From 8eb4964599d8dcb9b6bbd178b4794d1a69504368 Mon Sep 17 00:00:00 2001 From: Shadowghost Date: Wed, 2 Sep 2026 09:29:48 +0200 Subject: Never treat a manifest container as an audio codec or a direct play target --- .../MediaEncoding/EncodingHelper.cs | 6 +- MediaBrowser.Model/Dlna/StreamBuilder.cs | 10 ++ src/Jellyfin.LiveTv/TunerHosts/M3UTunerHost.cs | 26 +++++- .../EncodingHelperInferAudioCodecTests.cs | 40 ++++++++ tests/Jellyfin.LiveTv.Tests/M3UTunerHostTests.cs | 72 ++++++++++++++ .../Dlna/StreamBuilderManifestContainerTests.cs | 104 +++++++++++++++++++++ 6 files changed, 256 insertions(+), 2 deletions(-) create mode 100644 tests/Jellyfin.Controller.Tests/MediaEncoding/EncodingHelperInferAudioCodecTests.cs create mode 100644 tests/Jellyfin.LiveTv.Tests/M3UTunerHostTests.cs create mode 100644 tests/Jellyfin.Model.Tests/Dlna/StreamBuilderManifestContainerTests.cs diff --git a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs index 10c21ee03c..274e82d823 100644 --- a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs +++ b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs @@ -695,7 +695,11 @@ namespace MediaBrowser.Controller.MediaEncoding "ogg" or "oga" or "ogv" or "webm" or "webma" => "opus", "m4a" or "m4b" or "mp4" or "mov" or "mkv" or "mka" => "aac", "ts" or "avi" or "flv" or "f4v" or "swf" => "mp3", - _ => inferredCodec + // Containers that share their name with the codec they carry. + "aac" or "ac3" or "alac" or "dts" or "eac3" or "flac" or "mp2" or "mp3" or "opus" or "truehd" or "vorbis" => inferredCodec, + // Anything else - manifests such as m3u8/mpd in particular - names a container that + // is not an audio codec. Never hand that name to ffmpeg as an encoder. + _ => "aac" }; } diff --git a/MediaBrowser.Model/Dlna/StreamBuilder.cs b/MediaBrowser.Model/Dlna/StreamBuilder.cs index ab8d5dd5b2..4799ed5410 100644 --- a/MediaBrowser.Model/Dlna/StreamBuilder.cs +++ b/MediaBrowser.Model/Dlna/StreamBuilder.cs @@ -26,6 +26,8 @@ namespace MediaBrowser.Model.Dlna internal const TranscodeReason VideoReasons = TranscodeReason.VideoCodecNotSupported | VideoCodecReasons; internal const TranscodeReason DirectStreamReasons = AudioReasons | TranscodeReason.ContainerNotSupported | TranscodeReason.VideoCodecTagNotSupported; + private const string ManifestContainers = "hls,applehttp,dash"; + private readonly ILogger _logger; private readonly ITranscoderSupport _transcoderSupport; private static readonly string[] _supportedHlsVideoCodecs = ["h264", "hevc", "vp9", "av1"]; @@ -718,6 +720,14 @@ namespace MediaBrowser.Model.Dlna isEligibleForDirectPlay = false; } + // A manifest is not a byte stream, so it cannot be handed to the client as one. The variant + // and segment URIs inside it are relative to the origin and do not resolve against the + // Jellyfin url the client would fetch it from. + if (ContainerHelper.ContainsContainer(ManifestContainers, item.Container)) + { + isEligibleForDirectPlay = false; + } + if (bitrateLimitExceeded) { transcodeReasons = TranscodeReason.ContainerBitrateExceedsLimit; diff --git a/src/Jellyfin.LiveTv/TunerHosts/M3UTunerHost.cs b/src/Jellyfin.LiveTv/TunerHosts/M3UTunerHost.cs index fb606be0ef..902ca76af8 100644 --- a/src/Jellyfin.LiveTv/TunerHosts/M3UTunerHost.cs +++ b/src/Jellyfin.LiveTv/TunerHosts/M3UTunerHost.cs @@ -32,6 +32,7 @@ namespace Jellyfin.LiveTv.TunerHosts { private static readonly string[] _mimeTypesCanShareHttpStream = ["video/MP2T"]; private static readonly string[] _extensionsCanShareHttpStream = [".ts", ".tsv", ".m2t"]; + private static readonly string[] _manifestExtensions = [".m3u8", ".m3u", ".mpd"]; private readonly IHttpClientFactory _httpClientFactory; private readonly IServerApplicationHost _appHost; @@ -151,11 +152,20 @@ namespace Jellyfin.LiveTv.TunerHosts var protocol = _mediaSourceManager.GetPathProtocol(path); var isRemote = true; - if (Uri.TryCreate(path, UriKind.Absolute, out var uri)) + Uri.TryCreate(path, UriKind.Absolute, out var uri); + if (uri is not null) { isRemote = !