High Dynamic Range in AV1 Matt Frost Chrome Media Alan Chalmers University of Warwick & trueDR IABM Copyright 2018 www.theiabm.org @THEIABM Matt Frost Director --Product AV1 Management Chrome Media At Google IBC 2018 IABM Copyright 2018 www.theiabm.org @THEIABM Open Codecs At Google IBC 2018 IABM Copyright 2018 www.theiabm.org @THEIABM IBC 2018 Why Codecs? IABM Copyright 2018 www.theiabm.org @THEIABM Unlock The World IBC 2018 IABM Copyright 2018 www.theiabm.org @THEIABM Unlock The Future IBC 2018 IABM Copyright 2018 www.theiabm.org @THEIABM Track Record: VP9 + YouTube +25% +20% +15% +10% +5% +2% YouTube VP9 watch time gains vs. H.264 IABM Copyright 2018 www.theiabm.org @THEIABM Who is Founded in Fall 2015, 36 companies came together to develop next generationIBC codecs2018 for the web. IABM Copyright 2018 www.theiabm.org @THEIABM Goals for Video Codec Open Deploy Widely & for the Web source & Quickly With state of royalty- Developed faster the art free than standards compression Grounded bodies and efficiency in the supported across WebM platforms philosophy Logo placeholder IBC 2018 IABM Copyright 2018 www.theiabm.org @THEIABM VOD Services Member companies with video-on-demand streaming consumer products & services.IBC 2018 IABM Copyright 2018 www.theiabm.org @THEIABM Live/RTC Services Member companies with live streaming and/or real time communication consumerIBC products2018 & services. IABM Copyright 2018 www.theiabm.org @THEIABM Results: IABM Copyright 2018 www.theiabm.org @THEIABM Results: IABM Copyright 2018 www.theiabm.org @THEIABM Results: IABM Copyright 2018 www.theiabm.org @THEIABM Results: IABM Copyright 2018 www.theiabm.org @THEIABM Results: IABM Copyright 2018 www.theiabm.org @THEIABM Where We Are 1 2 3 4 5 Tools Codebase Spec Support in SoC Selected frozen Published Chrome Hardware (Complete (Complete (Complete (Q3 2018) (2020) d) d) d) IBC 2018 IABM Copyright 2018 www.theiabm.org @THEIABM Google is Committed to AV1 IBC 2018 IABM Copyright 2018 www.theiabm.org @THEIABM Demo • Download Chrome Canary / Dev Channel ●"Enable AV1 Video Decoding" to "Enabled" in chrome://flags IBC 2018 ●Playback IABM Copyright 2018 www.theiabm.org @THEIABM More Check out our partners’ demos here at IBC2018 Demos! BOOTH SU10725MR BOOTH SU3710 BOOTH SU9901 IBC 2018 IABM Copyright 2018 www.theiabm.org @THEIABM Learn ● Project Site: More https://aomedia.org ● Source code: https://aomedia.googleso urce.com/ ● Bitstream specification: https://aomedia.org/av1- bitstream-and-decoding- IBC 2018 process-specification/ IABM Copyright 2018 www.theiabm.org @THEIABM High Dynamic Range in AV1 An Alternative Future for HDR IABM Copyright 2018 www.theiabm.org @THEIABM IABM Copyright 2018 www.theiabm.org @THEIABM The real world Very wide range of lighting × Peak luminance is NOT 1,000 or even 10,000nits Need to be “scene-referred” A single candle lit in dark a room has a dynamic range 16.8 million to 1 (24 stops) IABM Copyright 2018 www.theiabm.org @THEIABM IABM Copyright 2018 www.theiabm.org @THEIABM What we did Added existing HLG and PQ (HDR10) New HDR methods – scene referred PTF (Gamma) – real-time, on-the-fly adaptive to: . ambient light, creative intent, display luminance Ratnajit – faithfully preserves colour IABM Copyright 2018 www.theiabm.org @THEIABM Why Scene referred HDR viewed under “normal” ambient lighting Future proof IABM Copyright 2018 www.theiabm.org @THEIABM Complexity IABM Copyright 2018 www.theiabm.org @THEIABM Performance IABM Copyright 2018 www.theiabm.org @THEIABM Not in a dark room outside 80,000 lux 4,000nits 10,000nits IABM Copyright 2018 www.theiabm.org @THEIABM trueDR HDR IN AV1 AN ALTERNATIVE FUTURE FOR HDR! Open, royalty-free HDR video coding No more watching HDR in the dark High quality, efficient codecs Wide scope of devices and platforms University of Warwick (UK) | trueDR (UK) | Google (US) | SIM2 (IT) | ORF (A) | Vicomtech (ES) IABM Copyright 2018 www.theiabm.org @THEIABM Enhanced viewing experience IABM Copyright 2018 www.theiabm.org @THEIABM HDR-AV1 is here For TVs, movies … IABM Copyright 2018 www.theiabm.org @THEIABM Even (shortly) for mobile devices … IABM Copyright 2018 www.theiabm.org @THEIABM.