[FFmpeg-devel] How to improve GPU command to improve picture quality is the same as CPU transcoding quality

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

[FFmpeg-devel] why ffmpeg not work

Hi : when i use this command ffmpeg -hwaccel cuda -hwaccel_output_format cuda -extra_hw_frames 2 -threads 2 -i 333_111017.JPG -pix_fmt yuv420p -f hevc 1.h265 -y but i get this error: Impossible to convert between the formats supported by the filter 'Parsed_null_0' and the filter 'a