Unverified50% confidenceFactExact time
PyAV 是 FFmpeg 的 Python 绑定库，提供底层帧级访问能力，使 SubtitleYC 能精确定位任意帧并渲染预览
1
Sources
50%
Confidence
Long-term
Relevance
8/17/2026
First Seen
Sources
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