diff --git a/MediaBrowser.MediaEncoding/Probing/FFProbeHelpers.cs b/MediaBrowser.MediaEncoding/Probing/FFProbeHelpers.cs
index 6f51e1a6ab..975c2b8161 100644
--- a/MediaBrowser.MediaEncoding/Probing/FFProbeHelpers.cs
+++ b/MediaBrowser.MediaEncoding/Probing/FFProbeHelpers.cs
@@ -74,9 +74,9 @@ namespace MediaBrowser.MediaEncoding.Probing
         /// </summary>
         /// <param name="dict">The dict.</param>
         /// <returns>Dictionary{System.StringSystem.String}.</returns>
-        private static Dictionary<string, string> ConvertDictionaryToCaseInsensitive(IReadOnlyDictionary<string, string> dict)
+        private static Dictionary<string, string?> ConvertDictionaryToCaseInsensitive(IReadOnlyDictionary<string, string?> dict)
         {
-            return new Dictionary<string, string>(dict, StringComparer.OrdinalIgnoreCase);
+            return new Dictionary<string, string?>(dict, StringComparer.OrdinalIgnoreCase);
         }
     }
 }
diff --git a/MediaBrowser.MediaEncoding/Probing/MediaStreamInfo.cs b/MediaBrowser.MediaEncoding/Probing/MediaStreamInfo.cs
index 2944423248..f631c471f6 100644
--- a/MediaBrowser.MediaEncoding/Probing/MediaStreamInfo.cs
+++ b/MediaBrowser.MediaEncoding/Probing/MediaStreamInfo.cs
@@ -1,5 +1,3 @@
-#nullable disable
-
 using System.Collections.Generic;
 using System.Text.Json.Serialization;
 
@@ -22,21 +20,21 @@ namespace MediaBrowser.MediaEncoding.Probing
         /// </summary>
         /// <value>The profile.</value>
         [JsonPropertyName("profile")]
-        public string Profile { get; set; }
+        public string? Profile { get; set; }
 
         /// <summary>
         /// Gets or sets the codec_name.
         /// </summary>
         /// <value>The codec_name.</value>
         [JsonPropertyName("codec_name")]
-        public string CodecName { get; set; }
+        public string? CodecName { get; set; }
 
         /// <summary>
         /// Gets or sets the codec_long_name.
         /// </summary>
         /// <value>The codec_long_name.</value>
         [JsonPropertyName("codec_long_name")]
-        public string CodecLongName { get; set; }
+        public string? CodecLongName { get; set; }
 
         /// <summary>
         /// Gets or sets the codec_type.
@@ -50,49 +48,49 @@ namespace MediaBrowser.MediaEncoding.Probing
         /// </summary>
         /// <value>The sample_rate.</value>
         [JsonPropertyName("sample_rate")]
-        public string SampleRate { get; set; }
+        public string? SampleRate { get; set; }
 
         /// <summary>
         /// Gets or sets the channels.
         /// </summary>
         /// <value>The channels.</value>
         [JsonPropertyName("channels")]
-        public int Channels { get; set; }
+        public int? Channels { get; set; }
 
         /// <summary>
         /// Gets or sets the channel_layout.
         /// </summary>
         /// <value>The channel_layout.</value>
         [JsonPropertyName("channel_layout")]
-        public string ChannelLayout { get; set; }
+        public string? ChannelLayout { get; set; }
 
         /// <summary>
         /// Gets or sets the avg_frame_rate.
         /// </summary>
         /// <value>The avg_frame_rate.</value>
         [JsonPropertyName("avg_frame_rate")]
-        public string AverageFrameRate { get; set; }
+        public string? AverageFrameRate { get; set; }
 
         /// <summary>
         /// Gets or sets the duration.
         /// </summary>
         /// <value>The duration.</value>
         [JsonPropertyName("duration")]
-        public string Duration { get; set; }
+        public string? Duration { get; set; }
 
         /// <summary>
         /// Gets or sets the bit_rate.
         /// </summary>
         /// <value>The bit_rate.</value>
         [JsonPropertyName("bit_rate")]
-        public string BitRate { get; set; }
+        public string? BitRate { get; set; }
 
         /// <summary>
         /// Gets or sets the width.
         /// </summary>
         /// <value>The width.</value>
         [JsonPropertyName("width")]
-        public int Width { get; set; }
+        public int? Width { get; set; }
 
