Daala
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
Project Communication
You are encouraged to join the
You are also welcome to attend the weekly progress meetings using Mumble. The address is mf4.xiph.org and the port is 64738.
They occur on Tuesdays at 9AM Pacific Time (5PM UTC/GMT).
Websites
You can get a copy of the latest Daala Source Code from git.xiph.org or GitHub.
- Xiph Code Reviews - there is a proposal on the review process here
- Monty's Demo Pages - explanations on certain techniques used in Daala
- Daala's issues - Issue/bug tracker on Github
- Daala Project Status Board - what Daala bits the Mozilla people are working on
- Daala Etherpads - you can request a free account to view these. You should receive access within a few days.
- Daala T-shirts - if you'd like a free one, help out with the project and ask the Mozilla guys nicely for one :-)
- Doom9 Forum discussion - generic forum thread regarding Daala
JavaScript Demos
- Daala Video Player
- Edge-Directed Interpolation - source code
- More Edge-Directed Interpolation
- Intra-prediction
Documents
- Chroma from Luma (CfL)
- C API Documentation
- Maximising Coding Efficiency Through Block Rotation and why it won't work well within Daala
- Image Coding Thesis by Yushin Cho
IETF Drafts
- Time-Domain Lapped Transforms (TDLT)
- Perceptual Vector Quantisation (PVQ) - there is also a PDF file
- Coding Tools - entropy coding, integer transforms etc.
- Internet Video Codec (NetVC) Requirements
- 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)