$ vlc -I dummy --play-and-exit "20170423_112952_03_conv.mp4" --sout "#transcode{vcodec=h264,vfilter=canvas{width=1280,height=720,transform=vflip},acodec=mp3,ab=128,channels=2}:standard{access=file,mux=mp4,dst="movie_conv.mp4"}"