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Release notes for A set of VA-API based elements for GStreamer 1.9.1

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.

Bugs fixed in this release

  • 759181 : Add P010 video format support
  • 749852 : Encoder: HEVC: Add CBR Encoding mode support
  • 753914 : vaapidecode: Always report cropped resolution in src caps
  • 758548 : vaapipostproc: Allow video scaling using capsfilter
  • 761194 : gstreamer-vaapi resolution mismatch issue (regression?)
  • 763460 : vaapidecoder: events from frames might leak when shutting down
  • 764082 : decoder: vp9: Add 10 bit decoding support
  • 764256 : gstreamer-vaapi fails with 30-bit colour depth display
  • 764274 : [HEVC][decode] No valid frames decoded before end of stream.
  • 764314 : docs: generate vaapijpegdec documentation
  • 764316 : vaapidecode: simplify downstream negotiation
  • 764673 : blacklist unsupported backend drivers
  • 764993 : libs: fix deleting a GstVaapiCodedBufferPool object
  • 765095 : vaapipostproc: doesn't resize when allocation query is different from negotiation caps and same color format
  • 765223 : plugins: simplify caps feature selection and honour negotiated colour format
  • 765368 : plugins: rework set_context() vmethod definition
  • 765798 : vaapisink: add support for GST_TAG_IMAGE_ORIENTATION
  • 765931 : vaapipostproc: no GLTextureUpload in sinkpad
  • 766048 : Add VP9 Encoding support
  • 766050 : Add Low power, High performance h264 encoder support
  • 767868 : vaapi: fix minor leaks
  • 767934 : vaapidecoder_h265: critical memory leak
  • 768161 : vaapipostproc: don't share VA display before caps negotiation


You can find source releases of gstreamer-vaapi in the gstreamer-vaapi 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 gstreamer-vaapi 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

  • Hyunjun Ko
  • Julien Isorce
  • Matthew Waters
  • Michael Olbrich
  • Nicolas Dufresne
  • Scott D Phillips
  • Sebastian Dröge
  • Sreerenj Balachandran
  • Stephen
  • Thiago Santos
  • Víctor Manuel Jáquez Leal

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