2019-03-21 3:25 GMT+01:00, Александр via ffmpeg-user <ffmpeg-user at ffmpeg.org>: > ffmpeg -hwaccel nvdec -hwaccel_output_format cuda -i "input.mp4" > -vf scale_cuda=-2:360 -c:v h264_nvenc -b:v 2000k "output.mp4" Did you test "-vf scale_cuda=640:360"? Carl Eugen