Daala: Difference between revisions
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* [[Intra|Intra-prediction within Daala]] | * [[Intra|Intra-prediction within Daala]] | ||
* [[Videos|Digital Primers]] - educational videos about audio/video technology | * [[Videos|Digital Primers]] - educational videos about audio/video technology | ||
== | == Communication == | ||
You are '''encouraged''' to join the | You are '''encouraged''' to join the | ||
* [irc://irc.freenode.net/daala '''#daala''' IRC channel at freenode.net] | * [irc://irc.freenode.net/daala '''#daala''' IRC channel at freenode.net] - if you don't have an IRC client, you can use Freenode's '''[https://webchat.freenode.net/?channels=%23daala webchat]''' instead. | ||
* [http://lists.xiph.org/mailman/listinfo/daala Daala Email List] | * [http://lists.xiph.org/mailman/listinfo/daala Daala Email List] | ||
=== Weekly Meetings === | |||
You are also welcome to attend the [[Daala Weekly Meetings|weekly progress meetings]] by installing and using [http://wiki.mumble.info Mumble].<br /> | You are also welcome to attend the [[Daala Weekly Meetings|weekly progress meetings]] by installing and using [http://wiki.mumble.info Mumble].<br /> | ||
The address is '''mf4.xiph.org''' and the port is '''64738''' (you can run '''mumble://mf4.xiph.org:64738''' within your browser as a shortcut).<br /> | The address is '''mf4.xiph.org''' and the port is '''64738''' (you can run '''mumble://mf4.xiph.org:64738''' within your browser as a shortcut).<br /> | ||
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The meeting agenda can be found at '''[https://daala.etherpad.mozilla.org/weekly-meeting this Etherpad]'''. | The meeting agenda can be found at '''[https://daala.etherpad.mozilla.org/weekly-meeting this Etherpad]'''. | ||
== | === Other === | ||
* [http://forum.doom9.org/showthread.php?t=168004 Doom9 Forum discussion] - generic forum thread regarding Daala | |||
* [https://daala.etherpad.mozilla.org/ep/padlist/all-pads Daala Etherpads] - you can [https://daala.etherpad.mozilla.org/ep/account/request-account request a free account] to view these. You should receive access within a few days. | |||
* [http://benjamin.smedbergs.us/weekly-updates.fcgi/project/daala Daala Project Status Board] - what Daala bits the Mozilla people are working on | |||
== Coding == | |||
You can get a copy of the latest Daala Source Code from [https://git.xiph.org/?p=daala.git;a=summary '''git.xiph.org'''] or [https://github.com/xiph/daala '''GitHub''']. Please stick to the '''[https://git.xiph.org/?p=daala.git;a=blob_plain;f=doc/coding_style.html Coding Style Guide]'''. | You can get a copy of the latest Daala Source Code from [https://git.xiph.org/?p=daala.git;a=summary '''git.xiph.org'''] or [https://github.com/xiph/daala '''GitHub''']. Please stick to the '''[https://git.xiph.org/?p=daala.git;a=blob_plain;f=doc/coding_style.html Coding Style Guide]'''. | ||
* [https://review.xiph.org/all?limit=100 Xiph Code Reviews] - there is a proposal on the review process '''[[DaalaReview|here]]''' | * [https://review.xiph.org/all?limit=100 Xiph Code Reviews] - there is a proposal on the review process '''[[DaalaReview|here]]''' | ||
* [https://github.com/xiph/daala/issues Daala's issues] - Issue/bug tracker on Github | * [https://github.com/xiph/daala/issues Daala's issues] - Issue/bug tracker on Github | ||
== Demos == | == Demos == | ||
* [https://people.xiph.org/~xiphmont/demo/ Monty's Demo Pages] - explanations on certain techniques used in Daala | |||
* [https://people.xiph.org/~xiphmont/demo/daala/player-demo.shtml Daala Video Player] - an example implementation of a Daala decoder and player, ported to Javascript using [https://github.com/kripken/emscripten Emscripten]. | * [https://people.xiph.org/~xiphmont/demo/daala/player-demo.shtml Daala Video Player] - an example implementation of a Daala decoder and player, ported to Javascript using [https://github.com/kripken/emscripten Emscripten]. | ||
* [http://exp.martres.me/edi/ Edge-Directed Interpolation] ([https://github.com/smarter/edi source code]) | * [http://exp.martres.me/edi/ Edge-Directed Interpolation] ([https://github.com/smarter/edi source code]) | ||
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------- | ------- | ||
* 2012-01-24 [https://media.basilgohar.com/derf-talks/?C=M;O=A Introduction to Video Coding] - [https://people.xiph.org/~tterribe/pubs/lca2012/auckland/intro_to_video1.pdf Slides] (no video for slides 1-50) | * 2012-01-24 [https://media.basilgohar.com/derf-talks/?C=M;O=A Introduction to Video Coding] - [https://people.xiph.org/~tterribe/pubs/lca2012/auckland/intro_to_video1.pdf Slides] (no video for slides 1-50) | ||
== Other Websites == | |||
* [https://www.zazzle.com/daala_tee_shirt-235139149596175944 Daala T-shirts] - if you'd like a free one, help out with the project and ask the Mozilla guys nicely for one :-) | |||
* [https://www.xiph.org/donate/ Donate to Xiph.Org] | |||
* [[Daala_on_Wheels|Historical Daala wiki page]] | |||
[[Category:Daala]] | [[Category:Daala]] | ||
Revision as of 02:53, 2 July 2015
Daala is the codename for a new video compression technology.
