Add audio tagging APIs for node-addon-api (#875)

scripts/node-addon-api/lib/audio-tagg.js

@@ -0,0 +1,26 @@
+const addon = require('./addon.js');
+const non_streaming_asr = require('./non-streaming-asr.js');
+
+class AudioTagging {
+  constructor(config) {
+    this.handle = addon.createAudioTagging(config);
+    this.config = config;
+  }
+
+  createStream() {
+    return new non_streaming_asr.OfflineStream(
+        addon.audioTaggingCreateOfflineStream(this.handle));
+  }
+
+  /* Return an array. Each element is
+   * an object {name: "xxx", prob: xxx, index: xxx};
+   *
+   */
+  compute(stream, topK = -1) {
+    return addon.audioTaggingCompute(this.handle, stream.handle, topK);
+  }
+}
+
+module.exports = {
+  AudioTagging,
+}

scripts/node-addon-api/lib/sherpa-onnx.js

@@ -5,6 +5,7 @@ const non_streaming_tts = require('./non-streaming-tts.js');
 const vad = require('./vad.js');
 const slid = require('./spoken-language-identification.js');
 const sid = require('./speaker-identification.js');
+const at = require('./audio-tagg.js');
 
 module.exports = {
   OnlineRecognizer: streaming_asr.OnlineRecognizer,
@@ -18,4 +19,5 @@ module.exports = {
   SpokenLanguageIdentification: slid.SpokenLanguageIdentification,
   SpeakerEmbeddingExtractor: sid.SpeakerEmbeddingExtractor,
   SpeakerEmbeddingManager: sid.SpeakerEmbeddingManager,
+  AudioTagging: at.AudioTagging,
 }