Unverified50% confidenceFactExact time
Chrome 扩展录屏功能主要依赖 chrome.tabCapture、chrome.desktopCapture 和 navigator.mediaDevices.getUserMedia，捕获的媒体流通过 MediaRecorder API 编码生成 MP4 或 WebM 视频
1
Sources
50%
Confidence
Long-term
Relevance
8/5/2026
First Seen
Sources
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