// Speak
        public async Task Say(VoiceRequest request, CancellationToken token)
        {
            // Stop speech
            StopSpeech();

            // Stop blink
            if (request.DisableBlink && !token.IsCancellationRequested)
            {
                StopBlink();
            }

            // Prefetch Web/TTS voice
            if (UsePrefetch)
            {
                PrefetchVoices(request.Voices, token);
            }

            // Speak sequentially
            foreach (var v in request.Voices)
            {
                if (token.IsCancellationRequested)
                {
                    return;
                }

                if (v.Source == VoiceSource.Local)
                {
                    if (voices.ContainsKey(v.Name))
                    {
                        // Wait for PreGap
                        await Task.Delay((int)(v.PreGap * 1000), token);

                        // Play audio
                        History?.Add(v);
                        AudioSource.PlayOneShot(voices[v.Name]);
                    }
                    else
                    {
                        Debug.LogWarning($"Voice not found: {v.Name}");
                    }
                }
                else
                {
                    // Download voice from web or TTS service
                    var       downloadStartTime = Time.time;
                    AudioClip clip = null;
                    if (v.Source == VoiceSource.Web)
                    {
                        if (VoiceDownloadFunc != null)
                        {
                            clip = await VoiceDownloadFunc(v, token);
                        }
                        else
                        {
                            Debug.LogError("Voice download function not found");
                        }
                    }
                    else if (v.Source == VoiceSource.TTS)
                    {
                        var ttsFunc = GetTTSFunction(v.GetTTSFunctionName());
                        if (ttsFunc != null)
                        {
                            clip = await ttsFunc(v, token);
                        }
                        else
                        {
                            Debug.LogError($"TTS function not found: {v.GetTTSFunctionName()}");
                        }
                    }

                    if (clip != null)
                    {
                        // Wait for PreGap remains after download
                        var preGap = v.PreGap - (Time.time - downloadStartTime);
                        if (preGap > 0)
                        {
                            if (!token.IsCancellationRequested)
                            {
                                try
                                {
                                    await Task.Delay((int)(preGap * 1000), token);
                                }
                                catch (TaskCanceledException)
                                {
                                    // TaskCanceledException raises
                                    Debug.Log("Task canceled in waiting PreGap");
                                }
                            }
                        }
                        // Play audio
                        History?.Add(v);
                        AudioSource.PlayOneShot(clip);
                    }
                }

                // Wait while voice playing
                while (AudioSource.isPlaying && !token.IsCancellationRequested)
                {
                    await Task.Delay(1);
                }

                if (!token.IsCancellationRequested)
                {
                    try
                    {
                        // Wait for PostGap
                        await Task.Delay((int)(v.PostGap * 1000), token);
                    }
                    catch (TaskCanceledException)
                    {
                        Debug.Log("Task canceled in waiting PostGap");
                    }
                }
            }

            // Reset viseme
            LipSyncContext?.ResetContext();

            // Restart blink
            if (request.DisableBlink && !token.IsCancellationRequested)
            {
                _ = StartBlinkAsync();
            }
        }
Esempio n. 2
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        // Speak
        public async Task Say(VoiceRequest request, CancellationToken token)
        {
            // Stop speech
            StopSpeech();

            // Stop blink
            if (request.DisableBlink && !token.IsCancellationRequested)
            {
                StopBlink();
            }

            // Speak sequentially
            foreach (var v in request.Voices)
            {
                if (token.IsCancellationRequested)
                {
                    return;
                }

                if (v.Source == VoiceSource.Local)
                {
                    if (voices.ContainsKey(v.Name))
                    {
                        // Wait for PreGap
                        await Task.Delay((int)(v.PreGap * 1000), token);

                        // Play audio
                        AudioSource.PlayOneShot(voices[v.Name]);
                    }
                    else
                    {
                        Debug.LogWarning($"Voice not found: {v.Name}");
                    }
                }
                else
                {
                    // Download voice from web or TTS service
                    var       downloadStartTime = Time.time;
                    AudioClip clip = null;
                    if (v.Source == VoiceSource.Web)
                    {
                        clip = await(VoiceDownloadFunc ?? GetAudioClipFromWeb)(v, WebAudioType);
                    }
                    else if (v.Source == VoiceSource.TTS)
                    {
                        clip = await(SpeechToTextFunc ?? GetAudioClipFromTTS)(v, TTSAudioType);
                    }

                    if (clip != null)
                    {
                        // Wait for PreGap remains after download
                        var preGap = v.PreGap - (Time.time - downloadStartTime);
                        if (preGap > 0)
                        {
                            await Task.Delay((int)(preGap * 1000), token);
                        }
                        // Play audio
                        AudioSource.PlayOneShot(clip);
                    }
                }

                // Wait while voice playing
                while (AudioSource.isPlaying && !token.IsCancellationRequested)
                {
                    await Task.Delay(1);
                }

                // Wait for PostGap
                await Task.Delay((int)(v.PostGap * 1000), token);
            }

            // Restart blink
            if (request.DisableBlink && !token.IsCancellationRequested)
            {
                StartBlink();
            }
        }