merge branch 'master' into syncplay-clear-queue

14 files changed, 756 insertions, 125 deletions

diff --git a/tests/Jellyfin.MediaEncoding.Tests/EncoderValidatorTests.cs b/tests/Jellyfin.MediaEncoding.Tests/EncoderValidatorTests.cs
index 39fd8afda1..d1854a3c86 100644
--- a/tests/Jellyfin.MediaEncoding.Tests/EncoderValidatorTests.cs
+++ b/tests/Jellyfin.MediaEncoding.Tests/EncoderValidatorTests.cs
@@ -9,15 +9,18 @@ namespace Jellyfin.MediaEncoding.Tests
 {
     public class EncoderValidatorTests
     {
+        private readonly EncoderValidator _encoderValidator = new EncoderValidator(new NullLogger<EncoderValidatorTests>(), "ffmpeg");
+
         [Theory]
         [ClassData(typeof(GetFFmpegVersionTestData))]
         public void GetFFmpegVersionTest(string versionOutput, Version? version)
         {
-            var val = new EncoderValidator(new NullLogger<EncoderValidatorTests>());
-            Assert.Equal(version, val.GetFFmpegVersion(versionOutput));
+            Assert.Equal(version, _encoderValidator.GetFFmpegVersionInternal(versionOutput));
         }
 
         [Theory]
+        [InlineData(EncoderValidatorTestsData.FFmpegV44Output, true)]
+        [InlineData(EncoderValidatorTestsData.FFmpegV432Output, true)]
         [InlineData(EncoderValidatorTestsData.FFmpegV431Output, true)]
         [InlineData(EncoderValidatorTestsData.FFmpegV43Output, true)]
         [InlineData(EncoderValidatorTestsData.FFmpegV421Output, true)]
@@ -28,14 +31,15 @@ namespace Jellyfin.MediaEncoding.Tests
         [InlineData(EncoderValidatorTestsData.FFmpegGitUnknownOutput, false)]
         public void ValidateVersionInternalTest(string versionOutput, bool valid)
         {
-            var val = new EncoderValidator(new NullLogger<EncoderValidatorTests>());
-            Assert.Equal(valid, val.ValidateVersionInternal(versionOutput));
+            Assert.Equal(valid, _encoderValidator.ValidateVersionInternal(versionOutput));
         }
 
         private class GetFFmpegVersionTestData : IEnumerable<object?[]>
         {
             public IEnumerator<object?[]> GetEnumerator()
             {
+                yield return new object?[] { EncoderValidatorTestsData.FFmpegV44Output, new Version(4, 4) };
+                yield return new object?[] { EncoderValidatorTestsData.FFmpegV432Output, new Version(4, 3, 2) };
                 yield return new object?[] { EncoderValidatorTestsData.FFmpegV431Output, new Version(4, 3, 1) };
                 yield return new object?[] { EncoderValidatorTestsData.FFmpegV43Output, new Version(4, 3) };
                 yield return new object?[] { EncoderValidatorTestsData.FFmpegV421Output, new Version(4, 2, 1) };
diff --git a/tests/Jellyfin.MediaEncoding.Tests/EncoderValidatorTestsData.cs b/tests/Jellyfin.MediaEncoding.Tests/EncoderValidatorTestsData.cs
index 9f5bef9a88..02bf046ed1 100644
--- a/tests/Jellyfin.MediaEncoding.Tests/EncoderValidatorTestsData.cs
+++ b/tests/Jellyfin.MediaEncoding.Tests/EncoderValidatorTestsData.cs
@@ -2,6 +2,30 @@ namespace Jellyfin.MediaEncoding.Tests
 {
     internal static class EncoderValidatorTestsData
     {
+        public const string FFmpegV44Output = @"ffmpeg version 4.4-Jellyfin Copyright (c) 2000-2021 the FFmpeg developers
+built with gcc 10.3.0 (Rev5, Built by MSYS2 project)
+configuration:  --disable-static --enable-shared --extra-version=Jellyfin --disable-ffplay --disable-debug --enable-gpl --enable-version3 --enable-bzlib --enable-iconv --enable-lzma --enable-zlib --enable-sdl2 --enable-fontconfig --enable-gmp --enable-libass --enable-libzimg --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis --enable-libwebp --enable-libvpx --enable-libx264 --enable-libx265 --enable-libdav1d --enable-opencl --enable-dxva2 --enable-d3d11va --enable-amf --enable-libmfx --enable-cuda --enable-cuda-llvm --enable-cuvid --enable-nvenc --enable-nvdec --enable-ffnvcodec --enable-gnutls
+libavutil      56. 70.100 / 56. 70.100
+libavcodec     58.134.100 / 58.134.100
+libavformat    58. 76.100 / 58. 76.100
+libavdevice    58. 13.100 / 58. 13.100
+libavfilter     7.110.100 /  7.110.100
+libswscale      5.  9.100 /  5.  9.100
+libswresample   3.  9.100 /  3.  9.100
+libpostproc    55.  9.100 / 55.  9.100";
+
+        public const string FFmpegV432Output = @"ffmpeg version n4.3.2-Jellyfin Copyright (c) 2000-2021 the FFmpeg developers
+built with gcc 10.2.0 (Rev9, Built by MSYS2 project)
+configuration:  --disable-static --enable-shared --cc='ccache gcc' --cxx='ccache g++' --extra-version=Jellyfin --disable-ffplay --disable-debug --enable-lto --enable-gpl --enable-version3 --enable-bzlib --enable-iconv --enable-lzma --enable-zlib --enable-sdl2 --enable-fontconfig --enable-gmp --enable-libass --enable-libzimg --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis --enable-libwebp --enable-libvpx --enable-libx264 --enable-libx265 --enable-libdav1d --enable-opencl --enable-dxva2 --enable-d3d11va --enable-amf --enable-libmfx --enable-cuda --enable-cuda-llvm --enable-cuvid --enable-nvenc --enable-nvdec --enable-ffnvcodec --enable-gnutls
+libavutil      56. 51.100 / 56. 51.100
+libavcodec     58. 91.100 / 58. 91.100
+libavformat    58. 45.100 / 58. 45.100
+libavdevice    58. 10.100 / 58. 10.100
+libavfilter     7. 85.100 /  7. 85.100
+libswscale      5.  7.100 /  5.  7.100
+libswresample   3.  7.100 /  3.  7.100
+libpostproc    55.  7.100 / 55.  7.100";
+
         public const string FFmpegV431Output = @"ffmpeg version n4.3.1 Copyright (c) 2000-2020 the FFmpeg developers
 built with gcc 10.1.0 (GCC)
 configuration: --prefix=/usr --disable-debug --disable-static --disable-stripping --enable-avisynth --enable-fontconfig --enable-gmp --enable-gnutls --enable-gpl --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libdav1d --enable-libdrm --enable-libfreetype --enable-libfribidi --enable-libgsm --enable-libiec61883 --enable-libjack --enable-libmfx --enable-libmodplug --enable-libmp3lame --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-librav1e --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libssh --enable-libtheora --enable-libv4l2 --enable-libvidstab --enable-libvmaf --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxcb --enable-libxml2 --enable-libxvid --enable-nvdec --enable-nvenc --enable-omx --enable-shared --enable-version3
