[theora] Re: [theora-dev] FOSS Codecs for Online Video: Usability, Uptake and Development - First Draft

anna at engagemedia.org anna at engagemedia.org
Tue Sep 18 18:41:48 PDT 2007


Thanks everyone for your input on and offlist, I have included these as 
notes on our wiki and will develop some info on each area in the coming 
weeks. I look forward to releasing another draft of the report with 
these and any other inclusions :)


> On 9/18/07, Felipe Portavales Goldstein <portavales at gmail.com> wrote:
>> On the topic "Future of Web Video"
>> You say:
>> "Mobile devices often use hardware decoders rather than software
>> decoders to playback video due to the relatively smaller capacity of
>> the processor."
>> "Ogg Theora/Vorbis does have the potential to be supported by mobile
>> devices using the software decoder, but it remains to be seen what the
>> degree of uptake of this will be."
>> Actually, we are developing a Theora Hardware decoder solution aimed
>> to mobile/embedded devices.
>> The solution already works using our open source hardware design
>> integrated with the LEON processor (an open source processor).
>> We are capable to decode Theora streams in real-time (20 FPS) up to
>> 600 Kbps  running on an FPGA at 50 MHz.
>> The video resolution is still very limited, but we are hard-working to
>> improve the resolution using a different memory hierarchy in our
>> hardware decoder.
>> I believe that we will be able to decode high resolution video streams
>> in the near future, with a complete open source hardware platform.
>> The hardware theora source code are located on the Xiph SVN:
>> http://svn.xiph.org/trunk/theora-fpga/theora_hardware/
>> Cheers,
>> Felipe
>> On 9/18/07, anna at engagemedia.org <anna at engagemedia.org> wrote:
>>> 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.
>>> http://wiki.transmission.cc/index.php/FOSS_Codecs_For_Online_Video:_Usability%2C_Uptake_and_Development
>>> I have been writing this report into FOSS Video Codecs for the last few
>>> months for the Transmission network of online video projects for social
>>> change.
>>> http://transmission.cc
>>> A version in PDF (see below) is also available for reading offline here:
>>> http://www.engagemedia.org/Members/anna/FOSS_Codecs_For_Online_Video_1_1.pdf
>>> I would rather have feedback into a second draft from the Transmission
>>> network before distributing the report too widely, to ensure the report
>>> benefits from all our knowledge and reflects the needs of the network.
>>> But I thought people on this list might like to take a look at the draft
>>> and let me know what is missing or pitch in with some different
>>> opinions. It is a set of practical recommendations for projects within
>>> our network and beyond, rather than an academic report.
>>> The recommendations cover codecs and containers, player and transcoding
>>> software, server-side transcoding, embedded playback, support of FOSS
>>> codecs in popular CMSs and the development of a transcoder/uploader client.
>>> The report PDF has some formatting errors and I'd prefer to distribute
>>> it in an open format - but I can't find a good solution for exporting
>>> from MediaWiki - please let me know if anyone has any ideas on this.
>>> Cheers,
>>> Anna
>>> http://EngageMedia.org
>>> http://Plumi.org
>>> _______________________________________________
>>> theora-dev mailing list
>>> theora-dev at xiph.org
>>> http://lists.xiph.org/mailman/listinfo/theora-dev
>> --
>> ________________________________________
>> Felipe Portavales Goldstein <portavales at gmail>
>> Undergraduate Student - IC-UNICAMP
>> Computer Systems Laboratory
>> http://www.students.ic.unicamp.br/~ra023772/

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