The effort is a collaboration between the Mozilla Foundation, the Xiph.Org Foundation and any other contributors that wish to help.
The goal of the project is to provide a video format that's free to implement, use and distribute, and a reference implementation with technical performance superior to H.265.
Please see the links below or the main page for more information.
Wiki Pages
- Digital Primers - educational videos about audio/video technology
Communication
You are encouraged to join the
- #daala IRC channel at freenode.net - if you don't have an IRC client, you can use Freenode's webchat instead.
- Daala Email List
Weekly Meetings
You are also welcome to attend the weekly progress meetings by installing and using Mumble.
The address is mf4.xiph.org and the port is 64738 (you can run mumble://mf4.xiph.org:64738 within your browser as a shortcut).
The meetings occur on Tuesdays at 9AM Pacific Time (5PM UTC/GMT).
The meeting agenda can be found at this Etherpad.
Other
- Doom9 Forum discussion - generic forum thread regarding Daala
- Daala Etherpads - you can request a free account to view these. You should receive access within a few days.
- Daala Project Status Board - what Daala bits the Mozilla people are working on
Coding
You can get a copy of the latest Daala Source Code from git.xiph.org or GitHub. Please stick to the Coding Style Guide.
- Xiph Code Reviews - there is a proposal on the review process here
- Daala's issues - Issue/bug tracker on Github
Demos
- Monty's Demo Pages - explanations on certain techniques used in Daala
- Daala Video Player - an example implementation of a Daala decoder and player, ported to Javascript using Emscripten.
- Edge-Directed Interpolation (source code)
- More Edge-Directed Interpolation
- Intra-prediction
- Macroblock Coefficient Zigzag Graph - HTML page generated using tools/draw_zigzags.c from the Daala source code.
Documents
- Chroma from Luma (CfL)
- Perceptual Vector Quantisation (PVQ)
- Overlapped Block Motion Compensation (OBMC)
- C API Documentation
- Image Coding Thesis by Yushin Cho
- Maximising Coding Efficiency Through Block Rotation and why it won't work well within Daala
- JMSpeex' Journal of Dubious Theoretical Results - "take with an entire shaker-full of salt"
- Using Daala Intra Frames for Still Picture Coding
IETF Drafts
- Time-Domain Lapped Transforms (TDLT) - documents the Lapped Transform pre- and post-filters used for block-edge decorrelation
- Perceptual Vector Quantisation (PVQ) -
- Coding Tools - documents Entropy Coding, Integer Transforms and other techniques
- Internet Video Codec (NetVC) Requirements - explains what requirements and use cases Daala is trying to cater for
- Internet Video Codec (NetVC) Testing and Quality Measurement
- Example IPR Licence Terms
Presentations
- 2015-03-24 IETF 92 NetVC Meeting - Audio as Opus (29MB) or MP3 (119MB, action starts at 14:50) - Slides - Notes - Jabber Log
- 2015-02-11 SPIE talks:
- 2015-01-31 Daala Project Update at FOSDEM 2015 - summary - Slides
- 2015-01-14 Linux Conf 2015 - presentation summary - Slides
- 2014-09-16 Daala: Are We Compressed Yet?
- 2014-06-25 Sparsity Induced Prediction for Images and Video
- 2014-06-06 VP9 Summit (no video available) - Slides
- 2013-10-23 Opus and Daala: State of the Art Royalty-free Codecs - Slides
- 2013-09-30 Daala Coding Party 2 - Slides
- 2013-05-02 Tim Terriberry Presents Daala
- 2012-01-24 Introduction to Video Coding - Slides (no video for slides 1-50)
Other Websites
- Daala T-shirts - if you'd like a free one, help out with the project and ask the Mozilla guys nicely for one :-)
- Donate to Xiph.Org
- Historical Daala wiki page