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NEWS
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NEWS
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libavg 1.8.2 - July 15, 2014
Bugfixes:
* Fixed Audio (#500)
libavg 1.8.1 - June 21, 2014
Bugfixes:
* Fixed anim keepAttr bug (#496)
* Fixed XInput multitouch support (r9651, #489)
* Documentation fixes (r9648, r9637, r9636, #487)
* Cleaner test output (r9629, r9630, #410)
* Fixed undefined reference in VDPAUHelper (r9635, #486)
* libav 0.10.0 support
libavg 1.8.0 - Feb 15, 2014
svn revision 9557
Bugfixes
libavg 1.8.0.pre2 - Feb 8, 2014
svn revision 9545
Bugfixes
libavg 1.8.0.pre1 - Jan 11, 2014
svn revision 9495
Major New Features:
* Skinnable widget library including all standard button types, sliders, scroll and
progress bars, on-screen keyboard and media controls.
* Major speed improvements: libavg can now handle thousands of visible nodes, switched
to entirely shader-based rendering.
* New cool Firebirds sample (Scotty).
* Powerful unified event handling framework based on publish/subscribe pattern.
* Support for GLES and Raspberry Pi.
* Complete rewrite of the video decoder subsystem: Audio consistently works, VDPAU
support.
* Shiny new logging subsystem (Richy)
* Powerful new app class (OXullo)
Less Major New Features:
* New StateMachine class
* WordsNode.alphagamma
* GPUInvertFilter (Richy)
* Faster handling of filled vector nodes (Benjamin Granzow)
* Easier creation of derived node classes in python
* €1 jitter filter support for gestures
* Global libavg.player variable
* CPU Thread affinity used for cleaner playback when many threads are involved
* Debug OpenGL context support
* Player.callFromThread()
* FontStyle class
* SwipeRecognizer gesture recognizer
* Bitmaps: added blt(), getResized(), (Incomplete) support for bitmaps > 2 GB, thread
pool support for BitmapLoader.
LOTS of minor new features, support for current OSes and graphics drivers, bugfixes,
etc.
libavg 1.7.1 - Jan 26, 2012
svn revision 7008, branch release1.7.x
Bugfixes:
- Mac avg_env.sh handling of PKG_CONFIG_PATH fixed (r6886).
- Fixed handling of files > 2 gb in VideoWriter (r6905, Bug #279).
- Fixed VideoWriter crash with some ffmpeg versions (r6922).
- Fixed crash when stopping and seeking one video simultaneously (r6961).
- Fixed slow tests on Linux machines with ATI display drivers (r6970).
- Fixed TUIO support under Linux x86-64 (r6982).
libavg 1.7.0 - Oct 29, 2011
svn revision 6888, branch release1.7.x
Bugfixes
libavg 1.7.0.pre1 - Oct 29, 2011
svn revision 6871
Major New Features:
* Expanded effects support: New HueSatFXNode and InvertFXNode by Richard Klemm, major
speed improvements.
* Polished multitouch gesture support.
* New Contact class that delivers per-touch data, per-touch callbacks that make
event handling a lot easier.
* SVG support.
* New BitmapManager that allows loading of bitmaps in a background thread (OXullo
Intersecans).
Other Changes:
* Lots of performance optimizations.
* Linux ATI graphics are supported now.
* Major speed improvements to VideoWriter. Saving full HD videos is not a problem
anymore and costs little performance for the main rendering thread.
* Callbacks don't hold references to python objects anymore - this should make
freeing nodes a lot easier.
* New StateMachine class.
* Added Player.getPixelsPerMM(), getPhysicalScreenDimensions(), assumePixelsPerMM()
* Added touch feedback class.
libavg 1.6.0 - May 29, 2011
svn revision 6022, branch release1.6.x
Bugfix release
libavg 1.6.0.pre2 - May 27, 2011
svn revision 6018, branch release1.6.x
Bugfix release
libavg 1.6.0.pre1 - May 20, 2011
svn revision 5974
Major New Features:
* New Sphinx-based reference.
