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Release notes for GStreamer Base Plugins 1.1.2

The GStreamer team is proud to announce a new bug-fix release in the 1.x stable series of the core of the GStreamer streaming media framework.

The 1.x series is a stable series targeted at end users. It is not API or ABI compatible with the stable 0.10.x series. It is, however, parallel installable with the 0.10.x series and will not affect an existing 0.10.x installation.

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 their development. This module contains elements for, among others:

  • 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
Other modules containing plugins are:
contains a set of well-supported plugins under our preferred license
contains a set of well-supported plugins, but might pose problems for distributors
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)

Features of this release

    Bugs fixed in this release

    • 696300 : H264 video is playing too fast because of invalid PTS:
    • 698562 : rtpbuffer: broken language bindings for gst_rtp_buffer_get_payload
    • 700967 : playbin: sink messages are not received in the bus
    • 701798 : rtspsrc: Regression with connections to certain live stream
    • 701924 : tests: add playbin test for autoplugging of decoder-sink combination based on capsfeatures
    • 701943 : playbin: unit tests fail
    • 701997 : [regression] playbin: loses audio clock and hangs when switching songs after about-to-finish
    • 702195 : playbin: Emit {audio,text,video}-changed signals when pads are removed
    • 702215 : pbutils: descriptions: Allow smart codec tag handling
    • 702465 : playsink: Fix the block diagram of deinterlace bin.
    • 702467 : audiobasesrc: missing calls to gst_buffer_unmap
    • 702545 : tags: xmp: adding tags is very slow
    • 702652 : rtspconnection: tunneled connections do not work
    • 702840 : queue2 does not work with use-buffering=true
    • 703088 : rtspsrc parse error race condition
    • 703119 : rtpbasepayload leaks the segment event
    • 703196 : videoencoder: Send all pending events with type < CAPS before sending caps.
    • 703256 : typefind: Fix low probability typefinding for video/mpeg on small amount of data
    • 703477 : audioresample: disable NEON code path for 16-bit integer
    • 703684 : is out of date


    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

    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).

    Find us on IRC at #gstreamer.


    Git is hosted on 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

    • Branko Subasic
    • Brendan Long
    • Carlos Rafael Giani
    • Edward Hervey
    • Jonas Holmberg
    • Marcin Lewandowski
    • Mathieu Duponchelle
    • Ognyan Tonchev
    • Patricia Muscalu
    • Piotr Drąg
    • Sebastian Dröge
    • Sreerenj Balachandran
    • Thibault Saunier
    • Tim-Philipp Müller
    • Vincent Penquerc'h
    • Wim Taymans

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