Add Force Software Encoder Feature

Util/FFmpeg/FFmpegNativeEncoder.cs

@@ -68,6 +68,9 @@ namespace ADOFAIRenderer.Util.FFmpeg
 
             /// <summary>GOP(Group of Pictures) 크기 (초). 키프레임 간격을 의미합니다.</summary>
             public double GopSize;
+
+            /// <summary>소프트웨어 CPU 인코더를 강제 사용할지 여부.</summary>
+            public bool ForceSoftware;
         }
 
         // ──────────────────────────────────────────────────────────────
@@ -214,7 +217,7 @@ namespace ADOFAIRenderer.Util.FFmpeg
         /// </summary>
         private string[] GetEncoderCandidates()
         {
-            return GPUUtil.GetPrioritizedEncoderCandidates(_settings.Codec).ToArray();
+            return GPUUtil.GetPrioritizedEncoderCandidates(_settings.Codec, _settings.ForceSoftware).ToArray();
         }
 
         /// <summary>