[x264-devel] Does anyone find bugs on PSNR calculation of x264?

[kenter]

my modifications are enabled by the macro EN_TR_EXT

I also attached the common/macroblock.c file, all my modifications are in
this file

2009/5/14 Loren Merritt <lorenm at u.washington.edu>

>  On Thu, 14 May 2009, kenter wrote:
>
> I was trying to disable Top-Right prediction modes on x264 now, I find the
>> psnr difference is rather low for enable top-right and disable it. While
>> the
>> subjective quality of disable top-right modes is greatly down. I guess
>> there
>> are some bugs on calculation of PSNR in x264, Is there any bug feedback on
>> this issue?
>>
>
> x264's PSNR calculation works.
>
> I would rather guess that your modification broke x264, so that the
> reconstructed frame that PSNR is measured on no longer matches what the
> standard says your bitstream means. But without the code, I can only guess.
>
> --Loren Merritt
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