wolfplus
2 years ago
20 changed files with 2054 additions and 380 deletions
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package com.example.deep_voice |
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import android.util.Log |
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import com.microsoft.cognitiveservices.speech.* |
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import java.util.concurrent.Future |
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|
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/** |
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* Microsoft Text-to-Speech Helper |
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* |
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* 该类封装了微软语音 SDK 的 TTS 功能，提供简单的接口供 Flutter 调用 |
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*/ |
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class TextToSpeechHelper { |
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private val TAG = "TextToSpeechHelper" |
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private var speechConfig: SpeechConfig? = null |
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private var synthesizer: SpeechSynthesizer? = null |
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private var isInitialized = false |
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|
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/** |
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* 初始化 TTS 引擎 |
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* |
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* @param subscriptionKey Azure 语音服务订阅密钥 |
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* @param serviceRegion Azure 语音服务区域 |
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*/ |
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fun initialize(subscriptionKey: String, serviceRegion: String) { |
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try { |
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speechConfig = SpeechConfig.fromSubscription(subscriptionKey, serviceRegion) |
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// 默认设置中文女声 |
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speechConfig?.setSpeechSynthesisVoiceName("zh-CN-XiaoxiaoNeural") |
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synthesizer = SpeechSynthesizer(speechConfig) |
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isInitialized = true |
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Log.d(TAG, "TTS 引擎初始化成功") |
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} catch (e: Exception) { |
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Log.e(TAG, "TTS 引擎初始化失败: ${e.message}") |
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throw e |
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} |
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} |
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|
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/** |
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* 设置语音 |
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* |
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* @param voiceName 语音名称，例如 "zh-CN-XiaoxiaoNeural" |
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*/ |
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fun setVoice(voiceName: String) { |
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if (!isInitialized) { |
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throw Exception("TTS 引擎尚未初始化") |
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} |
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|
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try { |
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speechConfig?.setSpeechSynthesisVoiceName(voiceName) |
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// 重新创建合成器以应用新的语音设置 |
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synthesizer?.close() |
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synthesizer = SpeechSynthesizer(speechConfig) |
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Log.d(TAG, "已设置语音: $voiceName") |
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} catch (e: Exception) { |
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Log.e(TAG, "设置语音失败: ${e.message}") |
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throw e |
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} |
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} |
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|
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/** |
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* 合成文本为语音并播放 |
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* |
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* @param text 要合成的文本 |
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* @param callback 回调接口，用于返回结果或错误 |
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*/ |
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fun speakText(text: String, callback: TTSCallback) { |
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if (!isInitialized) { |
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callback.onError("TTS 引擎尚未初始化") |
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return |
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} |
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|
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try { |
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Log.d(TAG, "开始合成文本: $text") |
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val task: Future<SpeechSynthesisResult> = synthesizer!!.SpeakTextAsync(text) |
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|
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// 异步获取结果 |
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val result = task.get() |
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when (result.reason) { |
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ResultReason.SynthesizingAudioCompleted -> { |
