[x264-devel] x264 rc mode settings clarification

[Purvin Pandit]

Folks,
Is this a very difficult question or a stupid question? No one on this list has answered it for while now. 
x264 is a fantastic piece of work but without understanding what all the different combinations will do its hard to use it. I would like to understand and document (if possible) what all the different combinations of the rate control settings (including VBV settings) do to the final encode.
If someone knows of a place where all the different combinations of bitrate, max-bitrate, vbv-bufsize, vbv-maxrate, ratetol, pass, crf, vbv-init, crf-max are documented please let me know.
Thanks,-Purvin
From: purvinp at hotmail.com
To: x264-devel at videolan.org
Date: Fri, 9 May 2014 07:56:21 -0400
Subject: Re: [x264-devel] x264 rc mode settings clarification




Reposting....




Hi
I have a question about the rate control settings in x264. What is the implication of using the following settings?
1st pass:vbv-bufsize=10000 bitrate=3400 vbv-maxrate=3800 ratetol=0.1 -pass 1
2nd pass:everything same as above with -pass 2
Is this going to be be CBR/VBR/ABR? Will if target a fixed file size or bitrate or both?
Thanks I am just trying to get all the different parameters sorted out.
Thanks,-Purvin 		 	   		  

 		 	   		  

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