Date and time formatting directives - Log Service
Documentation
leading zero is optional for formatting directives %d, %m, %H, %I, %M, %S, %J, %U, %W, %V, %y when they are used to parse date ...
Functions and features - ApsaraVideo for Media Processing
Documentation
Container formats: 3GP, AVI, FLV, MP4, M3U8, MPG, ASF, WMV, MKV, MOV, TS, WebM, and MXF.
Video encoding formats: H. 264 ...