diff --git a/tests/Jellyfin.MediaEncoding.Tests/FFprobeParserTests.cs b/tests/Jellyfin.MediaEncoding.Tests/FFprobeParserTests.cs
index c39ef0ce99..2955104a27 100644
--- a/tests/Jellyfin.MediaEncoding.Tests/FFprobeParserTests.cs
+++ b/tests/Jellyfin.MediaEncoding.Tests/FFprobeParserTests.cs
@@ -1,7 +1,7 @@
 using System.IO;
 using System.Text.Json;
 using System.Threading.Tasks;
-using MediaBrowser.Common.Json;
+using Jellyfin.Extensions.Json;
 using MediaBrowser.MediaEncoding.Probing;
 using Xunit;
 
@@ -14,9 +14,10 @@ namespace Jellyfin.MediaEncoding.Tests
         public async Task Test(string fileName)
         {
             var path = Path.Join("Test Data", fileName);
-            using (var stream = File.OpenRead(path))
+            await using (var stream = File.OpenRead(path))
             {
-                await JsonSerializer.DeserializeAsync<InternalMediaInfoResult>(stream, JsonDefaults.GetOptions()).ConfigureAwait(false);
+                var res = await JsonSerializer.DeserializeAsync<InternalMediaInfoResult>(stream, JsonDefaults.Options).ConfigureAwait(false);
+                Assert.NotNull(res);
             }
         }
     }
diff --git a/tests/Jellyfin.MediaEncoding.Tests/Jellyfin.MediaEncoding.Tests.csproj b/tests/Jellyfin.MediaEncoding.Tests/Jellyfin.MediaEncoding.Tests.csproj
index 9a1cfcfa41..7ea5039138 100644
--- a/tests/Jellyfin.MediaEncoding.Tests/Jellyfin.MediaEncoding.Tests.csproj
+++ b/tests/Jellyfin.MediaEncoding.Tests/Jellyfin.MediaEncoding.Tests.csproj
@@ -8,8 +8,7 @@
   <PropertyGroup>
     <TargetFramework>net5.0</TargetFramework>
     <IsPackable>false</IsPackable>
-    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
-    <Nullable>enable</Nullable>
+    <CodeAnalysisRuleSet>../jellyfin-tests.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
 
   <ItemGroup>
@@ -19,15 +18,14 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.8.3" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.11.0" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3" />
-    <PackageReference Include="coverlet.collector" Version="3.0.1" />
+    <PackageReference Include="coverlet.collector" Version="3.1.0" />
   </ItemGroup>
 
   <!-- Code Analyzers -->
   <ItemGroup Condition=" '$(Configuration)' == 'Debug' ">
-    <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="2.9.8" PrivateAssets="All" />
     <PackageReference Include="SerilogAnalyzer" Version="0.15.0" PrivateAssets="All" />
     <PackageReference Include="StyleCop.Analyzers" Version="1.1.118" PrivateAssets="All" />
     <PackageReference Include="SmartAnalyzers.MultithreadingAnalyzer" Version="1.1.31" PrivateAssets="All" />
@@ -37,8 +35,4 @@
     <ProjectReference Include="../../MediaBrowser.MediaEncoding/MediaBrowser.MediaEncoding.csproj" />
   </ItemGroup>
 
-  <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
-    <CodeAnalysisRuleSet>../jellyfin-tests.ruleset</CodeAnalysisRuleSet>
-  </PropertyGroup>
-
 </Project>
diff --git a/tests/Jellyfin.MediaEncoding.Tests/Probing/ProbeResultNormalizerTests.cs b/tests/Jellyfin.MediaEncoding.Tests/Probing/ProbeResultNormalizerTests.cs
new file mode 100644
index 0000000000..fcb85a3acf
--- /dev/null
+++ b/tests/Jellyfin.MediaEncoding.Tests/Probing/ProbeResultNormalizerTests.cs
@@ -0,0 +1,129 @@
+using System;
+using System.Globalization;
+using System.IO;
+using System.Text.Json;
+using Jellyfin.Extensions.Json;
+using MediaBrowser.MediaEncoding.Probing;
+using MediaBrowser.Model.Dto;
+using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.MediaInfo;
+using Microsoft.Extensions.Logging.Abstractions;
+using Xunit;
+
+namespace Jellyfin.MediaEncoding.Tests.Probing
+{
+    public class ProbeResultNormalizerTests
+    {
+        private readonly JsonSerializerOptions _jsonOptions = JsonDefaults.Options;
+        private readonly ProbeResultNormalizer _probeResultNormalizer = new ProbeResultNormalizer(new NullLogger<EncoderValidatorTests>(), null);
+
+        [Fact]
+        public void GetMediaInfo_MetaData_Success()
+        {
+            var bytes = File.ReadAllBytes("Test Data/Probing/video_metadata.json");
+            var internalMediaInfoResult = JsonSerializer.Deserialize<InternalMediaInfoResult>(bytes, _jsonOptions);
+            MediaInfo res = _probeResultNormalizer.GetMediaInfo(internalMediaInfoResult, VideoType.VideoFile, false, "Test Data/Probing/video_metadata.mkv", MediaProtocol.File);
+
+            Assert.Single(res.MediaStreams);
+
+            Assert.NotNull(res.VideoStream);
+            Assert.Equal("4:3", res.VideoStream.AspectRatio);
+            Assert.Equal(25f, res.VideoStream.AverageFrameRate);
+            Assert.Equal(8, res.VideoStream.BitDepth);
+            Assert.Equal(69432, res.VideoStream.BitRate);
+            Assert.Equal("h264", res.VideoStream.Codec);
+            Assert.Equal("1/50", res.VideoStream.CodecTimeBase);
+            Assert.Equal(240, res.VideoStream.Height);
+            Assert.Equal(320, res.VideoStream.Width);
+            Assert.Equal(0, res.VideoStream.Index);
+            Assert.False(res.VideoStream.IsAnamorphic);
+            Assert.True(res.VideoStream.IsAVC);
+            Assert.True(res.VideoStream.IsDefault);
+            Assert.False(res.VideoStream.IsExternal);
+            Assert.False(res.VideoStream.IsForced);
+            Assert.False(res.VideoStream.IsInterlaced);
+            Assert.False(res.VideoStream.IsTextSubtitleStream);
+            Assert.Equal(13d, res.VideoStream.Level);
+            Assert.Equal("4", res.VideoStream.NalLengthSize);
+            Assert.Equal("yuv444p", res.VideoStream.PixelFormat);
+            Assert.Equal("High 4:4:4 Predictive", res.VideoStream.Profile);
