Trace: • ffmpeg

ffmpeg

Letterbox a 16x9 video

ffmpeg -i input.mp4 -s 640x360 -aspect 4:3 -vf pad=640:480:0:60 output.mp4

Equnix Video Standards

ffmpeg -i input.mp4 -vcodec libx264 -vcodec libfaac -s 640x360 -aspect 4:3 -vf pad=640:480:0:60 -b 800k output.mp4