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Release notes for GStreamer FFmpeg 0.8.5 "For the better of the world"

The GStreamer team is happy to announce a new stable release of the FFmpeg-based GStreamer plugin.

This module is separated from GStreamer Plug-ins for easier maintenance and decoupled release cycles. Our CVS contains both the patched source code to FFmpeg, as well as the set of patches against upstream CVS, so we can send patches upstream regularly from our modifications.

Features of this release

  • codecs for most popular formats
  • stability fixes
  • gcc4 support
  • snapshot update to 21/4
  • timestamp smoothing
  • deinterlacer and scaler elements added
  • new codecs for alac, shorten
  • much improved h264 support
  • some muxers added (mpeg, mp4)
  • decoder performance improvements

Bugs fixed in this release

  • 149097 : Internal GStreamer error: pad problem. File a bug.
  • 169082 : segfault with invalid pipeline
  • 169823 : [enhancement] add alac decoding support :)
  • 172668 : gst-ffmpeg 0.8.4 doesn't compile with gcc4
  • 172961 : valgrind gives a lot of errors on gst-ffmpeg elements
  • 173044 : [PATCH to ffmpeg] Memory error in mjpeg_decode_frame
  • 300200 : cpu usage on certain .mov file goes to 100% once file has...
  • 300923 : [PATCH] make ffdec_* elements use gst_pad_alloc_buffer
  • 301717 : [PATCH] ffenc_mpeg4 segfaults in _get_caps
  • 301783 : [PATCH] enable our get/release_buffer functions in ffmpegdec
  • 302017 : possible segfault
  • 302147 : [PATCH] support YUVJ(420|422|444)P colorspace format in f...
  • 306530 : quicktime files encoded with "Sorensen video v.3" have fr...
  • 306770 : [PATCH] only do timestamp interpolation for delayed streams
  • 306893 : Unreffing already unreffed buffer when going from PAUSED-...


You can find source releases of gst-ffmpeg in the gst-ffmpeg 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-ffmpeg 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

  • Ronald Bultje
  • Edward Hervey
  • Luca Ognibene

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