search for: theoradev

Greetings, I was on IRC about 7 hours ago and suggested that the FAQ be updated slightly. Rather than sit on my ass and complain I figured I'd ask a few people, and see if the idea was worth the time. Here's what Ive started with: http://www.dimension.net.nz/theora.html I'll be adding to it over the next 24 hours - mostly in the area of Playback and Encoding. Just threw it together

I picked up the imported Feb 2005 issue of "Linux Format", in part for the Theora article...and I was pleasantly surprised to see my mouldering old "Ogg-Theora Micro-howto[1]" document referenced. I figured that meant people might still be finding it useful, so I felt it was time to dust it off and update it. I also noticed that archive.org now has a small but growing

Has anyone posted a data structure dump of one of the sample Theora files for use in verifying a new decoder? For example, the the loop filter limits I've decoded for the 320x240 example file are: Loop Filter Limits (6 bits per limit) 00: 37 26 11 39 3E 1C 1B 1E 08: 0D 0C 2A 0D 35 24 14 02 16: 22 39 38 34 3C 18 18 14 24: 0A 0A 09 0D 04 04 22 21 32: 11 31 20 20 30 10 10 00 40: 08 00 00 00

Is this the correct list for asking detailed questions about implementing the Theora specification? For example, I have questions about creating the quantization matrices. Should I go to the theora-dev mailing list instead, or is that a private list for Xiph?

Will there be a beta? Any comments on what will be in it in terms of capabilities and features? More specifically - I gather that "libogg2" is where most of the changes that will make up the eventual beta are being implemented - is there any information available about what those changes will accomplish/what capabilities they'll add? If/when they get released, will the updates

Has anyone posted a data structure dump of one of the sample Theora files for use in verifying a new decoder? For example, the the loop filter limits I've decoded for the 320x240 example file are: Loop Filter Limits (6 bits per limit) 00: 37 26 11 39 3E 1C 1B 1E 08: 0D 0C 2A 0D 35 24 14 02 16: 22 39 38 34 3C 18 18 14 24: 0A 0A 09 0D 04 04 22 21 32: 11 31 20 20 30 10 10 00 40: 08 00 00 00

I'm going to try documenting the various sections as I figure them out, in order to help others who are trying to implement the Theora CODEC. I'll go back and document the stuff I've already done, but I'm starting at the loop filter limits because that is where I ran into my first uncertainties. I found where libtheora did its loop filter limit decoding, and printed out the

The first error in CVS - fairly minor - is in the docs section: ---------------------------------------------------------------- make[1]: Entering directory `/tmp/temp/oggstuff/theora/doc' python txt2py.py spec.txt spec.py python txt2html.py spec.txt spec.html make[1]: *** No rule to make target `testspec.raw', needed by `all-am'. Stop.