https://tinychen.com/tags/webvtt/Recent content in Webvtt on TinyChen's BlogHugozh-cnThu, 23 Jul 2026 12:00:00 +0800https://tinychen.com/20260412-octans-client-subtitle-rendering/Sun, 12 Apr 2026 12:00:00 +0800https://tinychen.com/20260412-octans-client-subtitle-rendering/<p>本文主要说明自托管媒体库（以 Octans 播放链路为例）在「尽量 Direct Play、字幕不触发视频转码」前提下，如何把字幕识别、抽取与缓存放在服务端，把 WebVTT / ASS / PGS 等形态的实际绘制交给客户端；并厘清 full-cache、HLS sidecar delay 与烧录路线的边界，避免把排障问题误当成「再烧一遍就好了」。</p>