Made the service basically start working

Encoder/Utils.cs

@@ -0,0 +1,38 @@
+namespace Encoder;
+
+public static class Utils {
+    static Tuple<int, int>[] QPTable = new Tuple<int, int>[] {
+        new(1280*720,  64),
+        new(1920*1080, 96),
+        new(3840*2160, 128),
+        new(5760*2880, 96), //VR6K
+        new(8128*4096, 120) //VR8K
+    }.OrderBy(t => t.Item1).ToArray();
+    
+    static float lerp(float v0, float v1, float t) {
+        return v0 + t * (v1 - v0);
+    }
+
+    static float remap(float value, float from1, float to1, float from2, float to2) {
+        return from2 + (value - from1) * (to2 - from2) / (to1 - from1);
+    }
+    
+    public static int ToQPValue(int W, int H) {
+        int pixels = W * H;
+        for (var i = 0; i < QPTable.Length; i++) {
+            var t = QPTable[i];
+            if (pixels <= t.Item1) {
+                var minQP = QPTable[i - 1].Item2;
+                var maxQP = QPTable[i].Item2;
+                
+                var minPixels = QPTable[i - 1].Item1;
+                var maxPixels = QPTable[i].Item1;
+                var tPixels = remap(pixels, minPixels, maxPixels, 0, 1);
+
+                return (int)lerp(minQP, maxQP, tPixels);
+            }
+        }
+        // Return the highest QP for anything higher than 8K VR
+        return QPTable.Last().Item2;
+    }
+}