int ioctl(fd, int request = VIDEO_GET_NAVI, video_navi_pack_t *navipack) Arguments

int fd File descriptor returned by a previous call to open().
int request Equals VIDEO_GET_NAVI for this command.
video_navi_pack_t *navipack PCI or DSI pack (private stream 2) according to section ??. Description

This ioctl returns navigational information from the DVD stream. This is especially needed if an encoded stream has to be decoded by the hardware. Return Value

On success 0 is returned, on error -1 and the errno variable is set appropriately. The generic error codes are described at the Generic Error Codes chapter.

EFAULT driver is not able to return navigational information