blob: a55f7a1d52acfedb38b0b9dc94f1df7764bcf521 [file] [log] [blame]
.. -*- coding: utf-8; mode: rst -*-
.. _VIDEO_GET_FRAME_COUNT:
=====================
VIDEO_GET_FRAME_COUNT
=====================
Name
----
VIDEO_GET_FRAME_COUNT
Synopsis
--------
.. c:function:: int ioctl(int fd, int request = VIDEO_GET_FRAME_COUNT, __u64 *pts)
Arguments
---------
.. flat-table::
:header-rows: 0
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- .. row 1
- int fd
- File descriptor returned by a previous call to open().
- .. row 2
- int request
- Equals VIDEO_GET_FRAME_COUNT for this command.
- .. row 3
- __u64 \*pts
- Returns the number of frames displayed since the decoder was
started.
Description
-----------
This ioctl is obsolete. Do not use in new drivers. For V4L2 decoders
this ioctl has been replaced by the ``V4L2_CID_MPEG_VIDEO_DEC_FRAME``
control.
This ioctl call asks the Video Device to return the number of displayed
frames since the decoder was started.
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.