_networkManager.IsInLocalNetwork(uri.Host); } + // A manifest is not a byte stream. Serving one directly hands the client a playlist whose + // variant and segment URIs are relative to the origin, and those do not resolve against the + // Jellyfin url the client fetched it from. Remux or transcode these instead. + if (IsManifest(path, uri)) + { + supportsDirectPlay = false; + } + var httpHeaders = new Dictionary(); if (protocol == MediaProtocol.Http) @@ -210,6 +220,20 @@ namespace Jellyfin.LiveTv.TunerHosts return mediaSource; } + /// + /// Determines whether a channel path points at an HLS or DASH manifest rather than at a byte stream. + /// + /// The channel path. + /// The channel path parsed as an absolute uri, or null if it is not one. + /// true if the path names a streaming manifest. + private static bool IsManifest(string path, Uri uri) + { + // Use the uri path when there is one so that a query string does not hide the extension. + var extension = Path.GetExtension(uri is null ? path : uri.AbsolutePath); + + return _manifestExtensions.Contains(extension, StringComparison.OrdinalIgnoreCase); + } + public Task> DiscoverDevices(int discoveryDurationMs, CancellationToken cancellationToken) { return Task.FromResult(new List()); diff --git a/tests/Jellyfin.Controller.Tests/MediaEncoding/EncodingHelperInferAudioCodecTests.cs b/tests/Jellyfin.Controller.Tests/MediaEncoding/EncodingHelperInferAudioCodecTests.cs new file mode 100644 index 0000000000..586db2dd50 --- /dev/null +++ b/tests/Jellyfin.Controller.Tests/MediaEncoding/EncodingHelperInferAudioCodecTests.cs @@ -0,0 +1,40 @@ +using MediaBrowser.Common.Configuration; +using MediaBrowser.Controller.IO; +using MediaBrowser.Controller.MediaEncoding; +using Moq; +using Xunit; +using IConfiguration = Microsoft.Extensions.Configuration.IConfiguration; + +namespace Jellyfin.Controller.Tests.MediaEncoding; + +public class EncodingHelperInferAudioCodecTests +{ + [Theory] + // Manifests and other containers that carry no inferable audio codec. + [InlineData("m3u8", "aac")] + [InlineData("mpd", "aac")] + [InlineData("wtv", "aac")] + [InlineData("", "aac")] + // Containers with a well known audio codec. + [InlineData("mp4", "aac")] + [InlineData("mkv", "aac")] + [InlineData("webm", "opus")] + [InlineData("ts", "mp3")] + // Containers named after the codec they carry. + [InlineData("flac", "flac")] + [InlineData("opus", "opus")] + [InlineData("ac3", "ac3")] + public void InferAudioCodec_ReturnsAnAudioCodec(string container, string expected) + { + Assert.Equal(expected, Create().InferAudioCodec(container)); + } + + private static EncodingHelper Create() + => new( + Mock.Of(), + Mock.Of(), + Mock.Of(), + Mock.Of(), + Mock.Of(), + Mock.Of()); +} diff --git a/tests/Jellyfin.LiveTv.Tests/M3UTunerHostTests.cs b/tests/Jellyfin.LiveTv.Tests/M3UTunerHostTests.cs new file mode 100644 index 0000000000..4487a5ff2b --- /dev/null +++ b/tests/Jellyfin.LiveTv.Tests/M3UTunerHostTests.cs @@ -0,0 +1,72 @@ +using System.Collections.Generic; +using System.Net.Http; +using System.Threading; +using System.Threading.Tasks; +using Jellyfin.LiveTv.TunerHosts; +using MediaBrowser.Common.Net; +using MediaBrowser.Controller; +using MediaBrowser.Controller.Configuration; +using MediaBrowser.Controller.Library; +using MediaBrowser.Controller.LiveTv; +using MediaBrowser.Model.Dto; +using MediaBrowser.Model.IO; +using MediaBrowser.Model.LiveTv; +using MediaBrowser.Model.MediaInfo; +using Microsoft.Extensions.Logging; +using Moq; +using Xunit; + +namespace Jellyfin.LiveTv.Tests +{ + public class M3UTunerHostTests + { + [Theory] + // A manifest is not a byte stream, so it must never be offered for direct play. + [InlineData("http://example.com/live/1234.m3u8", false)] + [InlineData("http://example.com/live/1234.m3u8?token=abc", false)] + [InlineData("http://example.com/live/1234.mpd", false)] + // Byte streams are unaffected. + [InlineData("http://example.com/live/1234.ts", true)] + [InlineData("http://example.com/live/1234", true)] + public async Task GetChannelStreamMediaSources_ManifestPath_DisablesDirectPlay(string path, bool expectDirectPlay) + { + var mediaSourceManager = new