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Log.d(TAG, "语音合成完成") |
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callback.onSuccess("语音合成完成") |
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} |
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ResultReason.Canceled -> { |
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val cancellation = SpeechSynthesisCancellationDetails.fromResult(result) |
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Log.e(TAG, "语音合成取消: ${cancellation.reason}, ${cancellation.errorDetails}") |
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callback.onError("语音合成取消: ${cancellation.reason}, ${cancellation.errorDetails}") |
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} |
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else -> { |
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Log.e(TAG, "语音合成失败: ${result.reason}") |
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callback.onError("语音合成失败: ${result.reason}") |
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} |
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} |
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result.close() |
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} catch (e: Exception) { |
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Log.e(TAG, "语音合成异常: ${e.message}") |
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callback.onError("语音合成异常: ${e.message}") |
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} |
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} |
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|
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/** |
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* 合成 SSML 为语音并播放 |
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* |
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* @param ssml SSML 格式的文本 |
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* @param callback 回调接口，用于返回结果或错误 |
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*/ |
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fun speakSsml(ssml: String, callback: TTSCallback) { |
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if (!isInitialized) { |
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callback.onError("TTS 引擎尚未初始化") |
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return |
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} |
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try { |
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Log.d(TAG, "开始合成 SSML") |
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val task: Future<SpeechSynthesisResult> = synthesizer!!.SpeakSsmlAsync(ssml) |
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// 异步获取结果 |
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val result = task.get() |
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when (result.reason) { |
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ResultReason.SynthesizingAudioCompleted -> { |
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Log.d(TAG, "语音合成完成") |
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callback.onSuccess("语音合成完成") |
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} |
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ResultReason.Canceled -> { |
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val cancellation = SpeechSynthesisCancellationDetails.fromResult(result) |
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Log.e(TAG, "语音合成取消: ${cancellation.reason}, ${cancellation.errorDetails}") |
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callback.onError("语音合成取消: ${cancellation.reason}, ${cancellation.errorDetails}") |
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} |
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else -> { |
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Log.e(TAG, "语音合成失败: ${result.reason}") |
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callback.onError("语音合成失败: ${result.reason}") |
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} |
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} |
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result.close() |
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} catch (e: Exception) { |
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Log.e(TAG, "语音合成异常: ${e.message}") |
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callback.onError("语音合成异常: ${e.message}") |
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} |
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} |
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/** |
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* 释放资源 |
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*/ |
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fun dispose() { |
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try { |
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synthesizer?.close() |
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speechConfig?.close() |
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isInitialized = false |
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Log.d(TAG, "TTS 引擎已释放") |
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} catch (e: Exception) { |
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Log.e(TAG, "释放 TTS 引擎失败: ${e.message}") |
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} |
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} |
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/** |
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* TTS 回调接口 |
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*/ |
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interface TTSCallback { |
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fun onSuccess(message: String) |
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fun onError(error: String) |
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} |
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} |
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@ -0,0 +1,11 @@ |