* Unified multitouch interface: internal tracker can now be activated using
enableMultitouch(), Windows 7 touch is supported, linux multitouch using
XInput 2.1 and LibMTDev. Drivers are autodetected if possible.
* (Finally!) Added clean windows build files for VS 2010 to the open source
distribution.
Other Changes:
* (Finally!) Found an invisible workaround for the Linux/Mesa graphics segfault
that's been plaguing us for years (Chase Douglas).
* Support for input devices defined in python (Henrik Thoms).
* Added VideoWriter class (initial version by Henrik Thoms).
* Added initial manipulation classes for multitouch gesture support.
* Added connect/disconnectEventHandler functions to replace setEventHandler()
* Added Player.getFrameDuration().
* Added geom.Arc and geom.PieSlice node classes.
* Added Player.isUsingShaders().
* Added Player.getScreenResolution().
* 16 bit texture support is more robust.
* Frame times are now monotonic, so libavg installations survive time zone changes.
* libavg can be built with binutils-gold under linux.
* Intelligent fallback for multisampling.
* FXNodes can now change the size of the node - necessary e.g. for blur and shadow.
* Added Player.getTimeSinceLastFrame().
* Added avg_checkvsync.py utility.
libavg 1.5.3 - February 20, 2011 (Linux only)
svn revision 5599
Major new feature:
* Linux XInput 2.1 Multitouch support.
libavg 1.5.1 - November 14, 2010 (Mac only)
svn revision 5275
Fixed bug that caused fullscreen apps to crash on the mac (Bug # 162).
libavg 1.5.0 - November 6, 2010
svn revision 5270
Major New Features:
* Nodes can be constructed directly from python, making createNode unnecessary.
* Added support for rendering avg scenes to offscreen canvases.
* Added GPU-based effects framework and Blur, Shadow, Chromakey effects.
* Added multitouch driver model and support for Apple Magic Trackpads and TUIO
devices.
* Support for flash videos with an alpha channel. Decoding is GPU-accellerated.
Other Changes:
* Added color controls (gamma, brightness, contrast) to all RasterNodes.
* Node constructors have a parent parameter which makes a following addChild
redundant.
* Added Player.setEventHook().
* Added onscreen keyboard for touchscreens.
* WordsNode.getNumLines(), .getCharIndexFromPos(), .getTextAsDisplayed().
* DivNode.getEffectiveMediaDir().
* Clearer profiling that works for multiple threads.
* Added AVG_BREAK_ON_IMPORT and AVG_BREAK_ON_ASSERT env variables.
* Added AVG_DUMP_TEST_FRAMES env variable.
* Added Player.setWindowFrame().
* Added VideoNode.queuelength.
* Video stability & timing improvements.
* DivNode crop default is now false.
* Node class names are unified: All names end with 'Node': WordsNode, DivNode, etc.
* Added ImageNode.compression for 16 bpp texture support.
* Added avg_audioplayer.py.
* Various compiler compatibility fixes: Compiles with gcc 4.5 and VC++ 2010 now.
* Lots of bugfixes - see the bug tracker.
libavg 1.5.0.pre3 - November 4, 2010
svn revision 5267
libavg 1.5.0.pre2 - November 3, 2010
svn revision 5263
libavg 1.5.0.pre1 - October 31, 2010
svn revision 5244
libavg 1.0.0 - January 8, 2010
svn revision 4489
New Features:
* hinting is now optional in words node.
* Multitouch emulation module added to AVGMTApp.
* masks now work with words nodes.
* Added video.volume property and video.hasAudio() method.
* Added AVG_LOG_CATEGORIES environment variable. Log configuration is now
done using the environment and not by calling a method.
* Added maskpos and masksize attribute so masks can be moved and rescaled.
* Added Player.getKeyModifierState()
* Added sse2 version of yuv->rgb color conversion.
* Added avg_videoinfo.sh.
* Added mesh node.
* Added avg_showcamera --resetbus to reset the firewire bus after crashes.
