Use FileShare.Read for log files

Emby.Server.Implementations/LiveTv/EmbyTV/EncodedRecorder.cs

@@ -91,8 +91,7 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
             Directory.CreateDirectory(Path.GetDirectoryName(logFilePath));
 
             // FFMpeg writes debug/error info to stderr. This is useful when debugging so let's put it in the log directory.
-            // use FileShare.None as this bypasses dotnet bug dotnet/runtime#42790 .
-            _logFileStream = new FileStream(logFilePath, FileMode.Create, FileAccess.Write, FileShare.None, IODefaults.FileStreamBufferSize, true);
+            _logFileStream = new FileStream(logFilePath, FileMode.Create, FileAccess.Write, FileShare.Read, IODefaults.FileStreamBufferSize, true);
 
             await JsonSerializer.SerializeAsync(_logFileStream, mediaSource, _jsonOptions, cancellationToken).ConfigureAwait(false);
             await _logFileStream.WriteAsync(Encoding.UTF8.GetBytes(Environment.NewLine + Environment.NewLine + commandLineLogMessage + Environment.NewLine + Environment.NewLine), cancellationToken).ConfigureAwait(false);

Jellyfin.Api/Helpers/TranscodingJobHelper.cs

@@ -553,8 +553,7 @@ namespace Jellyfin.Api.Helpers
                 $"{logFilePrefix}{DateTime.Now:yyyy-MM-dd_HH-mm-ss}_{state.Request.MediaSourceId}_{Guid.NewGuid().ToString()[..8]}.log");
 
             // FFmpeg writes debug/error info to stderr. This is useful when debugging so let's put it in the log directory.
-            // use FileShare.None as this bypasses dotnet bug dotnet/runtime#42790 .
-            Stream logStream = new FileStream(logFilePath, FileMode.Create, FileAccess.Write, FileShare.None, IODefaults.FileStreamBufferSize, true);
+            Stream logStream = new FileStream(logFilePath, FileMode.Create, FileAccess.Write, FileShare.Read, IODefaults.FileStreamBufferSize, true);
 
             var commandLineLogMessageBytes = Encoding.UTF8.GetBytes(request.Path + Environment.NewLine + Environment.NewLine + JsonSerializer.Serialize(state.MediaSource) + Environment.NewLine + Environment.NewLine + commandLineLogMessage + Environment.NewLine + Environment.NewLine);
             await logStream.WriteAsync(commandLineLogMessageBytes, 0, commandLineLogMessageBytes.Length, cancellationTokenSource.Token).ConfigureAwait(false);