1.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 2.. c:namespace:: DTV.audio 3 4.. _AUDIO_SET_BYPASS_MODE: 5 6===================== 7AUDIO_SET_BYPASS_MODE 8===================== 9 10Name 11---- 12 13AUDIO_SET_BYPASS_MODE 14 15.. attention:: This ioctl is deprecated 16 17Synopsis 18-------- 19 20.. c:macro:: AUDIO_SET_BYPASS_MODE 21 22``int ioctl(int fd, AUDIO_SET_BYPASS_MODE, boolean mode)`` 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 - boolean mode 40 41 - Enables or disables the decoding of the current Audio stream in 42 the Digital TV subsystem. 43 44 TRUE: Bypass is disabled 45 46 FALSE: Bypass is enabled 47 48Description 49----------- 50 51This ioctl call asks the Audio Device to bypass the Audio decoder and 52forward the stream without decoding. This mode shall be used if streams 53that can’t be handled by the Digital TV system shall be decoded. Dolby 54DigitalTM streams are automatically forwarded by the Digital TV subsystem if 55the hardware can handle it. 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