8 files changed, 23 insertions, 27 deletions
diff --git a/Jellyfin.Api/Controllers/ImageController.cs b/Jellyfin.Api/Controllers/ImageController.cs
index 9dc280e138..86933074d0 100644
--- a/Jellyfin.Api/Controllers/ImageController.cs
+++ b/Jellyfin.Api/Controllers/ImageController.cs
@@ -106,7 +106,7 @@ namespace Jellyfin.Api.Controllers
             await using var memoryStream = await GetMemoryStream(Request.Body).ConfigureAwait(false);
 
             // Handle image/png; charset=utf-8
-            var mimeType = Request.ContentType.Split(';').FirstOrDefault();
+            var mimeType = Request.ContentType?.Split(';').FirstOrDefault();
             var userDataPath = Path.Combine(_serverConfigurationManager.ApplicationPaths.UserConfigurationDirectoryPath, user.Username);
             if (user.ProfileImage != null)
             {
@@ -153,7 +153,7 @@ namespace Jellyfin.Api.Controllers
             await using var memoryStream = await GetMemoryStream(Request.Body).ConfigureAwait(false);
 
             // Handle image/png; charset=utf-8
-            var mimeType = Request.ContentType.Split(';').FirstOrDefault();
+            var mimeType = Request.ContentType?.Split(';').FirstOrDefault();
             var userDataPath = Path.Combine(_serverConfigurationManager.ApplicationPaths.UserConfigurationDirectoryPath, user.Username);
             if (user.ProfileImage != null)
             {
@@ -341,7 +341,7 @@ namespace Jellyfin.Api.Controllers
             await using var memoryStream = await GetMemoryStream(Request.Body).ConfigureAwait(false);
 
             // Handle image/png; charset=utf-8
-            var mimeType = Request.ContentType.Split(';').FirstOrDefault();
+            var mimeType = Request.ContentType?.Split(';').FirstOrDefault();
             await _providerManager.SaveImage(item, memoryStream, mimeType, imageType, null, CancellationToken.None).ConfigureAwait(false);
             await item.UpdateToRepositoryAsync(ItemUpdateType.ImageUpdate, CancellationToken.None).ConfigureAwait(false);
 
@@ -377,7 +377,7 @@ namespace Jellyfin.Api.Controllers
             await using var memoryStream = await GetMemoryStream(Request.Body).ConfigureAwait(false);
 
             // Handle image/png; charset=utf-8
-            var mimeType = Request.ContentType.Split(';').FirstOrDefault();
+            var mimeType = Request.ContentType?.Split(';').FirstOrDefault();
             await _providerManager.SaveImage(item, memoryStream, mimeType, imageType, null, CancellationToken.None).ConfigureAwait(false);
             await item.UpdateToRepositoryAsync(ItemUpdateType.ImageUpdate, CancellationToken.None).ConfigureAwait(false);
 
@@ -2007,7 +2007,7 @@ namespace Jellyfin.Api.Controllers
                     Response.Headers.Add(HeaderNames.CacheControl, "public");
                 }
 
-                Response.Headers.Add(HeaderNames.LastModified, dateImageModified.ToUniversalTime().ToString("ddd, dd MMM yyyy HH:mm:ss \"GMT\"", new CultureInfo("en-US", false)));
+                Response.Headers.Add(HeaderNames.LastModified, dateImageModified.ToUniversalTime().ToString("ddd, dd MMM yyyy HH:mm:ss \"GMT\"", CultureInfo.InvariantCulture));
 
                 // if the image was not modified since "ifModifiedSinceHeader"-header, return a HTTP status code 304 not modified
                 if (!(dateImageModified > ifModifiedSinceHeader) && cacheDuration.HasValue)
@@ -2026,7 +2026,7 @@ namespace Jellyfin.Api.Controllers
                 return NoContent();
             }
 
