Nwgat's AOMedia's AV1 Codec Overview

A overview of AV1 Codec

Resources:

• AOMedia Google Source
• AOM Analyzer
• Alliance for Open Media codecs Doom9 Thread
• Video: Introduction to the Alliance for Open Media (AOM) and its new AV1 codec (Paris Video Tech 2017 French) English Slides
• Video: Table Ronde - HEVC/AV1 (French)
• Video: AV1: Status Update Slides (FOSDEM 2017)
• Video: Progress in the Alliance for Open Media (Linux.conf 2017)
• Video: An overview of AOM: The Alliance for Open Media (DEMUXED 2016)
• Video: Alliance for Open Media - Update (5th October 2016)
• StreamingMedia Progress Report
• Elecard provides support of AV1 implemented in our flagship product - StreamEye.
• Difference between AOM AV1 and HEVC
• Results of Elecard's latest benchmarks of AV1 compared to HEVC

Software

Daily mmm-hd builds (Should be able to output 8/10/12bit)** thanks to 06_taro/mmm-hd

• http://tmod.nmm-hd.org/aom/

Patched LAVFilter with av1 decoding (8/10/12 bit)** thanks to 06_taro/mmm-hd

• http://tmod.nmm-hd.org/LAVFilters/

StaxRip GUI Encoder

• https://github.com/stax76/staxrip
• https://drive.google.com/drive/folders/0B-gPKiJYuKuITld4dzhuTC1WWWM

Xaymar's AOMedia Video 1 Encoder for OBS Studio (work in progress)

• https://github.com/Xaymar/obs-studio_enc-aomedia-av1

Nwgat Win64 Builds

• av1-git-e335fb7-050117-win64.7z (5th January 2017)
• av1-git-1e487c3-win64.7z
• av1-git-4531b85-win64.7z
• av1-git-09eea21-win64.7z
• av1-git-daf841b-win64.7z

Compiling/Building

• Linux
• MSYS2/MingW for Windows
• CMake

Encoding

aomenc -v --good --target-bitrate=6000 -o output.webm outputgirl.1080p.y4m

Settings

• --best (like placebo slow, probably removed soon?)
• --good (faster)
• -target-bitrate= (bitrate?)
• -v (verbose)

AOM AV1 Supports:

• --yv12 Input file is YV12
• --i420 Input file is I420 (default)
• --i422 Input file is I422
• --i444 Input file is I444
• --i440 Input file is I440

Decoding

realtime playback
aomdec test.webm | mpv -

decoder export to raw frames
aomdec test.mkv -o test.raw