[deliverable/linux.git] / Documentation / media / uapi / dvb / video-get-capabilities.rst

.. -*- coding: utf-8; mode: rst -*-

.. _VIDEO_GET_CAPABILITIES:

======================
VIDEO_GET_CAPABILITIES
======================

Name
----

VIDEO_GET_CAPABILITIES

.. attention:: This ioctl is deprecated.

Synopsis
--------

.. c:function:: int ioctl(fd, VIDEO_GET_CAPABILITIES, unsigned int *cap)
    :name: VIDEO_GET_CAPABILITIES


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_CAPABILITIES for this command.

    -  .. row 3

       -  unsigned int \*cap

       -  Pointer to a location where to store the capability information.


Description
-----------

This ioctl call asks the video device about its decoding capabilities.
On success it returns and integer which has bits set according to the
defines in section ??.


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.
Commit	Line	Data
	1	.. -- coding: utf-8; mode: rst --
	2
	3	.. _VIDEO_GET_CAPABILITIES:
	4
	5	======================
	6	VIDEO_GET_CAPABILITIES
	7	======================
	8
	9	Name
	10	----
	11
	12	VIDEO_GET_CAPABILITIES
	13
	14	.. attention:: This ioctl is deprecated.
	15
	16	Synopsis
	17	--------
	18
	19	.. c:function:: int ioctl(fd, VIDEO_GET_CAPABILITIES, unsigned int *cap)
	20	:name: VIDEO_GET_CAPABILITIES
	21
	22
	23	Arguments
	24	---------
	25
	26	.. flat-table::
	27	:header-rows: 0
	28	:stub-columns: 0
	29
	30
	31	- .. row 1
	32
	33	- int fd
	34
	35	- File descriptor returned by a previous call to open().
	36
	37	- .. row 2
	38
	39	- int request
	40
	41	- Equals VIDEO_GET_CAPABILITIES for this command.
	42
	43	- .. row 3
	44
	45	- unsigned int \*cap
	46
	47	- Pointer to a location where to store the capability information.
	48
	49
	50	Description
	51	-----------
	52
	53	This ioctl call asks the video device about its decoding capabilities.
	54	On success it returns and integer which has bits set according to the
	55	defines in section ??.
	56
	57
	58	Return Value
	59	------------
	60
	61	On success 0 is returned, on error -1 and the ``errno`` variable is set
	62	appropriately. The generic error codes are described at the
	63	:ref:`Generic Error Codes <gen-errors>` chapter.