+            Assert.Equal(25f, res.VideoStream.RealFrameRate);
+            Assert.Equal(1, res.VideoStream.RefFrames);
+            Assert.Equal("1/1000", res.VideoStream.TimeBase);
+            Assert.Equal(MediaStreamType.Video, res.VideoStream.Type);
+
+            Assert.Empty(res.Chapters);
+            Assert.Equal("Just color bars", res.Overview);
+        }
+
+        [Fact]
+        public void GetMediaInfo_MusicVideo_Success()
+        {
+            var bytes = File.ReadAllBytes("Test Data/Probing/music_video_metadata.json");
+            var internalMediaInfoResult = JsonSerializer.Deserialize<InternalMediaInfoResult>(bytes, _jsonOptions);
+            MediaInfo res = _probeResultNormalizer.GetMediaInfo(internalMediaInfoResult, VideoType.VideoFile, false, "Test Data/Probing/music_video.mkv", MediaProtocol.File);
+
+            Assert.Equal("The Title", res.Name);
+            Assert.Equal("Title, The", res.ForcedSortName);
+            Assert.Single(res.Artists);
+            Assert.Equal("The Artist", res.Artists[0]);
+            Assert.Equal("Album", res.Album);
+            Assert.Equal(2021, res.ProductionYear);
+            Assert.True(res.PremiereDate.HasValue);
+            Assert.Equal(DateTime.Parse("2021-01-01T00:00Z", DateTimeFormatInfo.CurrentInfo).ToUniversalTime(), res.PremiereDate);
+        }
+
+        [Fact]
+        public void GetMediaInfo_GivenOriginalDateContainsOnlyYear_Success()
+        {
+            var bytes = File.ReadAllBytes("Test Data/Probing/music_year_only_metadata.json");
+            var internalMediaInfoResult = JsonSerializer.Deserialize<InternalMediaInfoResult>(bytes, _jsonOptions);
+            MediaInfo res = _probeResultNormalizer.GetMediaInfo(internalMediaInfoResult, null, true, "Test Data/Probing/music.flac", MediaProtocol.File);
+
+            Assert.Equal("Baker Street", res.Name);
+            Assert.Single(res.Artists);
+            Assert.Equal("Gerry Rafferty", res.Artists[0]);
+            Assert.Equal("City to City", res.Album);
+            Assert.Equal(1978, res.ProductionYear);
+            Assert.True(res.PremiereDate.HasValue);
+            Assert.Equal(DateTime.Parse("1978-01-01T00:00Z", DateTimeFormatInfo.CurrentInfo).ToUniversalTime(), res.PremiereDate);
+            Assert.Contains("Electronic", res.Genres);
+            Assert.Contains("Ambient", res.Genres);
+            Assert.Contains("Pop", res.Genres);
+            Assert.Contains("Jazz", res.Genres);
+        }
+
+        [Fact]
+        public void GetMediaInfo_Music_Success()
+        {
+            var bytes = File.ReadAllBytes("Test Data/Probing/music_metadata.json");
+            var internalMediaInfoResult = JsonSerializer.Deserialize<InternalMediaInfoResult>(bytes, _jsonOptions);
+            MediaInfo res = _probeResultNormalizer.GetMediaInfo(internalMediaInfoResult, null, true, "Test Data/Probing/music.flac", MediaProtocol.File);
+
+            Assert.Equal("UP NO MORE", res.Name);
+            Assert.Single(res.Artists);
+            Assert.Equal("TWICE", res.Artists[0]);
+            Assert.Equal("Eyes wide open", res.Album);
+            Assert.Equal(2020, res.ProductionYear);
+            Assert.True(res.PremiereDate.HasValue);
+            Assert.Equal(DateTime.Parse("2020-10-26T00:00Z", DateTimeFormatInfo.CurrentInfo).ToUniversalTime(), res.PremiereDate);
+            Assert.Equal(22, res.People.Length);
+            Assert.Equal("Krysta Youngs", res.People[0].Name);
+            Assert.Equal(PersonType.Composer, res.People[0].Type);
+            Assert.Equal("Julia Ross", res.People[1].Name);
+            Assert.Equal(PersonType.Composer, res.People[1].Type);
+            Assert.Equal("Yiwoomin", res.People[2].Name);
+            Assert.Equal(PersonType.Composer, res.People[2].Type);
+            Assert.Equal("Ji-hyo Park", res.People[3].Name);
+            Assert.Equal(PersonType.Lyricist, res.People[3].Type);
+            Assert.Equal("Yiwoomin", res.People[4].Name);
+            Assert.Equal(PersonType.Actor, res.People[4].Type);
+            Assert.Equal("Electric Piano", res.People[4].Role);
+            Assert.Equal(4, res.Genres.Length);
+            Assert.Contains("Electronic", res.Genres);
+            Assert.Contains("Trance", res.Genres);
+            Assert.Contains("Dance", res.Genres);
+            Assert.Contains("Jazz", res.Genres);
+        }
+    }
+}
diff --git a/tests/Jellyfin.MediaEncoding.Tests/SsaParserTests.cs b/tests/Jellyfin.MediaEncoding.Tests/SsaParserTests.cs
deleted file mode 100644
index d11cb242c1..0000000000
--- a/tests/Jellyfin.MediaEncoding.Tests/SsaParserTests.cs
+++ /dev/null
@@ -1,96 +0,0 @@
-using System.Collections.Generic;
-using System.IO;
-using System.Text;
-using System.Threading;
-using MediaBrowser.MediaEncoding.Subtitles;
-using MediaBrowser.Model.MediaInfo;
-using Xunit;
-
-namespace Jellyfin.MediaEncoding.Tests
-{
-    public class SsaParserTests
-    {
-        // commonly shared invariant value between tests, assumes default format order
-        private const string InvariantDialoguePrefix = "[Events]\nDialogue: ,0:00:00.00,0:00:00.01,,,,,,,";
-
-        private SsaParser parser = new SsaParser();
-
-        [Theory]
-        [InlineData("[EvEnTs]\nDialogue: ,0:00:00.00,0:00:00.01,,,,,,,text", "text")] // label casing insensitivity
-        [InlineData("[Events]\n,0:00:00.00,0:00:00.01,,,,,,,labelless dialogue", "labelless dialogue")] // no "Dialogue:" label, it is optional
-        [InlineData("[Events]\nFormat: Text, Start, End, Layer, Effect, Style\nDialogue: reordered text,0:00:00.00,0:00:00.01", "reordered text")] // reordered formats
-        [InlineData(InvariantDialoguePrefix + "Cased TEXT", "Cased TEXT")] // preserve text casing
-        [InlineData(InvariantDialoguePrefix + "  text  ", "  text  ")] // do not trim text
-        [InlineData(InvariantDialoguePrefix + "text, more text", "text, more text")] // append excess dialogue values (> 10) to text
