$ mplayer -vo aa -monitorpixelaspect 0.5 video.avi
$ mencoder video.original.avi -vf scale=1024:576 -ovc x264 \
> -x264encopts bitrate=1536:pass=1:turbo=2:threads=4 -oac mp3lame \
> -lameopts preset=256 -o video.tweak.avi

$ mencoder video.original.avi -vf scale=1024:576 -ovc x264 \
> -x264encopts bitrate=1536:pass=3:threads=4 -oac mp3lame \
> -lameopts preset=256 -o video.tweak.avi

$ mencoder video.original.avi -vf scale=1024:576 -ovc x264 \
> -x264encopts bitrate=1536:pass=3:threads=4 -oac mp3lame \
> -lameopts preset=256 -o video.tweak.avi
[ -n "$("$BASH" -c 'echo "${VAR+x}"')" ] ## Succeeds if VAR is an environment variable
[ -z "$("$BASH" -c 'echo "${VAR+x}"')" ] ## Fails if VAR is an environment variable

挖耳

| | Comments (0) | TrackBacks (0)

蜀地蓉邑,人喜挖耳。夜,酒肆林立,食者众。有匠手擅挖耳者,缓步食客间,执盈尺铁镊,霍霍有声。吆曰:"挖耳可矣。"时,某出,招之。匠诺,嘱某坐,乃为某甲挖耳。展其械。耳匙数柄,皆长寸许。签三两支,顶曳铁线,上缚鹅绒,大小不一。初以匙探耳内,掘之,继之盛其垢出。复以绒入,捻之。某叠股交睫,意甚畅。未几,匠遽振铁镊,触以绒柄,轰然作响。某泰然自若。两耳尽掘。

已,资当十钱一枚。盖五钱挖一耳也。古雅谑有言,挖耳、捶背、打嗝、放屁,人生四大快事矣。摄影作文以记之。