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<?xml version="1.0" encoding="utf-8"?> |
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<vector xmlns:android="http://schemas.android.com/apk/res/android" |
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android:width="24dp" |
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android:height="24dp" |
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android:viewportWidth="24.0" |
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android:viewportHeight="24.0" |
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android:tint="#FFFFFF"> |
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<path |
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android:fillColor="#FFFFFF" |
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android:pathData="M3,9v6h4l5,5L12,4L7,9L3,9zM16.5,12c0,-1.77 -1.02,-3.29 -2.5,-4.03v8.05c1.48,-0.73 2.5,-2.25 2.5,-4.02zM14,3.23v2.06c2.89,0.86 5,3.54 5,6.71s-2.11,5.85 -5,6.71v2.06c4.01,-0.91 7,-4.49 7,-8.77s-2.99,-7.86 -7,-8.77z"/> |
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</vector> |
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@ -0,0 +1,346 @@ |
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import 'dart:async'; |
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import 'package:flutter/services.dart'; |
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import 'package:get/get.dart'; |
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import 'package:flutter_dotenv/flutter_dotenv.dart'; |
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/// 微软 Text-to-Speech 服务异常 |
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class MicrosoftTtsException implements Exception { |
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final String message; |
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MicrosoftTtsException(this.message); |
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@override |
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String toString() => message; |
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} |
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|
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/// 微软 Text-to-Speech 服务 |
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/// |
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/// 该服务通过平台通道与 Android 上的 Microsoft Speech SDK 交互， |
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/// 提供文本转语音功能。 |
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class MicrosoftTtsService extends GetxService { |
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static const MethodChannel _channel = MethodChannel('com.example.deep_voice/text_to_speech'); |
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bool _isInitialized = false; |
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late final String _subscriptionKey; |
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late final String _serviceRegion; |
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// 当前使用的语音 |
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String _currentVoice = 'zh-CN-XiaoxiaoNeural'; |
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String get currentVoice => _currentVoice; |
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// 语音合成队列 |
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final List<String> _textQueue = []; |
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bool _isProcessingQueue = false; |
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bool _isSpeaking = false; |
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// 可观察状态 |
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final isEnabled = true.obs; |
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final isSpeaking = false.obs; |
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MicrosoftTtsService() { |
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_loadConfig(); |
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} |
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/// 从环境变量加载配置 |
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void _loadConfig() { |
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_subscriptionKey = dotenv.env['AZURE_SPEECH_KEY'] ?? ''; |
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_serviceRegion = dotenv.env['AZURE_SPEECH_REGION'] ?? ''; |
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if (_subscriptionKey.isEmpty || _serviceRegion.isEmpty) { |
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throw MicrosoftTtsException('未找到 Azure 语音服务配置。请在 .env 文件中设置 AZURE_SPEECH_KEY 和 AZURE_SPEECH_REGION'); |
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} |
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} |
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/// 初始化微软 TTS SDK |
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/// |
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/// 返回 true 表示初始化成功，否则抛出 PlatformException |
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Future<bool> initialize() async { |
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if (_isInitialized) return true; |
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try { |
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final bool result = await _channel.invokeMethod('initialize', { |
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'subscriptionKey': _subscriptionKey, |
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'serviceRegion': _serviceRegion, |
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}); |
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_isInitialized = result; |
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return result; |
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} on PlatformException catch (e) { |
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throw MicrosoftTtsException('初始化失败: ${e.message}'); |
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} |
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} |
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/// 设置语音 |
