BPLAY(1) General Commands Manual BPLAY(1)NAME
bplay, brec - buffered sound recording/playing
SYNOPSIS
bplay [-d device] [-B buffersize] [-S] [-s speed] [-b bits] [[-t secs] | [-T samples]] [[-j secs] | [-J samples]] [-D level] [file]
brec [-d device] [-B buffersize] [-S] [-s speed] [-b bits] [[-t secs] | [-T samples]] [-r|-v|-w] [-D level] [file]
DESCRIPTION
bplay copies data from the named sound file (or the standard input if no filename is given) to the audio device.
brec copies data from the audio device to the named sound file (or the standard output if no filename is present).
These programs are intended to be drop-in replacements for the vplay and vrec programs by Michael Beck (beck@informatik.hu-berlin.de).
OPTIONS
-B buffersize
Use the supplied audio buffer size instead of the default.
-d device
Use the supplied audio device instead of the default.
-S Sound file is stereo.
-s speed
The speed in samples per second.
-b bits
The number of bits per sample. Only 8 and 16 are currently supported.
-t secs
The number of seconds to be played or recorded.
-T samples
The number of samples to be played or recorded.
-j secs
When playing, the number of seconds to skip at the beginning of the input before playing.
-J samples
When playing, the number of samples to skip at the beginning of the input before playing.
-r When recording, write raw sound file.
-v When recording, write Creative Labs VOC sound file.
-w When recording write Microsoft Wave sound file. Note that the WAVE file format is limited to 4GiB filesize. Recording more data is
possible, but the length info won't be consistent.
-q Quiet mode. No messages are displayed.
-D level
Print debug information to stderr. Debug level ranges from 0 to 2, where 0 is no debug information.
FILES
/dev/dsp The audio device.
BUGS
The -t, -T, -j and -J options may do strange things when playing VOC files.
There are limitations on recording VOC format files - specifically VOC files are only recorded in the 1.20 version of the format, which
some player programs may choke on. There is also currently a limit of around 16M on the size of a VOC file which will be recorded. This is
probably not a problem since I don't think anybody really uses VOC files anymore.
This program prefers to run setuid root. This is because it wants to use setpriority() to run at the highest possible priority, and also
locks down the buffers it uses to avoid them being swapped out.
AUTHOR
David Monro (davidm@amberdata.demon.co.uk or davidm@cs.usyd.edu.au)
The option parsing code was originally taken from vplay to maintain compatibility.
20 September 1999 BPLAY(1)
Check Out this Related Man Page
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 command line. By default, ogg123 writes to the stan-
dard 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 prebuffer 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 inter-
esting fractional speeds.
-z, --shuffle
Play files in pseudo-random order.
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.
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 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.
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 concate-
nated into the same WAV file. WAV files cannot be written to unseekable files, such as standard out. Use the AU format 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)