blob: 9835d1e784007640579a355fce2a750d1e63309b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
.. -*- coding: utf-8; mode: rst -*-
.. _DMX_START:
=========
DMX_START
=========
Name
----
DMX_START
Synopsis
--------
.. cpp:function:: int ioctl( int fd, int request = DMX_START)
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 DMX_START for this command.
Description
-----------
This ioctl call is used to start the actual filtering operation defined
via the ioctl calls DMX_SET_FILTER or DMX_SET_PES_FILTER.
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
- ``EINVAL``
- Invalid argument, i.e. no filtering parameters provided via the
DMX_SET_FILTER or DMX_SET_PES_FILTER functions.
- .. row 2
- ``EBUSY``
- This error code indicates that there are conflicting requests.
There are active filters filtering data from another input source.
Make sure that these filters are stopped before starting this
filter.
|