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/// |
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/// [voiceName] 语音名称，例如 "zh-CN-XiaoxiaoNeural" |
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/// |
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/// 返回 true 表示设置成功，否则抛出 PlatformException |
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Future<bool> setVoice(String voiceName) async { |
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if (!_isInitialized) { |
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await initialize(); |
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} |
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try { |
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final bool result = await _channel.invokeMethod('setVoice', { |
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'voiceName': voiceName, |
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}); |
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if (result) { |
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_currentVoice = voiceName; |
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} |
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return result; |
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} on PlatformException catch (e) { |
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throw MicrosoftTtsException('设置语音失败: ${e.message}'); |
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} |
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} |
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/// 将文本转换为语音并播放 |
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/// |
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/// [text] 要转换的文本 |
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/// |
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/// 返回合成结果消息，否则抛出 PlatformException |
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Future<String> speakText(String text) async { |
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if (!_isInitialized) { |
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await initialize(); |
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} |
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if (!isEnabled.value) { |
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return "TTS 服务已禁用"; |
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} |
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try { |
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_isSpeaking = true; |
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isSpeaking.value = true; |
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final String result = await _channel.invokeMethod('speakText', { |
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'text': text, |
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}); |
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_isSpeaking = false; |
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isSpeaking.value = false; |
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return result; |
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} on PlatformException catch (e) { |
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_isSpeaking = false; |
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isSpeaking.value = false; |
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throw MicrosoftTtsException('语音合成失败: ${e.message}'); |
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} |
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} |
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/// 将 SSML 转换为语音并播放 |
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/// |
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/// [ssml] SSML 格式的文本 |
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/// |
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/// 返回合成结果消息，否则抛出 PlatformException |
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Future<String> speakSsml(String ssml) async { |
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if (!_isInitialized) { |
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await initialize(); |
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} |
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if (!isEnabled.value) { |
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return "TTS 服务已禁用"; |
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} |
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try { |
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_isSpeaking = true; |
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isSpeaking.value = true; |
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final String result = await _channel.invokeMethod('speakSsml', { |
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'ssml': ssml, |
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}); |
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_isSpeaking = false; |
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isSpeaking.value = false; |
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return result; |
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} on PlatformException catch (e) { |
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_isSpeaking = false; |
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isSpeaking.value = false; |
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throw MicrosoftTtsException('SSML 语音合成失败: ${e.message}'); |
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} |
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} |
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/// 添加文本到队列并开始处理 |
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/// |
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/// [text] 要添加到队列的文本 |
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/// [rate] 可选，语速，范围 -100 到 100，默认为 0 |
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/// [pitch] 可选，音调，范围 -100 到 100，默认为 0 |
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/// |
