add support for silero vad

Author: davehorton

lib/endpoint.js

@@ -936,17 +936,20 @@ class Endpoint extends Emitter {
   }
   /**
    * VAD detection
-   * @param {string} opts.strategy = one-shot, continuous, default is one-shot
-   * @param {string} [opts.mode] Default value is 2
+   * @param {string} opts.vendor - vendor of VAD detection engine: 'native; (default), 'silero'
+   * @param {string} opts.strategy = one-shot, continuous, default is continuous
+   * @param {string} [opts.mode] (native) Default value is 2
    * -1 ("disable fvad, use native")
    * - 0 ("quality")
    * - 1 ("low bitrate")
    * - 2 ("aggressive")
    * - 3  ("very aggressive")
-   * @param {string} [opts.silenceMs] - number of milliseconds of silence that must
-   * come to transition from talking to stop talking, default is 250 ms
-   * @param {object|string} [opts.voiceMs] - number of milliseconds of voice that
-   * must come to transition to start talking, default is 150ms
+   * @param {number} [opts.silenceMs] - number of milliseconds of silence that must
+   * come to transition from talking to stop talking, default is 100 ms
+   * @param {number} [opts.voiceMs] - number of milliseconds of voice that
+   * must come to transition to start talking, default is 250ms
+   * @param {number} [opts.threshold] - (silero) probability threshold for speech, default is 0.5
+   * @param {number} [opts.speechPadMs] - (silero) number of milliseconds of speech padding, default is 30ms
    * @param  {function} [callback] - callback invoked when api request completes
    * @return {Promise|Endpoint} returns a Promise if no callback supplied; otherwise
    * a reference to the Endpoint object
@@ -955,15 +958,21 @@ class Endpoint extends Emitter {
    */
   startVadDetection(opts, callback) {
     opts = opts || {};
-    const strategy = opts.strategy || 'one-shot';
+    const vendor = opts.vendor || 'native';
+    const apiCall = vendor === 'native' ? 'uuid_vad_detect' : 'uuid_vad_silero';
+    const strategy = opts.strategy || 'continuous';
     const mode = opts.mode || 2;
-    const silenceMs = opts.silenceMs || 250;
-    const voiceMs = opts.voiceMs || 150;
-    const bugname = opts.bugname || 'vad_detection';
+    const silenceMs = opts.silenceMs || 100;
+    const voiceMs = opts.voiceMs || 250;
+    const threshold = opts.threshold || 0.5;
+    const speechPadMs = opts.speechPadMs || 30;
+    const bugname = opts.bugname || (vendor === 'native' ? 'vad_detection' : 'vad_detection_silero');
 
     const __x = (callback) => {
-      const args = [this.uuid, 'start', strategy, mode, silenceMs, voiceMs, bugname];
-      this.api('uuid_vad_detect', args, (err, evt) => {
+      const args = vendor === 'native' ?
+        [this.uuid, 'start', strategy, mode, silenceMs, voiceMs, bugname] :
+        [this.uuid, 'start', strategy, threshold, silenceMs, voiceMs, speechPadMs, bugname];
+      this.api(apiCall, args, (err, evt) => {
         if (err) return callback(err);
         const body = evt.getBody() ;
         if (0 === body.indexOf('+OK')) {
@@ -988,10 +997,13 @@ class Endpoint extends Emitter {
 
   stopVadDetection(opts, callback) {
     opts = opts || {};
-    const bugname = opts.bugname || 'vad_detection';
+    const vendor = opts.vendor || 'native';
+    const apiCall = vendor === 'native' ? 'uuid_vad_detect' : 'uuid_vad_silero';
+    const bugname = opts.bugname || (vendor === 'native' ? 'vad_detection' : 'vad_detection_silero');
+
     const __x = (callback) => {
       const args = [this.uuid, 'stop', bugname];
-      this.api('uuid_vad_detect', args, (err, evt) => {
+      this.api(apiCall, args, (err, evt) => {
         if (err) return callback(err);
         const body = evt.getBody() ;
         if (0 === body.indexOf('+OK')) {

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "drachtio-fsmrf",
-  "version": "4.0.4",
+  "version": "4.1.0",
   "description": "freeswitch-based media resource function for drachtio",
   "main": "lib/mrf.js",
   "scripts": {
@@ -13,9 +13,9 @@
     "url": "git+https://github.com/drachtio/drachtio-fsmrf.git"
   },
   "engines": {
-    "node": ">= 6.9.3"
+    "node": ">= 18.0.0"
   },
-  "author": "",
+  "author": "Dave Horton",
   "license": "MIT",
   "bugs": {
     "url": "https://github.com/drachtio/drachtio-fsmrf/issues"