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Diffstat (limited to 'Documentation/userspace-api/media/dvb/dmx-remove-pid.rst')
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diff --git a/Documentation/userspace-api/media/dvb/dmx-remove-pid.rst b/Documentation/userspace-api/media/dvb/dmx-remove-pid.rst new file mode 100644 index 0000000000..f75b33e5e4 --- /dev/null +++ b/Documentation/userspace-api/media/dvb/dmx-remove-pid.rst @@ -0,0 +1,48 @@ +.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later +.. c:namespace:: DTV.dmx + +.. _DMX_REMOVE_PID: + +============== +DMX_REMOVE_PID +============== + +Name +---- + +DMX_REMOVE_PID + +Synopsis +-------- + +.. c:macro:: DMX_REMOVE_PID + +``int ioctl(fd, DMX_REMOVE_PID, __u16 *pid)`` + +Arguments +--------- + +``fd`` + File descriptor returned by :c:func:`open()`. + +``pid`` + PID of the PES filter to be removed. + +Description +----------- + +This ioctl call allows to remove a PID when multiple PIDs are set on a +transport stream filter, e. g. a filter previously set up with output +equal to :c:type:`DMX_OUT_TSDEMUX_TAP <dmx_output>`, created via either +:ref:`DMX_SET_PES_FILTER` or :ref:`DMX_ADD_PID`. + +Return Value +------------ + +On success 0 is returned. + +On error -1 is returned, and the ``errno`` variable is set +appropriately. + +The generic error codes are described at the +:ref:`Generic Error Codes <gen-errors>` chapter. |