1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2 .. c:namespace:: DTV.audio
4 .. _AUDIO_SET_BYPASS_MODE:
15 .. attention:: This ioctl is deprecated
20 .. c:macro:: AUDIO_SET_BYPASS_MODE
22 ``int ioctl(int fd, AUDIO_SET_BYPASS_MODE, boolean mode)``
35 - File descriptor returned by a previous call to open().
41 - Enables or disables the decoding of the current Audio stream in
42 the Digital TV subsystem.
44 TRUE: Bypass is disabled
46 FALSE: Bypass is enabled
51 This ioctl call asks the Audio Device to bypass the Audio decoder and
52 forward the stream without decoding. This mode shall be used if streams
53 that can’t be handled by the Digital TV system shall be decoded. Dolby
54 DigitalTM streams are automatically forwarded by the Digital TV subsystem if
55 the hardware can handle it.
60 On success 0 is returned, on error -1 and the ``errno`` variable is set
61 appropriately. The generic error codes are described at the
62 :ref:`Generic Error Codes <gen-errors>` chapter.