Open Bug 1179084 Opened 8 years ago Updated 2 months ago

Implement MediaStreamTrack::getCapabilities() and MediaTrackCapabilities


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




Webcompat Priority P2


(Reporter:, Assigned: jib)


(Blocks 3 open bugs)


(Keywords: dev-doc-needed)

User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.0.2357.130 Safari/537.36

Steps to reproduce:

Call MediaStreamTrack::getCapabilities()

Actual results:

Method doesn't exist

Expected results:

Method returns a MediaTrackCapabilities object.
Request to implement MediaStreamCapabilities (
Flags: needinfo?(jib)
Assignee: nobody → jib
Flags: needinfo?(jib)
backlog: --- → webrtc/webaudio+
Rank: 25
Component: Audio/Video → WebRTC: Audio/Video
Ever confirmed: true
Priority: -- → P2
Mass change P2->P3 to align with new Mozilla triage process.
Priority: P2 → P3
Blocks: 1437002

Any chance this feature will come in near future?

See Also: → 1573356
Type: defect → enhancement

Reminder to check the privacy.resistFingerprinting pref as well as bug 1528042 when implementing this feature.

See Also: → 1528042

Any chance this feature will come in near future?

It's been 2 years. Any news?

This is currently breaking Facebook Messenger Calls, see the linked WebCompat bug. I've already reached out to them to see if they can fix it, but I'm setting a webcompat-priority here for now so that this is on our radar.

Webcompat Priority: --- → P1

... aaaand they fixed it. :)

Webcompat Priority: P1 → ---
Severity: normal → S3
Webcompat Priority: --- → ?
Webcompat Priority: ? → P2
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