[MPlayer-users] how to "step backforward" ?

[belcampo]

Phil Rhodes wrote:
>> (consider 720p, it costs 1.3MBytes for frame, 300 frames are huge bulk
>> of memory)
Would you mind commenting in my calculation of needed memory in my post 
from 13:36 ?
> 
> You don't have to store them all, especially if you implement a strategy 
> to start decoding frames you don't have once you start stepping back 
> near the beginning of the ones you do. And anyway, 300MB of RAM is not 
> entirely unreasonable. I presume the amount it used would be configurable.
> 
> I wonder how Quicktime does it. Possibly it avoids the issue simply by 
> not supporting very long GOPs.
> 
> P
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