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xiaoxia-saas/apps/web/package.json
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张宏杰 93a8d641dd
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feat: Canvas + WebCodecs 预览播放器核心实现
核心架构:
- 新建 useCanvasPlayer.ts:MP4 → mp4box.js 解封装 → VideoDecoder 解码帧 → Canvas 绘制
- 帧队列环形缓冲区(最多5帧),自动释放已消费的 VideoFrame
- 标题通过 Canvas drawText 合成,无需 CSS overlay
- ResizeObserver 响应容器尺寸变化

双路径架构:
- 浏览器支持 WebCodecs → Canvas 渲染(帧级精确控制)
- 不支持 → fallback 到多 video 元素方案(opacity 切换)
- isWebCodecsSupported() 运行时检测

前端播放控制:
- play/pause/seek API 不变
- 配音音频同步保持不变
- 进度条 UI 保持不变

依赖:
- 新增 mp4box ^2.4.1(MP4 解封装)

注:useSegmentScheduler.ts 未改动,fallback 路径继续使用
2026-08-19 11:49:43 +08:00

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{
"name": "@xiaoxia/web",
"private": true,
"version": "1.0.0",
"type": "module",
"scripts": {
"build": "tsc && vite build",
"dev": "vite",
"format": "prettier --write .",
"format:check": "prettier --check .",
"lint": "eslint . --ext ts,tsx --report-unused-disable-directives --max-warnings 0",
"preview": "vite preview",
"test": "vitest",
"test:coverage": "vitest --coverage",
"test:e2e": "playwright test",
"test:e2e:ci": "npx playwright test --project=chromium --reporter=line",
"test:e2e:ui": "playwright test --ui",
"test:ui": "vitest --ui",
"type-check": "tsc --noEmit"
},
"dependencies": {
"@ant-design/icons": "^5.3.7",
"@tanstack/react-query": "^5.45.0",
"antd": "^5.18.0",
"axios": "^1.7.2",
"mp4box": "^2.4.1",
"react": "^18.3.1",
"react-dom": "^18.3.1",
"react-router-dom": "^6.24.0",
"zustand": "^4.5.2"
},
"devDependencies": {
"@playwright/test": "^1.45.0",
"@testing-library/jest-dom": "^6.4.6",
"@testing-library/react": "^16.0.0",
"@testing-library/user-event": "^14.5.2",
"@types/node": "^20.14.9",
"@types/react": "^18.3.31",
"@types/react-dom": "^18.3.0",
"@typescript-eslint/eslint-plugin": "^7.13.1",
"@typescript-eslint/parser": "^7.13.1",
"@vitejs/plugin-react": "^4.3.1",
"@vitest/coverage-v8": "^1.6.1",
"@vitest/ui": "^1.6.0",
"eslint": "^8.57.0",
"eslint-config-prettier": "^9.1.2",
"eslint-plugin-react-hooks": "^4.6.2",
"eslint-plugin-react-refresh": "^0.4.7",
"jsdom": "^24.1.0",
"prettier": "^3.9.5",
"typescript": "^5.5.3",
"vite": "^5.3.1",
"vitest": "^1.6.0"
}
}