[mediacapture-main] Algorithm to mute/disable tracks is unclear

youennf has just created a new issue for https://github.com/w3c/mediacapture-main:

== Algorithm to mute/disable tracks is unclear ==
The spec is not really clear about how to mute a track.
Let 's take the example of disabling a a gum video track.
Should it:
1. continue sending black frames at the expected frame rate?
2. Should it send a black frame and stop sending after that?
If 2, should the last black frame be sent immediately or follow the frame rate?

Note that this might be observable by a web application using the stats API through the framesEncoded value.
Looking quickly at https://webrtc.github.io/samples/src/content/peerconnection/bandwidth/, it seems as if Chrome is doing 1 and Firefox is doing 2.

2 has obviously some efficiency advantages.

Please view or discuss this issue at https://github.com/w3c/mediacapture-main/issues/441 using your GitHub account

Received on Wednesday, 5 April 2017 22:13:12 UTC