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Release notes for GStreamer Base Plugins 1.7.2

The GStreamer team is pleased to announce the second release of the unstable 1.7 release series. The 1.7 release series is adding new features on top of the 1.0, 1.2, 1.4 and 1.6 series and is part of the API and ABI-stable 1.x release series of the GStreamer multimedia framework. The unstable 1.7 release series will lead to the stable 1.8 release series in the next weeks. Any 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 1.7 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 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:
gst-plugins-good
contains a set of well-supported plugins under our preferred license
gst-plugins-ugly
contains a set of well-supported plugins, but might pose problems for distributors
gst-plugins-bad
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
gst-libav
contains a set of codecs plugins based on libav (formerly gst-ffmpeg)

Bugs fixed in this release

  • 745880 : sdp: SDP < - > GstCaps helper functions
  • 751901 : gst-play: verbose & playbin flags options support
  • 755918 : decodebin: Refactor code to remove assertion errors
  • 756187 : appsink: Always blocks on EOS until buffers are consumed since 1.6, should be configurable
  • 758212 : playbin adds the template caps on autoplug-query
  • 759729 : audiofxbad: Name collision with new GstAudioChannelMix API from libgstaudio
  • 759855 : build: pbutils needs to link to libgstbase for bytewriter and adapter
  • 759890 : audioconvert: creates choppy audio
  • 760134 : audioconvert test: doesn't build with clang
  • 760204 : videotestsrc: add missing break in set_property switch case
  • 760234 : playbin: Assumes recursive accept-caps query, breaks totem
  • 760408 : #750013 (streamsynchronizer patches) broke some use cases in GES
  • 760477 : playbin: caps intersection autoplugs too early and stream stops
  • 760769 : tests:audioconvert: Build error when running make check
  • 760938 : audioconvert: crash when executing orc unpack function
  • 760949 : decodebin: Correctly expose pads from elements that have directly exposable pads
  • 761132 : video-format: fix GstVideoFormatInfo documentation warnings
  • 761218 : audio/videodecoder: Use gst_pad_peer_query_caps() instead of using gst_pad_get_allowed_caps() to make negotiated output caps before forwarding GAP event
  • 761251 : textoverlay: Expose text rendering dimensions to applications and remove absolute positioning limit
  • 761949 : gst-libs/gst/Makefile.am: build audio before rtp
  • 761951 : videoencoder: Fix leak when pre_push does not return OK
  • 762085 : gst-base 1.7 update created background buzzing noise with audioconvert
  • 762239 : matroskademux: Assertions about unmappable memory when demuxing wavpack streams
  • 693263 : typefinding: MPEG-2 video ES detected as H.263

Download

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 git.freedesktop.org .

Homepage

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.

Developers

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
  • Aurélien Zanelli
  • Edward Hervey
  • Evan Callaway
  • Havard Graff
  • HoonHee Lee
  • Hugues Fruchet
  • Hyunjun Ko
  • Julien Isorce
  • Koop Mast
  • Lubosz Sarnecki
  • Mathieu Duponchelle
  • Nirbheek Chauhan
  • Reynaldo H. Verdejo Pinochet
  • Sebastian Dröge
  • Stefan Sauer
  • Stian Selnes
  • Thiago Santos
  • Thibault Saunier
  • Tim-Philipp Müller
  • Vineeth T M
  • Vineeth TM
  • Wim Taymans

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