video quality in diamond

[hihinet]

Hi! everyone. it is the first time i post a thread in XDA. i am using core player play a video in diamond and result in a little bit lagging video.
how to config coreplayer 1.25 built 4506 to get a high video quality?????
by running benchmark, i only got 70-85%
here is the detail:
video:
size:640 x 360
bit rate: 600k/s
code :xvid
frame : 23.976
audio:
format :mp3
bit rate: 160,44100Hz

[mccune]

Might be usefull to share the settings you use in CorePlayer.

Second, this does not belong in the ROM Development section. It should be in the Diamond section.