-            return PhysicalFile(imagePath, imageContentType);
+            return PhysicalFile(imagePath, imageContentType ?? MediaTypeNames.Text.Plain);
         }
     }
 }
diff --git a/Jellyfin.Api/Controllers/LiveTvController.cs b/Jellyfin.Api/Controllers/LiveTvController.cs
index 93dc767291..b131530c93 100644
--- a/Jellyfin.Api/Controllers/LiveTvController.cs
+++ b/Jellyfin.Api/Controllers/LiveTvController.cs
@@ -1199,15 +1199,15 @@ namespace Jellyfin.Api.Controllers
         [ProducesResponseType(StatusCodes.Status200OK)]
         [ProducesResponseType(StatusCodes.Status404NotFound)]
         [ProducesVideoFile]
-        public async Task<ActionResult> GetLiveStreamFile([FromRoute, Required] string streamId, [FromRoute, Required] string container)
+        public ActionResult GetLiveStreamFile([FromRoute, Required] string streamId, [FromRoute, Required] string container)
         {
-            var liveStreamInfo = await _mediaSourceManager.GetDirectStreamProviderByUniqueId(streamId, CancellationToken.None).ConfigureAwait(false);
+            var liveStreamInfo = _mediaSourceManager.GetLiveStreamInfoByUniqueId(streamId);
             if (liveStreamInfo == null)
             {
                 return NotFound();
             }
 
-            var liveStream = new ProgressiveFileStream(liveStreamInfo.GetFilePath(), null, _transcodingJobHelper);
+            var liveStream = new ProgressiveFileStream(liveStreamInfo.GetStream());
             return new FileStreamResult(liveStream, MimeTypes.GetMimeType("file." + container));
         }
 
diff --git a/Jellyfin.Api/Controllers/RemoteImageController.cs b/Jellyfin.Api/Controllers/RemoteImageController.cs
index bcb2b50c7a..8a33b12f4c 100644
--- a/Jellyfin.Api/Controllers/RemoteImageController.cs
+++ b/Jellyfin.Api/Controllers/RemoteImageController.cs
@@ -206,7 +206,7 @@ namespace Jellyfin.Api.Controllers
             var fullCacheDirectory = Path.GetDirectoryName(fullCachePath) ?? throw new ResourceNotFoundException($"Provided path ({fullCachePath}) is not valid.");
             Directory.CreateDirectory(fullCacheDirectory);
             // use FileShare.None as this bypasses dotnet bug dotnet/runtime#42790 .
-            await using var fileStream = new FileStream(fullCachePath, FileMode.Create, FileAccess.Write, FileShare.None, IODefaults.FileStreamBufferSize, AsyncFile.UseAsyncIO);
+            await using var fileStream = new FileStream(fullCachePath, FileMode.Create, FileAccess.Write, FileShare.None, IODefaults.FileStreamBufferSize, FileOptions.Asynchronous);
             await response.Content.CopyToAsync(fileStream).ConfigureAwait(false);
 
             var pointerCacheDirectory = Path.GetDirectoryName(pointerCachePath) ?? throw new ArgumentException($"Provided path ({pointerCachePath}) is not valid.", nameof(pointerCachePath));
diff --git a/Jellyfin.Api/Controllers/SubtitleController.cs b/Jellyfin.Api/Controllers/SubtitleController.cs
index 11f67ee894..1849dd0478 100644
--- a/Jellyfin.Api/Controllers/SubtitleController.cs
+++ b/Jellyfin.Api/Controllers/SubtitleController.cs
@@ -376,7 +376,7 @@ namespace Jellyfin.Api.Controllers
                 var endPositionTicks = Math.Min(runtime, positionTicks + segmentLengthTicks);
 
                 var url = string.Format(
-                    CultureInfo.CurrentCulture,
+                    CultureInfo.InvariantCulture,
                     "stream.vtt?CopyTimestamps=true&AddVttTimeMap=true&StartPositionTicks={0}&EndPositionTicks={1}&api_key={2}",
                     positionTicks.ToString(CultureInfo.InvariantCulture),
                     endPositionTicks.ToString(CultureInfo.InvariantCulture),
diff --git a/Jellyfin.Api/Controllers/SystemController.cs b/Jellyfin.Api/Controllers/SystemController.cs
index e6584f0fe6..741bdfee97 100644
--- a/Jellyfin.Api/Controllers/SystemController.cs
+++ b/Jellyfin.Api/Controllers/SystemController.cs
@@ -201,7 +201,7 @@ namespace Jellyfin.Api.Controllers
 