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/// 返回 true 表示成功添加到队列 |
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Future<bool> speak(String text, {int rate = 0, int pitch = 0}) async { |
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if (!isEnabled.value) { |
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return false; |
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} |
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if (text.isEmpty) { |
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return false; |
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} |
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// 生成 SSML |
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final ssml = generateSsml( |
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text: text, |
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rate: rate, |
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pitch: pitch, |
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); |
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// 添加到队列 |
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_textQueue.add(ssml); |
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// 如果队列未在处理中，开始处理 |
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if (!_isProcessingQueue) { |
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_processQueue(); |
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} |
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return true; |
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} |
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|
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/// 连续播放多段文本 |
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/// |
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/// [texts] 要连续播放的文本列表 |
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/// [rate] 可选，语速，范围 -100 到 100，默认为 0 |
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/// [pitch] 可选，音调，范围 -100 到 100，默认为 0 |
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/// |
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/// 返回 true 表示成功添加到队列 |
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Future<bool> speakMultiple(List<String> texts, {int rate = 0, int pitch = 0}) async { |
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if (!isEnabled.value) { |
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return false; |
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} |
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if (texts.isEmpty) { |
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return false; |
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} |
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// 将所有文本添加到队列 |
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for (final text in texts) { |
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if (text.isNotEmpty) { |
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final ssml = generateSsml( |
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text: text, |
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rate: rate, |
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pitch: pitch, |
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); |
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_textQueue.add(ssml); |
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} |
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} |
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// 如果队列未在处理中，开始处理 |
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if (!_isProcessingQueue) { |
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_processQueue(); |
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} |
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return true; |
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} |
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/// 处理语音合成队列 |
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Future<void> _processQueue() async { |
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if (_textQueue.isEmpty || _isProcessingQueue) { |
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return; |
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} |
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_isProcessingQueue = true; |
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try { |
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while (_textQueue.isNotEmpty) { |
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// 如果服务被禁用，清空队列并退出 |
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if (!isEnabled.value) { |
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_textQueue.clear(); |
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break; |
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} |
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|
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// 获取队列中的下一个 SSML |
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final ssml = _textQueue.removeAt(0); |
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|
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// 播放 SSML |
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await speakSsml(ssml); |
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} |
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} catch (e) { |
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print('处理语音队列时出错: $e'); |
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} finally { |
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_isProcessingQueue = false; |
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} |
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} |
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|
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/// 停止当前语音合成并清空队列 |
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Future<void> stop() async { |
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// 清空队列 |
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_textQueue.clear(); |
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|
