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ogg123(1)				   Vorbis Tools 				ogg123(1)

NAME
       ogg123 - plays Ogg Vorbis files

SYNOPSIS
       ogg123 [ -vqrzZVh ] [ -k seconds ] [ -x nth ] [ -y ntimes ] [ -b buffer_size ] [ -d driver
       [ -o option:value ] [ -f filename ] ] file ...  | directory ...	| URL ...

DESCRIPTION
       ogg123 reads Ogg Vorbis audio files and decodes them to the devices specified on the  com-
       mand line.  By default, ogg123 writes to the standard sound device, but output can be sent
       to any number of devices.  Files can be read from the file system, or URLs can be streamed
       via  HTTP.   If a directory is given, all of the files in it or its subdirectories will be
       played.

OPTIONS
       --audio-buffer n
	      Use an output audio buffer of approximately 'n' kilobytes.

       -@ playlist, --list playlist
	      Play all of the files named in the file 'playlist'.  The playlist should	have  one
	      filename, directory name, or URL per line.  Blank lines are permitted.  Directories
	      will be treated in the same way as on the command line.

       -b n, --buffer n
	      Use an input buffer of approximately 'n' kilobytes.  HTTP-only option.

       -p n, --prebuffer n
	      Prebuffer 'n' percent of the input buffer.  Playback won't begin	until  this  pre-
	      buffer is complete.  HTTP-only option.

       -d device, --device device
	      Specify  output  device.	See DEVICES section for a list of devices.  Any number of
	      devices may be specified.

       -f filename, --file filename
	      Specify output file for file devices.  The filename "-" writes to standard out.  If
	      the file already exists, ogg123 will overwrite it.

       -c c, --config c
	      Config options from command-line.

       -l s, --delay s
	      Set  termination timeout in milliseconds. ogg123 will skip to the next song on SIG-
	      INT (Ctrl-C), and will terminate if two SIGINTs are received within  the	specified
	      timeout 's'. (default 500)

       -h, --help
	      Show command help.

       -k n, --skip n
	      Skip  the  first	'n'  seconds.	'n'  may also be in minutes:seconds or hours:min-
	      utes:seconds form.

       -K n, --end n
	      Stops playing 'n' seconds from the start of the stream.  'n' may also have the same
	      format as used in the --skip option.

       -o option[:value], --device-option option[:value]
	      Sets  the  option option to value for the preceding device.  See DEVICES for a list
	      of valid options for each device.

       -q, --quiet
	      Quiet mode.  No messages are displayed.

       -V, --version
	      Display version information.

       -v, --verbose
	      Increase verbosity.

       -x n, --nth
	      Play every 'n'th decoded block.  Has the effect  of  playing  audio  at  'n'  times
	      faster than normal speed.

       -y n, --ntimes
	      Repeat  every  played  block  'n' times.	Has the effect of playing audio 'n' times
	      slower than normal speed.  May be with -x for interesting fractional speeds.

       -r, --repeat
	      Repeat playlist indefinitely.

       -R, --remote
	      Use remote control interface.

       -z, --shuffle
	      Play files in pseudo-random order.

       -Z, --random
	      Play files in pseudo-random order forever.

DEVICES
       ogg123 supports a variety of audio output devices through libao.  Only those devices  sup-
       ported  by  the	target	platform  will be available.  The -f option may only be used with
       devices that write to files.

       Options supported by all devices:

	      debug  Turn on debugging output [if any] for a chosen driver.

	      matrix:value
		     Force a specific output channel ordering for a given  device.   value  is	a
		     comma seperated list of AO style channel names, eg, L,R,C,LFE,BL,BR,SL,SR.

	      verbose
		     Turn  on verbose output for a chosen driver. the -v option will also set the
		     driver verbose option.

	      quiet  Force chosen driver to be completely silent.  Even errors will  not  produce
		     any output. -q will also set the driver quiet option.

       aixs   AIX live output driver. Options:

	      dev:value
		     Set AIX output device to value

       alsa   Advanced Linux Sound Architecture live output driver. Options:

	      buffer_time:value
		     Override the default hardware buffer size (in milliseconds).

	      dev:value
		     ALSA  device  label  to use. Examples include "hw:0" for the first soundcard
		     and "hw:1" for the second.  The alsa driver normally chooses  one	of  "sur-
		     round71", "surround51", "surround40" or "default" automatically depending on
		     number of output channels.   For  more  information,  see	http://alsa.open-
		     src.org/ALSA+device+labels

	      period_time:value
		     Override the default hardware period size (in microseconds).

	      period_time:value
		     Override the default hardware period size (in microseconds).

	      use_mmap:value
		     value  is set to "yes" or "no" to override the compiled-in default to use or
		     not use mmap device access.  In the  past,  some  buggy  alsa  drivers  have
		     behaved  better when not using mmap access at the penalty of slightly higher
		     CPU usage.

       arts   aRts Sound Daemon live output driver. Options:

	      multi:value
		     value is set to "yes" or "no" to allow opening the aRts playback device  for
		     multiply  concurrent  playback.  Although the driver works properly in multi
		     mode, it is known to occasionally crash the  aRts	server	itself.   Default
		     behavior is "no".

