1683737 - Add cbcs-1-9 support to the encryption scheme check for MediaKeySystemMediaCapability

Status: RESOLVED FIXED

(Core :: Audio/Video: Playback, enhancement, P3)

Description

[Bryce Seager van Dyk [:bryce] (he/him) - Not reading bugmail]

https://w3c.github.io/encrypted-media/#dom-mediakeysystemmediacapability has added a cbcs-1-9 scheme at some point. This is just cbcs with an explicit pattern so if we support cbcs we can assume support for this too (our CBCS impl should support arbitrary patterns).

Comment 1

[Bryce Seager van Dyk [:bryce] (he/him) - Not reading bugmail]

Attachment: Bug 1683737 - Report support for cbcs-1-9 encryption scheme. r?alwu,jolin

The cbcs-1-9 encryption scheme is a specialized form of the cbcs scheme. Since
we already support the general cbcs scheme, we can also report support for
cbcs-1-9 for Widevine and Clearkey.

Since the functionality this impacts is still behind a pref, this should not
have any impact on most users. I plan to add tests for this and some other
functionality as needed as part of Bug 1610671 where we'll expose this by
removing/toggling the pref.

Comment 2

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/2f204e581d4a
Report support for cbcs-1-9 encryption scheme. r=alwu

Comment 3

[Narcis Beleuzu [:NarcisB]]

https://hg.mozilla.org/mozilla-central/rev/2f204e581d4a