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

[Zhang Weiwu]

Andrew Wason wrote:
> Looks like it is this player, Storm Video 2009:
> http://dl.baofeng.com/storm3/Storm2009.exe
>
> I installed it and was able to play your video. This player seems to use ffdshow
> and some other commercial components (CoreAVC, Cyberlink codecs etc.)
>
> One of the codecs is HikH264Dec.ax which contains the string 4HKH and also the
> strings:
> VDecoder : This is h264 stream !
> VDecoder : This is mp4 stream !
> Also HikFileSplitter.ax and HikFileSource.ax contain the string 4HKH.
>
> This codec is Copyright(C)HangZhou Hikvision Digital Technology - they
> apparently sell the Hikvision DS-4000 Windows SDK and are the "leading supplier
> of digital video surveillance products"
> http://www.hikvision.com/en/zhichi1.asp?tid=13&bgclassid=12&act=d&classid=13
>   
Hi. Thanks a lot for having found such lots of useful information! even
though myself as Chinese couldn't figure these out, by reading Chinese
pages.

I heard other people talking this software violates GPL by some means.
Is it true? I never had downloaded the software with source code option.