倍速播放控制器

video speed control
控制所有网页视频播放倍速，支持自定义速度和网站特定设置，让学习更高效！

🎬 【基础播放速度控制】
[1] 6个预设速度：0.25x, 0.5x, 0.75x, 1.2x, 1.35x, 1.5x
[2] 实时应用到所有HTML5视频
[3] 防干扰机制，防止其他脚本修改速度
[4] 点击已选中按钮取消控制（恢复1.0x）

⚡【自定义倍速功能】
[1] 支持0.25x - 16.0x的任意倍速
[2] 实时输入提交
[3] 4个常用自定义预设：1.25x, 1.75x, 2.0x, 3.0x
[4] 支持键盘回车确认

🌐【网站特定设置】
[1] 为特定网站设置固定播放速度
[2] 网站设置列表管理
[3] 单独移除网站设置
[4] 一键清除所有网站设置

💾 【数据持久化】
[1] 使用Chrome Storage API保存设置
[2] 全局速度设置持久化
[3] 网站特定设置持久化
[4] 重启浏览器后设置保持

🔍 【技术亮点】
[1]*智能视频检测*：自动发现页面中的所有video元素
[2] *动态监听*：实时监听DOM变化，处理动态加载的视频
[3] *防干扰机制*：监听ratechange事件，防止其他脚本修改
[4] *输入验证*：实时验证用户输入的有效性
[5] *状态同步*：UI状态与实际播放速度保持同步

🎉 【特色功能】
[1] *精确控制*：支持小数点后两位的精确倍速设置
[2]*快速预设*：常用自定义倍速一键选择
[3] *视觉反馈*：输入框颜色变化提示输入状态
[4] *键盘支持*：回车键快速应用自定义倍速
[5] *状态记忆*：记住每个网站的首选播放速度

📋 【隐私承诺】
我们承诺保护您的隐私。本插件不会收集、存储或传输任何个人数据。所有功能都在您的本地设备上运行。


有任何建议可以给我留言。
video speed controller
Control playback speed for every web video. Set fixed speeds for specific sites to optimize your learning and viewing experience.

🎬 Basic Playback Speed Control
[1] 6 preset speeds: 0.25x, 0.5x, 0.75x, 1.2x, 1.35x, 1.5x
[2] Instantly applies to all HTML5 videos
[3] Speed Lock: Prevents other scripts from changing your set playback rate
[4] Click the selected button again to cancel control (restores to 1.0x)

⚡ Custom Speed Function
[1] Set any speed from 0.25x to 16.0x
[2] Apply custom speed instantly
[3] 4 commonly used custom presets: 1.25x, 1.75x, 2.0x, 3.0x
[4] Press Enter to apply your custom speed

🌐 Website-Specific Settings
[1] Set a fixed playback speed for any specific website
[2] Manage your list of site-specific rules
[3] Remove settings for any individual site
[4] Clear all website settings with one click

💾 Data Persistence
[1] Saves your settings using Chrome Storage API
[2] Your global speed setting is saved automatically
[3] Site-specific rules are saved automatically
[4] Your settings persist even after closing and reopening the browser

🔍 Technical Highlights
[1] Automatic Video Detection: Automatically discovers all video elements on the page
[2] Live DOM Monitoring: Listens for page changes to handle dynamically loaded videos
[3] Speed Lock Protection: Monitors for rate changes to maintain your preferred speed
[4] Input Validation: Checks your input in real-time to ensure it's valid
[5] State Synchronization: Keeps the extension's UI in sync with the actual video playback speed

🎉 Special Features
[1] Fine-Grained Control: Supports speed settings with up to two decimal places
[2] One-Click Presets: Quick-select your most frequently used custom speeds
[3] Visual Feedback: Input field color indicates valid/invalid entries
[4] Keyboard Support: Use the Enter key to quickly apply a custom speed
[5] Per-Site Memory: Remembers your preferred playback speed for each website

📋 Our Privacy Commitment
We are committed to protecting your privacy. This extension does not collect, store, or transmit any of your personal data. All of your settings and preferences are stored locally on your device.

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