Hi: I use this command # ffmpeg -r 24 -i vbox4071__B4I0335_211922.JPG -pix_fmt yuv444p -r 24 -f yuv4mpegpipe - 2>/dev/null|x265 --crf 16 -o 265-1/vbox4071__B4I0335_211922.265 - --y4m Then i want to use gpu command ffmpeg -r 24 -i vbox4071__B4I0335_211922.JPG -pix_fmt yuv444p -r 24 -f yuv4mpegpipe - 2>/dev/null | ffmpeg -i - -c:v hevc_nvenc -crf 16 -f hevc 265-1/vbox4071__B4I0335_211922.265 But i got the picture quality is very low from gpu compare with cpu; How to improve GPU command to improve picture quality is the same as CPU transcoding quality? Thanks; _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
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