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release notes

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release notes
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Thomas Vander Stichele 2003-02-02 00:55:01 +00:00
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145
RELEASE
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@ -1,74 +1,84 @@
GStreamer "Panic Room" 0.5.2 released
GStreamer "Hottest Pick" 0.6.0 released[*]
The GStreamer team is happy to announce our final prerelease for the
stable 0.6 series of the GStreamer streaming-media framework.
The GStreamer team is happy to announce our first ABI stable release
series. The 0.6.x series of the GStreamer streaming-media framework.
From now on, GStreamer will follow a versioning scheme similar to
kernel and GTK+/GLib releases. Odd minor numbers (like for this
release) will be development releases. While GStreamer itself is very
much under development, during stable releases we will guarantee API-
and ABI-stability. The point of this development release cycle is to
support Gnome 2.1.x development.
At this point in time GStreamer is fully functional for creating
audio-based applications, as shown by applications such as
gnome-sound-recorder, Rhythmbox and nautilus-media.
GStreamer major-minor series versions will now be
parallel-installable. Please update your applications to check for
gstreamer-0.5, gstreamer-libs-0.5 and gstreamer-play-0.5 using
pkg-config.
Video-based applications still have some issues at this point,
especially in the area of audio/video sync and seeking, but we plan on
solving those issues during the 0.6.x series.
We will also be releasing a development 0.7 release series, in which
we will work on such things as the remaining video issues and the
interactivity support which is needed for DVD menus and SWF (Flash).
This means developers working on apps needing these services can use
the 0.7 series for development and then enable 0.6 support as these
additions optionally get backported to 0.6 once they are stable and
work well.
Thread issues and GStreamer
Many of GStreamer's features relies heavily on threads. Unfortunately
everything is not rosy in the Linux world of threads. If you have a
glibc version installed compiled with i686 optimizations (which uses a
different codepath than standard i386 glibc), there is a good chance
you will experience thread-related crashes in gstreamer-based
applications. There are a few workarounds to this available.
* You can use an i386 glibc package instead. (Since this is the only
one shipping with Debian, debian users do not experience this
issue.)
* You can also try running the gstreamer-based applications using
the command-line option --gst-scheduler=opt, which invokes a newly
created scheduler that does not use threads. This scheduler is
very new however so you might encounter other issues when using
it. Please report issues to our bugzilla.
People using the first Red Hat beta called Phoebe are recommended to
update to glibc from Rawhide or from the second Phoebe release. This
solves all thread issues, thanks to the new NTPL thread library that
is included there.
The GStreamer applications we ship all check for both gstreamer-0.6,
gstreamer-libs-0.6 and gstreamer-play-0.6; if those aren't found the
0.7 version of those files are checked for. We suggest anyone making
GStreamer-based apps do the same.
We are starting to have a really nice collection of applications under
development using GStreamer. If you are looking for something specific
check out our [1]applications status page.
Updates and Enhancements
Features
Thread issues and GStreamer
Many of GStreamers features relies heavily on threads. Unfortunately
everything is not rosy in the Linux worlds of threads. If you have a
glibc version installed compiled with i686 optimizations (which uses a
different codepath than standard i386 glibc), there is a good chance
you will experience thread-related crashes in gstreamer-based
applications. There are a few workarounds to this available.
* You can use an i386- or i586-optimized glibc package instead.
* You can also try running the gstreamer-based applications using
the command-line option --gst-scheduler=opt, which invokes a newly
created scheduler that does not use threads. This scheduler is
very new however so you might encounter other issues when using
it.
People using the Red Hat beta Phoebe are recommended to update to
glibc from Rawhide. This solves all thread issues, thanks to the
new NTPL thread library that is included there.
General
* Solaris Forte fixes, GStreamer now compiles with Forte
* FreeBSD build fixes
* Many minor build issues fixed
* libgstplay updated to use filesrc
Core
* Many refcounting issues resolved
* A few Valgrind detected memleaks killed
Plug-ins
* Fix to OSS plugin to handle blocking correctly [2]Bug 102025.
