66 lines
1.2 KiB
ReStructuredText
66 lines
1.2 KiB
ReStructuredText
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.. -*- coding: utf-8; mode: rst -*-
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.. _AUDIO_GET_PTS:
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=============
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AUDIO_GET_PTS
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=============
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Name
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----
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AUDIO_GET_PTS
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.. attention:: This ioctl is deprecated
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Synopsis
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--------
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.. c:function:: int ioctl(int fd, AUDIO_GET_PTS, __u64 *pts)
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:name: AUDIO_GET_PTS
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Arguments
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---------
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.. flat-table::
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:header-rows: 0
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:stub-columns: 0
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-
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- int fd
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- File descriptor returned by a previous call to open().
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-
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- __u64 \*pts
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- Returns the 33-bit timestamp as defined in ITU T-REC-H.222.0 /
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ISO/IEC 13818-1.
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The PTS should belong to the currently played frame if possible,
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but may also be a value close to it like the PTS of the last
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decoded frame or the last PTS extracted by the PES parser.
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Description
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-----------
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This ioctl is obsolete. Do not use in new drivers. If you need this
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functionality, then please contact the linux-media mailing list
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(`https://linuxtv.org/lists.php <https://linuxtv.org/lists.php>`__).
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This ioctl call asks the Audio Device to return the current PTS
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timestamp.
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Return Value
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------------
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On success 0 is returned, on error -1 and the ``errno`` variable is set
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appropriately. The generic error codes are described at the
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:ref:`Generic Error Codes <gen-errors>` chapter.
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