Dear x265 development team, I am trying to conduct the following experiment: assess the change in the compressed video's quality by changing only the 8-point DCT matrix, which I suppose is the constant 'g_t8' at source/Lib/TLibCommon/TComRom.cpp
However, the video's quality, which I am monitoring by the PSNR and SSIM metrics, keeps the same with any random matrix that I define in 'g_t8'. I am using the last version of x265 as of today. Sincerely, Paulo Oliveira
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