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This is the software for the Open Source Audio Library Project. This is a beta
release. It is hoped that this program will inspire others to join the Open
Source Audio Library Project to build a first class set of C++ classes and
libraries to handle all the fundamentals of a sound application.  

Any questions should be directed to:

Darrick Servis
[e-mail]

OSALP was originally designed and created by Bruce Forsberg.

REQUIREMENTS

Currently this library is known to run on:
  Linux on Intel
  Linux on Sparc
  FreeBSD
  Solaris Sparc
Reports of other successes are welcome.

This version requires the following software:

Motif or Lesstif (To build the sample applications)
  -- Lesstif available from http://www.lesstif.org
  -- Motif available from http://www.opengroup.org/openmotif
C++ Compiler with STL (Standard Template Library)

Different file formats require the following

MPEG player (mpg123 version 0.59r or later, for the mpg123 module)
  -- Available from http://www.mpg123.de
MPEG encoder (lame version 3.51 or later, to record mp3's)
  -- Available from http://www.sulaco.org/mp3
MPEG encoder (blade version 0.91 or later, to record mp3's)
  -- Available from  http://bladeenc.mp3.no

COMPILE & INSTALLATION

To compile perform the following at this directory:
./configure
make
make install (as root)

For SOLARIS:
If you use gcc and have installed it in /usr/local then you
might need to set the following:
setenv LD_LIBRARY_PATH /usr/local/lib
setenv LD /usr/local/bin/g++

For FreeBSD
For the sample applications you will need to remove the -ldl line
from the Makefiles.

This version currently only supports Linux, FreeBSD, and Solaris Sparc.

Reading and writing to audio files and devices is done via stand-alone 
modules and you can choose which ones to install.  The configure script
by default will try to compile and install as many as are supported on
your machine.

-- Audio Devices ---
OSS Device (Linux and FreeBSD)  
Solaris Sparc sound device	

-- Formats Based on the Audiofile Library --
MS Wave format
AIFF
AIFF-C
AU

NOTE: the audiofile library is included as source in this distribution.

-- Formats readable by the soundtools library module <aflibSoxFile.so>-- 

SGI/Apple AIFF Sound File
a-law byte raw
ALSA /dev/snd/pcmXX Device
SPARC .au with header
Sox Module Sound File Detection
CDDA Audio
Cont. Varible Slope Delta
Cont. Varible Solot Delta
Text Data Samples
GSM 06.10
Mac FSSD/HCOM
Inverse a-law byte raw
Inverse u-law byte raw
Amiga MAUD
Amiga 8SVX
Sound Blaster .VOC
Microsoft RIFF
Pison .wve
Yamaha TX16W and SY99 Sound Files
OSS /dev/dsp Device
Raw File.  Must specify rate, channels and byte type.
Raw Signed Bytes
Raw Signed Longs
IRCAM Sound File
SampleVision Sound File
Sndtool Sound File
NIST Sphere Sound File
Sun /dev/audio Device

NOTE: To compile the aflibSoxFile module.

Download sox-12.17.3 or higher.

http://sourceforge.net/projects/sox

untar sox source.

configure and compile sox (you don't need to install it).

cd to the root of the osalp source.

./configure --with-libst=<path to sox source>
make 
make install

compile and install the aflibSoxFile module.

-- Misc. Formats --

MPEG reader (one module based on mpg123 the other on Jung woo-jae's MPEG/WAVE library).
MPEG writer (one module based on lame the other on blade).
OGG-VORBIS (uses ogg-vorbis library).

NOTE: The aflibLameFile uses the Lame encoder to write mp3's. The
aflibBladeFile uses the Blade encoder to write mp3's. If you use either of the
mp3 formats then you will need to make sure that your PATH environment variable
is set to where these applications are located. The mpg and mpg123 modules read
mp3's.

SAMPLE APPLICATIONS

There are three sample applications. They are in the player, editor, and osalp
directories. Perform a "make" in these directories in order to run these. Then
execute the s script to run the program.


There are many combinations with the sample application that don't work right. These
will be fixed in due time.

LICENSE

Each source file should be examined to determine what license applies.
All the code under formatlib and aflib is LGPL (see COPYING.LIB in this
directory) except the FFT class which is in the public domain.

The source code in app, editor, and player is in the public domain
since they serve as examples of how to use this library.