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Old 29th March 2009, 16:58   #21  |  Link
bond
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anyone having info and what has been enhanced in this new version?
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Old 29th March 2009, 21:26   #22  |  Link
hellfred
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Quote:
Originally Posted by bond View Post
anyone having info and what has been enhanced in this new version?
Have a look at the commits of tterribe at https://trac.xiph.org/timeline for the latest change. I think it was manly refactoring of rate control stuff. Earlier improvements where documented by Monty in his set of reports for Red Hat mentioned here.
As a side node: AFAIK Tim Terriberry is to work fulltime on the Thusnelda codebase (blog).

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Old 30th March 2009, 19:23   #23  |  Link
bond
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Old 10th June 2009, 16:03   #24  |  Link
buzzqw
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i have update the autoffmpeg2theora gui

http://www.64k.it/andres/data/autoff...heora-v1.3.exe

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Old 10th June 2009, 18:23   #25  |  Link
iwod
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Wow.... i just want to say that Embedded Video with Theora inside Firefox works much better then my expectation. It feels it is part of the page and web.

I really hope some Magic will happen to Theora. It doesn't have to beat x264. But beating XVID will be good enough.
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Old 12th June 2009, 13:59   #26  |  Link
hellfred
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Originally Posted by iwod View Post
I really hope some Magic will happen to Theora. It doesn't have to beat x264. But beating XVID will be good enough.
If Theora manges to reach XVID quality, than that is a quite impressiv result. Do not forget that Theora can not make use of all the nice video compression technics, as it tries to avoid those covered by patents - and that are quite a lot of the relevant video coding technics...
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Old 12th June 2009, 17:27   #27  |  Link
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If Theora manges to reach XVID quality, than that is a quite impressiv result. Do not forget that Theora can not make use of all the nice video compression technics, as it tries to avoid those covered by patents - and that are quite a lot of the relevant video coding technics...
Theora doesn't "try" to avoid anything. In fact, the Software Freedom Law Center says that Theora being patent-free is completely made up:
Quote:
05:09 <mru> on2 has several patents
05:09 <mru> they licenced them to xiph
05:09 <BBB> on2 licensed them with sublicensing to xiph, right?
05:09 <BBB> but on2 is fine
05:09 <Dark_Shikari> the question though is if OTHERS exist
05:09 <BBB> they *know* there are
05:10 <BBB> they *know* some of the parties
05:10 <Dark_Shikari> and not all were licensed to xiph?
05:10 <BBB> exactly
05:10 <BBB> so the whole theora thing is a blowup
...
05:13 <DonDiego> BBB: the sflc told you which parties?
05:13 <DonDiego> own patents on theora i mean
05:14 <BBB> 2
05:15 <BBB> the question is whether they will enforce them
05:15 <mru> BBB: no, that's not the question
05:15 <mru> stealing is illegal, even if you get away with it
05:16 <mru> same for patent infringement
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Old 12th June 2009, 17:56   #28  |  Link
hellfred
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Theora doesn't "try" to avoid anything. In fact, the Software Freedom Law Center says that Theora being patent-free is completely made up:
I am not sure if I got you right. On2 has licenced patent technics for VP3.2 but has not sublicenced those to xiph?
Is it known, when these patents will expire?
DonDiego is from FFmpeg.
Is mru = Måns Rullgård
Who is BBB?
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Old 12th June 2009, 18:04   #29  |  Link
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I am not sure if I got you right. On2 has licenced patent technics for VP3.2 but has not sublicenced those to xiph?
No, On2 is not the only company that owns patents on VP3. It sublicensed all of the patents that it owned to Xiph. However, at least two other companies own VP3 patents and have not sublicensed them to Xiph.
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Old 12th June 2009, 19:49   #30  |  Link
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Dark Shikari> Do you know what are those 2 patents and who owns them? Are they valid?
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Old 12th June 2009, 20:02   #31  |  Link
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Dark Shikari> Do you know what are those 2 patents and who owns them? Are they valid?
I didn't say "two patents," I said "two other companies which own patents." You'd have to ask the SFLC for specifics, I assume.
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Old 13th June 2009, 03:06   #32  |  Link
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Since we are on the topic, is Software Patents only available in US. Personally i think it is the stupidest idea.....
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Old 14th June 2009, 07:51   #33  |  Link
hellfred
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No, On2 is not the only company that owns patents on VP3. It sublicensed all of the patents that it owned to Xiph. However, at least two other companies own VP3 patents and have not sublicensed them to Xiph.
Thank you for clearing that up. I hope that xiph can sort out that problem and we really do have a codec in the MPEG4-ASP class with less to no restrictions.
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Old 14th June 2009, 21:36   #34  |  Link
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Slashdot's now citing the discredited PSNR test as part of a thread about how Theora is every bit as good as H.264.

http://tech.slashdot.org/story/09/06...64-With-Theora

Citing this example:
http://people.xiph.org/~greg/video/y...omparison.html

Which is...problematic.
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Old 14th June 2009, 21:40   #35  |  Link
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Any GUI for this codec (like MeGUI) that I can use to try it out?
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Old 15th June 2009, 00:29   #36  |  Link
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Any GUI for this codec (like MeGUI) that I can use to try it out?
Yep, see post #26 above .

http://forum.doom9.org/showpost.php?...7&postcount=26

You can then download the latest ffmpeg2theora build and use them together.

Theora's definitely getting better. Although it's hard to say exactly what it's doing for rate control without any kind of VBV constraint; seems like it's some kind of 1-pass ABR?
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Old 15th June 2009, 01:23   #37  |  Link
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Yep, see post #26 above .

http://forum.doom9.org/showpost.php?...7&postcount=26

You can then download the latest ffmpeg2theora build and use them together.

Theora's definitely getting better. Although it's hard to say exactly what it's doing for rate control without any kind of VBV constraint; seems like it's some kind of 1-pass ABR?
Many thanks for the info.

I have done everything including pressing the start button but it doesn't seem to work. Btw, I use both normal and experimental Thusnelda from here:

http://v2v.cc/~j/ffmpeg2theora/download.html

None of them working. Anyone please advice.

Last edited by nakTT; 15th June 2009 at 06:52.
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Old 15th June 2009, 07:10   #38  |  Link
buzzqw
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add work to queue and past here the line

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Old 15th June 2009, 08:48   #39  |  Link
buzzqw
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update the ffmpeg2theora gui

http://www.64k.it/andres/data/autoff...heora-v1.4.exe

fixed some audio detection issue
other minor bug fix

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Old 15th June 2009, 09:06   #40  |  Link
nakTT
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add work to queue and past here the line

BHH
Done that in my previous attempt but nothing happen.

Code:
"C:\Users\My\Desktop\Theora\ffmpeg2theora-0.24.exe" -o "C:\Users\My\Desktop\111.ogv" -V 0 --optimize -x 576 -y 432 --aspect 1.3333 -A 24 -c 2 --audiostream  "Z:\Movies\Test.avi"
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