目錄

現象

觀察

?解決

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現象

? 頁面有時候要切換，要最小化；短時間或者幾個小時內切換回來，視頻可以正常續上；而放置較長時間，幾個小時或者一晚上，切換回來后，視頻可能卡死

觀察

切換頁面：

幾個小時內都比較正常，不會卡死?

?放置一個晚上后，頁面卡死，使用wireshark觀察，流量依舊在，而視頻流也在傳

根據打印發現有幾個緩沖組(解決后的代碼打印）

?

?解決

document.addEventListener('visibilitychange', function(){var bufferedTimeRanges = _SELF.video_object.buffered;for (var i = 0; i < bufferedTimeRanges.length; i++) {var start = bufferedTimeRanges.start(i);var end = bufferedTimeRanges.end(i);console.log("已緩沖時間段：" + start + " - " + end);}if (_SELF.videoBeginTime) {_SELF.IntervelNum = parseInt((new Date().getTime() - _SELF.videoBeginTime) / 40)_SELF.delayData = []}if (_SELF.pagePaused) {var videoBuffered = _SELF.video_object.buffered;console.log("videoBuffered.length",videoBuffered.length)if (videoBuffered.length > 0) {let videoEnd = videoBuffered.end(videoBuffered.length-1);console.log("videoEnd - _SELF.video_object.currentTime",videoEnd ,_SELF.video_object.currentTime)if (videoEnd - _SELF.video_object.currentTime > 0.15) {_SELF.video_object.currentTime = videoEnd - 0.1;}}var audioBuffered = _SELF.audio_object.buffered;if (audioBuffered.length > 0) {let audioEnd = audioBuffered.end(audioBuffered.length-1);if (audioEnd - _SELF.audio_object.currentTime > 0.15) {_SELF.audio_object.currentTime = audioEnd - 0.1;}}_SELF.pagePaused = false;}});