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62 lines
1.3 KiB
62 lines
1.3 KiB
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later |
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.. c:namespace:: DTV.audio |
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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:macro:: AUDIO_SET_BYPASS_MODE |
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``int ioctl(int fd, AUDIO_SET_BYPASS_MODE, boolean 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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