threeeye
bc1d038eac
Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
85 lines
1.4 KiB
ReStructuredText
85 lines
1.4 KiB
ReStructuredText
.. -*- coding: utf-8; mode: rst -*-
|
|
|
|
.. _VIDEO_GET_NAVI:
|
|
|
|
==============
|
|
VIDEO_GET_NAVI
|
|
==============
|
|
|
|
Name
|
|
----
|
|
|
|
VIDEO_GET_NAVI
|
|
|
|
.. attention:: This ioctl is deprecated.
|
|
|
|
Synopsis
|
|
--------
|
|
|
|
.. c:function:: int ioctl(fd, VIDEO_GET_NAVI , struct video_navi_pack *navipack)
|
|
:name: VIDEO_GET_NAVI
|
|
|
|
|
|
Arguments
|
|
---------
|
|
|
|
.. flat-table::
|
|
:header-rows: 0
|
|
:stub-columns: 0
|
|
|
|
|
|
- .. row 1
|
|
|
|
- int fd
|
|
|
|
- File descriptor returned by a previous call to open().
|
|
|
|
- .. row 2
|
|
|
|
- int request
|
|
|
|
- Equals VIDEO_GET_NAVI for this command.
|
|
|
|
- .. row 3
|
|
|
|
- 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.
|
|
|
|
.. c:type:: video_navi_pack
|
|
|
|
.. code-block::c
|
|
|
|
typedef struct video_navi_pack {
|
|
int length; /* 0 ... 1024 */
|
|
__u8 data[1024];
|
|
} video_navi_pack_t;
|
|
|
|
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.
|
|
|
|
|
|
|
|
.. flat-table::
|
|
:header-rows: 0
|
|
:stub-columns: 0
|
|
|
|
|
|
- .. row 1
|
|
|
|
- ``EFAULT``
|
|
|
|
- driver is not able to return navigational information
|