1*4882a593Smuzhiyun.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 2*4882a593Smuzhiyun.. c:namespace:: DTV.dmx 3*4882a593Smuzhiyun 4*4882a593Smuzhiyun.. _DMX_GET_PES_PIDS: 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun================ 7*4882a593SmuzhiyunDMX_GET_PES_PIDS 8*4882a593Smuzhiyun================ 9*4882a593Smuzhiyun 10*4882a593SmuzhiyunName 11*4882a593Smuzhiyun---- 12*4882a593Smuzhiyun 13*4882a593SmuzhiyunDMX_GET_PES_PIDS 14*4882a593Smuzhiyun 15*4882a593SmuzhiyunSynopsis 16*4882a593Smuzhiyun-------- 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun.. c:macro:: DMX_GET_PES_PIDS 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun``int ioctl(fd, DMX_GET_PES_PIDS, __u16 pids[5])`` 21*4882a593Smuzhiyun 22*4882a593SmuzhiyunArguments 23*4882a593Smuzhiyun--------- 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun``fd`` 26*4882a593Smuzhiyun File descriptor returned by :c:func:`open()`. 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun``pids`` 29*4882a593Smuzhiyun Array used to store 5 Program IDs. 30*4882a593Smuzhiyun 31*4882a593SmuzhiyunDescription 32*4882a593Smuzhiyun----------- 33*4882a593Smuzhiyun 34*4882a593SmuzhiyunThis ioctl allows to query a DVB device to return the first PID used 35*4882a593Smuzhiyunby audio, video, textext, subtitle and PCR programs on a given service. 36*4882a593SmuzhiyunThey're stored as: 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun======================= ======== ======================================= 39*4882a593SmuzhiyunPID element position content 40*4882a593Smuzhiyun======================= ======== ======================================= 41*4882a593Smuzhiyunpids[DMX_PES_AUDIO] 0 first audio PID 42*4882a593Smuzhiyunpids[DMX_PES_VIDEO] 1 first video PID 43*4882a593Smuzhiyunpids[DMX_PES_TELETEXT] 2 first teletext PID 44*4882a593Smuzhiyunpids[DMX_PES_SUBTITLE] 3 first subtitle PID 45*4882a593Smuzhiyunpids[DMX_PES_PCR] 4 first Program Clock Reference PID 46*4882a593Smuzhiyun======================= ======== ======================================= 47*4882a593Smuzhiyun 48*4882a593Smuzhiyun.. note:: 49*4882a593Smuzhiyun 50*4882a593Smuzhiyun A value equal to 0xffff means that the PID was not filled by the 51*4882a593Smuzhiyun Kernel. 52*4882a593Smuzhiyun 53*4882a593SmuzhiyunReturn Value 54*4882a593Smuzhiyun------------ 55*4882a593Smuzhiyun 56*4882a593SmuzhiyunOn success 0 is returned. 57*4882a593Smuzhiyun 58*4882a593SmuzhiyunOn error -1 is returned, and the ``errno`` variable is set 59*4882a593Smuzhiyunappropriately. 60*4882a593Smuzhiyun 61*4882a593SmuzhiyunThe generic error codes are described at the 62*4882a593Smuzhiyun:ref:`Generic Error Codes <gen-errors>` chapter. 63