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Comments (6)

UnknownCoder807 avatar UnknownCoder807 commented on June 12, 2024

I see this too on tvOS using SwiftUI.

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kingslay avatar kingslay commented on June 12, 2024
default.mov

这是用户录的视频，在第3秒和第12秒时候能看到明显的卡顿。

用户尝试卸载重装过应用，所有的视频（原画或者一些m3u8）都会有卡顿问题。

用户之前用过不卡顿，突然有个版本开始卡顿。

用户的其他软件播放视频不会卡顿。

所以帮忙分析下，这样卡顿的原因有哪些？

能够提供这个url吗 这样我才能复现这个问题

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FaiChou avatar FaiChou commented on June 12, 2024

我这边测试没问题。其余的用户也都没问题。所以只能从经验上猜可能是什么原因，也有可能是用户自己的设备问题，所以如何引导用户排查定位问题？

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kingslay avatar kingslay commented on June 12, 2024

看起来像是有一帧视频渲染耗时比较多。卡了一会儿。然后后面为了赶上进度。丢了几个视频帧。这个有可能是设备性能的问题。用户的设备是什么时候的呢？

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kingslay avatar kingslay commented on June 12, 2024

我最新的代码加了一个日志
not readyForMoreMediaData
如果有报这个的话，那就是系统渲染卡顿 @FaiChou

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UnknownCoder807 avatar UnknownCoder807 commented on June 12, 2024

I get this when it happens

2023-07-08 14:32:35.519460+0100 myApp[3011:10557485] warning KSPlayer: KSOptions.swift:334 videoClockSync(audioTime:videoTime:) | video delay time: 37.41841111111353, audio time:9078.567188888892, delay count:1
2023-07-08 14:32:35.536079+0100 myApp[3011:10557485] warning KSPlayer: KSOptions.swift:334 videoClockSync(audioTime:videoTime:) | video delay time: 37.42305555555686, audio time:9078.588522222224, delay count:2
2023-07-08 14:32:40.485836+0100 myApp[3011:10557485] warning KSPlayer: MetalPlayView.swift:289 enqueue(imageBuffer:formatDescription:) | not readyForMoreMediaData
2023-07-08 14:32:40.502197+0100 myApp[3011:10557485] warning KSPlayer: MetalPlayView.swift:289 enqueue(imageBuffer:formatDescription:) | not readyForMoreMediaData
2023-07-08 14:32:40.585524+0100 myApp[3011:10557485] warning KSPlayer: MetalPlayView.swift:289 enqueue(imageBuffer:formatDescription:) | not readyForMoreMediaData
2023-07-08 14:32:40.668634+0100 myApp[3011:10557485] warning KSPlayer: MetalPlayView.swift:289 enqueue(imageBuffer:formatDescription:) | not readyForMoreMediaData
2023-07-08 14:32:40.835357+0100 myApp[3011:10557485] warning KSPlayer: MetalPlayView.swift:289 enqueue(imageBuffer:formatDescription:) | not readyForMoreMediaData
2023-07-08 14:32:40.868812+0100 myApp[3011:10557485] warning KSPlayer: MetalPlayView.swift:289 enqueue(imageBuffer:formatDescription:) | not readyForMoreMediaData
2023-07-08 14:32:40.885320+0100 myApp[3011:10557485] warning KSPlayer: MetalPlayView.swift:289 enqueue(imageBuffer:formatDescription:) | not readyForMoreMediaData

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