etoys-dev March 2007

etoys-dev@lists.squeakfoundation.org

17 participants
16 discussions

[Etoys] Ogg Vorbis and Speex CODEC for Squeak eToys
by Takashi Yamamiya 04 Apr '07

04 Apr '07

Hello, I have uploaded some change sets to the update stream (#1230, #1231) for Ogg Vorbis and Speex sound codec support. It allows you to compress sound data efficiently, and it would be easy to make tutorial project with voice guidance. - Recoding a voice with codec using Sound Recorder in parts bin. - Making a tile from the recoeded voice, and saving as a .pr file. - Playback .ogg / .spx music from File List. I will apply the Event Theatre soon. However, you need a plugin file to test this feature. Please download and try it. http://tinlizzie.org/olpc/OggPlugin/OggPlugin.linux.tgz for OLPC machine and linux. http://tinlizzie.org/olpc/OggPlugin/OggPlugin.win.zip for Windows http://tinlizzie.org/olpc/OggPlugin/OggPlugin.mac.zip for Mac OS X The mac plugin requires universal binary ftp://ftp.smalltalkconsulting.com/. Note that because this is my first time to build something on Macintosh, it is possible that something is completely bad. At least it worked on a MacBook though, please tell me if it doesn't work on your mac. And give me your advice! Source code is available at: http://tinlizzie.org/olpc/OggPlugin/ogg_plugin.tar.gz Thank you, - Takashi

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[Etoys] Demo notes
by Bert Freudenberg 31 Mar '07

31 Mar '07

I updated the demo notes at the wiki, which still refered to the old "welcome demo" start screen: http://wiki.laptop.org/go/Demo_notes#2.__Etoys We should probably not put more extensive instructions on this page, but a few links to specific demo instructions would be nice. - Bert -

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[Etoys] OLPC Cursors
by Bert Freudenberg 31 Mar '07

31 Mar '07

Hi folks, I attached a CS that contains the OLPC default cursor (big rounded arrow). It should work without errors on old VMs that do not support large cursors (please test). On the latest OLPC VM the large cursor should be displayed. This is work-in-progress but should work for now. Jim requested theme- support for example, which is required for accessibility, we'll need to work on that. Anyway, I'd like to push this (as well as the DSA CS) today to get it into the trial-1 stable build. So if possible I'd like to have feedback soon. - Bert -

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[Etoys] Loading DSA keys
by Bert Freudenberg 30 Mar '07

30 Mar '07

Hi folks, attached is a CS that loads the Sugar-generated DSA key (~/.sugar/ default/owner.key) instead of generating our own. This avoids the first-time etoys startup delay. I made the reader with the help of the Squeak Cryptography team, but I did not actually use the crypto package because of space concerns. I have not pushed this into the stream yet - could someone please verify this change makes sense? Or speak up if this is not a good idea? Also, should we export the loaded key in Squeak's format? Currently it is loaded from owner.key at every startup. - Bert -

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[Etoys] Launching project from web browser
by Bert Freudenberg 30 Mar '07

30 Mar '07

Hi folks, I worked with Marco P. G. on launching projects from the web activity. We got that working - if you visit a .pr file on the web it is downloaded and placed in the frame's clipboard area (left edge). Additionally, the etoys activity is launched, and the project is loaded (once I published my changes). Note this only works with direct links to a project file, not if it is embedded as plugin in a page as we do for other squeakland projects. So this will work on the XO: http://freudenbergs.de/bert/etoys/OLPC-XO-Display.pr but this on a regular machine: http://squeakland.org/project.jsp?http://freudenbergs.de/bert/etoys/ OLPC-XO-Display.pr It should work (but I have not tested this yet) to link to some example etoys is /usr/share/etoys/ExampleEtoys from the Library html file. Might make a nice demo. Is there anything else on the wishlist for test1? - Bert -

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[Etoys] Camera support
by Bert Freudenberg 29 Mar '07

29 Mar '07

I tested the camera morph with the new packages in build 340 on a b2 today. Got to 24 frames per second, awesome :) The playback is not completely smooth however, it "jumps" every once in a while - anybody else seeing this? - Bert -

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[Etoys] Etoys git
by Bert Freudenberg 28 Mar '07

28 Mar '07

Hi folks, I just finished moving the binary content out of git, which reduces the initial checkout size from more than 200 MB to less than 200 KByte. The content is now in svn and updated automatically when building (initial download less than 20 MB compressed) [*]. Simplest for you is to just rm -rf sugar-jhbuild/source/etoys and then sugar-jhbuild buildone squeak sugar-jhbuild buildone etoys For the interested, the subversion repository is at http://etoys.laptop.org/svn/ To commit, you need to 'svn switch --relocate ...' from http to svn+ssh. - Bert - [*] It would be nicer if the svn checkout was performed during "jhbuild update", maybe some kind soul could add a module option to jhbuild to run a post-checkout script.

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[Etoys] Updated packages
by Bert Freudenberg 23 Mar '07

23 Mar '07

Hi folks, I pushed new rpms, should be in next OS build, or as usual from http://etoys.laptop.org/ squeak-vm rpm: - Diego's much faster camera reading - my support for big cursors (32 bit ARGB) - todo: add Alsa-Midi plugin (breaks compile right now) - todo: add Ogg plugin (did not compile with current SVN sources) etoys rpm: - changes up to 1238, including better camera support by Diego and Ogg support by Takashi - activity can now be launched from webbrowser by visiting a .pr file - Ted's updated DemonCastle tutorial - todo: actually add big cursors I'm attaching my preliminary hack to support big cursors in the image (this code needs to be moved to a separate CursorWithAlpha class). Enable #biggerCursors preference to scale up old cursors. Or try this to load any of the nice OLPC cursors: dir := FileDirectory on: Smalltalk vmPath, '../../../share/icons/olpc/ cursors'. names := dir fileNames. i := PopUpMenu withCaption: 'Select Cursor' chooseFrom: names. name := dir fullPathFor: (names at: i). (Cursor loadFromXCursorFileNamed: name) show - Bert -

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Re: [Etoys] Re: Images updates (it was Re: [Trac #1066] Can not set sound and visual effect forBook)
by Takashi Yamamiya 21 Mar '07

21 Mar '07

Hi Offray, 2007/3/17, Offray Vladimir Luna Ca'rdenas <offray.luna(a)javeriana.edu.co>: > I have tried your advice, but I get a error message about a privitive > which has failed. I would have attached an screenshot of the error > message when I make click on "Debug" button, but I can get the export > option from the object menu of any object on the Etoys image (do you > know how can I get it?), so here comes part of the errors: > > OggVorbisCodec(Object)>>error: > OggVorbisCodec(Object)>>primitiveFailed > OggVorbisCodec(OggDriver)>>primitiveOpen: > OggVorbisCodec>>startDecoder > [...] Thank you for the bug report. What platform do you use? Actually OggPlugin have not been tested enough yet. If you use PowerPC Mac, You are the first person to try it on big endian machine. If you use linux, maybe libogg, libspeex, and libvorbis is missing (you need to install them from separately). > Do you think that OLPC Etoys could integrate and help to organize > the work on other images and be used in machines with different form > factor, from XO to desktop computers? Sure, I think we should do that. # I'm sorry the slow response, and I fogot the last mail to add cc: to the list. Cheers, - Takashi

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[Etoys] Re: [olpc] 2 browser questions: fonts and activity-launching
by Samuel Klein 21 Mar '07

21 Mar '07

Question: how can we launch etoys from the browser when someone clicks on a URL? Marco notes that a hook can readily be added to do the launching, but how will etoy parse the input URI? SJ

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etoys-dev March 2007