1.. -*- coding: utf-8; mode: rst -*- 2 3.. _VIDEO_SET_ID: 4 5============ 6VIDEO_SET_ID 7============ 8 9Name 10---- 11 12VIDEO_SET_ID 13 14.. attention:: This ioctl is deprecated. 15 16Synopsis 17-------- 18 19.. c:function:: int ioctl(int fd, VIDEO_SET_ID, int id) 20 :name: VIDEO_SET_ID 21 22 23Arguments 24--------- 25 26.. flat-table:: 27 :header-rows: 0 28 :stub-columns: 0 29 30 31 - .. row 1 32 33 - int fd 34 35 - File descriptor returned by a previous call to open(). 36 37 - .. row 2 38 39 - int request 40 41 - Equals VIDEO_SET_ID for this command. 42 43 - .. row 3 44 45 - int id 46 47 - video sub-stream id 48 49 50Description 51----------- 52 53This ioctl selects which sub-stream is to be decoded if a program or 54system stream is sent to the video device. 55 56 57Return Value 58------------ 59 60On success 0 is returned, on error -1 and the ``errno`` variable is set 61appropriately. The generic error codes are described at the 62:ref:`Generic Error Codes <gen-errors>` chapter. 63 64 65 66.. flat-table:: 67 :header-rows: 0 68 :stub-columns: 0 69 70 71 - .. row 1 72 73 - ``EINVAL`` 74 75 - Invalid sub-stream id. 76