71 lines
1.6 KiB
ReStructuredText
71 lines
1.6 KiB
ReStructuredText
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.. Permission is granted to copy, distribute and/or modify this
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.. document under the terms of the GNU Free Documentation License,
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.. Version 1.1 or any later version published by the Free Software
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.. Foundation, with no Invariant Sections, no Front-Cover Texts
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.. and no Back-Cover Texts. A copy of the license is included at
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.. Documentation/media/uapi/fdl-appendix.rst.
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..
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.. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections
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.. _AUDIO_SET_BYPASS_MODE:
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=====================
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AUDIO_SET_BYPASS_MODE
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=====================
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Name
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----
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AUDIO_SET_BYPASS_MODE
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.. attention:: This ioctl is deprecated
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Synopsis
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--------
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.. c:function:: int ioctl(int fd, AUDIO_SET_BYPASS_MODE, boolean mode)
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:name: AUDIO_SET_BYPASS_MODE
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Arguments
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---------
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.. flat-table::
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:header-rows: 0
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:stub-columns: 0
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-
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- int fd
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- File descriptor returned by a previous call to open().
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-
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- boolean mode
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- Enables or disables the decoding of the current Audio stream in
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the Digital TV subsystem.
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TRUE: Bypass is disabled
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FALSE: Bypass is enabled
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Description
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-----------
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This ioctl call asks the Audio Device to bypass the Audio decoder and
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forward the stream without decoding. This mode shall be used if streams
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that can’t be handled by the Digital TV system shall be decoded. Dolby
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DigitalTM streams are automatically forwarded by the Digital TV subsystem if
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the hardware can handle it.
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Return Value
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------------
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On success 0 is returned, on error -1 and the ``errno`` variable is set
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appropriately. The generic error codes are described at the
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:ref:`Generic Error Codes <gen-errors>` chapter.
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