Refactor

Util/AudioSpectrumGenerator.cs

@@ -13,7 +13,7 @@ namespace ADOFAIRenderer.Util
         public static int TotalSamples { get; private set; }
 
         private static long _cachedFrame = -1;
-        private static readonly Dictionary<int, float[]> CachedSpectrums = new Dictionary<int, float[]>();
+        private static readonly Dictionary<int, float[]> CachedSpectrums = new();
 
         public static void Initialize(AudioClip? clip)
         {

Util/FFmpeg/FFmpegNativeEncoder.cs

@@ -128,7 +128,7 @@ namespace ADOFAIRenderer.Util.FFmpeg
         private bool _disposed;
 
         /// <summary>멀티스레딩 환경에서 인코더 상태 및 리소스 접근을 동기화하기 위한 락 객체.</summary>
-        private readonly object _lock = new object();
+        private readonly object _lock = new();
 
         /// <summary>
         /// QSV 인코더에서 hw_frames_ctx 모드(GPU 프레임 풀)가 활성화되었는지 여부.

Util/FrameReader.cs

@@ -15,9 +15,9 @@ namespace ADOFAIRenderer.Util
     {
         private const int InitialBufferSize = 16;
         
-        private readonly Stack<ReadbackRequestState> _statePool = new Stack<ReadbackRequestState>();
-        private readonly List<ReadbackRequestState> _allocatedStates = new List<ReadbackRequestState>();
-        private readonly object _poolLock = new object();
+        private readonly Stack<ReadbackRequestState> _statePool = new();
+        private readonly List<ReadbackRequestState> _allocatedStates = new();
+        private readonly object _poolLock = new();
         private bool _isInitialized;
         private volatile bool _isDisposed;
         

Util/GPUUtil.cs

@@ -20,7 +20,7 @@ namespace ADOFAIRenderer.Util
         private const string IntelPattern =
             @"^Intel(?>\(R\))* (?>U*HD Graphics [0-9]+$|Arc\(TM\) [A-C][0-9]+ Graphics)";
         
-        private static readonly Dictionary<Codec, List<(GPUVendor, string)>> CodecMap = new Dictionary<Codec, List<(GPUVendor, string)>>
+        private static readonly Dictionary<Codec, List<(GPUVendor, string)>> CodecMap = new()
         {
             [Codec.H264] = new List<(GPUVendor, string)> { (GPUVendor.NVIDIA, "h264_nvenc"), (GPUVendor.Intel, "h264_qsv"), (GPUVendor.AMD, "h264_amf"), (GPUVendor.Unknown, "libx264") },
             [Codec.H265] = new List<(GPUVendor, string)> { (GPUVendor.NVIDIA, "hevc_nvenc"), (GPUVendor.Intel, "hevc_qsv"), (GPUVendor.AMD, "hevc_amf"), (GPUVendor.Unknown, "libx265") },