ffmpeg --> multiple output transcoding with a single command and hardware accelaration

ffmpeg-multi-output.txt

ffmpeg.exe  -hwaccel cuvid -hwaccel_output_format cuda -c:v h264_cuvid -i input.mp4  -c:v h264_nvenc -vf scale_cuda=w=-1:h=1080:interp_algo=bilinear -r 30 -g 60 -rc vbr -cq 34  -c:a aac -b:a 192k  -y sample-1080p.mp4      -c:v h264_nvenc -vf scale_cuda=w=-1:h=720:interp_algo=bilinear -r 30 -g 60 -rc vbr -multipass fullres -cq 34  -c:a aac -b:a 128k  -y sample-720p.mp4     -c:v h264_nvenc -vf scale_cuda=w=-1:h=480:interp_algo=bilinear -r 25 -g 50 -rc vbr -multipass fullres -cq 32  -c:a aac -b:a 96k  -y sample-480p.mp4     -c:v h264_nvenc -vf scale_cuda=w=-1:h=360:interp_algo=bilinear -r 24 -g 48 -rc vbr -multipass fullres -cq 37   -c:a aac -b:a 64k  -y sample-360p.mp4     -c:v h264_nvenc -vf scale_cuda=w=-1:h=240:interp_algo=bilinear -r 15 -g 30 -rc vbr -multipass fullres -cq 32  -c:a aac -b:a 48k  -y sample-240p.mp4

The above command transcodes mkv input video from 1080p to mp4 streamable video 1080p, 720p, 480p, 360p and 240p (5 output bitrates)