* Wavparse plugin fixed to handle MPEG audio
* Swfdec plugin updated, now has sound
* Updated ffmpeg plugin to handle xvid movies
* modplug updated to work better with gst-player
* alsasink 100% cpu bug fixed
* pngenc cleaned up
* Pipeline based media architecture
* Over 130 plugins
* All parts interchangeable
* Few dependencies, only glib, popt and libxml for core (libxml
optional)
* Python Language bindings
* Good documentation
* Will be widely deployed through bundling with GNOME 2.2
* Design catering also for applications needing low-latency
* Highly portable, already running on most mainstream CPU's
* Modular design and use of 3rd party best of breed libraries means
no bloat
* LGPL licensing lays no restrictions on application developers
licensing.
* Easy for applications to ship their own plugins to the core as
needed
* Compiles with both GCC and Forte compilers
GStreamer Homepage
More details on these features can be found on the project's website,
[3]http://gstreamer.net/.
[2]http://gstreamer.net/.
Support and Bugs
We use [4]Gnome's Bugzilla for bug reports and feature requests. The
We use [3]Gnome's Bugzilla for bug reports and feature requests. The
"product name" is GStreamer (capital G). Please do the following
before writing a bug report :
gst-feedback &> feedback 2>&1
@ -78,29 +88,32 @@ gst-feedback &> feedback 2>&1
Developers
GStreamer is [5]hosted on SourceForge. All code is in CVS and can be
GStreamer is [4]hosted on SourceForge. All code is in CVS and can be
checked out from there. Interested developers of the core library,
plug-ins, and applications should subscribe to the gstreamer-devel
list. If there is sufficient interest we will create more lists as
necessary.
We are still looking for people with access to Solaris, HP-UX, Irix
and True64 that would be willing to try building and testing
GStreamer. Patches fixing such problems are also more than welcome.
We are still looking for people with access to FreeBSD, Solaris,
HP-UX, Irix and True64 that would be willing to try building and
testing GStreamer. Patches fixing such problems are also more than
welcome.
Contributors to this release
Patches to the core of Gstreamer
* Wim Taymans <wim.taymans(AT)chello.be>
* Erik Walthinsen <omega(AT)temple-baptist.com>
* Thomas Vander Stichele <thomas(AT)apestaart.org>
* David I. Lehn <dlehn(AT)vt.edu>
* David Schleef <ds(AT)schleef.org>
* Leif Morgan Johnson <lmjohns3(AT)eos.ncsu.edu>
* Brian Cameron <brian.cameron(AT)sun.com>
* Joshua N Pritikin <vishnu(AT)pobox.com>
Plugins and Sample Applications
* Julien MOUTTE <jmoutte(AT)electronic-group.com>
* Cameron Hutchison <camh+gst(AT)xdna.net>
* Ronald Bultje <rbultje(AT)ronald.bitfreak.net>
* Steve Baker <stevebaker_org(AT)yahoo.co.uk>
@ -109,17 +122,21 @@ Contributors to this release
* Jan Schmidt <thaytan(AT)mad.scientist.com>
* Daniel Fischer <dan(AT)f3c.com>
* Martin Schlemmer <azarah(AT)gentoo.org>
* Andrew Turner &li;zombie(AT)4free.co.nz>
* Andrew Turner <zombie(AT)4free.co.nz>
* Owen Fraser-Green <owen(AT)discobabe.net>
* Leif Morgan Johnson <lmjohns3(AT)eos.ncsu.edu>
* Benjamin Otte <in7y118(AT)public.uni-hamburg.de>
Misc
* Christian Fredrik Kalager Schaller <Uraeus(AT)gnome.org>
* Alp Toker <alp(AT)atoker.com>
[*]: GStreamer is Hottest Pick in the UK Linux Format #36, out now !
References
1. http://www.gstreamer.net/status/?category=2
2. http://bugzilla.gnome.org/show_bug.cgi?id=102025
3. http://gstreamer.net/
4. http://bugzilla.gnome.org/
5. http://gstreamer.sf.net/
2. http://gstreamer.net/
3. http://bugzilla.gnome.org/
4. http://gstreamer.sf.net/