Audio Codecs

no DRM support with HEVC

https://developers.google.com/widevine/drm/feature/browser-cdm-l1

https://bitmovin.com/google-adds-hevc-support-chrome/

https://www.mozilla.org/en-US/firefox/100.0a1/releasenotes/

https://learn.microsoft.com/en-us/playready/overview/key-system-strings

macOS/iOS/ipadOS

M3 with AV1 support, Managed Media Source support

using AVFoundation; VP9 with version >=14; iPhone 15 Pro with AV1 support

L2 only with 'cenc', security level might depend on device manufacturer

https://developer.android.com/guide/topics/media/exoplayer/drm

L1 might depend on device manufacturer

https://developer.android.com/guide/topics/media/platform/supported-formats

https://bitmovin.com/av1-playback-support/

https://developer.amazon.com/docs/fire-tv/device-specifications.html, mainly PR PK 3.0 -> no 'cbcs'

AV1 support with >2020 devices

https://developer.samsung.com/smarttv/develop/specifications/general-specifications.html

https://bitmovin.com/analysis-drm-ciphers-samsung-tizen-tvs/

https://webostv.developer.lge.com/discover/specifications/supported-media-formats/

Chromecast Ultra / Google TV

https://developers.google.com/cast/docs/web_receiver/streaming_protocols

https://developers.google.com/cast/docs/media?hl=en#delivery_methods_and_adaptive_streaming_protocols

https://developer.roku.com/en-gb/docs/specs/media/content-protection.md

https://developer.roku.com/en-gb/docs/specs/media/streaming-specifications.md#supported-video-codecs

last update: Nov 2023

https://www.linkedin.com/pulse/its-cbcsing-time-phil-harrison/

https://blogs.akamai.com/2020/09/cmaf-this-is-the-way.html

https://research.akamaized.net/capabilitiescheck.html

https://testweb.playready.microsoft.com/Tool/Hwdrm

https://play.google.com/store/apps/details?id=com.androidfung.drminfo

https://exoplayer.dev/drm.html

https://exoplayer.dev/supported-devices.html

https://docs.microsoft.com/en-us/playready/overview/product-versions

https://github.com/google/ExoPlayer/tree/release-v2/extensions/vp9

https://www.microsoft.com/en-us/p/av1-video-extension/9mvzqvxjbq9v?activetab=pivot:overviewtab

https://9to5google.com/2021/01/16/google-android-tv-av1-codec-requirement/

https://medium.com/huawei-developers/what-is-huawei-wiseplay-digital-rights-management-explained-1f95e2e717ee