Change the indent of the xosd window
#include <xosd.h>
int xosd_set_horizontal_offset (xosd* osd, int offset);
xosd_set_horizontal_offset changes the number of pixels the XOSD window is indent from the left of the screen.
The on-screen display object to act on.
Indent from the left of the screen, in pixels.
On success, a zero is returned. On error, -1 is returned.