This commit is contained in:
田岩
2025-12-01 21:00:54 +08:00
parent fde86ef902
commit 67c44bc746
97 changed files with 45781 additions and 395 deletions
@@ -0,0 +1,237 @@
<template>
<view class="container">
<button @click="onStartRecord" :disabled="isRecording">开始录音</button>
<button @click="onStopRecord" :disabled="!isRecording">停止录音</button>
<view class="tip">{{ status }}</view>
<view class="tip">当前分贝{{ currentDecibels }}</view>
<yao-RecordFrame ref="recordFrame" @onFrameRecorded="frameRecorded" @currentDecibels="onCurrentDecibels"
@onStop="stopIt">
</yao-RecordFrame>
<sdx-StreamPlayer>xx</sdx-StreamPlayer>
</view>
</template>
<script>
export default {
data() {
return {
status: "未录音",
currentDecibels: 0,
isRecording: false,
ws: null, // WebSocket 实例
audioContext: null, // 音频上下文
scriptProcessor: null, // 音频处理节点
audioBufferSource: null, // 音频源节点
frameBufferList: [], // 缓存音频帧
wsUrl: "ws://172.16.89.58:8000/ws/audio", // 替换为实际后端地址
};
},
onUnload() {
// 页面卸载时清理资源
this.stopRecordAndClean();
},
methods: {
// 申请录音权限
async applyRecordPermission() {
try {
const res = await uni.requestPermissions({
scope: "scope.record"
});
const isGranted = res[0].grantStatus === 1;
if (!isGranted) {
uni.showToast({
title: "请授予录音权限",
icon: "none"
});
}
return isGranted;
} catch (e) {
console.error("申请权限失败:", e);
return false;
}
},
// ArrayBuffer 转字符串
// 兼容的 ArrayBuffer 转字符串方法
arrayBufferToStringCompat(buffer) {
// 方法1: 使用 String.fromCharCode 和 Uint8Array
const uint8Array = new Uint8Array(buffer);
let str = '';
for (let i = 0; i < uint8Array.length; i++) {
str += String.fromCharCode(uint8Array[i]);
}
return str;
// 方法2: 或者使用更简洁的方式
// return String.fromCharCode.apply(null, new Uint8Array(buffer));
},
// 开始录音
async onStartRecord() {
// 1. 申请权限
// const hasPermission = await this.applyRecordPermission();
// if (!hasPermission) return;
this.ws = uni.connectSocket({
url: this.wsUrl, //仅为示例,并非真实接口地址。
complete: () => {
console.log('complete');
},
success: () => {
console.log('web');
this.ws.onOpen((res) => {
console.log('WebSocket连接已打开', res);
this.ws.onMessage((res) => {
let messageData = res.data;
// 处理不同类型的数据
if (typeof messageData === 'string') {
// 文本数据
try {
const parsedData = JSON.parse(messageData);
this.handleMessage(parsedData);
} catch (e) {
this.handleMessage(messageData);
}
} else if (messageData instanceof ArrayBuffer) {
// 二进制数据
try {
// const str = this.arrayBufferToStringCompat(messageData);
// console.log('转换后的字符串:', str);
} catch (e) {
console.log('二进制数据解析失败:', e);
}
}
})
});
},
fail: () => {
console.log('fail');
},
});
// await this.initWebSocket();
// 3. 启动录音
try {
this.$refs.recordFrame.start({
sampleRate: 16000,
frameSize: 1024,
gain: 1.0,
onFrameRecorded: ({
isLastFrame,
frameBuffer
}) => {
// 处理帧数据(如实时上传/渲染)
// console.log('帧数据:', frameData);
this.ws.send({
data: frameBuffer
});
},
onDecibels: (decibels) => {
// 处理分贝数据(如实时更新UI
// console.log('当前分贝:', decibels);
this.currentDecibels = decibels;
}
});
this.isRecording = true;
this.status = "录音中...";
} catch (e) {
console.error("启动录音失败:", e);
this.status = "启动录音失败";
this.isRecording = false;
}
},
// 停止录音
onStopRecord() {
this.stopRecordAndClean();
},
// 停止录音并清理资源
stopRecordAndClean() {
if (this.isRecording) {
// 停止录音组件
this.$refs.recordFrame.stop();
this.isRecording = false;
this.status = "已停止录音";
}
// 关闭 WebSocket
if (this.ws) {
this.ws.close();
this.ws = null;
}
// 清理音频上下文
if (this.audioContext) {
this.audioContext.close();
this.audioContext = null;
this.scriptProcessor = null;
this.frameBufferList = [];
}
// 重置状态
this.currentDecibels = 0;
},
// 接收音频帧并处理
frameRecorded({
isLastFrame,
frameBuffer
}) {
// console.log("收到音频帧:", isLastFrame, frameBuffer.length);
// 2. 通过 WebSocket 发送给后端
if (this.ws) {
try {
this.ws.send({
data: frameBuffer
});
} catch (e) {
console.error("发送音频帧失败:", e);
}
}
},
// 监听分贝值
onCurrentDecibels(decibels) {
// this.currentDecibels = decibels.toFixed(2);
// console.log("当前分贝:", this.currentDecibels);
},
// 录音停止回调
stopIt(base64) {
this.stopRecordAndClean();
console.log("录音停止,最终音频Base64", base64?.substring(0, 50) + "...");
},
},
};
</script>
<style scoped>
.container {
padding: 20rpx;
}
button {
margin: 10rpx 0;
padding: 15rpx 30rpx;
background: #007aff;
color: white;
border: none;
border-radius: 8rpx;
}
button:disabled {
background: #ccc;
}
.tip {
margin: 15rpx 0;
font-size: 28rpx;
color: #333;
}
</style>