description updates

shaders/video-transform/shader.json

@@ -9,28 +9,43 @@
       "id": "zoom",
       "label": "Zoom",
       "type": "float",
-      "default": 1.0,
+      "default": 1,
       "min": 0.1,
-      "max": 8.0,
-      "step": 0.01
+      "max": 8,
+      "step": 0.01,
+      "description": "Scales the source image before edge handling is applied."
     },
     {
       "id": "pan",
       "label": "Pan",
       "type": "vec2",
-      "default": [0.0, 0.0],
-      "min": [-1.0, -1.0],
-      "max": [1.0, 1.0],
-      "step": [0.001, 0.001]
+      "default": [
+        0,
+        0
+      ],
+      "min": [
+        -1,
+        -1
+      ],
+      "max": [
+        1,
+        1
+      ],
+      "step": [
+        0.001,
+        0.001
+      ],
+      "description": "Moves the source image in normalized frame units."
     },
     {
       "id": "rotationDegrees",
       "label": "Rotation",
       "type": "float",
-      "default": 0.0,
-      "min": -180.0,
-      "max": 180.0,
-      "step": 0.1
+      "default": 0,
+      "min": -180,
+      "max": 180,
+      "step": 0.1,
+      "description": "Rotates the source image around the frame center."
     },
     {
       "id": "edgeMode",
@@ -38,17 +53,36 @@
       "type": "enum",
       "default": "black",
       "options": [
-        { "value": "black", "label": "Black" },
-        { "value": "clamp", "label": "Clamp" },
-        { "value": "wrap", "label": "Wrap" },
-        { "value": "mirror", "label": "Mirror" }
-      ]
+        {
+          "value": "black",
+          "label": "Black"
+        },
+        {
+          "value": "clamp",
+          "label": "Clamp"
+        },
+        {
+          "value": "wrap",
+          "label": "Wrap"
+        },
+        {
+          "value": "mirror",
+          "label": "Mirror"
+        }
+      ],
+      "description": "Chooses how samples outside the source frame are filled."
     },
     {
       "id": "outsideColor",
       "label": "Outside Color",
       "type": "color",
-      "default": [0.0, 0.0, 0.0, 1.0]
+      "default": [
+        0,
+        0,
+        0,
+        1
+      ],
+      "description": "Color used where the remapped image samples outside the source frame."
     }
   ]
 }