Zirconium Linux From Scratch - Version r12.4-45-systemd

Chapter 13. Preparing FFMpeg and Support Libraries

Speex-1.2.1 and Speexdsp-1.2.1

The Speex project is an attempt to create a free software speech codec, unencumbered by patent restrictions.

Speex-1.2.1

Introduction to Speex

Speex is an audio compression format designed specifically for speech. It is well-adapted to internet applications and provides useful features that are not present in most other CODECs.

This package is known to build and work properly using an LFS 12.4 platform.

Package Information

  • Download (HTTP): https://downloads.xiph.org/releases/speex/speex-1.2.1.tar.gz

  • Download SHA256 Sum: 4b44d4f2b38a370a2d98a78329fefc56a0cf93d1c1be70029217baae6628feea

  • Download MD5 sum: fe7bf610883ff202092b92c72fe0fe3e

  • Download size: 3,381.3 KB

  • Estimated disk space required: 5,839.0 KB

  • Estimated build time: less than 0.1 SBU

Speex Dependencies

Required

the section called “libogg-1.3.6”

Installation of Speex

Prepare Speex by running the following commands: 

./configure --prefix=/usr    \
            --disable-static \
            --docdir=/usr/share/doc/speex-1.2.1
make

This package does not come with a test suite.

Now Install, As the root user: 

make install

Contents

Installed Programs: speexenc and speexdec
Installed Libraries: libspeex.so and libspeexdsp.so
Installed Directories: /usr/include/speex and /usr/share/doc/speex-1.2.1

Short Descriptions

speexdec

decodes a Speex file and produces a WAV or raw file

speexenc

encodes a WAV or raw file using Speex

libspeex.so

provides functions for the audio encoding/decoding programs

libspeexdsp.so

is a speech processing library that goes along with the Speex codec

Speexdsp-1.2.1

Introduction to Speexdsp

Speexdsp is an audio compression format designed specifically for speech. It is well-adapted to internet applications and provides useful features that are not present in most other CODECs.

This package is known to build and work properly using an LFS 12.4 platform.

Additional Downloads

  • Download (HTTP): https://downloads.xiph.org/releases/speex/speexdsp-1.2.1.tar.gz

  • Download SHA256 Sum: 8c777343e4a6399569c72abc38a95b24db56882c83dbdb6c6424a5f4aeb54d3d

  • Download MD5 sum: e6eb5ddef743a362c8018f260b91dca5

  • Download size: 2,733.4 KB

  • Estimated disk space required: 4,162.4 KB

  • Estimated build time: less than 0.1 SBU

Speex Dependencies

Required

the section called “libogg-1.3.6”, the section called “Speex-1.2.1”

Installation of Speexdsp

./configure --prefix=/usr    \
            --disable-static \
            --docdir=/usr/share/doc/speexdsp-1.2.1
make

Now Install, as the root user: 

make install

Contents

See the contents in the previous... the section called “Speex-1.2.1content”