blob: 6c3034fe5fa2b1102c71065f5dcd0b0a23289fd2 [file] [log] [blame]
.. -*- coding: utf-8; mode: rst -*-
.. _VIDEO_GET_NAVI:
==============
VIDEO_GET_NAVI
==============
Name
----
VIDEO_GET_NAVI
Synopsis
--------
.. cpp:function:: int ioctl(fd, int request = VIDEO_GET_NAVI , video_navi_pack_t *navipack)
Arguments
---------
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- int fd
- File descriptor returned by a previous call to open().
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- int request
- Equals VIDEO_GET_NAVI for this command.
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- 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
:ref:`Generic Error Codes <gen-errors>` chapter.
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- ``EFAULT``
- driver is not able to return navigational information