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58 lines
1003 B
58 lines
1003 B
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later |
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.. c:namespace:: DTV.audio |
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.. _AUDIO_SET_AV_SYNC: |
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================= |
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AUDIO_SET_AV_SYNC |
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================= |
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Name |
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---- |
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AUDIO_SET_AV_SYNC |
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.. attention:: This ioctl is deprecated |
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Synopsis |
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-------- |
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.. c:macro:: AUDIO_SET_AV_SYNC |
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``int ioctl(int fd, AUDIO_SET_AV_SYNC, boolean state)`` |
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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 state |
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- Tells the Digital TV subsystem if A/V synchronization shall be ON or OFF. |
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TRUE: AV-sync ON |
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FALSE: AV-sync OFF |
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Description |
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----------- |
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This ioctl call asks the Audio Device to turn ON or OFF A/V |
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synchronization. |
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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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