         /// <summary>
         /// Gets or sets the refs.
@@ -106,21 +104,21 @@ namespace MediaBrowser.MediaEncoding.Probing
         /// </summary>
         /// <value>The height.</value>
         [JsonPropertyName("height")]
-        public int Height { get; set; }
+        public int? Height { get; set; }
 
         /// <summary>
         /// Gets or sets the display_aspect_ratio.
         /// </summary>
         /// <value>The display_aspect_ratio.</value>
         [JsonPropertyName("display_aspect_ratio")]
-        public string DisplayAspectRatio { get; set; }
+        public string? DisplayAspectRatio { get; set; }
 
         /// <summary>
         /// Gets or sets the tags.
         /// </summary>
         /// <value>The tags.</value>
         [JsonPropertyName("tags")]
-        public IReadOnlyDictionary<string, string> Tags { get; set; }
+        public IReadOnlyDictionary<string, string?>? Tags { get; set; }
 
         /// <summary>
         /// Gets or sets the bits_per_sample.
@@ -141,7 +139,7 @@ namespace MediaBrowser.MediaEncoding.Probing
         /// </summary>
         /// <value>The r_frame_rate.</value>
         [JsonPropertyName("r_frame_rate")]
-        public string RFrameRate { get; set; }
+        public string? RFrameRate { get; set; }
 
         /// <summary>
         /// Gets or sets the has_b_frames.
@@ -155,70 +153,70 @@ namespace MediaBrowser.MediaEncoding.Probing
         /// </summary>
         /// <value>The sample_aspect_ratio.</value>
         [JsonPropertyName("sample_aspect_ratio")]
-        public string SampleAspectRatio { get; set; }
+        public string? SampleAspectRatio { get; set; }
 
         /// <summary>
         /// Gets or sets the pix_fmt.
         /// </summary>
         /// <value>The pix_fmt.</value>
         [JsonPropertyName("pix_fmt")]
-        public string PixelFormat { get; set; }
+        public string? PixelFormat { get; set; }
 
         /// <summary>
         /// Gets or sets the level.
         /// </summary>
         /// <value>The level.</value>
         [JsonPropertyName("level")]
-        public int Level { get; set; }
+        public int? Level { get; set; }
 
         /// <summary>
         /// Gets or sets the time_base.
         /// </summary>
         /// <value>The time_base.</value>
         [JsonPropertyName("time_base")]
-        public string TimeBase { get; set; }
+        public string? TimeBase { get; set; }
 
         /// <summary>
         /// Gets or sets the start_time.
         /// </summary>
         /// <value>The start_time.</value>
         [JsonPropertyName("start_time")]
-        public string StartTime { get; set; }
+        public string? StartTime { get; set; }
 
         /// <summary>
         /// Gets or sets the codec_time_base.
         /// </summary>
         /// <value>The codec_time_base.</value>
         [JsonPropertyName("codec_time_base")]
-        public string CodecTimeBase { get; set; }
+        public string? CodecTimeBase { get; set; }
 
         /// <summary>
         /// Gets or sets the codec_tag.
         /// </summary>
         /// <value>The codec_tag.</value>
         [JsonPropertyName("codec_tag")]
-        public string CodecTag { get; set; }
+        public string? CodecTag { get; set; }
 
         /// <summary>
-        /// Gets or sets the codec_tag_string.
+        /// Gets or sets the codec_tag_string?.
         /// </summary>
-        /// <value>The codec_tag_string.</value>
-        [JsonPropertyName("codec_tag_string")]
-        public string CodecTagString { get; set; }
+        /// <value>The codec_tag_string?.</value>
+        [JsonPropertyName("codec_tag_string?")]
+        public string? CodecTagString { get; set; }
 
         /// <summary>
         /// Gets or sets the sample_fmt.
         /// </summary>
         /// <value>The sample_fmt.</value>
         [JsonPropertyName("sample_fmt")]
-        public string SampleFmt { get; set; }
+        public string? SampleFmt { get; set; }
 
         /// <summary>
         /// Gets or sets the dmix_mode.
         /// </summary>
         /// <value>The dmix_mode.</value>
         [JsonPropertyName("dmix_mode")]
-        public string DmixMode { get; set; }
+        public string? DmixMode { get; set; }
 
