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Old 23rd July 2010, 00:57   #4  |  Link
Blue_MiSfit
Derek Prestegard IRL
 
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Join Date: Nov 2003
Location: Los Angeles
Posts: 5,988
AVISource is the way to go here. The FRAPS codec has a perfectly good VFW decoder, and it works fine. I've used it plenty of times

I'd do the YV12 conversion in AviSynth, like this:

ConvertToYV12(matrix="PC.709")

This will use the Rec709 standard, but also use the full PC range (0-255). If you don't want full range, then change the matrix to "Rec709" and you will get standard "TV" levels (16-235).

There certainly is a quality loss when you go to 4:2:0 chroma subsampling from RGB. The difference is mathematically huge (hence why it's used in the first place!!!), but perceptibly not too bad. Our eyes are fairly terrible at receiving color

I'd use the AviSynth plugin SoundOut to get audio out of your AVI and into a WAV. I'd then use eac3to to encode this WAV to AAC. eac3to uses Nero's AAC encoder, which performs very well.
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