ffmpeg -hwaccel cuda -hwaccel_output_format cuda -i "input.ts" -c:v hevc_nvenc -cq 28 -surfaces 64 -bufsize 12800k -r 7.5 -rc-lookahead 63 -c:a aac -ac 1 -rematrix_maxval 1.0 -b:a 64k "output.ts" -n -hide_banner -loglevel warning -stats