sdk: add env to FFmpegInput + fix python parameterized class generator (#1532)

* sdk: add env to FFmpegInput + fix python parameterized class generator

* downgrade node for gh actions

.github/workflows/build-sdk.yml

@@ -7,7 +7,7 @@ on:
   pull_request:
     paths: ["sdk/**"]
   workflow_dispatch:
-  
+
 jobs:
   build:
     name: Build
@@ -15,11 +15,11 @@ jobs:
     defaults:
       run:
         working-directory: ./sdk
-    
+
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: 22
+          node-version: 22.4.1
       - run: npm ci
       - run: npm run build

sdk/types/scrypted_python/scrypted_sdk/types.py

@@ -518,6 +518,7 @@ class FFmpegInput(TypedDict):
 
     container: str
     destinationVideoBitrate: float
+    env: Any  # Environment variables to set when launching FFmpeg.
     h264EncoderArguments: list[str]
     h264FilterArguments: list[str]
     inputArguments: list[str]
@@ -1465,7 +1466,7 @@ class StartStop:
 class StreamService:
     """Generic bidirectional stream connection."""
 
-    async def connectStream(self, input: AsyncGenerator[Input, None] = None, options: Any = None) -> AsyncGenerator[Output, None]:
+    async def connectStream(self, input: AsyncGenerator[Any, None] = None, options: Any = None) -> AsyncGenerator[Any, None]:
         pass
 
 

sdk/types/src/build.ts

@@ -142,24 +142,11 @@ function toPythonMethodDeclaration(method: any) {
 }
 
 function selfSignature(method: any) {
-    for (const typeParameter of method.signatures[0].typeParameter || []) {
-        parameterTypes.add(typeParameter.name);
-    }
     const params = (method.signatures[0].parameters || []).map((p: any) => toPythonParameter(p));
-    parameterTypes.clear();
     params.unshift('self');
     return params.join(', ');
 }
 
-function selfReturnType(method: any) {
-    for (const typeParameter of method.signatures[0].typeParameter || []) {
-        parameterTypes.add(typeParameter.name);
-    }
-    const retType = toPythonReturnType(method.signatures[0].type);
-    parameterTypes.clear();
-    return retType
-}
-
 const enums = schema.children?.filter((child: any) => child.kindString === 'Enumeration') ?? [];
 const interfaces = schema.children?.filter((child: any) => Object.values(ScryptedInterface).includes(child.name)) ?? [];
 let python = '';
@@ -223,6 +210,10 @@ function addNonDictionaryType(td: any) {
 class ${td.name}:
 ${toDocstring(td)}
 `;
+    // cache type parameters so underlying generators can map them to Any
+    for (const typeParameter of td.typeParameters || []) {
+        parameterTypes.add(typeParameter.name);
+    }
 
     const children = td.children || [];
     const properties = children.filter((child: any) => child.kindString === 'Property');
@@ -232,7 +223,7 @@ ${toDocstring(td)}
 `
     }
     for (const method of methods) {
-        python += `    ${toPythonMethodDeclaration(method)} ${method.name}(${selfSignature(method)}) -> ${selfReturnType(method)}:
+        python += `    ${toPythonMethodDeclaration(method)} ${method.name}(${selfSignature(method)}) -> ${toPythonReturnType(method.signatures[0].type)}:
         ${toDocstring(method, true)}
 
 `
@@ -241,6 +232,9 @@ ${toDocstring(td)}
         python += `
     pass
 `
+
+    // reset for the next type
+    parameterTypes.clear();
 }
 
 for (const td of interfaces) {

sdk/types/src/types.input.ts

@@ -1703,6 +1703,10 @@ export interface FFmpegInput extends MediaContainer {
   h264EncoderArguments?: string[];
   videoDecoderArguments?: string[];
   h264FilterArguments?: string[];
+  /**
+   * Environment variables to set when launching FFmpeg.
+   */
+  env?: { [key: string]: string };
 }
 export interface DeviceInformation {
   model?: string;