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// 如果当前正在播放，尝试停止 |
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if (_isSpeaking) { |
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try { |
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await _channel.invokeMethod('dispose'); |
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await initialize(); // 重新初始化以确保资源正确释放和重建 |
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_isSpeaking = false; |
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isSpeaking.value = false; |
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} catch (e) { |
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print('停止语音合成时出错: $e'); |
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} |
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} |
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} |
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|
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/// 生成 SSML 文本 |
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/// |
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/// [text] 要转换的文本 |
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/// [voiceName] 可选，语音名称，默认使用当前设置的语音 |
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/// [rate] 可选，语速，范围 -100 到 100，默认为 0 |
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/// [pitch] 可选，音调，范围 -100 到 100，默认为 0 |
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/// |
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/// 返回 SSML 格式的文本 |
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String generateSsml({ |
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required String text, |
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String? voiceName, |
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int rate = 0, |
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int pitch = 0, |
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}) { |
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final voice = voiceName ?? _currentVoice; |
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final rateValue = rate.clamp(-100, 100); |
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final pitchValue = pitch.clamp(-100, 100); |
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|
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// 将 rate 和 pitch 转换为 SSML 格式的值 |
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final String rateStr = _convertRateToSsml(rateValue); |
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final String pitchStr = _convertPitchToSsml(pitchValue); |
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return ''' |
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<speak version="1.0" xmlns="http://www.w3.org/2001/10/synthesis" xmlns:mstts="https://www.w3.org/2001/mstts" xml:lang="zh-CN"> |
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<voice name="$voice"> |
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<prosody rate="$rateStr" pitch="$pitchStr"> |
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$text |
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</prosody> |
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</voice> |
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</speak> |
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'''; |
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} |
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/// 将 rate 值转换为 SSML 格式 |
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String _convertRateToSsml(int rate) { |
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if (rate == 0) return '0%'; |
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|
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// 将 -100 到 100 的范围映射到 -90% 到 100% |
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if (rate < 0) { |
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// 负值映射到 -90% 到 0% |
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return '${(rate * 0.9).round()}%'; |
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} else { |
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// 正值映射到 0% 到 100% |
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return '${rate}%'; |
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} |
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} |
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|
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/// 将 pitch 值转换为 SSML 格式 |
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String _convertPitchToSsml(int pitch) { |
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if (pitch == 0) return '0%'; |
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|
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// 将 -100 到 100 的范围映射到 -50% 到 50% |
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return '${(pitch * 0.5).round()}%'; |
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} |
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/// 释放资源 |
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Future<void> dispose() async { |
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if (!_isInitialized) return; |
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|
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try { |
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await _channel.invokeMethod('dispose'); |
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_isInitialized = false; |
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} on PlatformException catch (e) { |
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throw MicrosoftTtsException('释放资源失败: ${e.message}'); |
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} |
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} |
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} |
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@ -0,0 +1,308 @@ |
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import 'package:flutter/material.dart'; |
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import 'package:get/get.dart'; |
