package com.project.common.utils;

import com.jacob.activeX.ActiveXComponent;
import com.jacob.com.ComFailException;
import com.jacob.com.Dispatch;
import com.jacob.com.Variant;

public class TextToSpeechUtils {

    public static void textToSpeech(String text) throws Exception {
        ActiveXComponent ax = null;
        try {
            ax = new ActiveXComponent("Sapi.SpVoice");

            // 运行时输出语音内容
            Dispatch spVoice = ax.getObject();
            // 音量 0-100
            ax.setProperty("Volume", new Variant(100));
            // 语音朗读速度 -10 到 +10(-10语速最慢，10语速最快)
            ax.setProperty("Rate", new Variant(-2));
            /*  执行朗读，默认调用系统中的TTS语音播放引擎，若本机没有语音设备
            可能会抛出异常(com.jacob.com.ComFailException: Invoke of: Speak) */
            Dispatch.call(spVoice, "Speak", new Variant(text));

            // 下面是构建文件流生成语音文件
            ax = new ActiveXComponent("Sapi.SpFileStream");
            Dispatch spFileStream = ax.getObject();

            ax = new ActiveXComponent("Sapi.SpAudioFormat");
            Dispatch spAudioFormat = ax.getObject();

            // 设置音频流格式
            Dispatch.put(spAudioFormat, "Type", new Variant(22));
            // 设置文件输出流格式
            Dispatch.putRef(spFileStream, "Format", spAudioFormat);
            // 调用输出 文件流打开方法，创建一个.wav文件
            Dispatch.call(spFileStream, "Open", new Variant("./text.wav"),
                    new Variant(3), new Variant(true));
            // 设置声音对象的音频输出流为输出文件对象
            Dispatch.putRef(spVoice, "AudioOutputStream", spFileStream);
            // 设置音量 0到100
            Dispatch.put(spVoice, "Volume", new Variant(100));
            // 设置朗读速度
            Dispatch.put(spVoice, "Rate", new Variant(-2));
            // 开始朗读
            Dispatch.call(spVoice, "Speak", new Variant(text));

            // 关闭输出文件
            Dispatch.call(spFileStream, "Close");
            Dispatch.putRef(spVoice, "AudioOutputStream", null);

            spAudioFormat.safeRelease();
            spFileStream.safeRelease();
            spVoice.safeRelease();
            ax.safeRelease();

        } catch (ComFailException e) {
            //e.printStackTrace();
            throw new Exception("没有可用的音频，请连接外接设备(耳机或音箱播放)");
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

}