MEncoder

„MEncoder is a free command line video decoding, encoding and filtering tool released under the GNU General Public License. It is a close sibling to MPlayer and can convert all the formats that MPlayer understands into a variety of compressed and uncompressed formats using different codecs.“

MEncoder. (2008, February 23). In Wikipedia, The Free Encyclopedia. Retrieved 18:57, April 5, 2008, from
http://en.wikipedia.org/w/index.php?title=MEncoder&oldid=193447614


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Sunday, May 25, 2008

[MEncoder-users] encoding speed

Hi,

I actually encode with (please excuse the line wrapping) :

-vf crop=$CROP,scale=$SCALE,hqdn3d=2:1:2,harddup -ovc x264 -x264encopts bitrate=$BR:subq=5:partitions=all:8x8dct:frameref=2:bframes=3:b_pyramid:weight_b:turbo=1:pass=1

-vf crop=$CROP,scale=$SCALE,hqdn3d=2:1:2,harddup -ovc x264 -x264encopts bitrate=$BR:subq=5:partitions=all:8x8dct:frameref=2:bframes=3:b_pyramid:weight_b:pass=2

but sometimes it's slow (especially with big scale). Sure I can put turbo=2 etc...But I wonder
whether if it's not croping and scaling which waste time.

Is it possible to use libavcodec x.264 to benefit autoaspect option ?
And how to use it ?

Thank you very much.

--
philippe

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