Mock(); + mediaSourceManager.Setup(x => x.GetPathProtocol(It.IsAny())).Returns(MediaProtocol.Http); + + var host = new TestableM3UTunerHost( + Mock.Of(), + mediaSourceManager.Object, + Mock.Of>(), + Mock.Of(), + Mock.Of(), + Mock.Of(), + Mock.Of(), + Mock.Of()); + + var sources = await host.GetMediaSources( + new TunerHostInfo { TunerCount = 0, EnableStreamLooping = false }, + new ChannelInfo { Path = path }); + + Assert.Equal(expectDirectPlay, sources[0].SupportsDirectPlay); + } + + private sealed class TestableM3UTunerHost : M3UTunerHost + { + public TestableM3UTunerHost( + IServerConfigurationManager config, + IMediaSourceManager mediaSourceManager, + ILogger logger, + IFileSystem fileSystem, + IHttpClientFactory httpClientFactory, + IServerApplicationHost appHost, + INetworkManager networkManager, + IStreamHelper streamHelper) + : base(config, mediaSourceManager, logger, fileSystem, httpClientFactory, appHost, networkManager, streamHelper) + { + } + + public Task> GetMediaSources(TunerHostInfo tuner, ChannelInfo channel) + => GetChannelStreamMediaSources(tuner, channel, CancellationToken.None); + } + } +} diff --git a/tests/Jellyfin.Model.Tests/Dlna/StreamBuilderManifestContainerTests.cs b/tests/Jellyfin.Model.Tests/Dlna/StreamBuilderManifestContainerTests.cs new file mode 100644 index 0000000000..dfd1eb2e85 --- /dev/null +++ b/tests/Jellyfin.Model.Tests/Dlna/StreamBuilderManifestContainerTests.cs @@ -0,0 +1,104 @@ +using System; +using Jellyfin.Data.Enums; +using MediaBrowser.Model.Dlna; +using MediaBrowser.Model.Dto; +using MediaBrowser.Model.Entities; +using MediaBrowser.Model.MediaInfo; +using MediaBrowser.Model.Session; +using Microsoft.Extensions.Logging.Abstractions; +using Moq; +using Xunit; + +namespace Jellyfin.Model.Tests.Dlna; + +public class StreamBuilderManifestContainerTests +{ + [Theory] + // A manifest describes a stream instead of carrying one, so it can never be direct played, + // even when the client claims to support the container. + [InlineData("hls")] + [InlineData("hls,applehttp")] + [InlineData("applehttp")] + [InlineData("dash")] + public void GetOptimalVideoStream_ManifestContainer_DoesNotDirectPlay(string container) + { + var streamInfo = BuildFor(container); + + Assert.NotNull(streamInfo); + Assert.Equal(PlayMethod.Transcode, streamInfo.PlayMethod); + } + + [Fact] + public void GetOptimalVideoStream_ByteStreamContainer_StillDirectPlays() + { + var streamInfo = BuildFor("mp4"); + + Assert.NotNull(streamInfo); + Assert.Equal(PlayMethod.DirectPlay, streamInfo.PlayMethod); + } + + private static StreamInfo? BuildFor(string container) + { + var mediaSource = new MediaSourceInfo + { + Id = "test-source", + Path = "http://example.com/live/channel", + Protocol = MediaProtocol.Http, + Container = container, + SupportsDirectPlay = true, + SupportsDirectStream = true, + SupportsTranscoding = true, + IsInfiniteStream = true, + IsRemote = true, + MediaStreams = + [ + new MediaStream { Type = MediaStreamType.Video, Index = 0, Codec = "h264" }, + new MediaStream { Type = MediaStreamType.Audio, Index = 1, Codec = "aac" } + ] + }; + + var profile = new DeviceProfile + { + Name = "Manifest aware client", + DirectPlayProfiles = + [ + new DirectPlayProfile + { + Type = DlnaProfileType.Video, + Container = "mp4,hls,applehttp,dash", + VideoCodec = "h264", + AudioCodec = "aac" + } + ], + TranscodingProfiles = + [ + new TranscodingProfile + { + Type = DlnaProfileType.Video, + Context = EncodingContext.Streaming, + Protocol = MediaStreamProtocol.hls, + Container = "ts", + VideoCodec = "h264", + AudioCodec = "aac" + } + ] + }; + + var options = new MediaOptions + { + ItemId = new Guid("11D229B7-2D48-4B95-9F9B-49F6AB75E613"), + MediaSourceId = mediaSource.Id, + MediaSources = [mediaSource], + DeviceId = "test-deviceId", + Profile = profile, + AllowAudioStreamCopy = true, + AllowVideoStreamCopy = true, + EnableDirectStream = false // This is disabled in server + }; + + var transcodeSupport = new Mock(); + + return new StreamBuilder(transcodeSupport.Object, new NullLogger()) + .GetOptimalVideoStream(options); + } +} -- cgit v1.2.3