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import '../data/services/microsoft_tts_service.dart'; |
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|
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/// 微软 TTS 连续语音输出示例页面 |
|||
class MicrosoftTtsContinuousExample extends StatefulWidget { |
|||
const MicrosoftTtsContinuousExample({Key? key}) : super(key: key); |
|||
|
|||
@override |
|||
State<MicrosoftTtsContinuousExample> createState() => _MicrosoftTtsContinuousExampleState(); |
|||
} |
|||
|
|||
class _MicrosoftTtsContinuousExampleState extends State<MicrosoftTtsContinuousExample> { |
|||
final MicrosoftTtsService _ttsService = Get.find<MicrosoftTtsService>(); |
|||
|
|||
// 语音列表 |
|||
final List<Map<String, String>> _voices = [ |
|||
{'name': '晓晓（女声）', 'value': 'zh-CN-XiaoxiaoNeural'}, |
|||
{'name': '云扬（男声）', 'value': 'zh-CN-YunyangNeural'}, |
|||
{'name': '晓双（女声）', 'value': 'zh-CN-XiaoshuangNeural'}, |
|||
{'name': '云皓（男声）', 'value': 'zh-CN-YunhaoNeural'}, |
|||
{'name': '晓墨（女声）', 'value': 'zh-CN-XiaomoNeural'}, |
|||
{'name': '云泽（男声）', 'value': 'zh-CN-YunzeNeural'}, |
|||
]; |
|||
|
|||
String _selectedVoice = 'zh-CN-XiaoxiaoNeural'; |
|||
double _rate = 0; |
|||
double _pitch = 0; |
|||
bool _isLoading = false; |
|||
String _statusMessage = ''; |
|||
|
|||
// 预设的连续语音文本 |
|||
final List<String> _presetTexts = [ |
|||
'欢迎使用微软语音合成服务，这是连续语音输出的第一段文本。', |
|||
'这是第二段文本，用于测试连续语音输出功能。', |
|||
'现在是第三段文本，我们正在测试微软语音合成服务的连续合成能力。', |
|||
'最后一段测试文本，感谢您的收听。', |
|||
]; |
|||
|
|||
// 自定义文本列表 |
|||
final List<TextEditingController> _textControllers = []; |
|||
|
|||
@override |
|||
void initState() { |
|||
super.initState(); |
|||
// 初始化文本控制器 |
|||
for (final text in _presetTexts) { |
|||
_textControllers.add(TextEditingController(text: text)); |
|||
} |
|||
} |
|||
|
|||
@override |
|||
void dispose() { |
|||
// 释放文本控制器 |
|||
for (final controller in _textControllers) { |
|||
controller.dispose(); |
|||
} |
|||
super.dispose(); |
|||
} |
|||
|
|||
/// 播放连续文本 |
|||
Future<void> _speakContinuous() async { |
|||
final texts = _textControllers.map((controller) => controller.text).toList(); |
|||
|
|||
if (texts.every((text) => text.isEmpty)) { |
|||
_showSnackBar('请至少输入一段文本'); |
|||
return; |
|||
} |
|||
|
|||
setState(() { |
|||
_isLoading = true; |
|||
_statusMessage = '正在合成语音...'; |
|||
}); |
|||
|
|||
try { |
|||
// 设置语音 |
|||
await _ttsService.setVoice(_selectedVoice); |
|||
|
|||
// 停止之前的播放 |
|||
await _ttsService.stop(); |
|||
|
|||
// 连续播放多段文本 |
|||
final result = await _ttsService.speakMultiple( |
|||
texts.where((text) => text.isNotEmpty).toList(), |
|||
rate: _rate.round(), |
|||
pitch: _pitch.round(), |
|||
); |
|||
|
|||
setState(() { |
|||
_statusMessage = result ? '语音合成已加入队列' : '语音合成失败'; |
|||
}); |
|||
} catch (e) { |
|||
_showSnackBar('语音合成失败: $e'); |
|||
} finally { |
|||
setState(() { |
|||
_isLoading = false; |
|||
}); |
|||
} |
|||
} |
|||
|
|||
/// 停止播放 |
|||
Future<void> _stopSpeaking() async { |
|||
try { |
|||
await _ttsService.stop(); |
|||
setState(() { |
|||
_statusMessage = '语音合成已停止'; |
|||
}); |
|||
} catch (e) { |
|||
_showSnackBar('停止语音合成失败: $e'); |
|||
} |
|||
} |
|||
|
|||
/// 添加文本输入框 |
|||
void _addTextInput() { |
|||
setState(() { |
|||
_textControllers.add(TextEditingController()); |
|||
}); |
|||
} |
|||
|
|||
/// 删除文本输入框 |
|||
void _removeTextInput(int index) { |
|||
if (_textControllers.length <= 1) { |
|||
_showSnackBar('至少需要保留一个文本输入框'); |
|||
return; |
|||
} |
|||
|
|||
setState(() { |
|||
_textControllers[index].dispose(); |
|||
_textControllers.removeAt(index); |
|||
}); |
|||
} |
|||
|
|||
/// 显示提示信息 |
|||
void _showSnackBar(String message) { |
|||
ScaffoldMessenger.of(context).showSnackBar( |
|||
SnackBar(content: Text(message)), |
|||
); |
|||
} |
|||
|
|||
@override |
|||
Widget build(BuildContext context) { |
|||
return Scaffold( |
|||
appBar: AppBar( |
|||
title: const Text('微软连续语音合成示例'), |
|||
), |
|||
body: Padding( |
|||
padding: const EdgeInsets.all(16.0), |
|||
child: ListView( |
|||
children: [ |
|||
// 语音选择 |
|||
DropdownButtonFormField<String>( |
|||
value: _selectedVoice, |
|||
decoration: const InputDecoration( |
|||
labelText: '选择语音', |
|||
border: OutlineInputBorder(), |
|||
), |
|||
items: _voices.map((voice) { |
|||
return DropdownMenuItem<String>( |
|||
value: voice['value'], |
|||
child: Text(voice['name']!), |
|||
); |
|||
}).toList(), |
|||
onChanged: (value) { |
|||
if (value != null) { |
|||
setState(() { |
|||
_selectedVoice = value; |
|||
}); |
|||
} |
|||
}, |
|||
), |
|||
const SizedBox(height: 16), |
|||
|
|||
// 语速调节 |
|||
Row( |
|||
children: [ |
|||
const Text('语速:'), |
|||
Expanded( |
|||
child: Slider( |
|||
min: -100, |
|||
max: 100, |
|||
divisions: 20, |
|||
value: _rate, |
|||
label: _rate.round().toString(), |
|||
onChanged: (value) { |
|||
setState(() { |
|||
_rate = value; |
|||
}); |
|||
}, |
|||
), |
|||
), |
|||
Text('${_rate.round()}%'), |
|||
], |
|||
), |
|||
|
|||
// 音调调节 |
|||
Row( |
|||
children: [ |
|||
const Text('音调:'), |
|||
Expanded( |
|||
child: Slider( |
|||
min: -100, |
|||
max: 100, |
|||
divisions: 20, |
|||
value: _pitch, |
|||
label: _pitch.round().toString(), |
|||
onChanged: (value) { |
|||
setState(() { |
|||
_pitch = value; |
|||
}); |
|||
}, |
|||
), |
|||
), |
|||
Text('${_pitch.round()}%'), |
|||
], |
|||
), |
|||
|
|||
const SizedBox(height: 16), |
|||
|
|||
// 文本输入列表标题 |
|||
Row( |
|||
mainAxisAlignment: MainAxisAlignment.spaceBetween, |
|||
children: [ |
|||
const Text( |
|||
'连续语音文本', |
|||
style: TextStyle( |
|||
fontSize: 16, |
|||
fontWeight: FontWeight.bold, |
|||
), |
|||
), |
|||
ElevatedButton.icon( |
|||
onPressed: _addTextInput, |
|||
icon: const Icon(Icons.add), |
|||
label: const Text('添加文本'), |
|||
), |
|||
], |
|||
), |
|||
|
|||
const SizedBox(height: 8), |
|||
|
|||
// 文本输入列表 |
|||
...List.generate(_textControllers.length, (index) { |
|||
return Padding( |
|||
padding: const EdgeInsets.only(bottom: 8.0), |
|||
child: Row( |
|||
crossAxisAlignment: CrossAxisAlignment.start, |
|||
children: [ |
|||
Expanded( |
|||
child: TextField( |
|||
controller: _textControllers[index], |
|||
