Documentation/media/uapi/dvb/audio-set-streamtype.rst

   1 .. -*- coding: utf-8; mode: rst -*-
   2
   3 .. _AUDIO_SET_STREAMTYPE:
   4
   5 ====================
   6 AUDIO_SET_STREAMTYPE
   7 ====================
   8
   9 Name
  10 ----
  11
  12 AUDIO_SET_STREAMTYPE
  13
  14
  15 Synopsis
  16 --------
  17
  18 .. cpp:function:: int  ioctl(fd, int request = AUDIO_SET_STREAMTYPE, int type)
  19
  20
  21 Arguments
  22 ---------
  23
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  28
  29     -  .. row 1
  30
  31        -  int fd
  32
  33        -  File descriptor returned by a previous call to open().
  34
  35     -  .. row 2
  36
  37        -  int request
  38
  39        -  Equals AUDIO_SET_STREAMTYPE for this command.
  40
  41     -  .. row 3
  42
  43        -  int type
  44
  45        -  stream type
  46
  47
  48 Description
  49 -----------
  50
  51 This ioctl tells the driver which kind of audio stream to expect. This
  52 is useful if the stream offers several audio sub-streams like LPCM and
  53 AC3.
  54
  55
  56 Return Value
  57 ------------
  58
  59 On success 0 is returned, on error -1 and the ``errno`` variable is set
  60 appropriately. The generic error codes are described at the
  61 :ref:`Generic Error Codes <gen-errors>` chapter.
  62
  63
  64
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  70     -  .. row 1
  71
  72        -  ``EINVAL``
  73
  74        -  type is not a valid or supported stream type.