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OpenSolaris 2009.06 - man page for mixerctl (opensolaris section 1)

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mixerctl(1)				  User Commands 			      mixerctl(1)

NAME
       mixerctl - audio mixer control command line application

SYNOPSIS
       /usr/sbin/mixerctl [-a | -d dev] [-iv] [-e | -o]

DESCRIPTION
       Some  audio  devices  support  the audio mixer functionality. See mixer(7I) for a complete
       description of the audio mixer. The mixerctl command is used to control the  mode  of  the
       audio  mixer  and  to  get  information	about  the  audio mixer and the audio device. See
       audio(7I) for details.

OPTIONS
       The following options are supported. If none are specified, option -i is assumed:

       -a	  The command applies to all audio devices.

       -d dev	  The dev argument specifies an alternate audio control device for the command to
		  use.

       -e	  Enables the audio mixer function if the audio device supports it. If supported,
		  the audio mixer may be enabled at any time. The command  silently  ignores  the
		  enable option if the audio mixer is already enabled.

       -i	  Prints  the  audio device type information for the device and indicates whether
		  the audio device uses the audio mixer. If the device does use the audio  mixer,
		  this option displays the audio mixer's mode.

       -o	  Turns  off  the  audio  mixer function if the audio device supports it. If sup-
		  ported, the audio mixer may be turned off if only one process  has  the  device
		  opened  with	the  O_RDWR  flag, or, if two different processes have the device
		  opened, one with the O_RDONLY flag and the other with the O_WRONLY  flag.  (See
		  open(2).)  The  command  silently ignores the disable option if the audio mixer
		  function is already disabled.

       -v	  Verbose mode. Prints the audio_info_t structure for the device, along with  the
		  device type information. This option implies the -i option.

ENVIRONMENT VARIABLES
       AUDIODEV     If the -d and -a options are not specified, the AUDIODEV environment variable
		    is consulted. If set, AUDIODEV will contain the full path name of the  user's
		    default  audio device. The default audio device will be converted into a con-
		    trol  device,  and	then  used.  If  the  AUDIODEV	variable  is   not   set,
		    /dev/audioctl is used.

FILES
       /dev/audioctl

       /dev/sound/{0...n}ctl

ATTRIBUTES
       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Architecture		     |SPARC, x86		   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWauda			   |
       +-----------------------------+-----------------------------+
       |Stability Level 	     |Evolving			   |
       +-----------------------------+-----------------------------+

SEE ALSO
       audioconvert(1),   audioplay(1),   audiorecord(1),   open(2),  attributes(5),  usb_ac(7D),
       audio(7I), audio_support(7I), mixer(7I)

SunOS 5.11				   12 Mar 2001				      mixerctl(1)
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