[MPlayer-users] thumbnail from a SWF / VP6

Ivan Kowalenko ivan.kowalenko at gmail.com
Wed Feb 7 16:09:56 CET 2007


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On Feb 6, 2007, at 21.43, junk wrote:

> i'm using mplayer on fedora core 5.  i have SWF videos, encoded in  
> VP6.
>
> mplayer someVideo.swf -ss 60 -frames 2 -vo jpeg
>
> i take 2 frames because the first one is always the first frame of  
> the video, the second is the desired frame at the specified seek  
> time. however, the output of the second frame is always scrambled,  
> seems it has been processed incorrectly. the SWFs are encoded in  
> VP6 .  as far as i can see, mplayer has a VP6 decoder, so i'm not  
> sure why this is happening.  is there something i'm missing?

It's possible that the frame you're skipping to isn't a key frame,  
and thus doesn't have a full picture to decode. Try taking a sample  
of about 10-20 frames, see if you can get a decent frame out of any  
of them.

> any help is appreciated, thanks.
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