利用websocket实现语音实时对讲-Toy模板网

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java获取pcm音频流并通过websocket发送给前端，同时接收前端发送的bytebuffer音频流并解码播放，实现语音对讲。

package com.example.audiodemo.component;


import cn.hutool.core.util.ObjectUtil;
import lombok.SneakyThrows;
import org.java_websocket.client.WebSocketClient;
import org.java_websocket.drafts.Draft_6455;
import org.java_websocket.handshake.ServerHandshake;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.stereotype.Component;


import javax.sound.sampled.*;
import javax.websocket.server.ServerEndpoint;
import java.net.URI;
import java.nio.ByteBuffer;
import java.util.concurrent.CompletableFuture;

@Component
public class AudioServer {

    protected final Logger logger = LoggerFactory.getLogger(this.getClass());
    @Bean
    public WebSocketClient webSocketClient() {


        try {
            WebSocketClient webSocketClient = new WebSocketClient(new URI("ws://" + "172.16.20.69:8080" + "/websocket/audio/123"), new Draft_6455()) {
                @SneakyThrows
                @Override
                public void onOpen(ServerHandshake handshakedata) {
                    logger.info("[websocket] 连接成功");
                }

                @Override
                public void onMessage(String s) {

                }


                @SneakyThrows
                @Override
                public void onMessage(ByteBuffer message) {
                    if (ObjectUtil.isEmpty(message)) {
                        return;
                    }
                    byte[] bytes = new byte[1024];
                    bytes = message.array();
                    AudioFormat format = new AudioFormat(44100, 16, 1, true, false);
                    SourceDataLine sourceDataLine = AudioSystem.getSourceDataLine(format);
                    sourceDataLine.open(format);
                    sourceDataLine.start();
                    byte[] finalBytes = bytes;
                    logger.info("播放中");
                    CompletableFuture.runAsync(() -> {
                        // 休眠  防止过快
                        try {
                            Thread.sleep(500);
                        } catch (InterruptedException e) {
                            e.printStackTrace();
                        }
                        sourceDataLine.write(finalBytes, 0, finalBytes.length );

                    });



                };
                @Override
                public void onClose(int code, String reason, boolean remote) {
                    logger.info("[websocket] 退出连接");
                }

                @Override
                public void onError(Exception ex) {
                    logger.info("[websocket] 连接错误={}", ex.getMessage());
                }
            };
            webSocketClient.connect();
            AudioFormat audioFormat = new AudioFormat(44100, 16, 1, true, false);
            TargetDataLine targetDataLine = AudioSystem.getTargetDataLine(audioFormat);
            targetDataLine.open(audioFormat);
            targetDataLine.start();
            logger.info("录音中");
            SourceDataLine sourceDataLine = AudioSystem.getSourceDataLine(audioFormat);
            sourceDataLine.open(audioFormat);
            sourceDataLine.start();
            byte[] b = new byte[1024];//缓存音频数据
            new Thread(new Runnable() {
                @Override
                public void run() {

                    int a = 0;
                    while(a!=-1) {
                        a = targetDataLine.read(b, 0, b.length);//捕获录音数据
                        webSocketClient.send(b);
                        for (int i = 0; i < b.length; i++) {
                        }
                    }
                }
            }).start();
            return webSocketClient;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;

    }


}

java获取pcm音频流参考以下链接内容Java编程：实时获取麦克风数据流并进行播放_浅玩电子的博客-CSDN博客_java 获取麦克风文章来源地址https://www.toymoban.com/news/detail-512793.html

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