[MPlayer-users] Constant Visual Quality

Angel angel at knight-industries.com
Wed Dec 11 09:57:03 CET 2002


Hi All,
	I have a question regarding encoding movies with the lavc mpeg4 codec. I know 
you can specify a constant quantizer when encoding a movie... but that does 
not necessarily result in a constant visual quality in the encoded movie. 
Basically what I want to be able to do is specify a given visual level of 
quality and have the encoder maintain that quality level using a variable bit 
rate / variable quantizer. I could just specify a quantizer level of 2 (or 1 
even) and get the best possible quality encoding but I don't want to waste 
space encoding scenes with more bits then are necessary to achieve the 
quality level I want. 

-Angel 




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