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RedHat 9 (Linux i386) - man page for ogg123 (redhat section 1)

ogg123(1)				   Vorbis Tools 				ogg123(1)

NAME
       ogg123 - plays Ogg Vorbis files

SYNOPSIS
       ogg123 [ -vqzVh ] [ -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.

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

       -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

       -o option:value, --device-option option:value
	      Assigns  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.

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

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.

       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.
	      Options:

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

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

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

       alsa   Advanced Linux Sound Architecture.
	      Options:

		     card   Sound card number.	(Default = 0)

		     dev    Device number on the sound card.  (Default = 0)

		     buf_size
			    Override the default buffer size (in bytes).

       irix   IRIX audio driver.

       arts   aRts Sound Daemon.

       esd    Enlightened Sound Daemon.
	      Options:

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

       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.

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

		     byteorder
			    Choose  big  endian, little endian, or native byte order.  (Default =
			    "native")

       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.

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.

SEE ALSO
       libao.conf(5)

AUTHORS
       Program Authors:
	      Kenneth Arnold <kcarnold@yahoo.com>
	      Stan Seibert <indigo@aztec.asu.edu>

       Manpage Author:
	      Stan Seibert <indigo@aztec.asu.edu>

					  July 22, 2001 				ogg123(1)


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