[MPlayer-users] using 2-pass with vqscale and lavc

D Richard Felker III dalias at aerifal.cx
Thu Feb 13 01:50:48 CET 2003

On Wed, Feb 12, 2003 at 11:52:24PM +0000, Jason Lunz wrote:
> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> Does it make sense to use 2-pass encoding if you're setting vqscale for
> constant-quantizer lavc encoding? I know that the main reason for 2-pass
> is so the rate control code can vary the quantizer to meet the bitrate
> requirement. But are the statistics gathered during the first pass used
> for anything else that might improve the output when using vqscale?

Nope, doing 2pass with vqscale in the second pass is 100% useless. :)


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