You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
63 lines
1.3 KiB
63 lines
1.3 KiB
.. -*- coding: utf-8; mode: rst -*- |
|
|
|
.. _VIDEO_FREEZE: |
|
|
|
============ |
|
VIDEO_FREEZE |
|
============ |
|
|
|
Name |
|
---- |
|
|
|
VIDEO_FREEZE |
|
|
|
.. attention:: This ioctl is deprecated. |
|
|
|
Synopsis |
|
-------- |
|
|
|
.. c:function:: int ioctl(fd, VIDEO_FREEZE) |
|
:name: VIDEO_FREEZE |
|
|
|
|
|
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_FREEZE for this command. |
|
|
|
|
|
Description |
|
----------- |
|
|
|
This ioctl is for Digital TV devices only. To control a V4L2 decoder use the |
|
V4L2 :ref:`VIDIOC_DECODER_CMD` instead. |
|
|
|
This ioctl call suspends the live video stream being played. Decoding |
|
and playing are frozen. It is then possible to restart the decoding and |
|
playing process of the video stream using the VIDEO_CONTINUE command. |
|
If VIDEO_SOURCE_MEMORY is selected in the ioctl call |
|
VIDEO_SELECT_SOURCE, the Digital TV subsystem will not decode any more data |
|
until the ioctl call VIDEO_CONTINUE or VIDEO_PLAY is performed. |
|
|
|
|
|
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.
|
|
|