Added CheckVideoChannelsAmount Flow plugin.

FlowPlugins/CommunityFlowPlugins/video/CheckVideoChannelsAmount/1.0.0/index.js

@@ -0,0 +1,50 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.plugin = exports.details = void 0;
+/* eslint no-plusplus: ["error", { "allowForLoopAfterthoughts": true }] */
+var details = function () { return ({
+    name: 'Check Multiple Video Streams',
+    description: 'This plugin checks if an input file has more than one video stream.',
+    style: {
+        borderColor: 'orange',
+    },
+    tags: 'video',
+    isStartPlugin: false,
+    pType: '',
+    requiresVersion: '2.11.01',
+    sidebarPosition: -1,
+    icon: 'faQuestion',
+    inputs: [],
+    outputs: [
+        {
+            number: 1,
+            tooltip: 'File has one video stream',
+        },
+        {
+            number: 2,
+            tooltip: 'File has more than one video stream',
+        },
+    ],
+}); };
+exports.details = details;
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
+var plugin = function (args) {
+    var lib = require('../../../../../methods/lib')();
+    // eslint-disable-next-line @typescript-eslint/no-unused-vars,no-param-reassign
+    args.inputs = lib.loadDefaultValues(args.inputs, details);
+    var outputNumber = 2; // Default to 'Special case' (> 1 video tracks)
+    var ffProbeData = args.inputFileObj.ffProbeData;
+    if (!ffProbeData || !ffProbeData.streams) {
+        throw new Error('ffProbeData or ffProbeData.streams is not available.');
+    }
+    var videoStreams = ffProbeData.streams.filter(function (stream) { return stream.codec_type === 'video'; }).length;
+    if (videoStreams === 1) {
+        outputNumber = 1; // 'Success' (has exactly one video stream)
+    }
+    return {
+        outputFileObj: args.inputFileObj,
+        outputNumber: outputNumber,
+        variables: args.variables,
+    };
+};
+exports.plugin = plugin;