[Etoys] ogg theora support for etoys tutorial movies (now works on XO)

Timothy Falconer timothy at immuexa.com
Wed Oct 17 09:57:47 EDT 2007

Two steps closer ... I have ogg theora embedded in web pages, with  
navigation.  Found Bastien Nocera, the author of the video plugin, on  
freenode.  He was very helpful.

Also got the webapp to use ogg if the client machine is linux, so ogg  
plays by default for the XO.  Flash plays by default elsewhere.

Four remaining snafus:

1. the volume button on the totem player has a red x, as though it's  
image wasn't found.  Took me a while to figure out this was volume :)

2. Bastien told me to add *something* to the video height to cover  
the controller at the bottom.  Does someone at OLPC know the exact  
height?   I used 16 pixels like Quicktime, but the videos look  

3. Anyone know how to specify the volume for the player in the  
<embed>?  I tried the Quicktime param, setting to 100, but it's still  
defaulting to 50.

4. the browser is flakey when viewing consecutive videos.   I had to  
restart it about two dozen times.  I'm assuming this is a memory  
thing.  YMMV.

If you've got an XO, try these out and let me know how you do.


On Oct 16, 2007, at 7:23 PM, Timothy Falconer wrote:

> Hi all,
> Spent a couple hours making the volumes more consistent.  #1 got
> scratchy, but otherwise they're audible enough on the XO.  Still
> seems like the volume is lower than I'd like, but it could be the
> XO.  Let me know your experience.
> http://waveplace.com/movies ... be sure to click the OGG buttons to
> launch those versions in the XO.
> Still looking for the <object classid="blah"> code to embed the Totem
> GStreamer plugin in a web page, if anyone knows it.
> Tim
> On Oct 16, 2007, at 3:45 PM, Timothy Falconer wrote:
>> Hi all,
>> Today I added support for Ogg Vorbis to my Squeak Etoys video
>> tutorials, and verified that they play on the XO.
>> http://waveplace.com/movies/
>> The next obvious step is to embed the ogg files in a web page, so you
>> can navigate the tutorials like you can with the Flash FLV versions.
>> As it is now, you have to click "back" to see the list, remember
>> which number you're on, and click the ogg button again.  A prev /
>> next nav is the safer way to travel.
>> Can anyone point me to an example of embedding ogg vorbis into a web
>> page so it'll stream on the XO?
>> Also, let me know your experience regarding volume levels.   All but
>> #6 seem too quiet to me, but I want other's input before I re-encode
>> them louder.  Could just be the B4 speakers, or the build I'm using.
>> If someone likes these enough to post them on an official XO link
>> page, I'll make an ogg only page just for the XO.
>> Thanks,
>> Tim
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