support sharing m3u tuner streams

2025-12-17 06:23:03 +03:00 · 2017-11-14 02:41:21 -05:00
parent 2c6cbb33ee
commit 2f758676d0
10 changed files with 78 additions and 19 deletions
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/SharedHttpStream.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/SharedHttpStream.cs
@@ -0,0 +1,145 @@
+using System;
+using System.IO;
+using System.Threading;
+using System.Threading.Tasks;
+using Emby.Server.Implementations.IO;
+using MediaBrowser.Model.IO;
+using MediaBrowser.Common.Net;
+using MediaBrowser.Controller;
+using MediaBrowser.Controller.LiveTv;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Model.Dto;
+using MediaBrowser.Model.Logging;
+using MediaBrowser.Model.MediaInfo;
+using MediaBrowser.Model.System;
+using System.Globalization;
+using MediaBrowser.Controller.IO;
+
+namespace Emby.Server.Implementations.LiveTv.TunerHosts
+{
+    public class SharedHttpStream : LiveStream, IDirectStreamProvider
+    {
+        private readonly IHttpClient _httpClient;
+        private readonly IServerApplicationHost _appHost;
+
+        public SharedHttpStream(MediaSourceInfo mediaSource, string originalStreamId, IFileSystem fileSystem, IHttpClient httpClient, ILogger logger, IServerApplicationPaths appPaths, IServerApplicationHost appHost, IEnvironmentInfo environment)
+            : base(mediaSource, environment, 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;
+
+            FileSystem.CreateDirectory(FileSystem.GetDirectoryName(TempFilePath));
+
+            var typeName = GetType().Name;
+            Logger.Info("Opening " + typeName + " Live stream from {0}", url);
+
+            var response = await _httpClient.SendAsync(new HttpRequestOptions
+            {
+                Url = url,
+                CancellationToken = CancellationToken.None,
+                BufferContent = false,
+
+                // Increase a little bit
+                TimeoutMs = 30000,
+
+                EnableHttpCompression = false,
+
+                LogResponse = true,
+                LogResponseHeaders = true
+
+            }, "GET").ConfigureAwait(false);
+
+            var extension = "ts";
+            var requiresRemux = false;
+
+            var contentType = response.ContentType ?? string.Empty;
+            if (contentType.IndexOf("mp4", StringComparison.OrdinalIgnoreCase) != -1 || 
+                contentType.IndexOf("matroska", StringComparison.OrdinalIgnoreCase) != -1 || 
+                contentType.IndexOf("dash", StringComparison.OrdinalIgnoreCase) != -1 ||
+                contentType.IndexOf("mpegURL", StringComparison.OrdinalIgnoreCase) != -1)
+            {
+                requiresRemux = true;
+            }
+
+            // Close the stream without any sharing features
+            if (requiresRemux)
+            {
+                using (response)
+                {
+                    return;
+                }
+            }
+
+            SetTempFilePath(extension);
+
+            var taskCompletionSource = new TaskCompletionSource<bool>();
+            StartStreaming(response, taskCompletionSource, LiveStreamCancellationTokenSource.Token);
+
+            //OpenedMediaSource.Protocol = MediaProtocol.File;
+            //OpenedMediaSource.Path = tempFile;
+            //OpenedMediaSource.ReadAtNativeFramerate = true;
+
+            OpenedMediaSource.Path = _appHost.GetLocalApiUrl("127.0.0.1") + "/LiveTv/LiveStreamFiles/" + UniqueId + "/stream.ts";
+            OpenedMediaSource.Protocol = MediaProtocol.Http;
+
+            //OpenedMediaSource.Path = _tempFilePath;
+            //OpenedMediaSource.Protocol = MediaProtocol.File;
+            //OpenedMediaSource.SupportsDirectPlay = false;
+            //OpenedMediaSource.SupportsDirectStream = true;
+            //OpenedMediaSource.SupportsTranscoding = true;
+            await taskCompletionSource.Task.ConfigureAwait(false);
+        }
+
+        protected override void CloseInternal()
+        {
+            LiveStreamCancellationTokenSource.Cancel();
+        }
+
+        private Task StartStreaming(HttpResponseInfo response, TaskCompletionSource<bool> openTaskCompletionSource, CancellationToken cancellationToken)
+        {
+            return Task.Run(async () =>
+            {
+                try
+                {
+                    using (response)
+                    {
+                        using (var stream = response.Content)
+                        {
+                            Logger.Info("Beginning {0} stream to {1}", GetType().Name, TempFilePath);
+
+                            using (var fileStream = FileSystem.GetFileStream(TempFilePath, FileOpenMode.Create, FileAccessMode.Write, FileShareMode.Read, FileOpenOptions.None))
+                            {
+                                StreamHelper.CopyTo(stream, fileStream, 81920, () => Resolve(openTaskCompletionSource), cancellationToken);
+                            }
+                        }
+                    }
+                }
+                catch (OperationCanceledException)
+                {
+                }
+                catch (Exception ex)
+                {
+                    Logger.ErrorException("Error copying live stream.", ex);
+                }
+                EnableStreamSharing = false;
+                await DeleteTempFile(TempFilePath).ConfigureAwait(false);
+            });
+        }
+
+        private void Resolve(TaskCompletionSource<bool> openTaskCompletionSource)
+        {
+            openTaskCompletionSource.TrySetResult(true);
+        }
+    }
+}