1.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 2.. c:namespace:: DTV.audio 3 4.. _AUDIO_SET_STREAMTYPE: 5 6==================== 7AUDIO_SET_STREAMTYPE 8==================== 9 10Name 11---- 12 13AUDIO_SET_STREAMTYPE 14 15.. attention:: This ioctl is deprecated 16 17Synopsis 18-------- 19 20.. c:macro:: AUDIO_SET_STREAMTYPE 21 22``int ioctl(fd, AUDIO_SET_STREAMTYPE, int type)`` 23 24Arguments 25--------- 26 27.. flat-table:: 28 :header-rows: 0 29 :stub-columns: 0 30 31 - 32 33 - int fd 34 35 - File descriptor returned by a previous call to open(). 36 37 - 38 39 - int type 40 41 - stream type 42 43Description 44----------- 45 46This ioctl tells the driver which kind of audio stream to expect. This 47is useful if the stream offers several audio sub-streams like LPCM and 48AC3. 49 50Return Value 51------------ 52 53On success 0 is returned, on error -1 and the ``errno`` variable is set 54appropriately. The generic error codes are described at the 55:ref:`Generic Error Codes <gen-errors>` chapter. 56 57 58.. flat-table:: 59 :header-rows: 0 60 :stub-columns: 0 61 62 - .. row 1 63 64 - ``EINVAL`` 65 66 - type is not a valid or supported stream type. 67