75 lines
1.6 KiB
ReStructuredText
75 lines
1.6 KiB
ReStructuredText
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.. Permission is granted to copy, distribute and/or modify this
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.. document under the terms of the GNU Free Documentation License,
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.. Version 1.1 or any later version published by the Free Software
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.. Foundation, with no Invariant Sections, no Front-Cover Texts
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.. and no Back-Cover Texts. A copy of the license is included at
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.. Documentation/media/uapi/fdl-appendix.rst.
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..
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.. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections
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.. _VIDEO_GET_FRAME_COUNT:
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=====================
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VIDEO_GET_FRAME_COUNT
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=====================
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Name
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----
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VIDEO_GET_FRAME_COUNT
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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, VIDEO_GET_FRAME_COUNT, __u64 *pts)
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:name: VIDEO_GET_FRAME_COUNT
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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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- .. row 1
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- int fd
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- File descriptor returned by a previous call to open().
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- .. row 2
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- int request
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- Equals VIDEO_GET_FRAME_COUNT for this command.
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- .. row 3
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- __u64 \*pts
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- Returns the number of frames displayed since the decoder was
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started.
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Description
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-----------
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This ioctl is obsolete. Do not use in new drivers. For V4L2 decoders
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this ioctl has been replaced by the ``V4L2_CID_MPEG_VIDEO_DEC_FRAME``
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control.
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This ioctl call asks the Video Device to return the number of displayed
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frames since the decoder was started.
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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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