-        [InlineData(InvariantDialoguePrefix + "start {\\fnFont Name}text{\\fn} end", "start <font face=\"Font Name\">text</font> end")] // font name
-        [InlineData(InvariantDialoguePrefix + "start {\\fs10}text{\\fs} end", "start <font size=\"10\">text</font> end")] // font size
-        [InlineData(InvariantDialoguePrefix + "start {\\c&H112233}text{\\c} end", "start <font color=\"#332211\">text</font> end")] // color
-        [InlineData(InvariantDialoguePrefix + "start {\\1c&H112233}text{\\1c} end", "start <font color=\"#332211\">text</font> end")] // primay color
-        [InlineData(InvariantDialoguePrefix + "start {\\fnFont Name}text1 {\\fs10}text2{\\fs}{\\fn} {\\1c&H112233}text3{\\1c} end", "start <font face=\"Font Name\">text1 <font size=\"10\">text2</font></font> <font color=\"#332211\">text3</font> end")] // nested formatting
-        public void Parse(string ssa, string expectedText)
-        {
-            using (Stream stream = new MemoryStream(Encoding.UTF8.GetBytes(ssa)))
-            {
-                SubtitleTrackInfo subtitleTrackInfo = parser.Parse(stream, CancellationToken.None);
-                SubtitleTrackEvent actual = subtitleTrackInfo.TrackEvents[0];
-                Assert.Equal(expectedText, actual.Text);
-            }
-        }
-
-        [Theory]
-        [MemberData(nameof(Parse_MultipleDialogues_TestData))]
-        public void Parse_MultipleDialogues(string ssa, IReadOnlyList<SubtitleTrackEvent> expectedSubtitleTrackEvents)
-        {
-            using (Stream stream = new MemoryStream(Encoding.UTF8.GetBytes(ssa)))
-            {
-                SubtitleTrackInfo subtitleTrackInfo = parser.Parse(stream, CancellationToken.None);
-
-                Assert.Equal(expectedSubtitleTrackEvents.Count, subtitleTrackInfo.TrackEvents.Count);
-
-                for (int i = 0; i < expectedSubtitleTrackEvents.Count; ++i)
-                {
-                    SubtitleTrackEvent expected = expectedSubtitleTrackEvents[i];
-                    SubtitleTrackEvent actual = subtitleTrackInfo.TrackEvents[i];
-
-                    Assert.Equal(expected.StartPositionTicks, actual.StartPositionTicks);
-                    Assert.Equal(expected.EndPositionTicks, actual.EndPositionTicks);
-                    Assert.Equal(expected.Text, actual.Text);
-                }
-            }
-        }
-
-        public static IEnumerable<object[]> Parse_MultipleDialogues_TestData()
-        {
-            yield return new object[]
-            {
-                @"[Events]
-                Format: Layer, Start, End, Text
-                Dialogue: ,0:00:01.18,0:00:01.85,dialogue1
-                Dialogue: ,0:00:02.18,0:00:02.85,dialogue2
-                Dialogue: ,0:00:03.18,0:00:03.85,dialogue3
-                ",
-                new List<SubtitleTrackEvent>
-                {
-                    new SubtitleTrackEvent
-                    {
-                        StartPositionTicks = 11800000,
-                        EndPositionTicks = 18500000,
-                        Text = "dialogue1"
-                    },
-                    new SubtitleTrackEvent
-                    {
-                        StartPositionTicks = 21800000,
-                        EndPositionTicks = 28500000,
-                        Text = "dialogue2"
-                    },
-                    new SubtitleTrackEvent
-                    {
-                        StartPositionTicks = 31800000,
-                        EndPositionTicks = 38500000,
-                        Text = "dialogue3"
-                    }
-                }
-            };
-        }
-    }
-}
diff --git a/tests/Jellyfin.MediaEncoding.Tests/Subtitles/AssParserTests.cs b/tests/Jellyfin.MediaEncoding.Tests/Subtitles/AssParserTests.cs
index 14ad498399..3775555dec 100644
--- a/tests/Jellyfin.MediaEncoding.Tests/Subtitles/AssParserTests.cs
+++ b/tests/Jellyfin.MediaEncoding.Tests/Subtitles/AssParserTests.cs
@@ -3,6 +3,7 @@ using System.Globalization;
 using System.IO;
 using System.Threading;
 using MediaBrowser.MediaEncoding.Subtitles;
+using Microsoft.Extensions.Logging.Abstractions;
 using Xunit;
 
 namespace Jellyfin.MediaEncoding.Subtitles.Tests
@@ -14,25 +15,15 @@ namespace Jellyfin.MediaEncoding.Subtitles.Tests
         {
             using (var stream = File.OpenRead("Test Data/example.ass"))
             {
-                var parsed = new AssParser().Parse(stream, CancellationToken.None);
+                var parsed = new AssParser(new NullLogger<AssParser>()).Parse(stream, CancellationToken.None);
                 Assert.Single(parsed.TrackEvents);
                 var trackEvent = parsed.TrackEvents[0];
 
                 Assert.Equal("1", trackEvent.Id);
                 Assert.Equal(TimeSpan.Parse("00:00:01.18", CultureInfo.InvariantCulture).Ticks, trackEvent.StartPositionTicks);
                 Assert.Equal(TimeSpan.Parse("00:00:06.85", CultureInfo.InvariantCulture).Ticks, trackEvent.EndPositionTicks);
-                Assert.Equal("Like an Angel with pity on nobody\r\nThe second line in subtitle", trackEvent.Text);
+                Assert.Equal("{\\pos(400,570)}Like an Angel with pity on nobody" + Environment.NewLine + "The second line in subtitle", trackEvent.Text);
             }
         }
-
-        [Fact]
-        public void ParseFieldHeaders_Valid_Success()
-        {
-            const string Line = "Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text";
-            var headers = AssParser.ParseFieldHeaders(Line);
-            Assert.Equal(1, headers["Start"]);
-            Assert.Equal(2, headers["End"]);
-            Assert.Equal(9, headers["Text"]);
-        }
     }
 }
diff --git a/tests/Jellyfin.MediaEncoding.Tests/Subtitles/SrtParserTests.cs b/tests/Jellyfin.MediaEncoding.Tests/Subtitles/SrtParserTests.cs
index 3e2d2de10e..537a944b03 100644
--- a/tests/Jellyfin.MediaEncoding.Tests/Subtitles/SrtParserTests.cs
+++ b/tests/Jellyfin.MediaEncoding.Tests/Subtitles/SrtParserTests.cs
@@ -22,7 +22,7 @@ namespace Jellyfin.MediaEncoding.Subtitles.Tests
