Core: Add qn to file name template variables

BililiveRecorder.Core/Recording/RecordTaskBase.cs

@@ -39,7 +39,7 @@ namespace BililiveRecorder.Core.Recording
         protected string? streamHost;
         protected bool started = false;
         protected bool timeoutTriggered = false;
-
+        protected int qn;
 
         private readonly object ioStatsLock = new();
         protected int ioNetworkDownloadedBytes;
@@ -95,20 +95,10 @@ namespace BililiveRecorder.Core.Recording
 
             var (fullUrl, qn) = await this.FetchStreamUrlAsync(this.room.RoomConfig.RoomId).ConfigureAwait(false);
 
+            this.qn = qn;
             this.streamHost = new Uri(fullUrl).Host;
-            var qnDesc = qn switch
-            {
-                30000 => "杜比",
-                20000 => "4K",
-                10000 => "原画",
-                401 => "蓝光(杜比)",
-                400 => "蓝光",
-                250 => "超清",
-                150 => "高清",
-                80 => "流畅",
-                -1 => "录播姬用户脚本",
-                _ => "未知"
-            };
+            var qnDesc = StreamQualityNumber.MapToString(qn);
+
             this.logger.Information("连接直播服务器 {Host} 录制画质 {Qn} ({QnDescription})", this.streamHost, qn, qnDesc);
             this.logger.Debug("直播流地址 {Url}", fullUrl);
 
@@ -201,6 +191,7 @@ namespace BililiveRecorder.Core.Recording
             ShortId = this.room.ShortId,
             AreaParent = FileNameGenerator.RemoveInvalidFileName(this.room.AreaNameParent, ignore_slash: false),
             AreaChild = FileNameGenerator.RemoveInvalidFileName(this.room.AreaNameChild, ignore_slash: false),
+            Qn = this.qn,
             Json = this.room.RawBilibiliApiJsonData,
         });
 

BililiveRecorder.Core/Templating/FileNameGenerator.cs

@@ -102,6 +102,7 @@ namespace BililiveRecorder.Core.Templating
             };
             templateOptions.MemberAccessStrategy.MemberNameStrategy = MemberNameStrategies.CamelCase;
             templateOptions.ValueConverters.Add(o => o is JContainer j ? new JContainerValue(j) : null);
+            templateOptions.Filters.AddFilter("format_qn", StreamQualityNumber.MapToStringFilterDelegateAsync);
 
             var context = new TemplateContext(data, templateOptions);
 
@@ -158,6 +159,8 @@ namespace BililiveRecorder.Core.Templating
 
             public string AreaChild { get; set; } = string.Empty;
 
+            public int Qn { get; set; }
+
             public JObject? Json { get; set; }
         }
 

BililiveRecorder.Core/Templating/StreamQualityNumber.cs

@@ -0,0 +1,29 @@
+using System.Runtime.CompilerServices;
+using System.Threading.Tasks;
+using Fluid;
+using Fluid.Values;
+
+namespace BililiveRecorder.Core.Templating
+{
+    public static class StreamQualityNumber
+    {
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static string MapToString(int qn) => qn switch
+        {
+            30000 => "杜比",
+            20000 => "4K",
+            10000 => "原画",
+            401 => "蓝光(杜比)",
+            400 => "蓝光",
+            250 => "超清",
+            150 => "高清",
+            80 => "流畅",
+            -1 => "录播姬脚本",
+            _ => $"未知({qn})"
+        };
+
+
+        public static ValueTask<FluidValue> MapToStringFilterDelegateAsync(FluidValue input, FilterArguments arguments, TemplateContext context)
+            => new StringValue(MapToString((int)input.ToNumberValue()));
+    }
+}