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salman1
5th June 2007, 23:32
Hi i want to encode DVD to Avi in 3 CBR & VBR passes because i want to have better not best quality for my avi file, which is important for me. i want to do automatic 3 CBR & VBR (tell me difference as well :)) passes. Megui only do 2 passes is there is way to set up 3 passes in megui or do i have to have different program. i already have .avs file i just need to encode in .avi with 3 VBR & CBR passes. can u please tell me your ideas how to do that with what program? i really thank you all. :thanks:

salman1
6th June 2007, 16:45
i need some help guys

neuron2
6th June 2007, 16:46
Why do you want to "encode in .avi with 3 VBR & CBR passes"?

Do you even know what that means?

J_Darnley
6th June 2007, 17:57
There is an automated three pass mode, for x264, in MeGUI. It is probably included with Shartooth's x264 profiles. Make sure that STx264 is installed. Look at the video config dialog of MeGUI. I can't see a three pass for XVID and I don't know if you can tell it to use and create a stats file like with x264.
[EDIT] Actually the automated three pass is part of MeGUI and the profiles just set the rest of the options.

CBR means that there is a constant bitrate throughout the file. Which could mean that every encoded frame uses the same amount of space (incredibly stupid) or that every second of video uses the same amount of space (slightly less stupid). VBR means that the birate can vary by a specified degree (VBV settings) but still allow you to encode to a target filesize.

Usually a third pass is not required unless the video still happens to be off target which could indicate a problem with your chosen encoding settings.

salman1
6th June 2007, 18:50
Thanks a lot for help you guys are genius.