This is the command adplay that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
adplay - AdPlay/UNIX console-based OPL2 audio player
SYNOPSIS
adplay [OPTION]... FILE...
DESCRIPTION
AdPlay/UNIX is AdPlug's UNIX console-based frontend. It tries to play back all given
FILEs, using one of many available output mechanisms.
AdPlay/UNIX plays endlessly, if only one file is given. With multiple files, it plays them
in a sequence and exits after the last file. The same can also be accomplished with only
one file, by using the -o option. When using the disk writer, -o is implied.
EXIT STATUS
adplay returns 0 on successful operation. 1 is returned otherwise.
OUTPUT MECHANISMS
AdPlay/UNIX can play back using many different output mechanisms, which can be selected
with the -O argument. The availability of a method depends on compile-time settings.
Available methods are printed out after the help text, displayed with --help.
Next is a brief description of all output mechanisms, following their abbreviations:
oss -- Open Sound System (OSS) driver
This output method is available on most Linux and other UNIX systems.
null -- Total silence
Discards anything sent to it. It can be useful for testing purposes.
disk -- Disk writer
Writes its output to a file in Microsoft RIFF WAVE format.
esound -- EsounD output
Creates a socket connection to an EsounD server and streams the audio to it.
qsa -- QNX Sound Architecture (QSA) driver
Uses the QNX system's standard output method.
sdl -- Simple Directmedia Layer (SDL) driver
Uses the SDL library for sound output. The library has a broader platform support than any
of the other output methods. Thus, it could be useful on some exotic systems.
alsa -- Advanced Linux Sound Architecture (ALSA) driver
Uses the standard output method on newer Linux systems.
ao -- libao driver
Libao is a cross-platform audio library with very broad platform support. Might be useful
on systems, where SDL is not available, and generally to do tricky things.
OPTIONS
The order of the option commandline parameters is not important, except for the -d option,
which always has to be specified after an -O option.
Output selection:
-O, --output=OUTPUT
Specify output mechanism. Available mechanisms depend on compilation settings and
are printed on --help output. A reasonable default is automatically selected, based
on the availability of the output mechanisms.
OSS driver (oss) specific:
-d --device=FILE
Set sound output device file to FILE. This is /dev/dsp by default.
Disk writer (disk) specific:
-d --device=FILE
Write sound data to FILE. The data is written in Microsoft RIFF WAVE format
(little-endian). You can specify a single '-' to write to stdout instead. This
option has no default and must be specified when the disk writer is to be used!
EsounD output (esound) specific:
-d --device=URL
Connect to "hostname:port" combination in URL. Example: "myhost.sound.net:1234".
The default is "localhost:16001".
ALSA driver (alsa) specific:
-d --device=DEVICE
Set sound output device to DEVICE. This is plughw:0,0 by default.
Playback quality:
-8, --8bit
Use only 8-bit samples for playback.
--16bit
Use only 16-bit samples for playback (default).
-f, --freq=FREQ
Set playback frequency to FREQ, in Hz. This is 44100Hz by default.
--stereo
Use only stereo samples for playback. The sound stream is just doubled, no further
audio processing is done. This option is pretty useless unless you have very
obscure audio hardware that only accepts stereo streams. AdPlug only generates mono
streams because the OPL2 only generates mono sound.
--mono Use only mono samples for playback (default if AdPlug <= 2.1.)
--surround
Use only stereo samples for playback, but generate them from two mono OPL2 chips.
One OPL2 chip is very slightly transposed to produce a pleasant harmonic/surround
sound effect (default if AdPlug >= 2.2.)
-b --buffer=SIZE
Set sound buffer size to SIZE samples. If you notice sound skipping with the
default setting, try a greater buffer size. Note that this is measured in samples,
not bytes! This is 2048 samples by default. Only the OSS, SDL, ALSA and libao
output drivers support this option.
Informative output:
-i --instruments
Display instrument names (if available).
-r --realtime
Display realtime playback information, while playing. This will display a one-line
status bar, containing essential playback information.
-m --message
Display the song message (if available).
Playback:
-s --subsong=N
Play subsong number N, instead of the default subsong of the file. Only useful for
file formats that support multiple subsongs.
-o --once
Play just once, don't loop. This will exit adplay after the song ended. This is the
default when multiple FILEs are given.
Miscellaneous:
-D, --database=FILE
Additionally use database file FILE. This option may be specified multiple times.
Each database file is additionally merged with the others, creating one large
database on the fly.
-q, --quiet
Be more quiet.
-v, --verbose
Be more verbose.
-h, --help
Show summary of options.
-V, --version
Show version of program.
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