         /// <summary>
         /// Gets or sets the start_pts.
@@ -232,90 +230,90 @@ namespace MediaBrowser.MediaEncoding.Probing
         /// </summary>
         /// <value>The is_avc.</value>
         [JsonPropertyName("is_avc")]
-        public bool IsAvc { get; set; }
+        public bool? IsAvc { get; set; }
 
         /// <summary>
         /// Gets or sets the nal_length_size.
         /// </summary>
         /// <value>The nal_length_size.</value>
         [JsonPropertyName("nal_length_size")]
-        public string NalLengthSize { get; set; }
+        public string? NalLengthSize { get; set; }
 
         /// <summary>
         /// Gets or sets the ltrt_cmixlev.
         /// </summary>
         /// <value>The ltrt_cmixlev.</value>
         [JsonPropertyName("ltrt_cmixlev")]
-        public string LtrtCmixlev { get; set; }
+        public string? LtrtCmixlev { get; set; }
 
         /// <summary>
         /// Gets or sets the ltrt_surmixlev.
         /// </summary>
         /// <value>The ltrt_surmixlev.</value>
         [JsonPropertyName("ltrt_surmixlev")]
-        public string LtrtSurmixlev { get; set; }
+        public string? LtrtSurmixlev { get; set; }
 
         /// <summary>
         /// Gets or sets the loro_cmixlev.
         /// </summary>
         /// <value>The loro_cmixlev.</value>
         [JsonPropertyName("loro_cmixlev")]
-        public string LoroCmixlev { get; set; }
+        public string? LoroCmixlev { get; set; }
 
         /// <summary>
         /// Gets or sets the loro_surmixlev.
         /// </summary>
         /// <value>The loro_surmixlev.</value>
         [JsonPropertyName("loro_surmixlev")]
-        public string LoroSurmixlev { get; set; }
+        public string? LoroSurmixlev { get; set; }
 
         /// <summary>
         /// Gets or sets the field_order.
         /// </summary>
         /// <value>The field_order.</value>
         [JsonPropertyName("field_order")]
-        public string FieldOrder { get; set; }
+        public string? FieldOrder { get; set; }
 
         /// <summary>
         /// Gets or sets the disposition.
         /// </summary>
         /// <value>The disposition.</value>
         [JsonPropertyName("disposition")]
-        public IReadOnlyDictionary<string, int> Disposition { get; set; }
+        public IReadOnlyDictionary<string, int>? Disposition { get; set; }
 
         /// <summary>
         /// Gets or sets the color range.
         /// </summary>
         /// <value>The color range.</value>
         [JsonPropertyName("color_range")]
-        public string ColorRange { get; set; }
+        public string? ColorRange { get; set; }
 
         /// <summary>
         /// Gets or sets the color space.
         /// </summary>
         /// <value>The color space.</value>
         [JsonPropertyName("color_space")]
-        public string ColorSpace { get; set; }
+        public string? ColorSpace { get; set; }
 
         /// <summary>
         /// Gets or sets the color transfer.
         /// </summary>
         /// <value>The color transfer.</value>
         [JsonPropertyName("color_transfer")]
-        public string ColorTransfer { get; set; }
+        public string? ColorTransfer { get; set; }
 
         /// <summary>
         /// Gets or sets the color primaries.
         /// </summary>
         /// <value>The color primaries.</value>
         [JsonPropertyName("color_primaries")]
-        public string ColorPrimaries { get; set; }
+        public string? ColorPrimaries { get; set; }
 
