[x265] Parameter --qgsize not functional?

[Mario *LigH* Rohkrämer]

x265 [info]: HEVC encoder version 1.6+117-095ed87526e5
x265 [info]: build info [Windows][GCC 4.8.2][64 bit] 8bpp

I tried to run a test with the following command line:

x265.exe KristenAndSara_1280x720_60.yuv --input-res 1280x720 --input-csp  
i420 --fps 60 -o KristenAndSara_1280x720_60_medium.hevc --preset medium  
--ssim --log 3 --csv KristenAndSara_1280x720_60_medium.csv --qgsize 16

Instead of encoding, x265 prints only the syntax help.

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Fun and success!
Mario *LigH* Rohkrämer
mailto:contact at ligh.de