Theora (English Wikipedia)

Mike Melanson (mike at multimedia.cx) (8 December 2004), VP3 Bitstream Format and Decoding Process, Multimedia.cx, archived from the original on 6 January 2013, retrieved 27 September 2009
Halbach, Till (March 2009). "Dirac and Theora vs. H.264 and Motion JPEG2000". Archived from the original on 7 July 2012. Retrieved 22 April 2008.
Bugreport: Wish for audio/video element support in Konqueror, 13 May 2007, archived from the original on 28 December 2012, retrieved 2 December 2009

chromestatus.com (Global: low place; English: low place)

"Deprecate and remove Theora support. – Chrome Platform Status". chromestatus.com. Retrieved 24 October 2023.

chromium.org (Global: 7,618^th place; English: 5,519^th place)

issues.chromium.org

"Chromium". issues.chromium.org. Retrieved 8 September 2025.

cnet.com (Global: 272^nd place; English: 225^th place)

cnet.com

Stephen Shankland (1 September 2015). "Tech giants join forces to hasten high-quality online video". CNET. Retrieved 19 May 2025.
Shankland, Stephen (28 May 2009), Google Chrome gets HTML video support, cnet news, archived from the original on 21 August 2023, retrieved 19 May 2025

news.cnet.com

Mariano, Gwendolyn (7 August 2001). "On2's video codec to go open-source". CNET.

code.google.com (Global: 4,942^nd place; English: 4,061^st place)

Issue 16657: Ensure FFmpeg binaries end up in snapshots on all platforms, Google Chromium, 14 July 2009, retrieved 6 February 2010

doom9.org (Global: low place; English: low place)

"MPEG-4 Codec shoot-out 2002 – 1st installment". Doom9. 2002. Archived from the original on 23 February 2008. Retrieved 19 May 2025.
Codec shoot-out 2005 – Qualification, Doom9, 2005, archived from the original on 31 December 2007, retrieved 19 December 2007

etill.net (Global: low place; English: low place)

Halbach, Till (March 2009). "Dirac and Theora vs. H.264 and Motion JPEG2000". Archived from the original on 7 July 2012. Retrieved 22 April 2008.

fsf.org (Global: 8,472^nd place; English: 7,926^th place)

"PlayOgg! – FSF – Free Software Foundation". 17 March 2010. Retrieved 19 May 2025.

groups.google.com (Global: 1,518^th place; English: 1,072^nd place)

"Intent to Ship: Deprecate and remove Theora support". groups.google.com. Retrieved 1 November 2023.

gstreamer.freedesktop.org (Global: low place; English: low place)

gstreamer.freedesktop.org. "theora". Retrieved 19 May 2025.
gstreamer.freedesktop.org. "GStreamer Base Plugins 0.10 Plugins Reference Manual – Theora plugin library". Retrieved 23 October 2009.

internetnews.com (Global: low place; English: 8,800^th place)

InternetNews.com (24 June 2002) On2 Throws More Open-Source at MPEG-4, Retrieved on 16 August 2009

kde.org (Global: 8,253^rd place; English: 6,484^th place)

bugs.kde.org

Bugreport: Wish for audio/video element support in Konqueror, 13 May 2007, archived from the original on 28 December 2012, retrieved 2 December 2009

forum.kde.org

Plans for Konqueror 4.4, 26 November 2009, archived from the original on 17 July 2011, retrieved 2 December 2009

linux.com (Global: low place; English: 7,194^th place)

Linux.com (23 June 2002) Ogg Vorbis, VP3 combining forces to create Open Source multimedia package, Retrieved on 2009-08-16

matroska.org (Global: low place; English: low place)

"Matroska Codec Specs". Matroska. Retrieved 19 May 2025.

mit.edu (Global: 415^th place; English: 327^th place)

web.mit.edu

Montgomery, Chris. "Theora "the push for 1.0" update". Retrieved 19 December 2007.
Blizzard, Christopher. "Theora Update 7 May 2009". Retrieved 10 May 2009.

mozilla.com (Global: low place; English: low place)

mozilla.com

Mozilla Corporation (30 June 2009), Mozilla Firefox 3.5 Release Notes, Mozilla Corporation, retrieved 11 October 2009
Mozilla Corporation (9 February 2010), Firefox Mobile Features, Mozilla Corporation, retrieved 9 February 2010

hacks.stage.mozilla.com

Blizzard, Christopher (15 June 2009). "open video codecs and quality". hacks.mozilla.org. Archived from the original on 25 February 2010. Retrieved 24 August 2025.

