add initial support for NDI routing functionality

binding.gyp

@@ -9,6 +9,7 @@
             "src/grandiose_find.cc",
             "src/grandiose_send.cc",
             "src/grandiose_receive.cc",
+            "src/grandiose_routing.cc",
             "src/grandiose.cc"
         ],
         "include_dirs": [ "ndi/include" ],

index.js

@@ -88,6 +88,7 @@ module.exports = {
   find: find,
   receive: addon.receive,
   send: addon.send,
+  routing: addon.routing,
   COLOR_FORMAT_BGRX_BGRA, COLOR_FORMAT_UYVY_BGRA,
   COLOR_FORMAT_RGBX_RGBA, COLOR_FORMAT_UYVY_RGBA,
   COLOR_FORMAT_BGRX_BGRA_FLIPPED, COLOR_FORMAT_FASTEST,

scratch/api_sketch.txt

@@ -130,3 +130,25 @@ await sender.send({
 
 sender.destroy();
 
+# routing
+
+let routing = await grandiose.routing(<args>);
+
+<args> is {
+  name: <string>,
+  [groups: <string>]
+}
+
+<routing> is {
+  name: <string>,
+  [groups: <string>],
+  embedded: <native<NDIlib_routing_instance_t>>
+}
+
+<int>    = routing.change(<source>);
+<bool>   = routing.clear();
+<int>    = routing.connections();
+<string> = routing.sourcename();
+
+await routing.destroy();
+

scratch/scratchRouting.js

@@ -0,0 +1,31 @@
+/* Copyright 2018 Streampunk Media Ltd.
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+*/
+
+const g = require('../index.js');
+
+;(async () => {
+    const sources = await g.find()
+    console.log(sources[0])
+
+    const r = await g.routing({ name: "ROUTER-1" })
+    console.log(r.connections())
+    console.log(r.sourcename())
+    console.log(r.change(sources[0]))
+    setInterval(() => {
+        console.log(r.connections())
+    }, 1000)
+    // r.destroy()
+})()
+

src/grandiose.cc

@@ -29,6 +29,7 @@
 #include "grandiose_find.h"
 #include "grandiose_send.h"
 #include "grandiose_receive.h"
+#include "grandiose_routing.h"
 #include "node_api.h"
 
 napi_value version(napi_env env, napi_callback_info info) {
@@ -83,7 +84,8 @@ napi_value Init(napi_env env, napi_value exports) {
     DECLARE_NAPI_METHOD("destroy", destroy),
     DECLARE_NAPI_METHOD("find", find),
     DECLARE_NAPI_METHOD("send", send),
-    DECLARE_NAPI_METHOD("receive", receive)
+    DECLARE_NAPI_METHOD("receive", receive),
+    DECLARE_NAPI_METHOD("routing", routing)
    };
   status = napi_define_properties(env, exports, sizeof(desc) / sizeof(desc[0]), desc);
   CHECK_STATUS;

src/grandiose_receive.cc

@@ -200,7 +200,6 @@ napi_value receive(napi_env env, napi_callback_info info) {
   REJECT_RETURN;
   c->status = napi_typeof(env, checkType, &type);
   REJECT_RETURN;
-
   if (type != napi_undefined && type != napi_string) REJECT_ERROR_RETURN(
     "Source 'urlAddress' sub-property must be of type string.",
     GRANDIOSE_INVALID_ARGS);