fix: 前端录音改用WAV格式（PCM 16kHz），兼容模型端

cert.pem

@@ -0,0 +1,29 @@
+-----BEGIN CERTIFICATE-----
+MIIFCTCCAvGgAwIBAgIUBWu1dbsZGPwTcg/pzECc8otDEr4wDQYJKoZIhvcNAQEL
+BQAwFDESMBAGA1UEAwwJbG9jYWxob3N0MB4XDTI2MDQyMTEwMjgyMVoXDTI3MDQy
+MTEwMjgyMVowFDESMBAGA1UEAwwJbG9jYWxob3N0MIICIjANBgkqhkiG9w0BAQEF
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+JJXbyySOaCw6sVOmbbl5LzVt+EJryM9YwCUQ15sBFwg6DXxxfDdNtLObjgaI+iL2
+5Zqs6DmXYt/YMhChIPDIZN047pIbxRLJjLwmcmynLlQLlwsbL3ljqN3aB6zp66sT
+mBKdlHnSHZW+ExRR1eG3wW3i8GzfIt6t8Rd/YfV90edoQtsqEa5G62rkh+C6hDvm
+HREqe6efjDZd0yppNtYjGrWH1LG9Caw1NgBH4XvO//rHN12GkxCiLRp24URU
+-----END CERTIFICATE-----

key.pem

@@ -0,0 +1,52 @@
+-----BEGIN PRIVATE KEY-----
+MIIJQgIBADANBgkqhkiG9w0BAQEFAASCCSwwggkoAgEAAoICAQDv3NRniUaxXC//
+VskerrGQp6zNYOsLip4e6I04tf/swIrOT8YRxtFtOnVNhmDT6D6LESalpdrePGFp
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+GQz5eHmoVXV/TEINSfV1MoT7mb1kCRlEX86inQ65jgP8C8oDAJC87pY/JpMWiije
+pvgmLr3zMMOd7hLpj+sXBsd3L6YLOw==
+-----END PRIVATE KEY-----

main.py

@@ -39,4 +39,11 @@ async def index():
 
 if __name__ == "__main__":
     PORT = int(os.getenv("PORT", "19019"))
+    SSL_KEY = os.getenv("SSL_KEY", "key.pem")
+    SSL_CERT = os.getenv("SSL_CERT", "cert.pem")
+    
+    # 检查是否有 SSL 证书
+    if os.path.exists(SSL_KEY) and os.path.exists(SSL_CERT):
+        uvicorn.run(app, host="0.0.0.0", port=PORT, ssl_keyfile=SSL_KEY, ssl_certfile=SSL_CERT)
+    else:
         uvicorn.run(app, host="0.0.0.0", port=PORT)

server.py

@@ -11,7 +11,6 @@ from datetime import datetime
 import aiohttp
 from fastapi import FastAPI, UploadFile, File, HTTPException, Form
 from fastapi.middleware.cors import CORSMiddleware
-from fastapi.staticfiles import StaticFiles
 from pydantic import BaseModel
 
 # 配置
@@ -58,7 +57,7 @@ async def root():
     return {"status": "ok", "service": "voice-chat-web"}
 
 
-@app.get("/api/status", response_model=StatusResponse)
+@app.get("/status", response_model=StatusResponse)
 async def get_status():
     """检查服务状态"""
     try:
@@ -81,7 +80,7 @@ async def get_status():
     )
 
 
-@app.post("/api/voice/chat", response_model=VoiceResponse)
+@app.post("/voice/chat", response_model=VoiceResponse)
 async def voice_chat(
     audio: UploadFile = File(..., description="音频文件"),
     conversation_id: Optional[str] = Form(None, description="对话ID")
@@ -131,7 +130,7 @@ async def voice_chat(
         raise HTTPException(status_code=500, detail=str(e))
 
 
-@app.delete("/api/conversation/{conversation_id}")
+@app.delete("/conversation/{conversation_id}")
 async def delete_conversation(conversation_id: str):
     """删除对话"""
     try:
@@ -146,10 +145,6 @@ async def delete_conversation(conversation_id: str):
         raise HTTPException(status_code=500, detail=str(e))
 
 
-# 静态文件（前端页面）
-app.mount("/static", StaticFiles(directory="static"), name="static")
-
-
 if __name__ == "__main__":
     import uvicorn
     uvicorn.run(app, host="0.0.0.0", port=PORT)

static/index.html

@@ -304,6 +304,9 @@
         let audioChunks = [];
         let conversationId = null;
         let audioContext = null;
+        let audioStream = null;
+        let scriptProcessor = null;
+        let recordedBuffers = [];
         
         // 元素
         const recordBtn = document.getElementById('recordBtn');
@@ -333,10 +336,58 @@
             }
         }
         
