优化:拆分test_page.html一部分代码

This commit is contained in:
JianYu Zheng
2025-08-13 14:25:04 +08:00
parent a1f6795d44
commit a9d116df2f
3 changed files with 163 additions and 153 deletions
+10
View File
@@ -6,6 +6,7 @@ const messageInput = document.getElementById('messageInput');
const sendTextButton = document.getElementById('sendTextButton');
const recordButton = document.getElementById('recordButton');
const stopButton = document.getElementById('stopButton');
// 会话记录
const conversationDiv = document.getElementById('conversation');
const logContainer = document.getElementById('logContainer');
let visualizerCanvas = document.getElementById('audioVisualizer');
@@ -37,3 +38,12 @@ export function updateScriptStatus(message, type) {
}
}
// 添加消息到会话记录
export function addMessage(text, isUser = false) {
const messageDiv = document.createElement('div');
messageDiv.className = `message ${isUser ? 'user' : 'server'}`;
messageDiv.textContent = text;
conversationDiv.appendChild(messageDiv);
conversationDiv.scrollTop = conversationDiv.scrollHeight;
}
+143
View File
@@ -40,4 +40,147 @@ export function checkOpusLoaded() {
log(`Opus库加载失败,请检查libopus.js文件是否存在且正确: ${err.message}`, 'error');
updateScriptStatus('Opus库加载失败,请检查libopus.js文件是否存在且正确', 'error');
}
}
// 创建一个Opus编码器
let opusEncoder = null;
export function initOpusEncoder() {
try {
if (opusEncoder) {
return opusEncoder; // 已经初始化过
}
if (!window.ModuleInstance) {
log('无法创建Opus编码器:ModuleInstance不可用', 'error');
return;
}
// 初始化一个Opus编码器
const mod = window.ModuleInstance;
const sampleRate = 16000; // 16kHz采样率
const channels = 1; // 单声道
const application = 2048; // OPUS_APPLICATION_VOIP = 2048
// 创建编码器
opusEncoder = {
channels: channels,
sampleRate: sampleRate,
frameSize: 960, // 60ms @ 16kHz = 60 * 16 = 960 samples
maxPacketSize: 4000, // 最大包大小
module: mod,
// 初始化编码器
init: function () {
try {
// 获取编码器大小
const encoderSize = mod._opus_encoder_get_size(this.channels);
log(`Opus编码器大小: ${encoderSize}字节`, 'info');
// 分配内存
this.encoderPtr = mod._malloc(encoderSize);
if (!this.encoderPtr) {
throw new Error("无法分配编码器内存");
}
// 初始化编码器
const err = mod._opus_encoder_init(
this.encoderPtr,
this.sampleRate,
this.channels,
application
);
if (err < 0) {
throw new Error(`Opus编码器初始化失败: ${err}`);
}
// 设置位率 (16kbps)
mod._opus_encoder_ctl(this.encoderPtr, 4002, 16000); // OPUS_SET_BITRATE
// 设置复杂度 (0-10, 越高质量越好但CPU使用越多)
mod._opus_encoder_ctl(this.encoderPtr, 4010, 5); // OPUS_SET_COMPLEXITY
// 设置使用DTX (不传输静音帧)
mod._opus_encoder_ctl(this.encoderPtr, 4016, 1); // OPUS_SET_DTX
log("Opus编码器初始化成功", 'success');
return true;
} catch (error) {
if (this.encoderPtr) {
mod._free(this.encoderPtr);
this.encoderPtr = null;
}
log(`Opus编码器初始化失败: ${error.message}`, 'error');
return false;
}
},
// 编码PCM数据为Opus
encode: function (pcmData) {
if (!this.encoderPtr) {
if (!this.init()) {
return null;
}
}
try {
const mod = this.module;
// 为PCM数据分配内存
const pcmPtr = mod._malloc(pcmData.length * 2); // 2字节/int16
// 将PCM数据复制到HEAP
for (let i = 0; i < pcmData.length; i++) {
mod.HEAP16[(pcmPtr >> 1) + i] = pcmData[i];
}
// 为输出分配内存
const outPtr = mod._malloc(this.maxPacketSize);
// 进行编码
const encodedLen = mod._opus_encode(
this.encoderPtr,
pcmPtr,
this.frameSize,
outPtr,
this.maxPacketSize
);
if (encodedLen < 0) {
throw new Error(`Opus编码失败: ${encodedLen}`);
}
// 复制编码后的数据
const opusData = new Uint8Array(encodedLen);
for (let i = 0; i < encodedLen; i++) {
opusData[i] = mod.HEAPU8[outPtr + i];
}
// 释放内存
mod._free(pcmPtr);
mod._free(outPtr);
return opusData;
} catch (error) {
log(`Opus编码出错: ${error.message}`, 'error');
return null;
}
},
// 销毁编码器
destroy: function () {
if (this.encoderPtr) {
this.module._free(this.encoderPtr);
this.encoderPtr = null;
}
}
};
opusEncoder.init();
return opusEncoder;
} catch (error) {
log(`创建Opus编码器失败: ${error.message}`, 'error');
return false;
}
}