RELEASE: GStreamer Core, Plugins, RTSP Server, Editing Services, Python, Validate 1.6.0 stable release

Sebastian Dröge sebastian at
Fri Sep 25 15:05:14 PDT 2015

The GStreamer team is proud to announce a new major feature release in the
stable 1.x API series of your favourite cross-platform multimedia framework!

This release has been in the works for more than a year and is packed with new
features, bug fixes and other improvements.

See for the full list of

Binaries for Android, iOS, Mac OS X and Windows will be provided separately
by the GStreamer project.
We'll send follow-up mails to this mail once they are available.


- Stereoscopic 3D and multiview video support
- Trick mode API for key-frame only fast-forward/fast-reverse playback etc.
- Improved DTS (decoding timestamp) vs. PTS (presentation timestamp) handling
  to account for negative DTS
- New GstVideoConverter API for more optimised and more correct conversion of
  raw video frames between all supported formats, with rescaling
- v4l2src now supports renegotiation
- v4l2transform can now do scaling
- V4L2 Element now report Colorimetry properly
- Easier chunked recording of MP4, Matroska, Ogg, MPEG-TS: new splitmuxsink
  and multifilesink improvements
- Content Protection signalling API and Common Encryption (CENC) support for
- Many adaptive streaming (DASH, HLS and MSS) improvements
- New PTP and NTP network client clocks and better remote clock tracking
- High-quality text subtitle overlay at display resolutions with glimagesink
  or gtkglsink
- RECORD support for the GStreamer RTSP Server
- Retransmissions (RTX) support in RTSP server and client
- RTSP seeking support in client and server has been fixed
- RTCP scheduling improvements and reduced size RTCP support
- MP4/MOV muxer acquired a new "robust" mode of operation which attempts to
  keep the output file in a valid state at all times
- Live mixing support in aggregator, audiomixer and compositor was improved a
- compositor now supports rescaling and converting inputs streams on the fly
- New audiointerleave element with proper input synchronisation and live input
- Blackmagic Design DeckLink capture and playback card support was rewritten
  from scratch; 2k/4k support; mode sensing
- KLV metadata support in RTP and MPEG-TS
- H.265 video encoder (x265), decoders (libav, libde265) and RTP payloader and
- New DTLS plugin and SRTP/DTLS support
- OpenGL3 support, multiple contexts and context propagation, 3D video,
  transfer/conversion separation, subtitle blending
- New OpenGL-based QML video sink, Gtk GL video sink, CoreAnimation
  CAOpenGLLayerSink video sink
- gst-libav switched to ffmpeg as libav-provider, gains support for
  3D/multiview video, trick modes, and the CAVS codec
- GstHarness API for unit tests
- gst-editing-services got a completely new ges-launch-1.0 interface, improved
  mixing support and integration into gst-validate
- gnonlin has been deprecated in favor of nle (Non Linear Engine) in
- gst-validate has a new plugin system, an extensive default testsuite,
  support for concurrent test runs and valgrind support
- cerbero build tool for SDK binary packages gains new 'bundle-source' command
- Various improvements to the Android, iOS, OS X and Windows platform support

Release tarballs can be downloaded directly from:
52ef885647afef11c8b7645a9afefe04aa09e8971c4b932e7717872ab8a30fcc  gstreamer-1.6.0.tar.xz
314fd1b707f65caf8eb6164d9422fc51e2b220a890ccd2de6ec03a2883d77231  gst-plugins-base-1.6.0.tar.xz
a0915639595305e48884656e22b16fda7c6892aa02cdb3eb43e23dab6e6b81fa  gst-plugins-good-1.6.0.tar.xz
d8ff26128d4ecd2ffeb28e14843808d2d971b09056b7cee6f08afcae01fc0f49  gst-plugins-bad-1.6.0.tar.xz
91178dc0d687a83c083190a905681d3a66901374b1004fc52cd300b7802e5f06  gst-plugins-ugly-1.6.0.tar.xz
6cca6cf73182a882768ef0c860af88c2fd2c77e2c81ce464a998ab4e6baa604c  gst-libav-1.6.0.tar.xz
1e1526d700ba36df5b30c887ccc37179903255022e57f716afb3ef172fe0746f  gst-rtsp-server-1.6.0.tar.xz 
60dbc7f5ac2b6655ed4a7ed2cee63ee5a525d37cb16eaa6b9df7d7dfe4e9605f  gst-python-1.6.0.tar.xz
4a780cc27029d25271cf4f8bc17531aa9a1d435e4f807202fd3790f53b964dbe  gstreamer-editing-services-1.6.0.tar.xz
3baef8c7b5363293c20314a30afd54629849fc597669991fdcf92303602dafee  gst-validate-1.6.0.tar.xz

As always, please let us know of any issues you run into by filing a
bug in Bugzilla:

Sebastian Dröge, Centricular Ltd ·

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