[MPlayer-users] thumbnail from a SWF / VP6

junk junk at inconduit.com
Wed Feb 7 17:39:08 CET 2007


thanks for the response.  as i understand it, SWF is all key frames, 
it's not like an FLV where there are key frames and interframes, but i 
could be wrong.  i took a sample of 20 frames and they're all equally 
scrambled.  any thoughts?

> 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.


>>
>> 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?
>
> i'm using mplayer on fedora core 5.  i have SWF videos, encoded in  VP6.
>




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