                 Assert.Equal("1", trackEvent1.Id);
                 Assert.Equal(TimeSpan.Parse("00:02:17.440", CultureInfo.InvariantCulture).Ticks, trackEvent1.StartPositionTicks);
                 Assert.Equal(TimeSpan.Parse("00:02:20.375", CultureInfo.InvariantCulture).Ticks, trackEvent1.EndPositionTicks);
-                Assert.Equal("Senator, we're making\r\nour final approach into Coruscant.", trackEvent1.Text);
+                Assert.Equal("Senator, we're making" + Environment.NewLine + "our final approach into Coruscant.", trackEvent1.Text);
 
                 var trackEvent2 = parsed.TrackEvents[1];
                 Assert.Equal("2", trackEvent2.Id);
diff --git a/tests/Jellyfin.MediaEncoding.Tests/Subtitles/SsaParserTests.cs b/tests/Jellyfin.MediaEncoding.Tests/Subtitles/SsaParserTests.cs
new file mode 100644
index 0000000000..5db80c3001
--- /dev/null
+++ b/tests/Jellyfin.MediaEncoding.Tests/Subtitles/SsaParserTests.cs
@@ -0,0 +1,88 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
+using System.Text;
+using System.Threading;
+using MediaBrowser.MediaEncoding.Subtitles;
+using MediaBrowser.Model.MediaInfo;
+using Microsoft.Extensions.Logging.Abstractions;
+using Xunit;
+
+namespace Jellyfin.MediaEncoding.Subtitles.Tests
+{
+    public class SsaParserTests
+    {
+        private readonly SsaParser _parser = new SsaParser(new NullLogger<AssParser>());
+
+        [Theory]
+        [MemberData(nameof(Parse_MultipleDialogues_TestData))]
+        public void Parse_MultipleDialogues_Success(string ssa, IReadOnlyList<SubtitleTrackEvent> expectedSubtitleTrackEvents)
+        {
+            using (Stream stream = new MemoryStream(Encoding.UTF8.GetBytes(ssa)))
+            {
+                SubtitleTrackInfo subtitleTrackInfo = _parser.Parse(stream, CancellationToken.None);
+
+                Assert.Equal(expectedSubtitleTrackEvents.Count, subtitleTrackInfo.TrackEvents.Count);
+
+                for (int i = 0; i < expectedSubtitleTrackEvents.Count; ++i)
+                {
+                    SubtitleTrackEvent expected = expectedSubtitleTrackEvents[i];
+                    SubtitleTrackEvent actual = subtitleTrackInfo.TrackEvents[i];
+
+                    Assert.Equal(expected.Id, actual.Id);
+                    Assert.Equal(expected.Text, actual.Text);
+                    Assert.Equal(expected.StartPositionTicks, actual.StartPositionTicks);
+                    Assert.Equal(expected.EndPositionTicks, actual.EndPositionTicks);
+                }
+            }
+        }
+
+        public static IEnumerable<object[]> Parse_MultipleDialogues_TestData()
+        {
+            yield return new object[]
+            {
+                @"[Events]
+                Format: Layer, Start, End, Text
+                Dialogue: ,0:00:01.18,0:00:01.85,dialogue1
+                Dialogue: ,0:00:02.18,0:00:02.85,dialogue2
+                Dialogue: ,0:00:03.18,0:00:03.85,dialogue3
+                ",
+                new List<SubtitleTrackEvent>
+                {
+                    new SubtitleTrackEvent("1", "dialogue1")
+                    {
+                        StartPositionTicks = 11800000,
+                        EndPositionTicks = 18500000
+                    },
+                    new SubtitleTrackEvent("2", "dialogue2")
+                    {
+                        StartPositionTicks = 21800000,
+                        EndPositionTicks = 28500000
+                    },
+                    new SubtitleTrackEvent("3", "dialogue3")
+                    {
+                        StartPositionTicks = 31800000,
+                        EndPositionTicks = 38500000
+                    }
+                }
+            };
+        }
+
+        [Fact]
+        public void Parse_Valid_Success()
+        {
+            using (var stream = File.OpenRead("Test Data/example.ssa"))
+            {
+                var parsed = _parser.Parse(stream, CancellationToken.None);
+                Assert.Single(parsed.TrackEvents);
+                var trackEvent = parsed.TrackEvents[0];
+
+                Assert.Equal("1", trackEvent.Id);
+                Assert.Equal(TimeSpan.Parse("00:00:01.18", CultureInfo.InvariantCulture).Ticks, trackEvent.StartPositionTicks);
+                Assert.Equal(TimeSpan.Parse("00:00:06.85", CultureInfo.InvariantCulture).Ticks, trackEvent.EndPositionTicks);
+                Assert.Equal("{\\pos(400,570)}Like an angel with pity on nobody", trackEvent.Text);
+            }
+        }
+    }
+}
diff --git a/tests/Jellyfin.MediaEncoding.Tests/Test Data/Probing/music_metadata.json b/tests/Jellyfin.MediaEncoding.Tests/Test Data/Probing/music_metadata.json
new file mode 100644
index 0000000000..6530629fe8
--- /dev/null
+++ b/tests/Jellyfin.MediaEncoding.Tests/Test Data/Probing/music_metadata.json
@@ -0,0 +1,144 @@
+{
+    "streams": [
+        {
+            "index": 0,
+            "codec_name": "flac",
+            "codec_long_name": "FLAC (Free Lossless Audio Codec)",
+            "codec_type": "audio",
+            "codec_tag_string": "[0][0][0][0]",
+            "codec_tag": "0x0000",
+            "sample_fmt": "s16",
+            "sample_rate": "44100",
+            "channels": 2,
+            "channel_layout": "stereo",
+            "bits_per_sample": 0,
+            "r_frame_rate": "0/0",
+            "avg_frame_rate": "0/0",
+            "time_base": "1/44100",
+            "start_pts": 0,
+            "start_time": "0.000000",
+            "duration_ts": 9447984,
+            "duration": "214.240000",
+            "bits_per_raw_sample": "16",
+            "disposition": {
+                "default": 0,
+                "dub": 0,
+                "original": 0,
+                "comment": 0,
+                "lyrics": 0,
+                "karaoke": 0,
+                "forced": 0,
+                "hearing_impaired": 0,
+                "visual_impaired": 0,
+                "clean_effects": 0,
+                "attached_pic": 0,
+                "timed_thumbnails": 0
