Memo von EFS

Make some changes to QuickBox

EFS
Amefs, EFS, IT, Linux, seedbox
question_answer0
Some digression QuickBox is a popular seedbox installer script. Through this powerful script , can we build a seedbox system in a server. It contains a beautifully designed dashboard, allowing users the ability to interact with their seedbox and server on a professional grade level, We can even install packages to make some custom functions. This new version of QuickBox need Ubuntu 16.04/15.10(the old version was also compatible with Debian). I first tried this script about half year ago, I find it was interesting…
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Test of x265 Stable v2.4

EFS
Amefs, EFS, IT, x265
question_answer0
In the past two weeks, I did some test around x265 v2.4, I also wrote some post about some of results. (about “–limit-tu” and “–limit-sao”) Yesterday I fond the rip, encoding with x265 v2.4, reached 130% the size of rip with v2.3. I was considered of difference parameter, so I compared the mediainfo of the two rip, then I fond the new parameter “–no-ssim-rd”. But finally I find it has nothing to do with the increment of file size. I read…
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Test about limit-sao(x265)

EFS
Amefs, EFS, IT, x265
question_answer0
The Definition of SAO: Sample Adaptive Offset(SAO) is a kind of in-loop filter in HEVC codec. (there are also Deblocking Filter and Adaptive Loop Filter). HEVC codec use 4×4-32×32 block size for motion-compensated prediction, while AVC only use 4×4-16×16. HEVC can also use rectangle unit(e.g. 16×4) to process prediction. The bigger unit used in encoding, the smaller file size it will be. But it can also cause more artifacts(such as Ringing). The key idea of SAO is to reduce sample distortion by first classifying…
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