【m】远端占位背景添加

WebApp/client/public/onebyone/index.html

@@ -155,6 +155,17 @@
                        data-field="remoteUser.videoStream">
                 </video>
 
+                <!-- 远端未连接时的占位背景 -->
+                <div id="remoteVideoPlaceholder" class="absolute inset-0 flex items-center justify-center bg-gradient-to-br from-indigo-900/80 to-purple-900/80">
+                    <div class="text-center">
+                        <div class="w-32 h-32 rounded-full bg-indigo-700/50 flex items-center justify-center mx-auto mb-4">
+                            <i class="fas fa-user text-4xl text-white/70"></i>
+                        </div>
+                        <p class="text-white text-lg font-medium">等待对方连接...</p>
+                        <p class="text-sm text-gray-400 mt-2">请确保对方已加入通话</p>
+                    </div>
+                </div>
+
                 <!-- 远端信息覆盖层 -->
                 <div class="absolute top-6 left-6 glass px-4 py-2 rounded-full flex items-center gap-3">
                     <div class="relative">

WebApp/client/public/onebyone/renderer.js

@@ -3,7 +3,7 @@
  * 负责将状态映射到DOM，与状态管理解耦
  */
 import { formatTime, formatTimestamp, toggleElement, toggleButtonState } from './utils.js';
-import {mockCallSession } from './models.js';
+import { mockCallSession } from './models.js';
 class UIRenderer {
     constructor(stateManager) {
         this.stateManager = stateManager;
@@ -22,6 +22,7 @@ class UIRenderer {
 
             // 远端视频
             remoteVideo: document.getElementById('remoteVideo'),
+            remoteVideoPlaceholder: document.getElementById('remoteVideoPlaceholder'),
             remoteAvatar: document.getElementById('remoteAvatar'),
             remoteName: document.getElementById('remoteName'),
             remoteStatus: document.getElementById('remoteStatus'),
@@ -57,6 +58,17 @@ class UIRenderer {
         this.unsubscribe = stateManager.subscribe(this.render.bind(this));
         // 初始化渲染
         this.render(this.stateManager.getState(), { type: 'INIT' });
+
+        window.addEventListener('resize', () => {
+            if (this.elements.remoteVideo && this.elements.remoteVideo.srcObject) {
+                const stream = this.elements.remoteVideo.srcObject;
+                const videoTracks = stream.getVideoTracks();
+                if (videoTracks.length > 0) {
+                    const resolution = this.getVideoResolution(videoTracks[0]);
+                    this.adjustVideoSize(this.elements.remoteVideo, resolution);
+                }
+            }
+        });
     }
 
     // 绑定事件监听器
@@ -75,6 +87,15 @@ class UIRenderer {
                 this.renderControlButtons(state.session.localUser.mediaState);
                 this.renderChatMessages(state.messages);
                 this.renderUserList(state.session.localUser, state.session.remoteUser);
+
+                // 初始化时检查远程流状态，显示或隐藏占位背景
+                if (this.elements.remoteVideoPlaceholder) {
+                    if (state.remoteStream) {
+                        this.elements.remoteVideoPlaceholder.classList.add('hidden');
+                    } else {
+                        this.elements.remoteVideoPlaceholder.classList.remove('hidden');
+                    }
+                }
                 break;
             case 'DURATION_UPDATE':
                 this.renderCallDuration(changes.duration);
@@ -215,14 +236,41 @@ class UIRenderer {
         if (this.elements.remoteVideo && stream) {
             this.elements.remoteVideo.srcObject = stream;
             this.elements.remoteVideo.autoplay = true;
+
+            // 关键设置：启用硬件加速和最佳质量渲染
+            this.elements.remoteVideo.style.transform = 'translateZ(0)'; // 启用硬件加速
+            this.elements.remoteVideo.style.imageRendering = 'pixelated'; // 保持像素清晰
+            this.elements.remoteVideo.style.objectFit = 'contain'; // 保持比例
             console.log('Remote stream set successfully:', this.elements.remoteVideo.srcObject);
 
