1803834 - Implement optional behavior to pause non-audible autoplay videos when they're invisible

Status: RESOLVED FIXED

(Core :: Audio/Video: Playback, enhancement, P2)

Description

[Alastor Wu [:alwu]]

https://html.spec.whatwg.org/multipage/media.html#ready-states:eligible-for-autoplay-2

Comment 1

[Alastor Wu [:alwu]]

Attachment: Bug 1803834 - part1 : rename `mAutoplaying` to 'mCanAutoplayFlag'.

Our current attribute mAutoplaying seems be equal to the can autoplay flag defined in the spec, so rename it to the spec name.

https://html.spec.whatwg.org/multipage/media.html#can-autoplay-flag

Comment 2

[Alastor Wu [:alwu]]

Attachment: Bug 1803834 - part2 : pause/resume non-audible autoplay video when its visibility changes.

https://html.spec.whatwg.org/multipage/media.html#ready-states:eligible-for-autoplay-2

Depends on D163741

Comment 3

[Alastor Wu [:alwu]]

Attachment: Bug 1803834 - part3 : enable wpt 'autoplay-hidden.optional.html'.

Depends on D163742

Comment 4

[Jeff Muizelaar [:jrmuizel]]

Does Chrome implement this?

Comment 5

[Alastor Wu [:alwu]]

Based on the discussion thread, I think so.

Comment 6

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/6f1440600742
part1 : rename `mAutoplaying` to 'mCanAutoplayFlag'. r=media-playback-reviewers,padenot
https://hg.mozilla.org/integration/autoland/rev/caebdf99b7c2
part2 : pause/resume non-audible autoplay video when its visibility changes. r=media-playback-reviewers,padenot
https://hg.mozilla.org/integration/autoland/rev/06be562f9c6c
part3 : enable wpt 'autoplay-hidden.optional.html'. r=media-playback-reviewers,padenot

Comment 7

[Web Platform Test Sync Bot (Matrix: #interop:mozilla.org)]

Created web-platform-tests PR https://github.com/web-platform-tests/wpt/pull/37357 for changes under testing/web-platform/tests

Comment 8

[Cristian Tuns]

https://hg.mozilla.org/mozilla-central/rev/6f1440600742
https://hg.mozilla.org/mozilla-central/rev/caebdf99b7c2
https://hg.mozilla.org/mozilla-central/rev/06be562f9c6c

Comment 9

[Web Platform Test Sync Bot (Matrix: #interop:mozilla.org)]

Upstream PR merged by moz-wptsync-bot