Beyond Linux® From Scratch (systemd Edition) - Version 11.0

Chapter 42. Multimedia Libraries and Drivers

gst-plugins-base-1.18.4

Introduction to GStreamer Base Plug-ins

The GStreamer Base Plug-ins is a well-groomed and well-maintained collection of GStreamer plug-ins and elements, spanning the range of possible types of elements one would want to write for GStreamer. You will need at least one of Good, Bad, Ugly or Libav plugins for GStreamer applications to function properly.

This package is known to build and work properly using an LFS-11.0 platform.

Package Information

GStreamer Base Plug-ins Dependencies

Required

gstreamer-1.18.4

Recommended

alsa-lib-1.2.5.1, CDParanoia-III-10.2 (for building the CDDA plugin), gobject-introspection-1.68.0, ISO Codes-4.7.0, libgudev-237, libogg-1.3.5, libtheora-1.1.1, libvorbis-1.3.7, Mesa-21.2.1, wayland-protocols-1.21, and Xorg Libraries

Optional

graphene-1.10.6, GTK+-3.24.30 (for examples), Opus-1.3.1, Qt-5.15.2 (for examples), SDL-1.2.15, SDL2-2.0.16, Valgrind-3.17.0, hotdoc, libvisual, Orc, and Tremor

User Notes: https://wiki.linuxfromscratch.org/blfs/wiki/gst10-plugins-base

Installation of GStreamer Base Plug-ins

[Note]

Note

If you do not have an Objective-C compiler installed, the build system for this package will emit a warning about a failed sanity check. This is harmless, and it is safe to continue.

[Note]

Note

If you need a plugin for a given dependency, that dependency needs to be installed before this package.

First fix a build failure caused by a change in meson-0.58.0: 

sed -i 's|implicit_include_directories : false||' gst-libs/gst/gl/meson.build

Install GStreamer Base Plug-ins by running the following commands: 

mkdir build &&
cd    build &&

meson  --prefix=/usr       \
       --buildtype=release \
       -Dpackage-origin=https://www.linuxfromscratch.org/blfs/view/svn/ \
       -Dpackage-name="GStreamer 1.18.4 BLFS"    \
       --wrap-mode=nodownload &&
ninja

To test the results, issue: ninja test. The tests require an X terminal running, or all of the GL tests will fail. Five tests may produce timeouts on some systems depending on their graphics hardware and speed.

[Note]

Note

When installing, the build process does some additional linking. If you do not have Xorg in /usr, the LIBRARY_PATH variable needs to be defined for the root user. If using sudo to assume root, use the -E option to pass your current environment variables for the install process.

Now, as the root user: 

ninja install

Command Explanations

--buildtype=release: Specify a buildtype suitable for stable releases of the package, as the default may produce unoptimized binaries.

--wrap-mode=nodownload: This switch prevents meson from downloading any optional dependency which is not installed on the system.

Contents

Installed Programs: gst-device-monitor-1.0, gst-discoverer-1.0, and gst-play-1.0
Installed Libraries: libgstallocators-1.0.so, libgstapp-1.0.so, libgstaudio-1.0.so, libgstfft-1.0.so, libgstgl-1.0.so, libgstpbutils-1.0.so, libgstriff-1.0.so, libgstrtp-1.0.so, libgstrtsp-1.0.so, libgstsdp-1.0.so, libgsttag-1.0.so, libgstvideo-1.0.so and several plugins under /usr/lib/gstreamer-1.0
Installed Directories: /usr/include/gstreamer-1.0/gst/{allocators,app,audio,fft,gl,pbutils}, /usr/include/gstreamer-1.0/gst/{riff,rtp,rtsp,sdp,tag,video}, and /usr/share/gst-plugins-base

Short Descriptions

gst-device-monitor-1.0

is a command line tool that can be used to test GStreamer's device monitoring functionality

gst-discoverer-1.0

is a tool that can be used to print basic metadata and stream information about a media file

gst-play-1.0

is a command line tool that can be used to test basic playback using the playbin element

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