Beyond Linux From Scratch - Version 6.2.0

Chapter 38. Multimedia Libraries and Drivers

ALSA Plugins-1.0.13

Introduction to ALSA Plugins

The ALSA Plugins package contains plugins for various audio libraries and sound servers.

[Note]

Note

The ALSA Plugins package has not been tested by the BLFS editors.

Package Information

ALSA Plugins Dependencies

Required

pkg-config-0.20 and ALSA Library-1.0.13

Optional

FFmpeg-0.4.9-pre1, JACK, PulseAudio, Secret Rabbit Code (a.k.a. libsamplerate)

User Notes: http://wiki.linuxfromscratch.org/blfs/wiki/alsa-plugins

Installation of ALSA Plugins

Install ALSA Plugins by running the following commands: 

./configure &&
make

This package does not come with a test suite.

Now, as the root user: 

make install &&
install -v -m755 -d /usr/share/doc/alsa-plugins-1.0.13 &&
install -v -m644 doc/{README*,*.txt} \
                    /usr/share/doc/alsa-plugins-1.0.13

Contents

Installed Programs: None
Installed Libraries: Numerous libasound_module_<module>.so modules including ctl_oss, pcm_oss, pcm_upmix, pcm_vdownmix and optionally ctl_pulse, pcm_pulse, pcm_a52, pcm_jack and rate_samplerate*
Installed Directory: /usr/share/doc/alsa-plugins-1.0.13

Short Descriptions

libasound_module_pcm_oss.so

Allows native ALSA applications to run on OSS.

libasound_module_pcm_upmix.so

Allows upmixing sound to 4 or 6 channels.

libasound_module_pcm_vdownmix.so

Allows downmixing sound from 4-6 channels to 2 channel stereo output.

libasound_module_pcm_jack.so

Allows native ALSA applications to work with jackd.

libasound_module_pcm_pulse.so

Allows native ALSA applications to access a PulseAudio sound daemon.

libasound_module_pcm_a52.so

Converts S16 linear sound format to A52 compressed format and sends it to an SPDIF output.

libasound_module_rate_samplerate.so

Provides an external rate converter through libsamplerate.

Last updated on 2007-01-18 13:38:19 -0600