def transcode(output, input):
name, _ = S3.check_ext_name(input)
AVI_output = output / '{}_avi.avi'.format(name)
command = f"ffmpeg -i {input} -c:v copy -c:a copy {AVI_output}"
os.system(command)
#displayVideo(AVI_output)
VP9_output = output / '{}_vp9.mp4'.format(name)
command = f'ffmpeg -i {input} -c:v libvpx-vp9 {VP9_output}'
os.system(command)
#displayVideo(VP9_output)
VP8_output = output / '{}_vp8.mkv'.format(name)
command = f"ffmpeg -i {input} -c:v libvpx -qmin 0 -qmax 50 -crf 5 -b:v 1M -c:a libvorbis {VP8_output}"
os.system(command)
#displayVideo(VP8_output)
H265_output = output / '{}_h265.mp4'.format(name)
command = f'ffmpeg -i {input} -c:v libx265 -crf 26 -preset fast -c:a aac -b:a 128k {H265_output}'
os.system(command)
