Re: [MPlayer-users] Re: [-] Crop before deinterlacing OK? NO

[Rich Felker <dalias@xxxxxxxxxx>]

On Wed, Jul 20, 2005 at 09:18:34PM +0200, Tobias Diedrich wrote:
> Rich Felker wrote:
> 
> > > How about using "-ofps 120000/1001"  :-)
> > 
> > Be aware this will use about 50 megs per hour in overhead because the
> > avi format sucks. Otherwise it will work. Just make sure you don't use
> > harddup, btw... :)
> 
> Maybe I'm mistaken, but I think it's only slightly over 2.6 megs per hour:
> 
> Assuming 24000/1001 fps content this should be 96000/1001 fps
> duplicate frames.
> 
> 96000/1001 fps * 3600 seconds * 8 bytes per 'duplicate frame' / 1024 / 1024
> 
> => 2.634 MB/h

8 bytes? Nope, 24 bytes. And I was talking about total avi overhead,
not the additional overhead compared to 24000/1001 time base. So I
guess the correct number is 10 megs per hour, or something like that.
Sorry my original estimate was off by that much.. I thought I'd
calculated it before and gotten something like 50. Maybe the 50 was
for vorbis-in-avi with this same method..

Rich

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