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Old 11-15-2009, 04:48 PM
gsteruk gsteruk is offline
Junior Member
Join Date: Dec 2008
Posts: 9
Default My Attempt at Vid Conversion for XFi2

Hey all,

As i cant see a vid conversion post for the XFi 2 here, i thought id document the pitfalls and attempts ive made:

To start converting vid for the Xfi2, i tried a few of the usual apps to convert- Super Video Convertor, VirtualDub etc. One of the main problems though, is that any vid played on the Xfi2 really needs to have to contrast/brightness adjusted. VirtualDub allows this (but will display too dark on pc screens to allow proper comparison).

One of the best tools for conversion is Mencoder, the command line app that allows a LOT of adjustments to be made. One thing to bear in mind is that the XFi 2 will play vids up to 640x480 - so many vids will not actually need resizing.

A strange problem that i have come across is that if resizing is done - by pretty much any method - when the file is played back on the Xfi 2- there can be a few audio problems - notable pops which sound like the audio is clipping - which is isnt. Im hoping a firmware update may resolve this. However with the 640x480 support - often resizing isnt necessary - but to be able to view correctly on the 400x240 screen does require some cropping.

Ive found that using the calculation of 400/240 = 1.666 gives a ratio which should be used to multiply the height of any video file to give the max width. For example a movie measuring 500x 262 - if we multiply 262 by 1.66 we get 436. This means that the vid should be cropped from 500 to 466 - to give us the correct ratio for the XFi 2 screen. There are a couple of filters and general brightness and contrast adjustments which i use which really improves the vid quality - if anyone is interested, just let me know and ill post an example of my scripts :-)
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