             // For older files, assume fully static
             var fileShare = file.LastWriteTimeUtc < DateTime.UtcNow.AddHours(-1) ? FileShare.Read : FileShare.ReadWrite;
-            FileStream stream = new FileStream(file.FullName, FileMode.Open, FileAccess.Read, fileShare, IODefaults.FileStreamBufferSize, AsyncFile.UseAsyncIO);
+            FileStream stream = new FileStream(file.FullName, FileMode.Open, FileAccess.Read, fileShare, IODefaults.FileStreamBufferSize, FileOptions.Asynchronous);
             return File(stream, "text/plain; charset=utf-8");
         }
 
diff --git a/Jellyfin.Api/Controllers/TimeSyncController.cs b/Jellyfin.Api/Controllers/TimeSyncController.cs
index 7df51c7afb..e7c5a71257 100644
--- a/Jellyfin.Api/Controllers/TimeSyncController.cs
+++ b/Jellyfin.Api/Controllers/TimeSyncController.cs
@@ -21,10 +21,10 @@ namespace Jellyfin.Api.Controllers
         public ActionResult<UtcTimeResponse> GetUtcTime()
         {
             // Important to keep the following line at the beginning
-            var requestReceptionTime = DateTime.UtcNow.ToUniversalTime();
+            var requestReceptionTime = DateTime.UtcNow;
 
             // Important to keep the following line at the end
-            var responseTransmissionTime = DateTime.UtcNow.ToUniversalTime();
+            var responseTransmissionTime = DateTime.UtcNow;
 
             // Implementing NTP on such a high level results in this useless
             // information being sent. On the other hand it enables future additions.
diff --git a/Jellyfin.Api/Controllers/TvShowsController.cs b/Jellyfin.Api/Controllers/TvShowsController.cs
index 7c5b8a43b7..6eada67cf0 100644
--- a/Jellyfin.Api/Controllers/TvShowsController.cs
+++ b/Jellyfin.Api/Controllers/TvShowsController.cs
@@ -147,7 +147,7 @@ namespace Jellyfin.Api.Controllers
                 ? _userManager.GetUserById(userId.Value)
                 : null;
 
-            var minPremiereDate = DateTime.Now.Date.ToUniversalTime().AddDays(-1);
+            var minPremiereDate = DateTime.UtcNow.Date.AddDays(-1);
 
             var parentIdGuid = parentId ?? Guid.Empty;
 
diff --git a/Jellyfin.Api/Controllers/VideosController.cs b/Jellyfin.Api/Controllers/VideosController.cs
index bc6fc904a1..150f22d1b8 100644
--- a/Jellyfin.Api/Controllers/VideosController.cs
+++ b/Jellyfin.Api/Controllers/VideosController.cs
@@ -453,14 +453,15 @@ namespace Jellyfin.Api.Controllers
             {
                 StreamingHelpers.AddDlnaHeaders(state, Response.Headers, true, startTimeTicks, Request, _dlnaManager);
 
-                await new ProgressiveFileCopier(state.DirectStreamProvider, null, _transcodingJobHelper, CancellationToken.None)
+                var liveStreamInfo = _mediaSourceManager.GetLiveStreamInfo(streamingRequest.LiveStreamId);
+                if (liveStreamInfo == null)
                 {
-                    AllowEndOfFile = false
-                }.WriteToAsync(Response.Body, CancellationToken.None)
-                    .ConfigureAwait(false);
+                    return NotFound();
+                }
 
+                var liveStream = new ProgressiveFileStream(liveStreamInfo.GetStream());
                 // TODO (moved from MediaBrowser.Api): Don't hardcode contentType
-                return File(Response.Body, MimeTypes.GetMimeType("file.ts")!);
+                return File(liveStream, MimeTypes.GetMimeType("file.ts")!);
             }
 
             // Static remote stream
@@ -492,13 +493,8 @@ namespace Jellyfin.Api.Controllers
 
                 if (state.MediaSource.IsInfiniteStream)
                 {
-                    await new ProgressiveFileCopier(state.MediaPath, null, _transcodingJobHelper, CancellationToken.None)
-                    {
-                        AllowEndOfFile = false
-                    }.WriteToAsync(Response.Body, CancellationToken.None)
-                        .ConfigureAwait(false);
-
-                    return File(Response.Body, contentType);
+                    var liveStream = new ProgressiveFileStream(state.MediaPath, null, _transcodingJobHelper);
+                    return File(liveStream, contentType);
                 }
 
                 return FileStreamResponseHelpers.GetStaticFileResult(