[MPlayer-dev-eng] [PATCH] countquant.pl

[Loren Merritt]

On Tue, 21 Sep 2004, Diego Biurrun wrote:
> Loren Merritt writes:
>> On Mon, 20 Sep 2004, Diego Biurrun wrote:
>>> Loren Merritt writes:
>>>>
>>>> 1) See those entries in divx2pass.log that look like "q:236"?
>>>> Those are lagrange multipliers, and 236 is the lambda used then you
>>>> select vqscale=2. (That space used to contain quantizers, which is why
>>>> it's labelled "q" and why countquant.pl is obsolete.)
>>>
>>> Does it really  have no use at all anymore?  I'll remove it then.
>>
>> I didn't say it was useless, only out of date.
>>
>> Here's the script I use, if you want to update it.
>> (works on psnr.log, not divx2pass.log)
>
> What are the advantages/disadvantages compared to the old one?

Advantages: Outputs psnr and frame-type stats. Also works on
the second pass, which doesn't output another divx2pass.log.
Disadvantages: Requires encoding with the 'psnr' option.

--Loren Merritt