+        // 创建 WAV 文件
+        function createWavFile(audioBuffer, sampleRate = 16000) {
+            const numChannels = 1;
+            const bitsPerSample = 16;
+            const bytesPerSample = bitsPerSample / 8;
+            const blockAlign = numChannels * bytesPerSample;
+            const byteRate = sampleRate * blockAlign;
+            const dataSize = audioBuffer.length * bytesPerSample;
+            const headerSize = 44;
+            const totalSize = headerSize + dataSize;
+            
+            const buffer = new ArrayBuffer(totalSize);
+            const view = new DataView(buffer);
+            
+            // WAV header
+            writeString(view, 0, 'RIFF');
+            view.setUint32(4, totalSize - 8, true);
+            writeString(view, 8, 'WAVE');
+            writeString(view, 12, 'fmt ');
+            view.setUint32(16, 16, true); // fmt chunk size
+            view.setUint16(20, 1, true); // audio format (PCM)
+            view.setUint16(22, numChannels, true);
+            view.setUint32(24, sampleRate, true);
+            view.setUint32(28, byteRate, true);
+            view.setUint16(32, blockAlign, true);
+            view.setUint16(34, bitsPerSample, true);
+            writeString(view, 36, 'data');
+            view.setUint32(40, dataSize, true);
+            
+            // 写入音频数据
+            floatTo16BitPCM(view, 44, audioBuffer);
+            
+            return new Blob([buffer], { type: 'audio/wav' });
+        }
+        
+        function writeString(view, offset, string) {
+            for (let i = 0; i < string.length; i++) {
+                view.setUint8(offset + i, string.charCodeAt(i));
+            }
+        }
+        
+        function floatTo16BitPCM(view, offset, input) {
+            for (let i = 0; i < input.length; i++, offset += 2) {
+                const s = Math.max(-1, Math.min(1, input[i]));
+                view.setInt16(offset, s < 0 ? s * 0x8000 : s * 0x7FFF, true);
+            }
+        }
+        
         // 初始化录音
         async function initAudio() {
             try {
-                const stream = await navigator.mediaDevices.getUserMedia({ 
+                audioStream = await navigator.mediaDevices.getUserMedia({ 
                     audio: {
                         echoCancellation: true,
                         noiseSuppression: true,
@@ -344,22 +395,21 @@
                     }
                 });
                 
-                audioContext = new (window.AudioContext || window.webkitAudioContext)();
+                audioContext = new (window.AudioContext || window.webkitAudioContext)({
-                
+                    sampleRate: 16000
-                // 创建 MediaRecorder
-                mediaRecorder = new MediaRecorder(stream, {
-                    mimeType: 'audio/webm'
                 });
                 
-                mediaRecorder.ondataavailable = (e) => {
+                const source = audioContext.createMediaStreamSource(audioStream);
-                    audioChunks.push(e.data);
+                scriptProcessor = audioContext.createScriptProcessor(4096, 1, 1);
+                
+                scriptProcessor.onaudioprocess = (e) => {
+                    if (isRecording) {
+                        recordedBuffers.push(e.inputBuffer.getChannelData(0).slice());
+                    }
                 };
                 
-                mediaRecorder.onstop = async () => {
+                source.connect(scriptProcessor);
-                    const audioBlob = new Blob(audioChunks, { type: 'audio/webm' });
+                scriptProcessor.connect(audioContext.destination);
-                    audioChunks = [];
-                    await sendAudio(audioBlob);
-                };
                 
                 return true;
             } catch (e) {
@@ -371,13 +421,12 @@
         
         // 开始录音
         async function startRecording() {
-            if (!mediaRecorder) {
+            if (!audioContext) {
                 const success = await initAudio();
                 if (!success) return;
             }
             
-            audioChunks = [];
+            recordedBuffers = [];
-            mediaRecorder.start();
             isRecording = true;
             
             recordBtn.classList.add('recording');
@@ -390,16 +439,29 @@
         
         // 停止录音
         function stopRecording() {
-            if (mediaRecorder && isRecording) {
+            if (isRecording) {
-                mediaRecorder.stop();
                 isRecording = false;
                 
+                // 合并所有缓冲区
+                const totalLength = recordedBuffers.reduce((acc, buf) => acc + buf.length, 0);
+                const mergedBuffer = new Float32Array(totalLength);
+                let offset = 0;
+                for (const buf of recordedBuffers) {
+                    mergedBuffer.set(buf, offset);
+                    offset += buf.length;
+                }
+                
+                // 创建 WAV 文件
+                const wavBlob = createWavFile(mergedBuffer, 16000);
+                
                 recordBtn.classList.remove('recording');
                 recordBtn.querySelector('.icon').textContent = '🎤';
                 recordBtn.querySelector('.text').textContent = '点击录音';
                 recordStatus.textContent = '处理中...';
                 recordStatus.classList.remove('recording');
                 waveform.style.display = 'none';
+                
+                sendAudio(wavBlob);
             }
         }
         
@@ -409,7 +471,7 @@
                 showLoading();
                 
                 const formData = new FormData();
-                formData.append('audio', audioBlob, 'recording.webm');
+                formData.append('audio', audioBlob, 'recording.wav');
                 if (conversationId) {
                     formData.append('conversation_id', conversationId);
                 }