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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 command  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 prebuffer 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.

       -h, --help
              Show command help.

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

       -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 supported 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    "surround71",
                     "surround51",  "surround40"  or  "default"  automatically
                     depending  on  number  of  output  channels.   For   more
                     information,                                          see
                     http://alsa.opensrc.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 supports 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
              format 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)



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