[MPlayer-users] video copied from security camera doesn't playback

[Oliver Seitz]

> On Tue, Dec 2, 2008 at 11:30 PM, Zhang Weiwu <zhangweiwu at realss.com>
> wrote:
>> Hello.
>>
>> This clip is copied from security camera monitoring machine. file(1)
>> could not determine the file type. The file is possible to playback on
>> Windows with ±©·çÓ°Òô, the name of the software is in Chinese but it
>> looks to be based on mplayer (the name of the player directly
>> translation would be "storm video and audio").
>>
>> https://emerson.realss.com/~yuliansu/tmp/ch07_20081126070500.mp4
>>
>> Question:
>> Is this an mplayer problem or a broken video format? (all other video
>> clips copied from security camera also doesn't play back.
>
> I've never even heard of such a video format.  Odds are its some
> random proprietary format that nobody supports.
>
> Furthermore, its not even a valid mp4 file to begin with, at least
> according to mp4box.
>
> Dark Shikari

Google knows about ONE case of a video file beginning with the
ASCII-letters "4HKH". But even there it is only mentioned as strange...

Greets,
Kiste