Release notes for
The GStreamer team is pleased to announce the first release of the unstable
1.9 release series. The 1.9 release series is adding new features on top of
the 1.0, 1.2, 1.4, 1.6 and 1.8 series and is part of the API and ABI-stable 1.x release
series of the GStreamer multimedia framework. The unstable 1.9 release series
will lead to the stable 1.10 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 in the next days.
This module, gstreamer, only contains core functionality.
For actual media playback, you will need other modules.
- contains a basic set of well-supported plugins
- 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
: Unit test failures with CK_FORK=no make check
: osx: fix libcheck and " make check " builds with clang
: Dispose/finalize GST_REFCOUNTING log messages missing poitner of object being disposed/finalized
: CRITICAL: Race condition in GstBus
: info: gst_debug_log_default() function can't be removed before gst_init()
: gst_registry_plugin_filter() and gst_registry_feature_filter() callbacks can't use any API using the registry
: New GstStream API and decodebin3/playbin3
: pad: blocking pull probe during pull_range doesn't work
: gstreamer: use new gst_element_class_add_static_pad_template()
: API: add async property change notification - gst_element_add_property_notify_watch()
: capsfilter: remove unnecessary gst_pad_has_current_caps() calls for each buffer
: gstparse: element properties are contained in a GstPipeline instead of a GstBin
: libcompat.h: strsignal() should not be declared const
: crash due to gst_iterator_fold which lacks error handling.
: dot files: fix enum properties
: expose pad_link_maybe_ghosting
: tests: plugin: improve debug message
: gstinfo: fix file descriptor leak when default log function is not added
: Build broken with gcc 6.0
: rusage tracer: crash when freeing memory
: multiqueue: catch errors and flushing after locking
: tracer: add (mini) object leak tracer
: allocator: clean up allocators in gst_deinit()
: gst_element_base_class_finalize() is never called
: Add caps and capsfeatures cleanup functions
: pad: fix buffer leaks in test
: bin: fix leaks in unit test
: multiqueue: playback with sparse stream deadlocks
: fix various leaks in tests
: deviceproviderfactory: fix factory leak
: inspect: feature leak
: uri: don't use _gst_uri_free() directly
: factory leak in parse-launch test
: miniobject: fix ref count leaks in tests
: (mini)object: add flag marking " leaked " objects
: gstdebugutils: fix warning on enum properties printing
: pad: Don't drop LATENCY queries with default implementation
: adapter: Add a method to query current offset
: patch: make git-update.sh build with all cores available
: baseparse: Make sure DISCONT flags are properly propagated
: object: Notify name change when using _set_name()
: object: leak in test_fake_object_name
: windows static build broken (regression)
: GstBufferPool: acquire_buffer has unsafe GstPoll usage
: baseparse: Don't add calculated bitrates until threshold
You can find source releases of gstreamer in the
gstreamer 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).
Find us on IRC at #gstreamer.
Git is hosted on git.freedesktop.org. You can
browse the gstreamer 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
- Alex Ashley
- Anthony G. Basile
- Arun Raghavan
- Carlos Rafael Giani
- Danilo Cesar Lemes de Paula
- Edward Hervey
- Francisco Velazquez
- Guillaume Desmottes
- Havard Graff
- Jan Alexander Steffens (heftig)
- Jan Schmidt
- Julien Isorce
- Linus Svensson
- Luis de Bethencourt
- Mark Combellack
- Matej Knopp
- Matthew Gruenke
- Matthew Waters
- Nicolas Dufresne
- Nirbheek Chauhan
- Ray Strode
- Reynaldo H. Verdejo Pinochet
- Sebastian Dröge
- Stefan Sauer
- Stian Selnes
- Thiago Santos
- Tim-Philipp Müller
- Vincent Penquerc'h
- Vineeth TM
- Wonchul Lee