Initial Commit

2025-07-04 20:33:06 +03:00
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+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ * All rights reserved.
+ *
+ * This source code is licensed under the license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+using UnityEngine;
+using Meta.WitAi.TTS.Data;
+using Meta.WitAi.TTS.Utilities;
+
+namespace Meta.Voice.Samples.TTSVoices
+{
+    /// <summary>
+    /// A demo script that provides access to a TTSSpeaker
+    /// and overrides all TTSSpeaker callback events.
+    /// </summary>
+    public class TTSSpeakerObserver : MonoBehaviour
+    {
+        [Header("Speaker Settings")]
+        [SerializeField] [Tooltip("TTSSpeaker being observed, if left empty it will grab the speaker from the GameObject")]
+        private TTSSpeaker _speaker;
+        public TTSSpeaker Speaker => _speaker;
+
+        /// <summary>
+        /// Obtains speaker if not set
+        /// </summary>
+        protected virtual void Awake()
+        {
+            if (_speaker == null)
+            {
+                _speaker = gameObject.GetComponentInChildren<TTSSpeaker>();
+            }
+        }
+
+        /// <summary>
+        /// On enable, add all callbacks
+        /// </summary>
+        protected virtual void OnEnable()
+        {
+            if (_speaker == null)
+            {
+                return;
+            }
+            _speaker.Events.OnPlaybackQueueBegin.AddListener(OnPlaybackQueueBegin);
+            _speaker.Events.OnPlaybackQueueComplete.AddListener(OnPlaybackQueueComplete);
+            _speaker.Events.OnLoadBegin.AddListener(OnLoadBegin);
+            _speaker.Events.OnLoadAbort.AddListener(OnLoadAbort);
+            _speaker.Events.OnLoadFailed.AddListener(OnLoadFailed);
+            _speaker.Events.OnLoadSuccess.AddListener(OnLoadSuccess);
+            _speaker.Events.OnPlaybackReady.AddListener(OnPlaybackReady);
+            _speaker.Events.OnPlaybackStart.AddListener(OnPlaybackStart);
+            _speaker.Events.OnPlaybackCancelled.AddListener(OnPlaybackCancelled);
+            _speaker.Events.OnPlaybackComplete.AddListener(OnPlaybackComplete);
+        }
+
+        /// <summary>
+        /// On disable, remove all callbacks
+        /// </summary>
+        protected virtual void OnDisable()
+        {
+            if (_speaker == null)
+            {
+                return;
+            }
+            _speaker.Events.OnPlaybackQueueBegin.RemoveListener(OnPlaybackQueueBegin);
+            _speaker.Events.OnPlaybackQueueComplete.RemoveListener(OnPlaybackQueueComplete);
+            _speaker.Events.OnLoadBegin.RemoveListener(OnLoadBegin);
+            _speaker.Events.OnLoadAbort.RemoveListener(OnLoadAbort);
+            _speaker.Events.OnLoadFailed.RemoveListener(OnLoadFailed);
+            _speaker.Events.OnLoadSuccess.RemoveListener(OnLoadSuccess);
+            _speaker.Events.OnPlaybackReady.RemoveListener(OnPlaybackReady);
+            _speaker.Events.OnPlaybackStart.RemoveListener(OnPlaybackStart);
+            _speaker.Events.OnPlaybackCancelled.RemoveListener(OnPlaybackCancelled);
+            _speaker.Events.OnPlaybackComplete.RemoveListener(OnPlaybackComplete);
+        }
+
+        /// <summary>
+        /// Callback for queue begin
+        /// </summary>
+        protected virtual void OnPlaybackQueueBegin()
+        {
+
+        }
+        /// <summary>
+        /// Callback for queue completion
+        /// </summary>
+        protected virtual void OnPlaybackQueueComplete()
+        {
+
+        }
+
+        /// <summary>
+        /// Callback for load begin
+        /// </summary>
+        protected virtual void OnLoadBegin(TTSSpeaker speaker, TTSClipData clipData)
+        {
+
+        }
+        /// <summary>
+        /// Callback for load cancelation
+        /// </summary>
+        protected virtual void OnLoadAbort(TTSSpeaker speaker, TTSClipData clipData)
+        {
+
+        }
+        /// <summary>
+        /// Callback for load error
+        /// </summary>
+        protected virtual void OnLoadFailed(TTSSpeaker speaker, TTSClipData clipData, string error)
+        {
+
+        }
+        /// <summary>
+        /// Callback for load success
+        /// </summary>
+        protected virtual void OnLoadSuccess(TTSSpeaker speaker, TTSClipData clipData)
+        {
+
+        }
+
+        /// <summary>
+        /// Callback for playback is ready for a clip
+        /// </summary>
+        protected virtual void OnPlaybackReady(TTSSpeaker speaker, TTSClipData clipData)
+        {
+
+        }
+        /// <summary>
+        /// Callback for playback for a clip has begun
+        /// </summary>
+        protected virtual void OnPlaybackStart(TTSSpeaker speaker, TTSClipData clipData)
+        {
+
+        }
+        /// <summary>
+        /// Callback for playback for a clip has been canceled
+        /// </summary>
+        protected virtual void OnPlaybackCancelled(TTSSpeaker speaker, TTSClipData clipData, string reason)
+        {
+
+        }
+        /// <summary>
+        /// Callback for playback completion
+        /// </summary>
+        protected virtual void OnPlaybackComplete(TTSSpeaker speaker, TTSClipData clipData)
+        {
+
+        }
+    }
+}