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                           SoX Installation
                           ----------------

This distribution will compile and run on most commonly-used systems.
It was originally developed on a UNIX/386 machine running AT&T V3.2 but
it's currently developed under Linux.  With a little work it should work
with most POSIX systems.


Compiling using a POSIX system
------------------------------

[Only if you're compiling the CVS sources, first make sure you have
the GNU autotools installed (automake >= 1.9, autoconf >= 2.59) and
run

	autoreconf -i
]

The preferred method for compiling SoX is to use the "configure"
scripts compatible with most UNIX systems that contain "/bin/sh" or
equivalent (it can also be used on Windows with Cygwin).

To compile and install SoX on these platforms run the following
commands:

	./configure
	make
	make install

Optionally, to test the executable:

	make installcheck

(At the moment you can't run "make check", because when built
modularly SoX can't use its format and effect modules until
it is installed.)

There are several optional parameters that you may pass to the
configure script to customize SoX for your applications. Run

	./configure --help

for a complete list of options.  In addition, there are several
optional make targets that can be used (run as "make target").
They include: pdf, html, install-pdf, install-html


Compiling using Microsoft's Visual C
------------------------------------

o Install cmake (http://www.cmake.org/HTML/Download.html)
o Install any optional libraries to use with SoX
o Unpack the SoX sources (...tar.gz) to say c:\sox
o Type cd c:\sox
o Type cmake .

This should generate project build files for use with Visual C.


Optional Compile Features
-------------------------

SoX can make use of some external libraries to obtain support
for additional file formats and/or effects.  Some optional libraries
may require pkg-config to be installed to be properly detected.

SoX can detect and use the following libraries:

  Ogg Vorbis - http://www.vorbis.com

  Lame MP3 encoder - http://lame.sourceforge.net

  MAD MP3 decoder - http://www.underbit.com/products/mad

  FLAC - http://flac.sourceforge.net

  AMR-NB/WB - http://www.penguin.cz/~utx/amr

  libsndfile - http://www.mega-nerd.com/libsndfile

  ffmpeg - http://ffmpeg.mplayerhq.hu

  libao - http://xiph.org/ao

  Secret Rabbit Code - http://www.mega-nerd.com/SRC

  LADSPA - http://www.ladspa.org

  WavPack - http://www.wavpack.com

  PNG - http://www.libpng.org/pub/png
  

Configuring Optional Compile Features (POSIX system)
----------------------------------------------------

If any libraries are installed in a non-standard locations in your
system then you can use the CPPFLAGS and LDFLAGS variables to allow
configure to find them. For example:

./configure CPPFLAGS="-I/home/sox/include -I/usr/local/multimedia/include" LDFLAGS="-L/home/sox/lib -L/usr/local/multimedia/lib"

If you are compiling under cygwin and would like to create a static
sox.exe using mingw libraries then you can use the following:

./configure CC="gcc -mno-cygwin" --disable-shared

The next cygwin example is used to build the cygwin version of SoX that is
distributed by the project.  It tells gcc to prefer static libraries
over dynamic ones and to use some static libraries compiled manually
and installed under /usr/local.

./configure LDFLAGS="-static -L/usr/local/lib" CPPFLAGS=-I/usr/local/include

You can run "cygcheck.exe src/sox.exe" after compiling to see which
dynamic DLL's will be required to be distributed with the cygwin
executable.

Newer versions of SoX include support for loading libraries for
file formats at runtime.  If you experience problems with this
then you may wish to revert back to the older compile-time support.
To stick with old behavior use:

./configure --without-libltdl


Testing
-------

NOTE: If SoX was compiled with libltdl support then it will not
run correctly from within the source file directory and must be
first installed.  Once install, it can be ran from the source directory.
Either install before running the following tests or configure 
with --without-libltdl temporarily.

After successfully compiling SoX, try translating a sound file. You
should also playback the new file to make sure it sounds like the original.  
You can either use an external program or SoX itself if compiled with 
playback support.  

To work with widest range of playback programs, you should chose a format 
that is native to your OS; such as .wav for Windows or .aif for MacOS.  
In the following example, we'll use .xxx as the extension of your preferred
format.

        cd src
	./sox monkey.wav monkey.xxx

You may have to give the word size and rate for the file. For example,
this command will make a sound file with a data rate of 12,500 samples
per second and the data formatted as 2-byte (16-bit) signed integers:

	./sox monkey.voc -r 12500 -2 -s monkey.xxx 

If playback support was compiled in then it can be played like this:

        ./play monkey.xxx

If monkey.xxx plays properly (it's a very short monkey screech),
congratulations! SoX works.