mozilla.org (Global: 1,686^th place; English: 1,293^rd place)

bugzilla.mozilla.org

"1860492 - Investigate removing Theora support". bugzilla.mozilla.org. Retrieved 8 September 2025.
"1860492 – Investigate removing Theora support". bugzilla.mozilla.org. Retrieved 1 November 2023.

wiki.mozilla.org

MozillaWiki (18 March 2009), Firefox3.5/Features, MozillaWiki, retrieved 11 October 2009

developer.mozilla.org

"Firefox 126 for developers". developer.mozilla.org. Retrieved 21 January 2025.

multimedia.cx (Global: low place; English: low place)

Mike Melanson (mike at multimedia.cx) (8 December 2004), VP3 Bitstream Format and Decoding Process, Multimedia.cx, archived from the original on 6 January 2013, retrieved 27 September 2009

ohloh.net (Global: low place; English: low place)

ohloh. "libtheora". ohloh. Archived from the original on 10 October 2010. Retrieved 25 September 2009.

on2.com (Global: low place; English: low place)

On2 (17 May 2000), On2.com Launches Next Generation of Revolutionary Broadband Video Technology, archived from the original on 3 December 2007{{citation}}: CS1 maint: numeric names: authors list (link)
On2 (16 August 2000), On2 Introduces TrueMotion VP3.2, archived from the original on 3 December 2007, retrieved 23 August 2010{{citation}}: CS1 maint: numeric names: authors list (link)
On2 (7 August 2001), On2 Technologies to Open Source VP3.2 Video Compression Technology (archived website), archived from the original on 3 December 2007{{citation}}: CS1 maint: numeric names: authors list (link)
On2 (7 September 2001), On2 Technologies Makes Video Compression Technology Available to Open-Source Community, archived from the original on 7 December 2007{{citation}}: CS1 maint: numeric names: authors list (link)
"VP3 Combines with Vorbis to Create First Open-Source Multimedia Platform", On2, 24 June 2002, archived from the original on 3 December 2007
On2 (3 October 2002), On2 and Xiph Announce Alpha Code Release of Theora, VP3-Vorbis-Based Multimedia Solution, archived from the original on 4 December 2007{{citation}}: CS1 maint: numeric names: authors list (link)

opera.com (Global: 6,731^st place; English: 5,817^th place)

my.opera.com

Jägenstedt, Philip (31 December 2009). "(re-)Introducing <video> – Official blog for Core developers at Opera". Opera. Archived from the original on 4 January 2010. Retrieved 2 January 2010.
Arjan van Leeuwen (31 December 2009). "Happy New Year! – Official blog for Core developers at Opera". Opera. Archived from the original on 4 January 2010. Retrieved 2 January 2010.
Experimental Opera-video build with native Ogg Theora support, Opera, 25 April 2007, archived from the original on 2 December 2007, retrieved 11 October 2009

dev.opera.com

A call for video on the web – Opera <video> release on Labs, Opera, 7 November 2007, retrieved 11 October 2009

osnews.com (Global: low place; English: low place)

Loli-Queru, Eugenia (12 December 2007). "Theora vs. h.264". OSNews. Retrieved 19 May 2025.

phoronix.com (Global: 4,683^rd place; English: 3,096^th place)

Larabel, Michael (29 October 2023). "Google Chrome To Remove Theora Video Codec Support". Phoronix. Retrieved 1 November 2023.
"Mozilla Eyes Removal Of Theora Support In Firefox". www.phoronix.com. Retrieved 1 November 2023.
Larabel, Michael (7 December 2023). "Chrome 120 Released With Theora Support Evaporating, Adds WebGPU & CSS Improvements". www.phoronix.com. Retrieved 9 December 2023.

seamonkey-project.org (Global: low place; English: low place)

Kaiser, Robert (16 September 2009), What's New in SeaMonkey 2.0 Beta 2, seamonkey-project.org, retrieved 19 May 2025

softsailor.com (Global: low place; English: low place)

Google Chrome to support HTML 5 video, SoftSailor, 28 May 2009, archived from the original on 3 October 2009, retrieved 11 October 2009

sourceforge.net (Global: 1,669^th place; English: 1,290^th place)

sourceforge.net

"ffdshow Summary". 10 March 2019. Retrieved 19 May 2025.
"Ogg Video Tools - Browse Files at SourceForge.net". sourceforge.net. Retrieved 6 November 2022.

