Fix/gladia multi sessions (#1487)

* support gladia transcribe multi channels

* wip

lib/tasks/transcribe.js

@@ -459,6 +459,14 @@ class TaskTranscribe extends SttTask {
       else if (this.data.recognizer?.hints?.length > 0) {
         prompt = this.data.recognizer?.hints.join(', ');
       }
+    } else if (this.vendor === 'gladia') {
+      // gladia require unique url for each session
+      const {host, path} = await this.createGladiaLiveSession();
+      await ep.set({
+        GLADIA_SPEECH_HOST: host,
+        GLADIA_SPEECH_PATH: path,
+      })
+        .catch((err) => this.logger.info(err, 'Error setting channel variables'));
     }
 
     await ep.startTranscription({