id summary reporter owner description type status priority milestone component version resolution keywords cc uname nginx_version 1236 MP4 module yan.sheng.upai.com@… "#curl http://127.0.0.1:80/test.mp4?start=10 if start=10 is not the site of keyframe, the mp4 may have abnormal such as no picture before N second,or screen blurred. I think the solution is to add the following step: (1)stts:forcast the nearest sample on the basis of start=X (2)stss:find the nearest keyframe sample on the basis of step (1) (3)stts:find the nearest start arg on the basis of step (2) ... " defect closed minor other 1.11.x wontfix 4.9.0-rc3 1.11.2