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audio-get-capabilities.rst

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AUDIO_GET_CAPABILITIES

Name

AUDIO_GET_CAPABILITIES

Attention!

This ioctl is deprecated

Synopsis

.. c:function:: int ioctl(int fd, AUDIO_GET_CAPABILITIES, unsigned int *cap)
    :name: AUDIO_GET_CAPABILITIES

Arguments

.. flat-table::
    :header-rows:  0
    :stub-columns: 0


    -

       -  int fd

       -  File descriptor returned by a previous call to open().

    -

       -  unsigned int \*cap

       -  Returns a bit array of supported sound formats.

Description

This ioctl call asks the Audio Device to tell us about the decoding capabilities of the audio hardware.

Return Value

On success 0 is returned, on error -1 and the errno variable is set appropriately. The generic error codes are described at the :ref:`Generic Error Codes <gen-errors>` chapter.