[theora] ogg theora book sprint

Ralph Giles giles at xiph.org
Wed Jul 22 23:53:39 PDT 2009

On Wed, Jul 22, 2009 at 11:46 PM, shirish<shirishag75 at gmail.com> wrote:

> Does anybody have a link of pivitv homepage?


>>> Another topic of interest might be 'Theora hardware' (the Elphel 333
>>> camera was a good example of theora in hardware, but looks like it's
>>> discontinued :( )
> Any idea why it was discontinued ?

IIRC the camera cpu had trouble keeping up with the CRC overhead for
Ogg as well as network packet generation, and using non-standard tools
(rtp instead of Ogg encapsulation) made it difficult to interface
with. I believe the newer models have enough cpu bandwidth to handle

> Any idea if they would be doing it again now that the theora encoder
> is supposed to be better

The cameras used a hardware encoder running on an fpga. It's a
separate implementation from the libtheora encoder.


More information about the theora mailing list