使用 Mencoder 将视频转换为支持iOS和Android的H.264视频格式

mencoder covert video for iOS and Android

$ sudo apt-get install mencoder
$ mencoder origin.mp4 -o new.mp4  -vf dsize=480:360:2,scale=-8:-8,harddup \
  -oac faac -faacopts mpeg=4:object=2:raw:br=128 \
  -of lavf -lavfopts format=mp4 -ovc x264 -sws 9 \
  -x264encopts nocabac:level_idc=30:bframes=0:bitrate=512:threads=auto:turbo=1:global_header:threads=auto:subq=5:frameref=6:partitions=all:trellis=1:chroma_me:me=umh