+            }
+        },
+        {
+            "index": 1,
+            "codec_name": "mjpeg",
+            "codec_long_name": "Motion JPEG",
+            "profile": "Baseline",
+            "codec_type": "video",
+            "codec_tag_string": "[0][0][0][0]",
+            "codec_tag": "0x0000",
+            "width": 500,
+            "height": 500,
+            "coded_width": 500,
+            "coded_height": 500,
+            "closed_captions": 0,
+            "has_b_frames": 0,
+            "sample_aspect_ratio": "1:1",
+            "display_aspect_ratio": "1:1",
+            "pix_fmt": "yuvj420p",
+            "level": -99,
+            "color_range": "pc",
+            "color_space": "bt470bg",
+            "chroma_location": "center",
+            "refs": 1,
+            "r_frame_rate": "90000/1",
+            "avg_frame_rate": "0/0",
+            "time_base": "1/90000",
+            "start_pts": 0,
+            "start_time": "0.000000",
+            "duration_ts": 19281600,
+            "duration": "214.240000",
+            "bits_per_raw_sample": "8",
+            "disposition": {
+                "default": 0,
+                "dub": 0,
+                "original": 0,
+                "comment": 0,
+                "lyrics": 0,
+                "karaoke": 0,
+                "forced": 0,
+                "hearing_impaired": 0,
+                "visual_impaired": 0,
+                "clean_effects": 0,
+                "attached_pic": 1,
+                "timed_thumbnails": 0
+            },
+            "tags": {
+                "comment": "Cover (front)"
+            }
+        }
+    ],
+    "format": {
+        "filename": "03 UP NO MORE.flac",
+        "nb_streams": 2,
+        "nb_programs": 0,
+        "format_name": "flac",
+        "format_long_name": "raw FLAC",
+        "start_time": "0.000000",
+        "duration": "214.240000",
+        "size": "28714641",
+        "bit_rate": "1072242",
+        "probe_score": 100,
+        "tags": {
+            "MUSICBRAINZ_RELEASEGROUPID": "aa05ff10-8589-4c9c-a0d4-6b024f4e4556",
+            "ORIGINALDATE": "2020-10-26",
+            "ORIGINALYEAR": "2020",
+            "RELEASETYPE": "album",
+            "MUSICBRAINZ_ALBUMID": "222e6610-75c9-400e-8dc3-bb61f9fc5ca7",
+            "SCRIPT": "Latn",
+            "ALBUM": "Eyes wide open",
+            "RELEASECOUNTRY": "JP",
+            "BARCODE": "190295105280",
+            "LABEL": "JYP Entertainment",
+            "RELEASESTATUS": "official",
+            "DATE": "2020-10-26",
+            "MUSICBRAINZ_ALBUMARTISTID": "8da127cc-c432-418f-b356-ef36210d82ac",
+            "album_artist": "TWICE",
+            "ALBUMARTISTSORT": "TWICE",
+            "TOTALDISCS": "1",
+            "TOTALTRACKS": "13",
+            "MEDIA": "Digital Media",
+            "disc": "1",
+            "MUSICBRAINZ_TRACKID": "7d1a1044-b564-480d-9df3-22f9656fdb97",
+            "TITLE": "UP NO MORE",
+            "ISRC": "US5TA2000136",
+            "PERFORMER": "Yiwoomin (electric piano);Yiwoomin (synthesizer);Yiwoomin (bass);Yiwoomin (guitar);TWICE;Tzu-yu Chou (vocals);Momo Hirai (vocals);Na-yeon Im (vocals);Da-hyun Kim (vocals);Sana Minatozaki (vocals);Mina Myoui (vocals);Ji-hyo Park (vocals);Chae-young Son (vocals);Jeong-yeon Yoo (vocals);Perrie (background vocals)",
+            "MIXER": "Bong Won Shin",
+            "ARRANGER": "Krysta Youngs;Julia Ross;Yiwoomin",
+            "MUSICBRAINZ_WORKID": "02b37083-0337-4721-9f17-bf31971043e8",
+            "LANGUAGE": "kor;eng",
+            "WORK": "Up No More",
+            "COMPOSER": "Krysta Youngs;Julia Ross;Yiwoomin",
+            "COMPOSERSORT": "Krysta Youngs;Ross, Julia;Yiwoomin",
+            "LYRICIST": "Ji-hyo Park",
+            "MUSICBRAINZ_ARTISTID": "8da127cc-c432-418f-b356-ef36210d82ac",
+            "ARTIST": "TWICE",
+            "ARTISTSORT": "TWICE",
+            "ARTISTS": "TWICE",
+            "MUSICBRAINZ_RELEASETRACKID": "ad49b840-da9e-4e7c-924b-29fdee187052",
+            "track": "3",
+            "GENRE": "Electronic;Trance;Dance;Jazz",
+            "WEBSITE": "http://twice.jype.com/;http://www.twicejapan.com/",
+            "ACOUSTID_ID": "aae2e972-108c-4d0c-8e31-9d078283e3dc",
+            "MOOD": "Not acoustic;Not aggressive;Electronic;Happy;Party;Not relaxed;Not sad",
+            "TRACKTOTAL": "13",
+            "DISCTOTAL": "1"
+        }
+    }
+}
diff --git a/tests/Jellyfin.MediaEncoding.Tests/Test Data/Probing/music_video_metadata.json b/tests/Jellyfin.MediaEncoding.Tests/Test Data/Probing/music_video_metadata.json
new file mode 100644
index 0000000000..97d6600a4a
--- /dev/null
+++ b/tests/Jellyfin.MediaEncoding.Tests/Test Data/Probing/music_video_metadata.json
@@ -0,0 +1,111 @@
+{
+    "streams": [
+        {
+            "index": 0,
+            "codec_name": "h264",
+            "codec_long_name": "H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10",
+            "profile": "High",
+            "codec_type": "video",
+            "codec_time_base": "1001/48000",
+            "codec_tag_string": "[0][0][0][0]",
+            "codec_tag": "0x0000",
+            "width": 1920,
+            "height": 1080,
+            "coded_width": 1920,
+            "coded_height": 1088,
+            "closed_captions": 0,
+            "has_b_frames": 0,
+            "sample_aspect_ratio": "1:1",
+            "display_aspect_ratio": "16:9",
+            "pix_fmt": "yuv420p",
+            "level": 42,
+            "chroma_location": "left",
+            "field_order": "progressive",
+            "refs": 1,
+            "is_avc": "true",
+            "nal_length_size": "4",
+            "r_frame_rate": "24000/1001",
+            "avg_frame_rate": "24000/1001",
+            "time_base": "1/1000",
+            "start_pts": 0,
+            "start_time": "0.000000",
+            "bits_per_raw_sample": "8",
+            "disposition": {
+                "default": 1,
+                "dub": 0,
+                "original": 0,