If you're adding new features to SoX or want to perform advance tests
on a new platform then you can use the scripts "tests.sh" and
"testall.sh" to stress SoX.


Appendix: How To Compile SoX with MP3 Support on Win32
------------------------------------------------------

The following text, untested by the SoX team, was originally written by `Enter
AG' and released to the public domain.

= How To Compile Sox with MP3 Support =

== Requirements ==

The following requirements have been tested. Nevertheless, other versions may
work as well.

o Microsoft Windows (Win32, Win2k, Win2003).

o CMake (Cross Platform Make) version 2.4
  available on [http://www.cmake.org] 

o Microsoft Visual Stuio 2008 (also earlier Versions)

o SoX source distribution version 14.0.1
  available on [http://sox.sourceforge.net] 

o LAME source distribution version 3.97
  available on [http://lame.sourceforge.net] 

o MAD source distribution version 0.15.1b
  available on [http://www.underbit.com/products/mad/] 

== Compilation Procedure ==

=== Compilation of the LAME libraries ===

o Extract the LAME source distribution and open it as a Visual Studio project
  using the VS file in the top directory.

o Set the ''libmp3lame'' "Configuration Properties -> C/C++ -> Code Generation
  -> Runtime Library" to Multi-threaded DLL (/MD).

o Do the same for ''mpglib'' .

o Build ''libmp3lame'' and ''mpglib.''

o Rename the static library libmp3lame.lib to mp3lame.lib.

o Create a folder somewhere with an arbitrary name. We used the name
  "lameforsox". Create in this folder a new folder called "lame" and copy the
  lame.h header file into it. Copy mp3lame.lib and mpglib.lib in the lameforsox
  folder. Now you should have prepared the lame components for further use like
  this:
	...\[somewhere]\lameforsox\
		mp3lame.lib
		mpglib.lib
			\lame\
				lame.h 

=== Compilation of the MAD library ===

o Compile ''libmad'' with the same "Runtime Library" settings as described for
  LAME (previous section Compilation of the LAME libraries).

o Rename the static library libmad.lib to mad.lib.

=== Compilation of SoX with the LAME and MAD libraries ===

o Open Visual Studio and add in "Tools -> Options -> Projects and Solutions ->
  VC++ Directories" in the "Include Directories" collection the folder
  containing the MAD header file mad.h and the folder containing lame/lame.h
  (...\[somewhere]\lameforsox).  Add in the "Library files" collection the
  folder containing mad.lib and the folder containing the lame libraries
  mp3lame.lib and mpglib.lib (...\[somewhere]\lameforsox).

o Edit the CMakeLists.txt in the SoX top directory:
  Add
  set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} mpglib)
  after some blank lines beneath the statement
  if(NEED_LIBM)
  set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} -lm)
  endif(NEED_LIBM)

o Open the windows command line console and change into the SoX top directory.

o Execute cmake like this:
  cmake.exe ./ -G "Visual Studio 9 2008"

o If the Visual Studio settings are done as described above the following cmake
  output should appear:
  ...
  include files HAVE_MAD_H1 – found
  mad_stream_buffer in madmad_stream_buffer in mad – found
  ...
  include files HAVE_LAME_LAME_H1 – found
  lame_init in mp3lamelame_init in mp3lame - found
  ...

o If not check CMakeFiles\CMakeError.log.

o Open Visual Studio and open the SoX solution file in the SoX top directory
  (sox.sln).

o Rebuild "ALL_BUILD" and confirm all "File Modification Detected" dialogs
  with "Reload".

o Add in the libsox "Preprocessor Definitions" (right click on libsox ->
  Properties -> Configuration Properties -> C/C++ -> Preprocessor) HAVE_STRING_H
  before the first line.  Set the "Runtime Library" to Multi-threaded DLL (/MD)
  as described above.

o Do the same for sox and add in the "Additional Dependencies" (Linker -> Input)
  after the last line mpglib.lib.

o Now build libsox

o and then sox.

o Sox now prompts "mp3, mp2" in the usage output in the section "SUPPORTED FILE
  FORMATS".