Release notes for
GStreamer Base Plugins 1.5.2
The GStreamer team is pleased to announce the second release of the unstable
1.5 release series. The 1.5 release series is adding new features on top of
the 1.0, 1.2 and 1.4 series and is part of the API and ABI-stable 1.x release
series of the GStreamer multimedia framework. The unstable 1.5 release series
will lead to the stable 1.6 release series in the next weeks, and newly added
API can still change until that point.
Binaries for Android, iOS, Mac OS X and Windows will be provided separately
during the unstable 1.5 release series.
This module contains a set of reference plugins, base classes for other
plugins, and helper libraries. It also includes essential elements such
as audio and video format converters, and higher-level components like playbin,
decodebin, encodebin, and discoverer.
This module is kept up-to-date together with the core developments. Element
writers should look at the elements in this module as a reference for
This module contains elements for, among others:
Other modules containing plugins are:
- device plugins: x(v)imagesink, alsa, v4lsrc, cdparanoia
- containers: ogg
- codecs: vorbis, theora
- text: textoverlay, subparse
- sources: audiotestsrc, videotestsrc, giosrc
- network: tcp
- typefind functions
- audio processing: audioconvert, adder, audiorate, audioresample, volume
- visualisation: libvisual
- video processing: videoconvert, videoscale
- high-level components: playbin, uridecodebin, decodebin, encodebin, discoverer
- libraries: app, audio, fft, pbutils, riff, rtp, rtsp, sdp, tag, video
- contains a set of well-supported plugins under our preferred license
- contains a set of well-supported plugins, but might pose problems for
- contains a set of less supported plugins that haven't passed the
rigorous quality testing we expect, or are still missing documentation
and/or unit tests
- contains a set of codecs plugins based on libav (formerly gst-ffmpeg)
Bugs fixed in this release
: audiobasesink: new slave-method for custom clock slaving algorithms
: playsink: cannot enable text flag while playing
: x11: X and XV imagesink don't need to cache the pools
: textoverlay: gltestsrc ! textoverlay ! fakesink does not work
: videoscaler: invalid memory access when downscaling in some cases
: basetextoverlay: add properties for toggling drawing text shadow and outline
: playbin: seeking halts playback with gst-play-1.0 gapless
: xvimagesink, ximagesink: set WM_CLASS for the window
: gst-play: sort directory entries
: playsink: fix the channel of color balance element
: playbin: assrender is not used anymore when available
: typefind: UTF-8 MSS manifest parsing support
: discoverer test racy
: oggdemux: crash with validate.http.media_check.vorbis_theora_1_ogg
: playbin: current-suburi does not return correct status when an invalid SUBURI is passed
: audioringbuffer: Fix alaw/mulaw channel positions
: tools: gst-play: fix seeking issue
You can find source releases of gst-plugins-base in the
gst-plugins-base download directory.
The git repository and details how to clone it can be found at
The project's website is https://gstreamer.freedesktop.org.
Support and Bugs
We use GNOME's bugzilla for
bug reports and feature requests.
Please submit patches via bugzilla as well.
For help and support, please subscribe to and send questions to the
gstreamer-devel mailing list (see below for details).
There is also a #gstreamer IRC channel on the Freenode IRC network.
Git is hosted on git.freedesktop.org. You can
browse the gst-plugins-base repository.
All code is in Git and can be checked out from there.
Interested developers of the core library, plugins, and applications should
subscribe to the gstreamer-devel list.
Contributors to this release
- Arun Raghavan
- Brijesh Singh
- Carlos Rafael Giani
- Edward Hervey
- Guillaume Desmottes
- Jan Schmidt
- Lazar Claudiu
- Luis de Bethencourt
- Lyon Wang
- Matej Knopp
- Nicolas Dufresne
- Philippe Normand
- Sebastian Dröge
- Song Bing
- Sreerenj Balachandran
- Stefan Sauer
- Thibault Saunier
- Tim-Philipp Müller
- Vineeth T M
- Vineeth TM
- Vivia Nikolaidou
- Víctor Manuel Jáquez Leal
- Wim Taymans
- Xavier Claessens