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建议优化gop cache的使用,尽量降低网络抖动导致的卡顿 #125

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universix opened this issue Jan 19, 2022 · 1 comment
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@universix
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目前项目多为实时性要求不高,但要求视频流畅的场景,所以希望 lal 能优化 gop cache 的使用,尽量降低网络抖动导致的卡顿

建议 gop cache @的调控分多个优先层级:

  1. 低优先层级:全局 gop-num。能在全局层面降低偶尔的网络抖动带来的卡顿
  2. 中优先层级:各个协议的 gop-num(-1表示取全局值)。config 中,目前只有 rtmp 和 http-flv 有 gop-num 选项,希望每个协议都有
  3. 高优先层级:pull 时的 gop-num(-1表示取中级值)。拉取的目标流往往网络情况差异极大,在拉取时,指定这个流的 gop-num 能针对性的降低这个视频流因网络抖动带来的卡顿

这3个层级的默认都为0,即默认为低延迟模式,但在需要的场景可以逐级调整优化,尽量降低网络抖动导致的卡顿
或者只取建议的1,3级,降低配置及管理的复制度

@q191201771 q191201771 mentioned this issue Jul 16, 2022
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@q191201771
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超时移入 #37 中管理了,后续进度有更新我会在这边和那边同时更新,感谢。

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