+                "comment": 0,
+                "lyrics": 0,
+                "karaoke": 0,
+                "forced": 0,
+                "hearing_impaired": 0,
+                "visual_impaired": 0,
+                "clean_effects": 0,
+                "attached_pic": 0,
+                "timed_thumbnails": 0
+            },
+            "tags": {
+                "language": "eng"
+            }
+        },
+        {
+            "index": 1,
+            "codec_name": "aac",
+            "codec_long_name": "AAC (Advanced Audio Coding)",
+            "profile": "LC",
+            "codec_type": "audio",
+            "codec_time_base": "1/48000",
+            "codec_tag_string": "[0][0][0][0]",
+            "codec_tag": "0x0000",
+            "sample_fmt": "fltp",
+            "sample_rate": "48000",
+            "channels": 2,
+            "channel_layout": "stereo",
+            "bits_per_sample": 0,
+            "r_frame_rate": "0/0",
+            "avg_frame_rate": "0/0",
+            "time_base": "1/1000",
+            "start_pts": 0,
+            "start_time": "0.000000",
+            "disposition": {
+                "default": 1,
+                "dub": 0,
+                "original": 0,
+                "comment": 0,
+                "lyrics": 0,
+                "karaoke": 0,
+                "forced": 0,
+                "hearing_impaired": 0,
+                "visual_impaired": 0,
+                "clean_effects": 0,
+                "attached_pic": 0,
+                "timed_thumbnails": 0
+            },
+            "tags": {
+                "language": "eng"
+            }
+        }
+    ],
+    "chapters": [
+    ],
+    "format": {
+        "filename": "music_video.mkv",
+        "nb_streams": 2,
+        "nb_programs": 0,
+        "format_name": "matroska,webm",
+        "format_long_name": "Matroska / WebM",
+        "start_time": "0.000000",
+        "duration": "180.000000",
+        "size": "500000000",
+        "bit_rate": "22222222",
+        "probe_score": 100,
+        "tags": {
+            "TITLE-eng": "The Title",
+            "TITLESORT": "Title, The",
+            "ARTIST": "The Artist",
+            "ARTISTSORT": "Artist, The",
+            "ALBUM": "Album",
+            "DATE_RELEASED": "2021-01-01"
+        }
+    }
+}
diff --git a/tests/Jellyfin.MediaEncoding.Tests/Test Data/Probing/music_year_only_metadata.json b/tests/Jellyfin.MediaEncoding.Tests/Test Data/Probing/music_year_only_metadata.json
new file mode 100644
index 0000000000..ddf890c453
--- /dev/null
+++ b/tests/Jellyfin.MediaEncoding.Tests/Test Data/Probing/music_year_only_metadata.json
@@ -0,0 +1,147 @@
+{
+    "streams": [
+        {
+            "index": 0,
+            "codec_name": "flac",
+            "codec_long_name": "FLAC (Free Lossless Audio Codec)",
+            "codec_type": "audio",
+            "codec_tag_string": "[0][0][0][0]",
+            "codec_tag": "0x0000",
+            "sample_fmt": "s16",
+            "sample_rate": "44100",
+            "channels": 2,
+            "channel_layout": "stereo",
+            "bits_per_sample": 0,
+            "r_frame_rate": "0/0",
+            "avg_frame_rate": "0/0",
+            "time_base": "1/44100",
+            "start_pts": 0,
+            "start_time": "0.000000",
+            "duration_ts": 16394616,
+            "duration": "371.760000",
+            "bits_per_raw_sample": "16",
+            "disposition": {
+                "default": 0,
+                "dub": 0,
+                "original": 0,
+                "comment": 0,
+                "lyrics": 0,
+                "karaoke": 0,
+                "forced": 0,
+                "hearing_impaired": 0,
+                "visual_impaired": 0,
+                "clean_effects": 0,
+                "attached_pic": 0,
+                "timed_thumbnails": 0
+            }
+        },
+        {
+            "index": 1,
+            "codec_name": "mjpeg",
+            "codec_long_name": "Motion JPEG",
+            "profile": "Baseline",
+            "codec_type": "video",
+            "codec_tag_string": "[0][0][0][0]",
+            "codec_tag": "0x0000",
+            "width": 500,
+            "height": 498,
+            "coded_width": 500,
+            "coded_height": 498,
+            "closed_captions": 0,
+            "has_b_frames": 0,
+            "sample_aspect_ratio": "1:1",
+            "display_aspect_ratio": "250:249",
+            "pix_fmt": "yuvj420p",
+            "level": -99,
+            "color_range": "pc",
+            "color_space": "bt470bg",
+            "chroma_location": "center",
+            "refs": 1,
+            "r_frame_rate": "90000/1",
+            "avg_frame_rate": "0/0",
+            "time_base": "1/90000",
+            "start_pts": 0,
+            "start_time": "0.000000",
+            "duration_ts": 33458400,
+            "duration": "371.760000",
+            "bits_per_raw_sample": "8",
+            "disposition": {
+                "default": 0,
+                "dub": 0,
+                "original": 0,
+                "comment": 0,
+                "lyrics": 0,
+                "karaoke": 0,
+                "forced": 0,
+                "hearing_impaired": 0,
+                "visual_impaired": 0,
+                "clean_effects": 0,
+                "attached_pic": 1,
+                "timed_thumbnails": 0
+            },
+            "tags": {
+                "comment": "Cover (front)"
+            }
+        }
+    ],
+    "format": {
+        "filename": "02 Baker Street.flac",
+        "nb_streams": 2,
+        "nb_programs": 0,
+        "format_name": "flac",
+        "format_long_name": "raw FLAC",
+        "start_time": "0.000000",
+        "duration": "371.760000",
+        "size": "37072649",
+        "bit_rate": "797775",
+        "probe_score": 100,
+        "tags": {
+            "MUSICBRAINZ_RELEASEGROUPID": "238c3fb4-5792-342b-b217-02f66298b424",
+            "ORIGINALDATE": "1978",
+            "ORIGINALYEAR": "1978",
