.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
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.. c:namespace:: DTV.dmx
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.. _DMX_ADD_PID:
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===========
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DMX_ADD_PID
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===========
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Name
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----
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DMX_ADD_PID
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Synopsis
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--------
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.. c:macro:: DMX_ADD_PID
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``int ioctl(fd, DMX_ADD_PID, __u16 *pid)``
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Arguments
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---------
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``fd``
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File descriptor returned by :c:func:`open()`.
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``pid``
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PID number to be filtered.
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Description
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-----------
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This ioctl call allows to add multiple PIDs to a transport stream filter
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previously set up with :ref:`DMX_SET_PES_FILTER` and output equal to
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:c:type:`DMX_OUT_TSDEMUX_TAP <dmx_output>`.
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Return Value
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------------
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On success 0 is returned.
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On error -1 is returned, and the ``errno`` variable is set
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appropriately.
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Generic error codes are described at the
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:ref:`Generic Error Codes <gen-errors>` chapter.
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