Source of AV1

[[Video]] >  [[AOMedia]] > [[AV1]] > [[AV2]]

- https://aomedia.googlesource.com/av1-spec/+/master/05.decoding.overview.md
- https://ja.wikipedia.org/wiki/AOMedia_Video_1
- https://github.com/AOMediaCodec/av1-spec/

--  https://aomedia.googlesource.com/aom/+/master/tools/dump_obu.cc

- AV1 specification を読む 2018-03-26 .. 04-17
--  https://qiita.com/srmfsan/items/601d3fdb9c160e986ab2

- [[AVIF]]: AV1 Still Umage File Format  (提案されている静止画フォーマット。HEIFコンテナ)

- [[AV1/RTP]]
- [[AV1/PatentPool]] ([[SISVEL]]) (特許問題)

* バイナリ形式 [#binary]

- https://aomediacodec.github.io/av1-spec/av1-spec.pdf

- [[AV1/Config]]

* 実装 [#impl]

- [[libaom]] (リファレンス実装?)
- [[SVT-AV1]] (Intel)

** encode only [#encoder]

- [[rav1e]] xiph, Rust

** decode only [#decoder]

- [[dav1d]] (VideoLAN)
- [[libgav1]] (Google)

** アナライザー [#analyzer]

- https://people.xiph.org/~mbebenita/analyzer/

** FPGA [#fpga]

- [[niconico_av1]]

* サンプル [#ea7842d8]

- http://download.opencontent.netflix.com/?prefix=AV1/

-  https://people.xiph.org/~tdaede/av1stilldemo/

* ライセンス問題 [#license]

- AV1 Patent issue
--  https://speakerdeck.com/dynamis/av1-patent-issue?slide=20

* . [#bbeb1975]

- An Overview of Core Coding Tools in the AV1 Video Codec
--  https://jmvalin.ca/papers/AV1_tools.pdf

- AV1コーデックメモ
--  https://qiita.com/yohhoy/items/b2b54b6012348f17eb95

- next generation video: Introducing AV1
--  https://people.xiph.org/~xiphmont/demo/av1/demo1.shtml

- AOM AV1 vs. HEVC
--  https://www.linkedin.com/pulse/aom-av1-vs-hevc-marc-clement

- What is AV1?
--  http://www.streamingmedia.com/Articles/Editorial/What-Is-.../What-is-AV1-111497.aspx

- Bitmovin Supports AV1 Encoding for VoD and Live and Joins the Alliance for Open Media
--  https://bitmovin.com/bitmovin-supports-av1-encoding-vod-live-joins-alliance-open-media/
- Huluも続いたオープンメディアフォーマット「AV1」とは
--  http://www.pronews.jp/news/20170724130346.html

- AV1: next generation video – The Constrained Directional Enhancement Filter
--  https://hacks.mozilla.org/2018/06/av1-next-generation-video-the-constrained-directional-enhancement-filter/


* 派生元 [#derive]

- [[VP9]] | [[VP10]] (Google)
- [[Thor]] (Cisco)
- [[Daala]] (Xiph.Org & Mozilla)

* Window [#win]

- DirectX Video Acceleration Specification for AV1 Video Coding
--  https://www.microsoft.com/en-us/download/confirmation.aspx?id=101577

* その他 [#etc]

- AV1: A Status Update
--  http://www.streamingmedia.com/Articles/ReadArticle.aspx?ArticleID=120214
 Netflix and YouTube could start using AV1 as soon as early 2018, while hardware implementations will take much longer.

- Decoding the Buzz over AV1 Codec
--  http://www.ittiam.com/blog/decoding-buzz-av1-codec/

- yohhoy/av1-codec.md
-- https://gist.github.com/yohhoy/b208944a399026ed97e39fee98916eef

- AV1 – The Dawn of a New Era in Video Codecs
--  https://blog.vidyo.com/technology/understanding-av1-alliance-open-media-nextgen-codec/


- AVIF – AV1 based image format (aomediacodec.github.io)
--   https://news.ycombinator.com/item?id=16803250

- 情報通信審議会　情報通信技術分科会　放送システム委員会
地上デジタル放送方式高度化作業班（第3回）
-- https://www.soumu.go.jp/main_sosiki/joho_tsusin/policyreports/joho_tsusin/housou_system/02ryutsu08_04000407.html
---   AV1の動向について  https://www.soumu.go.jp/main_content/000683387.pdf

* 関連 [#rel]

- [[HEVC]] (ライバル)