similar to: alghorithm of working encoder in libtheora

I just want to warn people that want to use the new hashing algorithm for mangled names. And that note should also be put in the man page IMO. You must understand that changing the hashing algorithm on a production server may have unwanted side effects (this is why we maintain by default hash and not hash2 and why it was not back ported to 2.2 initially). Windows clients may save all around

Hello I would like to ask if it's possible to display Theora logo at http://ronja.twibright.com/sw.php I use Theora for automatically generated videos at http://ronja.twibright.com/3d/ If yes can I please have the master of the logo? I cannot use the small logo you have on the website. Thanks, Karel Kulhavy

Hi people, As I said before: I did the IDCT to run on the FPGA. My friends from university did the Reconstruction routines running on the FPGA. I'm helping with the LoopFilter, and it is almost there. (all VHDL) I did a small profiling of the libTheora running on a Altera Stratix II device: The processor used was the NIOS II with 8Kb of data and instruction cache, branch prediction and

Hi all, Just a stupid question The IDctSlow function on file idct.c has this line : ip[0] = (ogg_int16_t)((_Gd + _Cd ) >> 0); The ip[0] , _Gd and _Cd are of type ogg_int32_t My question is: The result of (_Gd + _Cd) can be a number with more than 16 bits ? (yes, it can be because they are int32, but the algorithm could guarantee something about that... I dont know...) If

Our discussion in the "Theora Camcorder" thread has been great, but I didn't see a direction evolve for action yet. So, I'd like to propose the creation of a community website that will be focused specifically on this kind of thing, partnered with the Xiph Foundation. I'm also more than happy to host said website, as I have more than ample server capacity for that. I just

Hi, just a small follow up of recent discussions about Elphel's JP4 format. I'm working with Andrey and fellows from Elphel to improve support for JP4 format in the context of Elphel's Apertus project (http://www.apert.us). As posted by Basil, on http://wiki.elphel.com/index.php?title=JP4 there is plenty of information about the format and how to post process it to get back your real

Hello, I'm happy to announce I developed a Multi-Threaded version of the Theora encoder. I changed the Motion Vector Search part of the algorithm to be executed in parallel. I've chosen the Motion search part after a careful set of profilings that shown that the Motion Vector Search is responsible by 70% of CPU-time on average and up to 95% of CPU-time in some cases. I also have chosen

I'm considering implementing the Theora format in the FPGA of the new camera. The previous model (Elphel 313 - http://www.elphel.com, https://sourceforge.net/projects/elphel) had smaller FPGA and was able to produce just motion JPEG utilizing 97% of the resources. The new (model 333) camera uses 3 times bigger FPGA (and also faster), it also has increased frame buffer and system memory.

I'm considering implementing the Theora format in the FPGA of the new camera. The previous model (Elphel 313 - http://www.elphel.com, https://sourceforge.net/projects/elphel) had smaller FPGA and was able to produce just motion JPEG utilizing 97% of the resources. The new (model 333) camera uses 3 times bigger FPGA (and also faster), it also has increased frame buffer and system memory.

Conrad, Small buglet with the 0.9.1 liboggz release (go dude!) http://thaumas.net/~giles/xiph/elphel/clips/elphel_00017.ogg causes a float exception in oggzinfo when it tries to calculate the bitrate. It fails to measure the duration and tries to divide by zero. :) There may well be something wrong with the file, although oggz-validate doesn't complain. Also, the configure script

Is there a way to use multi-threading with ffmpeg2theora? Pretty much any type i'm ok with, including multi-threaded theora encoding or multi-threaded ffmpeg decoding, or using half of my cpu cores on ffmpeg decoding and the other half on theora encoding. Is there a way to do multithreaded thoera encoding? -------------- next part -------------- An HTML attachment was scrubbed... URL:

Are there any academic papers that promote theora? I know of one, are there more? Universal Multimedia Access and Open Standards <http://www.t4p.no/t4p.no/conference/media/Vaaler.pdf> tom_a_sparks Please avoid sending me Word or PowerPoint attachments. but instead use OpenDocument File Formats or use OpenOffice http://en.wikipedia.org/wiki/OpenDocument

Hi list, I just came across this site: http://web.mit.edu/xiphmont/Public/theora/demo.html I was wondering are these issues being addressed or will be addressed before the 1.0 release? Theora is like the only open sourced free code people can use, i will be nice if it performs close to other libs. please keep up the good work! -------------- next part -------------- An HTML attachment was

Great news! Theora is running on FPGA. After almost a year of a great effort we have Theora validated on FPGA. Now I will try to integrated the hardware with a video controller to see the video! I completely implemented the ExpandBlock, CopyRecon, LoopFilter and UpdateUMVBorder functions. The ReconRefFrames function was partially implemented and the part before will run on a software compiled

Raphael, Some 15 years ago I implemented limited functionality Theora in our cameras FPGA (it took me 6 month of hard labor), and then gave up - it is a very crowded space and it is difficult to compete with more advanced codecs. And for our other work we anyway need almost raw image data, so we are using JPEG-based JP4 format (https://community.elphel.com/jp4) that we originally developed for

Dear Theora/Xiph folk, * FOSS Codecs for Online Video: Usability, Uptake and Development - First Draft* A review of available tools for the creation, playback and embedding of online video using Free and Open Source Software video codecs and a look at the most pressing areas for development to enhance their adoption by social change video projects on the web.

Dear Theora/Xiph folk, * FOSS Codecs for Online Video: Usability, Uptake and Development - First Draft* A review of available tools for the creation, playback and embedding of online video using Free and Open Source Software video codecs and a look at the most pressing areas for development to enhance their adoption by social change video projects on the web.

Can Theora be streamed IP Multicasting? Can Cortado support IP multicast? if not, could some add IP multicasting to Cortado? Find a better answer, faster with the new Yahoo!7 Search. www.yahoo7.com.au/search

hi, i was trying to enable the mmx code on mac os x. to get to that point one has to replace some inline assembler code: .balign 16 -> .p2align 4 and replace .rept .. .endr with #defines. but to makes things more complicated apple's GAS does not support movsx instructions and thus the following line does not work: " movsx %%di, %%edi \n\t" [ more details at

Hi Andrey, Thank you for your answer.Actually, NHW is very low-power so I think it could be geared toward any hardware.But actually I don't have hardware skills, so NHW is not a real hardware project for now maybe? I agree with you that it is extremely difficult (for me) to build a community around NHW, I'm certainly very bad/underskilled at it.Any help is welcome! Cheers, Raphael Le