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Ulrich von Zadow | 10 Jun 2012 23:15
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Moving to Forums

Hi everyone,

we're shutting down the libavg mailing lists and moving to forums and a development blog. This should give
us a bit more exposure. Forums have a lower barrier to entry than mailing lists, since you don't need to
subscribe to a list anymore. A blog is way better than the occasional 'new release' mail anyway :-). I'll be
blogging about the development progress irregularly so you can keep up-to-date. 

Here are the forums: https://www.libavg.de/site/projects/libavg/boards
And this is the blog: https://www.libavg.de/blog/

Enjoy!

Cheers,

  Uli

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marco-JBTa0uP8wUjJXUHYzB81Bw@public.gmane.org | 6 May 2012 07:46
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libavg and GUI

You can place a canvas, with the node and players, in a wxPanel?
Perhaps you can tell how a parent wxPanel?
I would like to create a GUI in which display different video-monitors.

thanks
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Tomasz Koziara | 15 Apr 2012 19:35
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libavg + 3D OpenGL rendering

Dear libavg Users/Developers

I would like to use libavg multitouch capablilites in a research code  
that needs to display large 3D scenes (meshes, points, vectors, etc.).  
After reading the "Programmer's Guid" I am a bit confused:

It seems like only 2D drawing is supported and only through a small  
subset of provided functions. My question is then:

I would like to use libavg in my own application that already extends  
python with a subset of commands. I would like to implement rendering  
of my 3D objects in C and provide an interface for it in Python. Then  
I would like to use this Python interface in LIBAVG to render the 3D  
data.

Can the above be easily done?

Best regards,
Tomek
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Max Jiang | 9 Feb 2012 06:17
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Player v1.5 crashes randomly on Ubuntu 10.04

Hello,


I have experienced random crashes which sometimes give "segmentation faults" and other times list backtraces and memory maps before quitting the player. The errors appear to be different each time.


I have libavg v1.5 installed on 3 machines (Intel Atom D525, 2G DDR3) all running Ubuntu 10.04 and they all have experienced the same problem.


I tried running using gdb and please find the stack trace file attached.


With all the tests I have run so far, I can conclude there are 3 types of errors:


1. *** glibc detected *** /usr/bin/python: malloc(): memory corruption:  ***


2. *** glibc detected *** /usr/bin/python: free(): invalid pointer:  ***


3. *** glibc detected *** /usr/bin/python: corrupted double-linked list:  ***




Any idea? Any suggestions/thoughts are very much appreciated. Thank you in advance.


Cheers,
Max


Attachment (st.tar.gz): application/x-gzip, 6350 bytes
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tao ira | 1 Feb 2012 14:03
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Issue about References to Derived Nodes

Hi,


I have got a question while reading article Subclassing in Programming Guide. In some cases, libavg forgets the class of a derived node and returns an object of the base class. Like this:
>>> textRect = TextRect("foo", size=(100,100)) >>> print type(textRect) <class 'subclass.TextRect'> >>> print type(textRect.rect.getParent()) <class 'libavg.avg.DivNode'>

One of the provided solution in this article is to Keep a reference to the derived node around in python. What does it mean by saying "Keep a reference to"? Because after several times' trying, I still couldn't do it right, maybe it is because I am new to python and failed to get the basic idea of this sentence. Can anyone help and explain more about it?

Thank you very much!

--
Ira 


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Ulrich von Zadow | 28 Jan 2012 19:27
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libavg 1.7.1

Hi,

we've released libavg 1.7.1. This is mostly a bugfix release, but it's also the first UI library to support
the new Linux multitouch standard XInput 2.2. The release will be distributed with Ubuntu 12.04.

http://www.libavg.de/wiki/DownLoad

Cheers,

  Uli

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Any technology distinguishable from magic is insufficiently advanced.

Ulrich von Zadow | +49-172-7872715
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Francesco D'Aluisio | 26 Jan 2012 11:01
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Libavg - Archicteture ARM


> getting libavg to run on ARM will definitely take some work. With 
> very few
> exceptions, everything in libavg is portable C++, but the library 
> needs
> full OpenGL support, including legacy functions, at the moment. We're
> working on this, but it might take some time.

there is a chance to see this soon?
there is a roadmap for supporting OpenGL ES?

Thanks

--

-- 
--------------------------------------------
Francesco D'Aluisio

SSB Progetti s.r.l.

Corso Filippo Turati 13 Bis, scala F
10128 - Torino
Tel. +39 011 3810436/7
Fax. +39 011 5096022

Web: www.ssbprogetti.it
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Ulrich von Zadow | 24 Jan 2012 12:30
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Lion compatibility

Hi,

I've just uploaded a new Mac installer (version 1.7.1) that fixes some issues under Lion.

libavg does not build yet under Lion. Is there anyone that depends on this? If so, I'll try to get it to work soon.

Cheers,

  Uli

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Ulrich von Zadow | +49-172-7872715
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Alexander Lobunets | 15 Nov 2011 09:41
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OSX 11.* Support?

Hello!

I'm currently fighting with installation of libavg on a OSX Lion. The
latest version of the installer fails and the source's MakeMacDist.sh
contains the following:

if [[ "${DARWINMAJORVER}" == "10" ]]
then
    PYTHONVERSION=2.6
    OSXVERSION=10.6
    BUILDDIR=/usr/local/lib/python2.6/
else
    PYTHONVERSION=2.5
    OSXVERSION=10.5
    BUILDDIR=/Library/Python/2.5
    sudo rm -rf ${BUILDDIR}/site-packages/libavg
    sudo make install

which suggests it's impossible? :)

Any hints are appreciated.

Thanks!

--

-- 
Kind regards,
Alex
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Ulrich von Zadow | 7 Nov 2011 21:04
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libavg 1.7

Hi again,

the release is online:

http://www.libavg.de/wiki/DownLoad

Thanks to all who contributed!

Cheers,

  Uli

PS: I've also put up a page with the current plans for 2.0:
http://www.libavg.de/wiki/Development/Ver20. I'd like to break backwards compatibility in several
places - please comment :-).

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Ulrich von Zadow | 30 Oct 2011 10:52
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libavg 1.7 prerelease

Hello everyone,

I've put a prerelease for the next libavg version online, and it's pretty cool :-). Please test!

We've done a lot of work on multitouch event handling and gesture support, there are several new effects classes, an SVG loader and a BitmapManager that allows you to load bitmaps in a background thread. We've also removed lots of performance bottlenecks.


Cheers,

  Uli

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Any technology distinguishable from magic is insufficiently advanced.

Ulrich von Zadow | +49-172-7872715
Skype: uzadow



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