Beyond Linux® From Scratch (System V Edition) - Version r12.4-1388

Chapter 42. Multimedia Libraries and Drivers

SoundTouch-2.4.0

Introduction to SoundTouch

The SoundTouch package contains an open-source audio processing library that allows changing the sound tempo, pitch and playback rate parameters independently from each other.

[Note]

Note

This version of BLFS may not build or run some packages properly if LFS or dependencies have been updated since the most recent stable version of the System V books.

Package Information

Installation of SoundTouch

[Note]

Note

The tarball expands to 'soundtouch' instead of the expected 'soundtouch-2.4.0'

Install SoundTouch by running the following commands:

[Caution]

Caution

The bootstrap command below fails if the ACLOCAL environment variable is set as specified in Xorg-7. If it is used, ACLOCAL needs to be unset for this package and then reset for other packages. 

./bootstrap &&
./configure --prefix=/usr \
            --docdir=/usr/share/doc/soundtouch-2.4.0 &&
make

This package does not come with a test suite.

Now, as the root user: 

make install

Command Explanations

--enable-openmp: This switch adds support for running the algorithms in parallel across several processor cores using OpenMP implementation provided by GCC.

Contents

Installed Program: soundstretch
Installed Library: libSoundTouch.so
Installed Directories: /usr/include/soundtouch and /usr/share/doc/soundtouch-2.4.0

Short Descriptions

soundstretch

is a program for processing WAV audio files by modifying sound tempo, pitch and playback rate properties independently from each other

libSoundTouch.so

contains SoundTouch API functions