如何让视频看上去有颗粒感:
http://www.leawo.cn/space-3815757-do-thread-id-72310.html
视频批量加字幕:
http://www.leawo.cn/space-3815757-do-thread-id-72327.html
视频中间清楚两边模糊:
http://www.leawo.cn/space-3815757-do-thread-id-72348.html