         /// <summary>
         /// Gets or sets the side_data_list.
         /// </summary>
         /// <value>The side_data_list.</value>
         [JsonPropertyName("side_data_list")]
-        public IReadOnlyList<MediaStreamInfoSideData> SideDataList { get; set; }
+        public IReadOnlyList<MediaStreamInfoSideData>? SideDataList { get; set; }
     }
 }
diff --git a/MediaBrowser.MediaEncoding/Probing/ProbeResultNormalizer.cs b/MediaBrowser.MediaEncoding/Probing/ProbeResultNormalizer.cs
index 127bdd380d..d3e7b52315 100644
--- a/MediaBrowser.MediaEncoding/Probing/ProbeResultNormalizer.cs
+++ b/MediaBrowser.MediaEncoding/Probing/ProbeResultNormalizer.cs
@@ -697,24 +697,18 @@ namespace MediaBrowser.MediaEncoding.Probing
         /// <returns>MediaStream.</returns>
         private MediaStream GetMediaStream(bool isAudio, MediaStreamInfo streamInfo, MediaFormatInfo formatInfo, IReadOnlyList<MediaFrameInfo> frameInfoList)
         {
-            // These are mp4 chapters
-            if (string.Equals(streamInfo.CodecName, "mov_text", StringComparison.OrdinalIgnoreCase))
-            {
-                // Edit: but these are also sometimes subtitles?
-                // return null;
-            }
-
             var stream = new MediaStream
             {
                 Codec = streamInfo.CodecName,
                 Profile = streamInfo.Profile,
+                Width = streamInfo.Width,
+                Height = streamInfo.Height,
                 Level = streamInfo.Level,
                 Index = streamInfo.Index,
                 PixelFormat = streamInfo.PixelFormat,
                 NalLengthSize = streamInfo.NalLengthSize,
                 TimeBase = streamInfo.TimeBase,
-                CodecTimeBase = streamInfo.CodecTimeBase,
-                IsAVC = streamInfo.IsAvc
+                CodecTimeBase = streamInfo.CodecTimeBase
             };
 
             // Filter out junk
@@ -774,10 +768,6 @@ namespace MediaBrowser.MediaEncoding.Probing
                 stream.LocalizedExternal = _localization.GetLocalizedString("External");
                 stream.LocalizedHearingImpaired = _localization.GetLocalizedString("HearingImpaired");
 
-                // Graphical subtitle may have width and height info
-                stream.Width = streamInfo.Width;
-                stream.Height = streamInfo.Height;
-
                 if (string.IsNullOrEmpty(stream.Title))
                 {
                     // mp4 missing track title workaround: fall back to handler_name if populated and not the default "SubtitleHandler"
@@ -790,6 +780,7 @@ namespace MediaBrowser.MediaEncoding.Probing
             }
             else if (streamInfo.CodecType == CodecType.Video)
             {
+                stream.IsAVC = streamInfo.IsAvc;
                 stream.AverageFrameRate = GetFrameRate(streamInfo.AverageFrameRate);
                 stream.RealFrameRate = GetFrameRate(streamInfo.RFrameRate);
 
@@ -822,8 +813,6 @@ namespace MediaBrowser.MediaEncoding.Probing
                     stream.Type = MediaStreamType.Video;
                 }
 
-                stream.Width = streamInfo.Width;
-                stream.Height = streamInfo.Height;
                 stream.AspectRatio = GetAspectRatio(streamInfo);
 
                 if (streamInfo.BitsPerSample > 0)
@@ -1091,8 +1080,8 @@ namespace MediaBrowser.MediaEncoding.Probing
                     && width > 0
                     && height > 0))
             {
-                width = info.Width;
-                height = info.Height;
+                width = info.Width.Value;
+                height = info.Height.Value;
             }
 
             if (width > 0 && height > 0)
diff --git a/MediaBrowser.Model/Entities/MediaStream.cs b/MediaBrowser.Model/Entities/MediaStream.cs
index c443af32cf..11f81ff7d8 100644
--- a/MediaBrowser.Model/Entities/MediaStream.cs
+++ b/MediaBrowser.Model/Entities/MediaStream.cs
@@ -2,7 +2,6 @@
 #pragma warning disable CS1591
 
 using System;
-using System.Collections.Frozen;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Globalization;
diff --git a/tests/Jellyfin.MediaEncoding.Tests/Probing/ProbeResultNormalizerTests.cs b/tests/Jellyfin.MediaEncoding.Tests/Probing/ProbeResultNormalizerTests.cs
index 8ebbd029ac..3369af0e84 100644
--- a/tests/Jellyfin.MediaEncoding.Tests/Probing/ProbeResultNormalizerTests.cs
+++ b/tests/Jellyfin.MediaEncoding.Tests/Probing/ProbeResultNormalizerTests.cs
@@ -209,8 +209,8 @@ namespace Jellyfin.MediaEncoding.Tests.Probing
             Assert.Equal("mkv,webm", res.Container);
 
             Assert.Equal(2, res.MediaStreams.Count);
-
-            Assert.False(res.MediaStreams[0].IsAVC);
+            Assert.Equal(540, res.MediaStreams[0].Width);
+            Assert.Equal(360, res.MediaStreams[0].Height);
         }
 
         [Fact]