             // 隐藏断开连接覆盖层
             if (this.elements.disconnectedOverlay) {
                 this.elements.disconnectedOverlay.classList.add('hidden');
             }
+
+            // 隐藏占位背景
+            if (this.elements.remoteVideoPlaceholder) {
+                this.elements.remoteVideoPlaceholder.classList.add('hidden');
+            }
+            // 获取视频轨道并处理分辨率
+            const videoTracks = stream.getVideoTracks();
+            if (videoTracks.length > 0) {
+                const resolution = this.getVideoResolution(videoTracks[0]);
+                this.adjustVideoSize(this.elements.remoteVideo, resolution);
+
+                // 监听轨道变化，处理分辨率调整
+                videoTracks[0].addEventListener('resize', () => {
+                    const newResolution = this.getVideoResolution(videoTracks[0]);
+                    this.adjustVideoSize(this.elements.remoteVideo, newResolution);
+                });
+            }
         } else {
             console.error('Either remoteVideo element or stream is missing');
+
+            // 显示占位背景
+            if (this.elements.remoteVideoPlaceholder) {
+                this.elements.remoteVideoPlaceholder.classList.remove('hidden');
+            }
         }
     }
 
@@ -287,7 +335,44 @@ class UIRenderer {
             }
         }
     }
+    // 在renderer.js中添加方法
+    // 获取视频流分辨率
+    getVideoResolution(track) {
+        if (track && track.getSettings) {
+            const settings = track.getSettings();
+            return {
+                width: settings.width || 640,
+                height: settings.height || 480
+            };
+        }
+        return { width: 640, height: 480 }; // 默认值
+    }
 
+    // 调整视频元素大小并居中显示
+    adjustVideoSize(videoElement, resolution) {
+        if (!videoElement) return;
+
+        const { width, height } = resolution;
+        const aspectRatio = width / height;
+
+        // 根据容器大小和视频宽高比调整视频显示
+        const container = videoElement.parentElement;
+        const containerWidth = container.clientWidth;
+        const containerHeight = container.clientHeight;
+        // 启用硬件加速
+        videoElement.style.transform = 'translateZ(0)';
+        videoElement.style.willChange = 'transform';
+        // 设置容器为flex布局，使视频居中
+        container.style.display = 'flex';
+        container.style.alignItems = 'center';
+        container.style.justifyContent = 'center';
+        // 优化图像渲染
+        videoElement.style.imageRendering = 'pixelated';
+        // 确保视频元素在容器内正确显示
+        videoElement.style.maxWidth = '100%';
+        videoElement.style.maxHeight = '100%';
+        videoElement.style.objectFit = 'contain';
+    }
     // 渲染控制按钮
     renderControlButtons(mediaState) {
         if (this.elements.micBtn) {

WebApp/client/public/onebyone/store.js

@@ -15,9 +15,9 @@ const defaultStreamHeight = 720;
 
 class CallStateManager {
     constructor() {
-        const renderstreaming=null; // WebRTC连接管理实例
-        const useWebSocket=null; // 是否使用WebSocket信令
-        const connectionId=null; // 连接ID
+        const renderstreaming = null; // WebRTC连接管理实例
+        const useWebSocket = null; // 是否使用WebSocket信令
+        const connectionId = null; // 连接ID
         // 核心状态
         this.state = {
             session: {
@@ -194,14 +194,21 @@ class CallStateManager {
         // 创建信令实例
         const signaling = this.useWebSocket ? new WebSocketSignaling() : new Signaling();
         const config = getRTCConfiguration(); // 获取RTC配置
+        // 优化RTC配置，确保支持高分辨率
+        config.peerConnectionOptions = {
+            optional: [
+                { googCpuOveruseDetection: false }, // 禁用CPU过度使用检测
+                { googScreencastMinBitrate: 3000 } // 设置最小比特率
+            ]
+        };
         this.renderstreaming = new RenderStreaming(signaling, config); // 创建WebRTC连接管理实例
 
         // 连接建立回调
         this.renderstreaming.onConnect = () => {
             // 连接建立后，更新状态为ongoing
-        this.state.session.status = 'ongoing';
-        this.notify({ type: 'CALL_STATUS_CHANGE', status: 'ongoing' });
-        
+            this.state.session.status = 'ongoing';
+            this.notify({ type: 'CALL_STATUS_CHANGE', status: 'ongoing' });
+
             if (this.state.localStream) {
                 const tracks = this.state.localStream.getTracks(); // 获取本地媒体轨道
                 for (const track of tracks) {