3 files changed, 10 insertions, 7 deletions
diff --git a/Jellyfin.Api/Helpers/DynamicHlsHelper.cs b/Jellyfin.Api/Helpers/DynamicHlsHelper.cs
index 8a47f7461..16380f0bb 100644
--- a/Jellyfin.Api/Helpers/DynamicHlsHelper.cs
+++ b/Jellyfin.Api/Helpers/DynamicHlsHelper.cs
@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Globalization;
 using System.Linq;
 using System.Net;
+using System.Net.Mime;
 using System.Security.Claims;
 using System.Text;
 using System.Threading;
@@ -171,13 +172,15 @@ namespace Jellyfin.Api.Helpers
             var queryString = _httpContextAccessor.HttpContext.Request.QueryString.ToString();
 
             // from universal audio service
-            if (queryString.IndexOf("SegmentContainer", StringComparison.OrdinalIgnoreCase) == -1 && !string.IsNullOrWhiteSpace(state.Request.SegmentContainer))
+            if (!string.IsNullOrWhiteSpace(state.Request.SegmentContainer)
+                && !queryString.Contains("SegmentContainer", StringComparison.OrdinalIgnoreCase))
             {
                 queryString += "&SegmentContainer=" + state.Request.SegmentContainer;
             }
 
             // from universal audio service
-            if (!string.IsNullOrWhiteSpace(state.Request.TranscodeReasons) && queryString.IndexOf("TranscodeReasons=", StringComparison.OrdinalIgnoreCase) == -1)
+            if (!string.IsNullOrWhiteSpace(state.Request.TranscodeReasons)
+                && !queryString.Contains("TranscodeReasons=", StringComparison.OrdinalIgnoreCase))
             {
                 queryString += "&TranscodeReasons=" + state.Request.TranscodeReasons;
             }
@@ -560,13 +563,13 @@ namespace Jellyfin.Api.Helpers
                 profileString = state.GetRequestedProfiles(codec).FirstOrDefault() ?? string.Empty;
                 if (string.Equals(state.ActualOutputVideoCodec, "h264", StringComparison.OrdinalIgnoreCase))
                 {
-                    profileString = profileString ?? "high";
+                    profileString ??= "high";
                 }
 
                 if (string.Equals(state.ActualOutputVideoCodec, "h265", StringComparison.OrdinalIgnoreCase)
                     || string.Equals(state.ActualOutputVideoCodec, "hevc", StringComparison.OrdinalIgnoreCase))
                 {
-                    profileString = profileString ?? "main";
+                    profileString ??= "main";
                 }
             }
 
diff --git a/Jellyfin.Api/Helpers/MediaInfoHelper.cs b/Jellyfin.Api/Helpers/MediaInfoHelper.cs
index 0d8315dee..ce6740fc9 100644
--- a/Jellyfin.Api/Helpers/MediaInfoHelper.cs
+++ b/Jellyfin.Api/Helpers/MediaInfoHelper.cs
@@ -523,7 +523,7 @@ namespace Jellyfin.Api.Helpers
         /// <param name="type">Dlna profile type.</param>
         public void NormalizeMediaSourceContainer(MediaSourceInfo mediaSource, DeviceProfile profile, DlnaProfileType type)
         {
-            mediaSource.Container = StreamBuilder.NormalizeMediaSourceFormatIntoSingleContainer(mediaSource.Container, mediaSource.Path, profile, type);
+            mediaSource.Container = StreamBuilder.NormalizeMediaSourceFormatIntoSingleContainer(mediaSource.Container, profile, type);
         }
 
         private void SetDeviceSpecificSubtitleInfo(StreamInfo info, MediaSourceInfo mediaSource, string accessToken)
diff --git a/Jellyfin.Api/Helpers/StreamingHelpers.cs b/Jellyfin.Api/Helpers/StreamingHelpers.cs
index 4957ee8b8..d20a02cf5 100644
--- a/Jellyfin.Api/Helpers/StreamingHelpers.cs
+++ b/Jellyfin.Api/Helpers/StreamingHelpers.cs
@@ -183,7 +183,7 @@ namespace Jellyfin.Api.Helpers
             if (string.IsNullOrEmpty(containerInternal))
             {
                 containerInternal = streamingRequest.Static ?
-                    StreamBuilder.NormalizeMediaSourceFormatIntoSingleContainer(state.InputContainer, state.MediaPath, null, DlnaProfileType.Audio)
+                    StreamBuilder.NormalizeMediaSourceFormatIntoSingleContainer(state.InputContainer, null, DlnaProfileType.Audio)
                     : GetOutputFileExtension(state);
             }
 
@@ -245,7 +245,7 @@ namespace Jellyfin.Api.Helpers
 
             var ext = string.IsNullOrWhiteSpace(state.OutputContainer)
                 ? GetOutputFileExtension(state)
-                : ('.' + state.OutputContainer);
+                : ("." + state.OutputContainer);
 
             state.OutputFilePath = GetOutputFilePath(state, ext!, serverConfigurationManager, streamingRequest.DeviceId, streamingRequest.PlaySessionId);