6.2.2.31. VIDEO_GET_NAVI¶
6.2.2.31.2. Synopsis¶
-
int
ioctl(fd, VIDEO_GET_NAVI, struct video_navi_pack *navipack)¶
6.2.2.31.3. 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 ??. |
6.2.2.31.4. 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.
-
video_navi_pack¶
6.2.2.31.5. 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 |