> On Tue, Dec 2, 2008t 11:30 PM, Zhang Weiwu <zhangweiwu at realss.com> > wrote: >> Hello. >> >> This clip is copied fromecurity camera monitoring machine. file(1) >> could not determinehe file type. The file is possible to playback on >> Windows with ????????,he name of the software is in Chinese but it >>ooks to be based on mplayer (the name of the player directly >>ranslation would be "storm video and audio"). >> >> https://emerson.realss.com/~yuliansu/tmp/ch07_20081126070500.mp4 >> >> Question: >> Ishis an mplayer problem or a broken video format? (all other video >> clips copied fromecurity camera also doesn't play back. > > I've neverven heard of such a video format. Odds are its some >andom proprietary format that nobody supports. > > Furthermore, its notven a valid mp4 file to begin with, at least >ccording to mp4box. > > Dark Shikari Google knowsbout ONE case of a video file beginning with the ASCII-letters "4HKH". Butven there it is only mentioned as strange... Greets, Kiste