can't play .avi or .mpg

my code is very simple
#include <litec.h>
#include <default.c>
#include <acknex.h>
void main()
{
video_mode = 7;
media_play("clock.avi",NULL,50);
while(1)
{
wait(1);
}
}

but it doesn't work...
An error is "Attempt to use uninitialized D3D device."

Unless your using pure lite-c mode I don't think you need litec.h

Read the manual it will tell you about media_play make sure you use
the lite-c example and NOT c-script..

The manual is your friend.

thanks