+            "RELEASETYPE": "album",
+            "MUSICBRAINZ_ALBUMID": "30156786-e511-3106-ac95-66f0e880b24b",
+            "ASIN": "B000007O5H",
+            "MUSICBRAINZ_ALBUMARTISTID": "563201cb-721c-4cfb-acca-c1ba69e3d1fb",
+            "album_artist": "Gerry Rafferty",
+            "ALBUMARTISTSORT": "Rafferty, Gerry",
+            "LABEL": "Liberty EMI Records UK",
+            "CATALOGNUMBER": "CDP 7 46049 2",
+            "DATE": "1989-07-26",
+            "RELEASECOUNTRY": "GB",
+            "BARCODE": "077774604925",
+            "ALBUM": "City to City",
+            "SCRIPT": "Latn",
+            "RELEASESTATUS": "official",
+            "TOTALDISCS": "1",
+            "disc": "1",
+            "MEDIA": "CD",
+            "TOTALTRACKS": "10",
+            "MUSICBRAINZ_TRACKID": "9235e22e-afbd-48f7-b329-21dae6da2810",
+            "ISRC": "GBAYE1100924;GBAYE7800619",
+            "PERFORMER": "Hugh Burns (electric guitar);Nigel Jenkins (electric guitar);Tommy Eyre (keyboard and Moog);Glen LeFleur (percussion);Raphael Ravenscroft (saxophone);Henry Spinetti (drums (drum set));Gary Taylor (bass);Gerry Rafferty (lead vocals)",
+            "ARRANGER": "Graham Preskett",
+            "MIXER": "Declan O’Doherty",
+            "PRODUCER": "Hugh Murphy;Gerry Rafferty",
+            "MUSICBRAINZ_WORKID": "a9eb3c45-784c-3c32-860c-4b406f03961b",
+            "LANGUAGE": "eng",
+            "WORK": "Baker Street",
+            "COMPOSER": "Gerry Rafferty",
+            "COMPOSERSORT": "Rafferty, Gerry",
+            "LYRICIST": "Gerry Rafferty",
+            "TITLE": "Baker Street",
+            "MUSICBRAINZ_ARTISTID": "563201cb-721c-4cfb-acca-c1ba69e3d1fb",
+            "ARTIST": "Gerry Rafferty",
+            "ARTISTSORT": "Rafferty, Gerry",
+            "ARTISTS": "Gerry Rafferty",
+            "MUSICBRAINZ_RELEASETRACKID": "407cf7f7-440d-3e76-8b89-8686198868ea",
+            "track": "2",
+            "GENRE": "Electronic;Ambient;Pop;Jazz",
+            "WEBSITE": "http://www.gerryrafferty.com/",
+            "ACOUSTID_ID": "68f8d979-a659-4aa0-a216-eb3721a951eb",
+            "MOOD": "Acoustic;Not aggressive;Not electronic;Not happy;Party;Relaxed;Not sad",
+            "TRACKTOTAL": "10",
+            "DISCTOTAL": "1"
+        }
+    }
+}
diff --git a/tests/Jellyfin.MediaEncoding.Tests/Test Data/Probing/video_metadata.json b/tests/Jellyfin.MediaEncoding.Tests/Test Data/Probing/video_metadata.json
new file mode 100644
index 0000000000..720fc5c8fa
--- /dev/null
+++ b/tests/Jellyfin.MediaEncoding.Tests/Test Data/Probing/video_metadata.json
@@ -0,0 +1,74 @@
+{
+    "streams": [
+        {
+            "index": 0,
+            "codec_name": "h264",
+            "codec_long_name": "H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10",
+            "profile": "High 4:4:4 Predictive",
+            "codec_type": "video",
+            "codec_time_base": "1/50",
+            "codec_tag_string": "[0][0][0][0]",
+            "codec_tag": "0x0000",
+            "width": 320,
+            "height": 240,
+            "coded_width": 320,
+            "coded_height": 240,
+            "closed_captions": 0,
+            "has_b_frames": 2,
+            "sample_aspect_ratio": "1:1",
+            "display_aspect_ratio": "4:3",
+            "pix_fmt": "yuv444p",
+            "level": 13,
+            "chroma_location": "left",
+            "field_order": "progressive",
+            "refs": 1,
+            "is_avc": "true",
+            "nal_length_size": "4",
+            "r_frame_rate": "25/1",
+            "avg_frame_rate": "25/1",
+            "time_base": "1/1000",
+            "start_pts": 0,
+            "start_time": "0.000000",
+            "bits_per_raw_sample": "8",
+            "disposition": {
+                "default": 1,
+                "dub": 0,
+                "original": 0,
+                "comment": 0,
+                "lyrics": 0,
+                "karaoke": 0,
+                "forced": 0,
+                "hearing_impaired": 0,
+                "visual_impaired": 0,
+                "clean_effects": 0,
+                "attached_pic": 0,
+                "timed_thumbnails": 0
+            },
+            "tags": {
+                "ENCODER": "Lavc57.107.100 libx264",
+                "DURATION": "00:00:01.000000000"
+            }
+        }
+    ],
+    "chapters": [
+
+    ],
+    "format": {
+        "filename": "some_metadata.mkv",
+        "nb_streams": 1,
+        "nb_programs": 0,
+        "format_name": "matroska,webm",
+        "format_long_name": "Matroska / WebM",
+        "start_time": "0.000000",
+        "duration": "1.000000",
+        "size": "8679",
+        "bit_rate": "69432",
+        "probe_score": 100,
+        "tags": {
+            "DESCRIPTION": "Just color bars",
+            "ARCHIVAL": "yes",
+            "PRESERVE_THIS": "okay",
+            "ENCODER": "Lavf57.83.100"
+        }
+    }
+}
diff --git a/tests/Jellyfin.MediaEncoding.Tests/Test Data/example.ssa b/tests/Jellyfin.MediaEncoding.Tests/Test Data/example.ssa
new file mode 100644
index 0000000000..dcbb972eb9
--- /dev/null
+++ b/tests/Jellyfin.MediaEncoding.Tests/Test Data/example.ssa
@@ -0,0 +1,20 @@
+[Script Info]
+; This is a Sub Station Alpha v4 script.
+; For Sub Station Alpha info and downloads,
+; go to http://www.eswat.demon.co.uk/
+Title: Neon Genesis Evangelion - Episode 26 (neutral Spanish)
+Original Script: RoRo
+Script Updated By: version 2.8.01
+ScriptType: v4.00
+Collisions: Normal
+PlayResY: 600
+PlayDepth: 0
+Timer: 100,0000
+
+[V4 Styles]
+Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, TertiaryColour, BackColour, Bold, Italic, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, AlphaLevel, Encoding
+Style: DefaultVCD, Arial,28,11861244,11861244,11861244,-2147483640,-1,0,1,1,2,2,30,30,30,0,0
+
+[Events]
+Format: Marked, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
+Dialogue: Marked=0,0:00:01.18,0:00:06.85,DefaultVCD, NTP,0000,0000,0000,,{\pos(400,570)}Like an angel with pity on nobody