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56 lines
1.1 KiB
56 lines
1.1 KiB
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later |
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.. c:namespace:: DTV.audio |
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.. _AUDIO_SELECT_SOURCE: |
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=================== |
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AUDIO_SELECT_SOURCE |
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=================== |
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Name |
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---- |
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AUDIO_SELECT_SOURCE |
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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_SELECT_SOURCE |
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``int ioctl(int fd, AUDIO_SELECT_SOURCE, struct audio_stream_source *source)`` |
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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_stream_source_t source |
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- Indicates the source that shall be used for the Audio stream. |
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Description |
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----------- |
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This ioctl call informs the audio device which source shall be used for |
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the input data. The possible sources are demux or memory. If |
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AUDIO_SOURCE_MEMORY is selected, the data is fed to the Audio Device |
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through the write command. |
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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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