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."