       au     Sun  audio file output.  Writes the audio samples in AU format.  The AU format sup-
	      ports writing to unseekable files like standard out.  In such circumstances, the AU
	      header will specify the sample format, but not the length of the recording.

       esd    Enlightened Sound Daemon live output. Options:

	      host:value
		     value  specifies the hostname where esd is running.  This can include a port
		     number after a colon, as in "whizbang.com:555".  (Default = localhost)

       irix   IRIX live output audio driver.

       macosx MacOS X 'AUHAL' live output driver.  This driver supports MacOS X  10.5  and  later
	      (10.4 and earlier uses an earlier, incompatable interface). Options:

	      buffer_time:value
		     Set the hardware buffer size to the equivalent of value milliseconds.

       nas    Network Audio Server live output driver. Options:

	      buf_size:value
		     Set size of audio buffer on server in bytes.

	      host:value
		     Set location of NAS server; See nas(1) for format.

       null   Null  driver.   All  audio  data is discarded.  (Note: Audio data is not written to
	      /dev/null !)  You could use this driver to test raw decoding speed  without  output
	      overhead.

       oss    Open Sound System driver for Linux and FreeBSD, versions 2, 3 and 4. Options:

	      dsp:value
		     DSP device for soundcard.	Defaults to /dev/dsp.

       pulse  Pulseaudio live audio sound driver. Options:

	      server:value
		     Specifies location of remote or alternate Pulseaudio server.

	      sink:value
		     Specifies a non-default Pulseaudio sink for audio stream.

       raw    Raw file output.	Writes raw audio samples to a file. Options:

	      byteorder:value
		     Chooses  big  endian ("big"), little endian ("little"), or native ("native")
		     byte order.  Default is native order.

       roar   Roar Audio Daemon live output driver. Options:

	      host:value
		     Specifies location of remote Roar server to use.

       sndio  OpenBSD SNDIO live output driver. Options:

	      dev:value
		     Specifies audio device to use for playback.

       sun    Sun Audio live output driver for NetBSD, OpenBSD, and Solaris. Options:

	      dev:value
		     Audio device for soundcard.  Defaults to /dev/audio.

       wav    WAV file output.	Writes the sound data to disk in uncompressed form.  If  multiple
	      files  are  played,  all	of them will be concatenated into the same WAV file.  WAV
	      files cannot be written to unseekable files, such as standard out.  Use the AU for-
	      mat instead.

       wmm    Windows MultiMedia live output driver for Win98 and later. Options:

	      dev:value
		     Selects audio device to use for playback by device name.

	      id:value
		     Selects audio device to use for playback by device id (card number).

EXAMPLES
       The  ogg123 command line is fairly flexible, perhaps confusingly so.  Here are some sample
       command lines and an explanation of what they do.

       Play on the default soundcard:
	      ogg123 test.ogg

       Play all of the files in the directory ~/music and its subdirectories.
	      ogg123 ~/music

       Play a file using the OSS driver:
	      ogg123 -d oss test.ogg

       Pass the "dsp" option to the OSS driver:
	      ogg123 -d oss -o dsp:/dev/mydsp

       Use the ESD driver
	      ogg123 -d esd test.ogg

       Use the WAV driver with the output file, "test.wav":
	      ogg123 -d wav -f test.wav test.ogg

       Listen to a file while you write it to a WAV file:
	      ogg123 -d oss -d wav -f test.wav test.ogg

       Note that options apply to the device declared to the left:
	      ogg123 -d oss -o dsp:/dev/mydsp -d raw -f test2.raw -o byteorder:big test.ogg

       Stress test your harddrive:
	      ogg123 -d oss -d wav -f 1.wav -d wav -f 2.wav -d wav -f 3.wav -d wav  -f	4.wav  -d
	      wav -f 5.wav test.ogg

       Create an echo effect with esd and a slow computer:
	      ogg123 -d esd -d esd test.ogg

INTERRUPT
       You  can  abort ogg123 at any time by pressing Ctrl-C.  If you are playing multiple files,
       this will stop the current file and begin playing the next one.	 If  you  want	to  abort
       playing	immediately  instead  of skipping to the next file, press Ctrl-C within the first
       second of the playback of a new file.

       Note that the result of pressing Ctrl-C might not be audible  immediately,  due	to  audio
       data buffering in the audio device.  This delay is system dependent, but it is usually not
       more than one or two seconds.

FILES
       /etc/libao.conf
	      Can be used to set the default output device for all libao programs.

       ~/.libao
	      Per-user config file to override the system wide output device settings.

BUGS
       Piped WAV files may cause strange behavior in other programs.  This is because  WAV  files
       store  the data length in the header.  However, the output driver does not know the length
       when it writes the header, and there is no value that means "length unknown".  Use the raw
       or au output driver if you need to use ogg123 in a pipe.

AUTHORS
       Program Authors:
	      Kenneth Arnold <kcarnold-xiph@arnoldnet.net>
	      Stan Seibert <volsung@xiph.org>

       Manpage Author:
	      Stan Seibert <volsung@xiph.org>

SEE ALSO
       libao.conf(5), oggenc(1), vorbiscomment(1), ogginfo(1)

Xiph.Org Foundation			  2010 March 24 				ogg123(1)
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