Other Improvements:
* New anim framework is now stable.
* Snow Leopard compatibility.
* avg_showcamera has much better command line handling.
* The test suite is faster and a lot more comprehensive.
* hrefs and mediadirs are now unicode-aware, so filenames like "ö.png"
should work.
* node.unlink(True) now deletes all event handlers in the node, making
it a lot easier to avoid memory leaks.
* Lots of bug fixes:
- Windows gamma is now reset correctly on program end.
- Linux vsync now much more stable.
- Setting node.pos.x now throws an error instead of being ignored.
Same for all other Point2D attributes.
- video.getNumFrames() now returns the exact number of frames.
- Behaviour of nodes before Player.play() and when they are not in the
avg tree is now much more stable.
- Fixed words node sensitive area for centered and right-aligned nodes.
libavg 1.0.0.pre3 - January 6, 2010
svn revision 4475
libavg 1.0.0.pre2 - December 23, 2009
svn revision 4398
libavg 1.0.0.pre1 - December 21, 2009
svn revision 4387
libavg 0.9.0 - August 23, 2009
svn revision 4100
Major new features:
* Support for vector node types: Line, PolyLine, Curve, Circle, Polygon,
Rectangle. Vector nodes can be textured, with the closed vectors taking two
textures: one for the outline, one for the fill. Vector drawing is GPU-based.
* Plugin support. Plugins written in C++ can define complete new node types.
* Powerful (but still experimental) new animation framework.
* Unified & much more stable camera drivers. Consistent support for all
resolutions & framerates we could test. Support for more than one camera on all
platforms. fw800 is supported.
* Uniform support for aggregate types in node interfaces (node.pos, node.pivot,
...)
Other improvements:
* gcc 4.4 and ffmpeg 0.5.0 compatibility.
* Added letterspacing support to words node.
* Threaded videos are now the default.
* Improved video seek and loop performance.
* New Node::getElementByPos() method that returns the node at that point on the
screen.
* Added avg.svnrevision and avg.svndate properties so the avg version can be
queried.
* New avg_showfont.py utility to help font selection.
* New avg_showcamera.py utility to help camera setup.
* New avg.getMemoryUsage function that returns the resident set size.
* New Words.addFontDir().
* Added support for mipmapping node textures, including videos.
* rasternode.maskhref to support static alpha masks for any videos, word nodes,
etc.
Syntax and semantic changes:
* In the course of adding aggregate types for node attributes, several attributes
have changed:
- words.size is now called words.fontsize.
- pivotx and pivoty have been replaced by pivot.
* right-aligned and centered words nodes are positioned differently.
* avgtrackerrc syntax has changed significantly; see src/avgtrackerrc.minimal.
* Support for firewire cameras using libdc1394 ver. 1 has been phased out. Please
install ver. 2.x.
* The old python-based anim framework is marked deprecated. You need to explicitly
use the namespace anim to access it.
libavg 0.9.0.pre3 - August 20, 2009
svn rev. 4086
libavg 0.9.0.pre2 - August 11, 2009
svn revision 4066
libavg 0.9.0.pre1 - August 9, 2009
svn revision 4046
libavg 0.8.0 - September 22, 2008
svn revision 3196
libavg 0.8.0.pre3 - September 16, 2008
svn revision 3171
* Fixed testgpu bug on older graphics cards.
* Fixed gcc 4.3 compile.
* Error instead of crash if vertex buffers are not supported.
libavg 0.8.0.pre2 - September 13, 2008
svn revision 3161
Major new Features:
* Major tracking improvements: Parts now run as shaders on the GPU,
lots of optimizations, speed and ellipse axes of blobs are now available
in python, blob contours can be calculated, etc.
* Major rendering performance improvements.
* Much improved words node - variant attribute to select font variant to use,
_much_ faster rendering, full unicode support, getGlyphPos() and
getGlyphSize() methods, avg_showfont.py utility (parts by oxullol02l.org).
