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https://www.bilibili.com/video/BV1s2zkBbER9/
该视频下载后,播放发现音画不同步,播放器是:https://github.com/mpvnet-player/mpv.net
后来测试发现,Firefox浏览器播放该视频音画不同步,但Chrome浏览器音画同步
后来研究出了解决方法:



先右键b站视频,选择“视频统计信息”,下载log,搜索
offset,发现偏移了0.854秒然后使用ffmpeg处理视频,命令如下:
ffmpeg -itsoffset 0.854 -i input.mp4 -i input.mp4 -map 0:v:0 -map 1:a:0 -c copy output.mp4即可解决下载的视频音画不同步的问题
但是,浏览器端无法解决,如果遇到了这种视频,那就换个浏览器看吧(
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