; _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); var httpRequestOptions = new HttpRequestOptions { Url = url, CancellationToken = CancellationToken.None, BufferContent = false, DecompressionMethod = CompressionMethod.None }; foreach (var header in mediaSource.RequiredHttpHeaders) { httpRequestOptions.RequestHeaders[header.Key] = header.Value; } var response = await _httpClient.SendAsync(httpRequestOptions, "GET").ConfigureAwait(false); var extension = "ts"; var requiresRemux = false; var contentType = response.ContentType ?? string.Empty; 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(); var now = DateTime.UtcNow; _ = StartStreaming(response, taskCompletionSource, LiveStreamCancellationTokenSource.Token); //OpenedMediaSource.Protocol = MediaProtocol.File; //OpenedMediaSource.Path = tempFile; //OpenedMediaSource.ReadAtNativeFramerate = true; MediaSource.Path = _appHost.GetLocalApiUrl("127.0.0.1") + "/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); } private Task StartStreaming(HttpResponseInfo response, TaskCompletionSource openTaskCompletionSource, CancellationToken cancellationToken) { return Task.Run(async () => { try { Logger.LogInformation("Beginning {0} stream to {1}", GetType().Name, TempFilePath); using (response) using (var stream = response.Content) using (var fileStream = FileSystem.GetFileStream(TempFilePath, FileOpenMode.Create, FileAccessMode.Write, FileShareMode.Read, FileOpenOptions.None)) { await ApplicationHost.StreamHelper.CopyToAsync(stream, fileStream, 81920, () => Resolve(openTaskCompletionSource), cancellationToken).ConfigureAwait(false); } } catch (OperationCanceledException) { } catch (Exception ex) { Logger.LogError(ex, "Error copying live stream."); } EnableStreamSharing = false; await DeleteTempFiles(new List { TempFilePath }).ConfigureAwait(false); }); } private void Resolve(TaskCompletionSource openTaskCompletionSource) { DateOpened = DateTime.UtcNow; openTaskCompletionSource.TrySetResult(true); } } }