60 lines
1.2 KiB
ReStructuredText
60 lines
1.2 KiB
ReStructuredText
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.. -*- coding: utf-8; mode: rst -*-
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.. _AUDIO_BILINGUAL_CHANNEL_SELECT:
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==============================
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AUDIO_BILINGUAL_CHANNEL_SELECT
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==============================
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Name
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----
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AUDIO_BILINGUAL_CHANNEL_SELECT
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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_BILINGUAL_CHANNEL_SELECT, struct *audio_channel_select)
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:name: AUDIO_BILINGUAL_CHANNEL_SELECT
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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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- audio_channel_select_t ch
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- Select the output format of the audio (mono left/right, stereo).
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Description
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-----------
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This ioctl is obsolete. Do not use in new drivers. It has been replaced
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by the V4L2 ``V4L2_CID_MPEG_AUDIO_DEC_MULTILINGUAL_PLAYBACK`` control
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for MPEG decoders controlled through V4L2.
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This ioctl call asks the Audio Device to select the requested channel
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for bilingual streams if possible.
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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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