ffdshow-tryout.sourceforge.net

"Theora in .ogg no only .avi – ffdshow tryouts Forum". 15 January 2008. Retrieved 23 October 2009.

streamingmedia.com (Global: low place; English: low place)

Bernat, Bill (7 September 2001). "On2 Offers Up VP3.2 Source Code". StreamingMedia.com.

thefreelibrary.com (Global: 518^th place; English: 331^st place)

"On2 Alters Licensing Terms for VP3; Company Responds to Open Source Community Demands" (Press release). On2 Technologies. 28 March 2002. Archived from the original on 4 December 2010. Retrieved 16 August 2009.
The Free Library (1 August 2002) On2 Signs Pact With Xiph.org to Develop/Support VP3, Retrieved on 16 August 2009

theora.org (Global: low place; English: low place)

"Theora Specification" (PDF). Xiph.Org Foundation. 3 June 2017. Retrieved 19 May 2025.
"Theora 1.2.0 beta 1". Xiph.Org Foundation. Retrieved 16 March 2025.
Theora.
Xiph.Org Foundation. "libtheora Documentation 1.1.0". Xiph.Org Foundation. Retrieved 25 September 2009.
"Theora FAQ". Xiph.Org Foundation. Retrieved 6 August 2009.
Xiph.org FAQ – Theora and VP3. Retrieved 2 September 2009
Xiph.Org Foundation (3 June 2017). "Theora Specification" (PDF). Xiph.Org Foundation. p. 1.
Xiph.Org Foundation (24 September 2009), Theora.org : news, Xiph.Org Foundation, retrieved 19 May 2025
Xiph.Org Foundation (17 September 2004). "Theora I Specification, Xiph.org Foundation, September 17, 2004" (PDF). Archived from the original (PDF) on 28 September 2004. Retrieved 26 September 2009.

v2v.cc (Global: low place; English: low place)

"ffmpeg2theora". v2v.cc. Archived from the original on 11 March 2008. Retrieved 2 June 2009.

web.archive.org (Global: 1^st place; English: 1^st place)

"Theora FAQ". Xiph.org. 2016. Archived from the original on 26 September 2020. Retrieved 1 December 2021.
ohloh. "libtheora". ohloh. Archived from the original on 10 October 2010. Retrieved 25 September 2009.
On2 (17 May 2000), On2.com Launches Next Generation of Revolutionary Broadband Video Technology, archived from the original on 3 December 2007{{citation}}: CS1 maint: numeric names: authors list (link)
On2 (16 August 2000), On2 Introduces TrueMotion VP3.2, archived from the original on 3 December 2007, retrieved 23 August 2010{{citation}}: CS1 maint: numeric names: authors list (link)
On2 (7 August 2001), On2 Technologies to Open Source VP3.2 Video Compression Technology (archived website), archived from the original on 3 December 2007{{citation}}: CS1 maint: numeric names: authors list (link)
On2 Technologies (2001), VP3.2 Public License 0.1, Xiph.Org Foundation, archived from the original on 4 April 2016, retrieved 10 February 2008{{citation}}: CS1 maint: numeric names: authors list (link)
On2 (7 September 2001), On2 Technologies Makes Video Compression Technology Available to Open-Source Community, archived from the original on 7 December 2007{{citation}}: CS1 maint: numeric names: authors list (link)
"On2 Alters Licensing Terms for VP3; Company Responds to Open Source Community Demands" (Press release). On2 Technologies. 28 March 2002. Archived from the original on 4 December 2010. Retrieved 16 August 2009.
"VP3 Combines with Vorbis to Create First Open-Source Multimedia Platform", On2, 24 June 2002, archived from the original on 3 December 2007
On2 (3 October 2002), On2 and Xiph Announce Alpha Code Release of Theora, VP3-Vorbis-Based Multimedia Solution, archived from the original on 4 December 2007{{citation}}: CS1 maint: numeric names: authors list (link)
Xiph.Org Foundation (17 September 2004). "Theora I Specification, Xiph.org Foundation, September 17, 2004" (PDF). Archived from the original (PDF) on 28 September 2004. Retrieved 26 September 2009.
"MPEG-4 Codec shoot-out 2002 – 1st installment". Doom9. 2002. Archived from the original on 23 February 2008. Retrieved 19 May 2025.
Codec shoot-out 2005 – Qualification, Doom9, 2005, archived from the original on 31 December 2007, retrieved 19 December 2007
Maxwell, Greg (13 June 2009). "YouTube / Ogg/Theora comparison". Xiph.Org Foundation. Archived from the original on 9 July 2009. Retrieved 10 August 2009.
Merten, Maik (15 June 2009). "Another online-video comparison". Xiph.Org Foundation. Archived from the original on 9 July 2009. Retrieved 10 August 2009.
Blizzard, Christopher (15 June 2009). "open video codecs and quality". hacks.mozilla.org. Archived from the original on 25 February 2010. Retrieved 24 August 2025.
Google Chrome to support HTML 5 video, SoftSailor, 28 May 2009, archived from the original on 3 October 2009, retrieved 11 October 2009
Shankland, Stephen (28 May 2009), Google Chrome gets HTML video support, cnet news, archived from the original on 21 August 2023, retrieved 19 May 2025
Plans for Konqueror 4.4, 26 November 2009, archived from the original on 17 July 2011, retrieved 2 December 2009
Jägenstedt, Philip (31 December 2009). "(re-)Introducing <video> – Official blog for Core developers at Opera". Opera. Archived from the original on 4 January 2010. Retrieved 2 January 2010.
Arjan van Leeuwen (31 December 2009). "Happy New Year! – Official blog for Core developers at Opera". Opera. Archived from the original on 4 January 2010. Retrieved 2 January 2010.
Experimental Opera-video build with native Ogg Theora support, Opera, 25 April 2007, archived from the original on 2 December 2007, retrieved 11 October 2009
"ffmpeg2theora". v2v.cc. Archived from the original on 11 March 2008. Retrieved 2 June 2009.

