[Ffmpeg-devel] [RFC] svq1 very slow encoding

[Baptiste Coudurier]

Hi

Mike Melanson wrote:
> Baptiste Coudurier wrote:
>> Hi guys,
>>
>> I just noticed that svq1 encoding was slow as hell (around 2fps here on
>> p4 2.4ghz), if someone had spare time/motivation to speed it up, it
>> would be great.
> 
> SVQ1 stands for Sorenson Vector Quantizer #1. Are you sure you
> understand how vector quantizers operate? By nature, they are
> excruciatingly slow to encode, yet relatively blindingly fast to decode.

Well, I don't know, it seems quicktime player here explodes ffmpeg
encoder performance (561s for 760 frame long movie, which is less than
2fps).

Quicktime takes like 4 minutes and achieve 4mbit/s, quality is clearly
below of course, but it's clearly faster.

-- 
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