[MPlayer-users] CBR Problem with x264opts

[Ankit Jain]

Hi,
I am trying to use mencoder to get a constant bitrate h264
stream of 1.6mbps.
I'm using following command.

mencoder.exe -noaspect -oac lavc -srate 44100 -af
lavcresample=44100 -lavcopts acodec=mp2:abitrate=192 -af
volume=15:0 -ovc x264 -x264encopts
log=3:partitions=all:bitrate=1600:vbv_maxrate=1800:vbv_bufsize=1800:scenecut=60:keyint=30:bframes=2:subq=7:nofast_pskip:frameref=5
-o output.avi input.vob

When i run this output.avi using vlc player, i can see the
stream bitrate shoots up to 4 mbps as well as goes down to 800
kbps.
So it seems mencoder is giving me 1.6 mbps average bitrate.

How can i get a constant bitrate of 1.6 mbps(CBR) calculated
over few seconds.

regards,
Ankit

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