* Support for stereo sound mixing (Mostly Nick Hebner - hebern@gmail.com).
* Support for audio playback for videos (Mostly Nick Hebner - hebern@gmail.com).
Other improvements:
* General Mac OS X 10.5 stability.
* Added mediadir attribute for div nodes to specify where media used in child
nodes should be loaded from.
* Switched from ImageMagick to GraphicsMagick.
* Nodes can now be constructed in python using a dict for the attributes (Nick
Hebner - hebern@gmail.com).
* Mouse Wheel support.
* Added Player::setWindowPos()
* Added Node::unlink() to remove a node from the tree.
* The anim module now allows only one animation per node attribute.
* avg_videoplayer.py utility.
* Support for application-specific fonts.
* Added Player::getGPUMemoryUsage() (oxullo@02l.net).
* Experimental button, checkbox and textarea gui classes.
* Added Player::loadString() to load avg tree from a string.
* Added DivNode::reorderChild(), ::insertChildBefore() and ::removeChild(pNode).
* Experimental TUIO protocol support in remote.py.
* Support for bayer pattern decoding (oxullo@02l.net).
* Added Node::getAbsPos().
* Added Node::getMediaSize().
* Unicode handling for keyboard events.
* New Point2D class exposed to python.
* Added anim.abortAnim(node, attrName).
libavg 0.8.0.pre1 - September 9, 2008
svn revision 3118
libavg 0.7.1.pre1 - November 25, 2007
svn revision 2439
Major new features:
* Rotating div nodes is now possible curtesy of Nick Hebner (hebnern@gmail.com)
* Works with Mac OS X 10.5 (Leopard)
Other improvements:
* Improved font rendering on Mac (pango-1.18.2, freetype-2.3.5)
* If AVG_CONSOLE_TEST is defined during make check, all tests that involve
opening windows are skipped.
* Fixed a memory corruption bug involving timeouts.
* Added draggable class.
* Added continuousAnimation class by Martin Heistermann
* Added DivNode::reorderChild()
* Fixes for new MacBook Pros with NVidia 8600 cards.
libavg 0.7.0 - August 31, 2007
svn Revision 2309
Major new features:
* Support for camera tracking and multitouch surfaces. (Lots of code by
igor@c-base.org.)
* Multi-threaded video decoding and video playback at speeds other than the
player redraw speed.
* API cleanups (not really a major feature, but a heads up that things will
break :-)).
* Much improved documentation.
Other improvements:
* Improved dynamic node API (DivNode::insertChild()).
* Video4Linux support curtesy of Xullo (x@02l.net).
* Update to new ffmpeg version.
* Callback support on video end of file.
* Support for python threads.
* Improved warp interface.
* Event callbacks now pass the event as a parameter.
* Added Player::setOnFrameHandler().
* Added Node::getRelPos().
* Any pythoon callable can be used as event handler now using
Node::setEventHandler().
* Added Anim.abort() and .isDone().
* Lots of new automatic low-level tests.
* libavg now uses correct python package semantics. Use
'from libavg import avg' to import it now. It shouldn't be necessary to
use PYTHONPATH anymore (igor@c-base.org).
* Much faster Image::setBitmap().
libavg 0.6.0 - October 7, 2006
svn Revision 1664
Major new features:
* Added support for dynamically adding and removing nodes to/from the tree.
* libavg now runs under windows, curtesy of Thomas Schüppel.
Other improvements:
* Compatible with Mesa 6.5.1 OpenGL.
* Much improved Gentoo ebuild.
* Added event capture capability (setEventCapture/releaseEventCapture) to nodes.
* Major speed improvement for motion jpeg videos.
* Some panorama image improvements.
* Text rendering speed improvements, minor text rendering quality improvements.
* Fixed mac fontconfig configuration directory issue.
* Fixed camera bug that caused an endless loop after 16 open/close cycles.
* Better error checking for broken videos and missing video files.
* More minor bugfixes.
libavg 0.5.9 - August 11, 2006
* Test suite now completely automatic and a lot faster.