如何检测视频源大小的变化

Question

我正在使用video.js播放hls实时视频(m3u8文件(，但视频大小发生了变化。有没有办法知道视频大小何时变化？

Answer 1

您可能想要这样的东西来检查更改：

var currentBitrate = qualityLevels[qualityLevels.selectedIndex].bitrate;
...snip
if(currentBitrate >0){
//see if the bitrate has changed?
var oldBitrate = currentBitrate;
currentBitrate = qualityLevels[qualityLevels.selectedIndex].bitrate;
if(oldBitrate != currentBitrate){
//bitrate has changed, do your thing.
}

我在这个Github项目中运行了这个https://dougsillars.github.io/StreamOrNot/