[MPlayer-users] mplayer: slow seek forwards

[James Board]

I have video data that 1920x1080 in resolution and created with mencoder by these commands

    mencoder IN.avi -ovc lavc -lavcopts vcodec=mpeg4:vbitrate=10000000:threads=1:keyint=15:vpass=1 -oac copy -o /dev/null
    mencoder IN.avi -ovc lavc -lavcopts vcodec=mpeg4:vbitrate=10000000:mbd=2:trell:threads=1:keyint=15:vpass=2  -oac copy -of mpeg -o OUT.avi


I playback fullscreen with mplayer on an LCD TV.  Whenever I try to seek forward with the arrow buttons,
the video pauses for 1 or 2 seconds, then starts playing again.  This doesn't happen with
other 1920x1080 videos.  The problem isn't a slow filesystem, and I'm using a fast
Intel i7 CPU.  What could the problem be?  Could the avi format somehow cause the
problem?

Thank you.