Unverified50% confidenceSolutionExact time
浏览器内本地转换通常依赖 WebAssembly 技术，将 FFmpeg 等音视频编解码库编译为浏览器可执行的字节码，在客户端完成解码、转码和封装
1
Sources
50%
Confidence
Long-term
Relevance
9/11/2026
First Seen
Sources
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