16 .. c:function:: int ioctl(fd, DMX_GET_PES_PIDS, __u16 pids[5])
17 :name: DMX_GET_PES_PIDS
23 File descriptor returned by :c:func:`open() <dvb-dmx-open>`.
26 Array used to store 5 Program IDs.
32 This ioctl allows to query a DVB device to return the first PID used
33 by audio, video, textext, subtitle and PCR programs on a given service.
36 ======================= ======== =======================================
37 PID element position content
38 ======================= ======== =======================================
39 pids[DMX_PES_AUDIO] 0 first audio PID
40 pids[DMX_PES_VIDEO] 1 first video PID
41 pids[DMX_PES_TELETEXT] 2 first teletext PID
42 pids[DMX_PES_SUBTITLE] 3 first subtitle PID
43 pids[DMX_PES_PCR] 4 first Program Clock Reference PID
44 ======================= ======== =======================================
49 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.