whatwg.org (Global: 8,307^th place; English: 5,922^nd place)

lists.whatwg.org

DiBona, Chris (13 June 2009). "H.264-in-<video> vs plugin APIs". whatwg (Mailing list). Retrieved 19 May 2025.

xiph.org (Global: low place; English: low place)

lists.xiph.org

Giles, Ralph (1 June 2004). "Theora I bitstream freeze". theora-dev (Mailing list). Retrieved 19 May 2025.
Seibert, Stan (September 2001). "VP3.2 video codec open sourced". vorbis (Mailing list).
Giles, Ralph (3 November 2008). "Theora 1.0 final release!". theora-dev (Mailing list). Retrieved 4 November 2008.
Giles, Ralph (24 September 2009). "libtheora 1.1 (Thusnelda) stable release". theora-dev (Mailing list). Retrieved 19 May 2025.
Cutka, Milan (4 October 2002). "Theora support in ffdshow a ffvfw". theora-dev (Mailing list).

xiph.org

"Theora FAQ". Xiph.org. 2016. Archived from the original on 26 September 2020. Retrieved 1 December 2021.
"Theora 1.2.0 release". Xiph.Org Foundation. Retrieved 29 March 2025.
"The Xiph.Org Foundation announces the release of Theora 1.0" (Press release). Xiph.Org Foundation. 3 November 2008. Retrieved 19 May 2025.

svn.xiph.org

Xiph.org libtheora license (Subversion – Trunk), Retrieved on 16 August 2009
Xiph.org VP32 codec license (Subversion – Trunk), Retrieved on 16 August 2009
"Xiph Subversion repository: trunk/theora-fpga". Xiph.Org Foundation. Retrieved 10 August 2009.

people.xiph.org

Monty (18 May 2010). "Theora: Ptalarbvorm project update 20100518". Retrieved 1 July 2010.
Maxwell, Greg (13 June 2009). "YouTube / Ogg/Theora comparison". Xiph.Org Foundation. Archived from the original on 9 July 2009. Retrieved 10 August 2009.
Merten, Maik (15 June 2009). "Another online-video comparison". Xiph.Org Foundation. Archived from the original on 9 July 2009. Retrieved 10 August 2009.

trac.xiph.org

On2 Technologies (2001), VP3.2 Public License 0.1, Xiph.Org Foundation, archived from the original on 4 April 2016, retrieved 10 February 2008{{citation}}: CS1 maint: numeric names: authors list (link)

gitlab.xiph.org

"CHANGES file". Retrieved 19 May 2025.

wiki.xiph.org

"XiphWiki: Theora Hardware". Xiph.Org Foundation. Retrieved 10 August 2009.

Theora (English Wikipedia)

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