1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2 .. c:namespace:: DTV.dmx
18 .. c:macro:: DMX_GET_PES_PIDS
20 ``int ioctl(fd, DMX_GET_PES_PIDS, __u16 pids[5])``
26 File descriptor returned by :c:func:`open()`.
29 Array used to store 5 Program IDs.
34 This ioctl allows to query a DVB device to return the first PID used
35 by audio, video, textext, subtitle and PCR programs on a given service.
38 ======================= ======== =======================================
39 PID element position content
40 ======================= ======== =======================================
41 pids[DMX_PES_AUDIO] 0 first audio PID
42 pids[DMX_PES_VIDEO] 1 first video PID
43 pids[DMX_PES_TELETEXT] 2 first teletext PID
44 pids[DMX_PES_SUBTITLE] 3 first subtitle PID
45 pids[DMX_PES_PCR] 4 first Program Clock Reference PID
46 ======================= ======== =======================================
50 A value equal to 0xffff means that the PID was not filled by the
56 On success 0 is returned.
58 On error -1 is returned, and the ``errno`` variable is set
61 The generic error codes are described at the
62 :ref:`Generic Error Codes <gen-errors>` chapter.