maxLines: 3, |
|||
decoration: InputDecoration( |
|||
labelText: '文本 ${index + 1}', |
|||
border: const OutlineInputBorder(), |
|||
), |
|||
), |
|||
), |
|||
IconButton( |
|||
icon: const Icon(Icons.delete), |
|||
onPressed: () => _removeTextInput(index), |
|||
), |
|||
], |
|||
), |
|||
); |
|||
}), |
|||
|
|||
const SizedBox(height: 16), |
|||
|
|||
// 操作按钮 |
|||
Row( |
|||
mainAxisAlignment: MainAxisAlignment.spaceEvenly, |
|||
children: [ |
|||
Expanded( |
|||
child: ElevatedButton.icon( |
|||
onPressed: _isLoading ? null : _speakContinuous, |
|||
icon: const Icon(Icons.play_arrow), |
|||
label: const Text('播放连续语音'), |
|||
), |
|||
), |
|||
const SizedBox(width: 8), |
|||
Expanded( |
|||
child: ElevatedButton.icon( |
|||
onPressed: _stopSpeaking, |
|||
icon: const Icon(Icons.stop), |
|||
label: const Text('停止'), |
|||
style: ElevatedButton.styleFrom( |
|||
backgroundColor: Colors.red, |
|||
), |
|||
), |
|||
), |
|||
], |
|||
), |
|||
|
|||
const SizedBox(height: 16), |
|||
|
|||
// 状态信息 |
|||
Obx(() => Text( |
|||
_ttsService.isSpeaking.value |
|||
? '正在播放语音...' |
|||
: _statusMessage, |
|||
style: const TextStyle(fontStyle: FontStyle.italic), |
|||
textAlign: TextAlign.center, |
|||
)), |
|||
], |
|||
), |
|||
), |
|||
); |
|||
} |
|||
} |
|||
@ -0,0 +1,202 @@ |
|||
import 'package:flutter/material.dart'; |
|||
import 'package:get/get.dart'; |
|||
import '../data/services/microsoft_tts_service.dart'; |
|||
|
|||
/// 微软 TTS 示例页面 |
|||
class MicrosoftTtsExample extends StatefulWidget { |
|||
const MicrosoftTtsExample({Key? key}) : super(key: key); |
|||
|
|||
@override |
|||
State<MicrosoftTtsExample> createState() => _MicrosoftTtsExampleState(); |
|||
} |
|||
|
|||
class _MicrosoftTtsExampleState extends State<MicrosoftTtsExample> { |
|||
final TextEditingController _textController = TextEditingController(); |
|||
final MicrosoftTtsService _ttsService = Get.find<MicrosoftTtsService>(); |
|||
|
|||
// 语音列表 |
|||
final List<Map<String, String>> _voices = [ |
|||
{'name': '晓晓（女声）', 'value': 'zh-CN-XiaoxiaoNeural'}, |
|||
{'name': '云扬（男声）', 'value': 'zh-CN-YunyangNeural'}, |
|||
{'name': '晓双（女声）', 'value': 'zh-CN-XiaoshuangNeural'}, |
|||
{'name': '云皓（男声）', 'value': 'zh-CN-YunhaoNeural'}, |
|||
{'name': '晓墨（女声）', 'value': 'zh-CN-XiaomoNeural'}, |
|||
{'name': '云泽（男声）', 'value': 'zh-CN-YunzeNeural'}, |
|||
]; |
|||
|
|||
String _selectedVoice = 'zh-CN-XiaoxiaoNeural'; |
|||
double _rate = 0; |
|||
double _pitch = 0; |
|||
bool _isLoading = false; |
|||
String _statusMessage = ''; |
|||
|
|||
@override |
|||
void initState() { |
|||
super.initState(); |
|||
_textController.text = '欢迎使用微软语音合成服务，这是一个示例文本。'; |
|||
} |
|||
|
|||
@override |
|||
void dispose() { |
|||
_textController.dispose(); |
|||
super.dispose(); |
|||
} |
|||
|
|||
/// 播放文本 |
|||
Future<void> _speakText() async { |
|||
if (_textController.text.isEmpty) { |
|||
_showSnackBar('请输入要合成的文本'); |
|||
return; |
|||
} |
|||
|
|||
setState(() { |
|||
_isLoading = true; |
|||
_statusMessage = '正在合成语音...'; |
|||
}); |
|||
|
|||
try { |
|||
// 设置语音 |
|||
await _ttsService.setVoice(_selectedVoice); |
|||
|
|||
// 生成 SSML |
|||
final ssml = _ttsService.generateSsml( |
|||
text: _textController.text, |
|||
rate: _rate.round(), |
|||
pitch: _pitch.round(), |
|||
); |
|||
|
|||
// 播放 SSML |
|||
final result = await _ttsService.speakSsml(ssml); |
|||
|
|||
setState(() { |
|||
_statusMessage = result; |
|||
}); |
|||
} catch (e) { |
|||
_showSnackBar('语音合成失败: $e'); |
|||
} finally { |
|||
setState(() { |
|||
_isLoading = false; |
|||
}); |
|||
} |
|||
} |
|||
|
|||
/// 显示提示信息 |
|||
void _showSnackBar(String message) { |
|||
ScaffoldMessenger.of(context).showSnackBar( |
|||
SnackBar(content: Text(message)), |
|||
); |
|||
} |
|||
|
|||
@override |
|||
Widget build(BuildContext context) { |
|||
return Scaffold( |
|||
appBar: AppBar( |
|||
title: const Text('微软语音合成示例'), |
|||
), |
|||
body: Padding( |
|||
padding: const EdgeInsets.all(16.0), |
|||
child: Column( |
|||
crossAxisAlignment: CrossAxisAlignment.stretch, |
|||
children: [ |
|||
// 文本输入框 |
|||
TextField( |
|||
controller: _textController, |
|||
maxLines: 5, |
|||
decoration: const InputDecoration( |
|||
labelText: '输入要合成的文本', |
|||
border: OutlineInputBorder(), |
|||
), |
|||
), |
|||
const SizedBox(height: 16), |
|||
|
|||
// 语音选择 |
|||
DropdownButtonFormField<String>( |
|||
value: _selectedVoice, |
|||
decoration: const InputDecoration( |
|||
labelText: '选择语音', |
|||
border: OutlineInputBorder(), |
|||
), |
|||
items: _voices.map((voice) { |
|||
return DropdownMenuItem<String>( |
|||
value: voice['value'], |
|||
child: Text(voice['name']!), |
|||
); |
|||
}).toList(), |
|||
onChanged: (value) { |
|||
if (value != null) { |
|||
setState(() { |
|||
_selectedVoice = value; |
|||
}); |
|||
} |
|||
}, |
|||
), |
|||
const SizedBox(height: 16), |
|||
|
|||
// 语速调节 |
|||
Row( |
|||
children: [ |
|||
const Text('语速:'), |
|||
Expanded( |
|||
child: Slider( |
|||
min: -100, |
|||
max: 100, |
|||
divisions: 20, |
|||
value: _rate, |
|||
label: _rate.round().toString(), |
|||
onChanged: (value) { |
|||
setState(() { |
|||
_rate = value; |
|||
}); |
|||
}, |
|||
), |
|||
), |
|||
Text('${_rate.round()}%'), |
|||
], |
|||
), |
|||
|
|||
// 音调调节 |
|||
Row( |
|||
children: [ |
|||
const Text('音调:'), |
|||
Expanded( |
|||
child: Slider( |
|||
min: -100, |
|||
max: 100, |
|||
divisions: 20, |
|||
value: _pitch, |
|||
label: _pitch.round().toString(), |
|||
onChanged: (value) { |
|||
setState(() { |
|||
_pitch = value; |
|||
}); |
|||
}, |
|||
), |
|||
), |
|||
Text('${_pitch.round()}%'), |
|||
], |
|||
), |
|||
|
|||
const SizedBox(height: 16), |
|||
|
|||
// 播放按钮 |
|||
ElevatedButton( |
|||
onPressed: _isLoading ? null : _speakText, |
|||
child: _isLoading |
|||
? const CircularProgressIndicator() |
|||
: const Text('播放'), |
|||
), |
|||
|
|||
const SizedBox(height: 16), |
|||
|
|||
// 状态信息 |
|||
Text( |
|||
_statusMessage, |
|||
style: const TextStyle(fontStyle: FontStyle.italic), |
|||
textAlign: TextAlign.center, |
|||
), |
|||
], |
|||
), |
|||
), |
|||
); |
|||
} |
|||
} |
|||
Loading…
Reference in new issue