0001 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
0002 .. c:namespace:: DTV.audio
0003
0004 .. _AUDIO_SET_BYPASS_MODE:
0005
0006 =====================
0007 AUDIO_SET_BYPASS_MODE
0008 =====================
0009
0010 Name
0011 ----
0012
0013 AUDIO_SET_BYPASS_MODE
0014
0015 .. attention:: This ioctl is deprecated
0016
0017 Synopsis
0018 --------
0019
0020 .. c:macro:: AUDIO_SET_BYPASS_MODE
0021
0022 ``int ioctl(int fd, AUDIO_SET_BYPASS_MODE, boolean mode)``
0023
0024 Arguments
0025 ---------
0026
0027 .. flat-table::
0028 :header-rows: 0
0029 :stub-columns: 0
0030
0031 -
0032
0033 - int fd
0034
0035 - File descriptor returned by a previous call to open().
0036
0037 -
0038
0039 - boolean mode
0040
0041 - Enables or disables the decoding of the current Audio stream in
0042 the Digital TV subsystem.
0043
0044 TRUE: Bypass is disabled
0045
0046 FALSE: Bypass is enabled
0047
0048 Description
0049 -----------
0050
0051 This ioctl call asks the Audio Device to bypass the Audio decoder and
0052 forward the stream without decoding. This mode shall be used if streams
0053 that can't be handled by the Digital TV system shall be decoded. Dolby
0054 DigitalTM streams are automatically forwarded by the Digital TV subsystem if
0055 the hardware can handle it.
0056
0057 Return Value
0058 ------------
0059
0060 On success 0 is returned, on error -1 and the ``errno`` variable is set
0061 appropriately. The generic error codes are described at the
0062 :ref:`Generic Error Codes <gen-errors>` chapter.
