x264 beta deblocking not working

[anne_so78]

The beta deblocking parameter is not working in x264 (tested on builds 59x). I've tried encoding with various beta parameters (e.g - [1,1], [1,2], [1,5]) but I get exactly the same output as confirmed by a binary check. I've encoded various inputs, with both the CLI (meGUI) and mencoder versions (MediaCoder).

[foxyshadis]

Did you try -6? Perhaps it was already deblocking all the blocks, even at 1, so there's no more to add deblocking too. Just a supposition.

[Kopernikus]

What Bitrate/Quantizer did you use? for quantizer < 15 + max(alpha,beta)*2 deblocking is disabled.

[anne_so78]

I've tried different bitrates (200, 1000 etc.)
I've tried -6 too, with different inputs, so its definitely not a case of deblock saturation.
Looks like a bug to me...

Could one of you verify this please? Just encode using a recent x264 build, with different beta parameters but with the same alpha parameter. Then compare the files. They should be exactly the same (except for a few bytes at the beginning)

[bob0r]

597:
fix parsing of --deblock %d,%d (beta was ignored)

Thanks for testing and reporting!

... and thanks Loren "pengvado" "akupenguin" Merritt for the quick fix, we x264 junkies salut you :eek:

[foxyshadis]

Oh, it was originally supposed to be 1:1, then it was extended to use 1,1 a while back, now it seems to have gone back to the way it was. :p

[anne_so78]

great! :D