From cec8b76f615b16e956961cd67fd5d80dc4a4f637 Mon Sep 17 00:00:00 2001
From: Aiden <awils27@hotmail.com>
Date: Fri, 22 May 2026 16:31:49 +1000
Subject: [PATCH] schema settings

---
 .vscode/settings.json           |  11 ++
 config/runtime-host.json        |   1 +
 config/runtime-host.schema.json | 210 ++++++++++++++++++++++++++++++++
 3 files changed, 222 insertions(+)
 create mode 100644 .vscode/settings.json
 create mode 100644 config/runtime-host.schema.json

diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..7c30d57
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,11 @@
+{
+  "json.schemas": [
+    {
+      "fileMatch": [
+        "/config/runtime-host.json",
+        "/config/runtime-host.*.json"
+      ],
+      "url": "./config/runtime-host.schema.json"
+    }
+  ]
+}
diff --git a/config/runtime-host.json b/config/runtime-host.json
index 019a5ac..1e35151 100644
--- a/config/runtime-host.json
+++ b/config/runtime-host.json
@@ -1,4 +1,5 @@
 {
+  "$schema": "./runtime-host.schema.json",
   "shaderLibrary": "shaders",
   "serverPort": 8080,
   "oscBindAddress": "0.0.0.0",
diff --git a/config/runtime-host.schema.json b/config/runtime-host.schema.json
new file mode 100644
index 0000000..434c361
--- /dev/null
+++ b/config/runtime-host.schema.json
@@ -0,0 +1,210 @@
+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "https://render-cadence.local/schemas/runtime-host.schema.json",
+  "title": "Render Cadence Runtime Host Configuration",
+  "description": "Startup configuration for the Render Cadence native host. This schema documents the settings currently read by AppConfigProvider.",
+  "type": "object",
+  "additionalProperties": false,
+  "properties": {
+    "$schema": {
+      "type": "string",
+      "description": "Editor-only schema reference. The native host ignores this field."
+    },
+    "shaderLibrary": {
+      "type": "string",
+      "default": "shaders",
+      "description": "Path to the shader package library directory. Relative paths are resolved from the process/repo working location."
+    },
+    "serverPort": {
+      "type": "integer",
+      "minimum": 1,
+      "maximum": 65535,
+      "default": 8080,
+      "description": "Preferred HTTP control server port."
+    },
+    "oscBindAddress": {
+      "type": "string",
+      "default": "0.0.0.0",
+      "description": "OSC bind address reserved for the control surface. The current native host exposes this in state but does not start the OSC listener yet."
+    },
+    "oscPort": {
+      "type": "integer",
+      "minimum": 1,
+      "maximum": 65535,
+      "default": 9000,
+      "description": "OSC UDP port reserved for the control surface."
+    },
+    "oscSmoothing": {
+      "type": "number",
+      "minimum": 0,
+      "default": 0.18,
+      "description": "Reserved OSC smoothing amount exposed in runtime state."
+    },
+    "input": {
+      "$ref": "#/$defs/input"
+    },
+    "output": {
+      "$ref": "#/$defs/output"
+    },
+    "autoReload": {
+      "type": "boolean",
+      "default": true,
+      "description": "When true, the runtime control layer may automatically rescan/reload shader packages when requested by the app flow."
+    },
+    "maxTemporalHistoryFrames": {
+      "type": "integer",
+      "minimum": 0,
+      "default": 12,
+      "description": "Maximum temporal history frames exposed to shaders that request history."
+    },
+    "previewEnabled": {
+      "type": "boolean",
+      "default": false,
+      "description": "Starts the optional preview window on its own thread."
+    },
+    "previewFps": {
+      "type": "number",
+      "exclusiveMinimum": 0,
+      "default": 59.94,
+      "description": "Target repaint rate for the optional preview window. It does not change render/output cadence."
+    }
+  },
+  "required": [
+    "shaderLibrary",
+    "serverPort",
+    "input",
+    "output"
+  ],
+  "$defs": {
+    "inputBackend": {
+      "type": "string",
+      "enum": [
+        "decklink",
+        "ndi",
+        "none",
+        "disabled",
+        "off"
+      ]
+    },
+    "outputBackend": {
+      "type": "string",
+      "enum": [
+        "decklink",
+        "none",
+        "disabled",
+        "off"
+      ]
+    },
+    "resolution": {
+      "type": "string",
+      "enum": [
+        "720p",
+        "1080i",
+        "1080p",
+        "2160p",
+        "4k",
+        "uhd"
+      ]
+    },
+    "frameRate": {
+      "type": "string",
+      "enum": [
+        "23.98",
+        "24",
+        "25",
+        "29.97",
+        "30",
+        "50",
+        "59.94",
+        "60"
+      ]
+    },
+    "input": {
+      "type": "object",
+      "additionalProperties": false,
+      "description": "Video input backend configuration. DeckLink uses the configured resolution/frameRate as a capture mode. NDI adapts to the received source shape and logs if it differs from these expected values.",
+      "properties": {
+        "backend": {
+          "$ref": "#/$defs/inputBackend",
+          "default": "decklink",
+          "description": "Input backend. Use 'decklink' for Blackmagic capture, 'ndi' for NDI receive, or 'none'/'disabled'/'off' for black fallback input."
+        },
+        "device": {
+          "type": "string",
+          "default": "default",
+          "description": "Input device/source selector. DeckLink currently uses 'default'. NDI accepts 'default'/'auto' for the first discovered source or an exact NDI source name."
+        },
+        "resolution": {
+          "$ref": "#/$defs/resolution",
+          "default": "1080p",
+          "description": "Expected input resolution/mode. For NDI this is advisory only; received source dimensions are used."
+        },
+        "frameRate": {
+          "$ref": "#/$defs/frameRate",
+          "default": "59.94",
+          "description": "Expected input frame rate. DeckLink uses this to resolve the hardware mode; NDI currently treats it as an expectation for logging/state."
+        }
+      },
+      "required": [
+        "backend",
+        "device",
+        "resolution",
+        "frameRate"
+      ]
+    },
+    "output": {
+      "type": "object",
+      "additionalProperties": false,
+      "description": "Video output backend configuration. NDI output is not implemented yet; use DeckLink or disable output.",
+      "properties": {
+        "backend": {
+          "$ref": "#/$defs/outputBackend",
+          "default": "decklink",
+          "description": "Output backend. Currently 'decklink' and disabled aliases are supported. 'ndi' is reserved for future output work and will be rejected as unsupported at runtime today."
+        },
+        "device": {
+          "type": "string",
+          "default": "default",
+          "description": "Output device selector. DeckLink currently uses the first compatible/default output device."
+        },
+        "resolution": {
+          "$ref": "#/$defs/resolution",
+          "default": "1080p",
+          "description": "Output render and video mode resolution."
+        },
+        "frameRate": {
+          "$ref": "#/$defs/frameRate",
+          "default": "59.94",
+          "description": "Output render cadence and video mode frame rate."
+        },
+        "keying": {
+          "type": "object",
+          "additionalProperties": false,
+          "description": "DeckLink keying options.",
+          "properties": {
+            "external": {
+              "type": "boolean",
+              "default": false,
+              "description": "Requests DeckLink external keying when the selected output device supports it."
+            },
+            "alphaRequired": {
+              "type": "boolean",
+              "default": false,
+              "description": "Requires alpha-capable output format support during DeckLink output setup."
+            }
+          },
+          "required": [
+            "external",
+            "alphaRequired"
+          ]
+        }
+      },
+      "required": [
+        "backend",
+        "device",
+        "resolution",
+        "frameRate"
+      ]
+    }
+  }
+}