Unverified50% confidenceFactExact time
HLS 采用两级索引结构：主 M3U8 列出不同码率的子流供客户端自适应码率选择，媒体 M3U8 动态更新 TS 分片列表
1
Sources
50%
Confidence
Long-term
Relevance
7/21/2026
First Seen
Sources
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