Stream has no audio track and no <audio> element is created after remote StreamUpdated after startAudio on remote participant

Affects

Dolby Product(s)

• SDK-2.3, SDK-2.4

Third Party Product(s)

• OSX Safari-13.1.1

Description

Sometimes when a Safari browser user has joined a conference they will not be able to hear the audio of one or more other participants. Others users will be able to hear them.

Reproduction Steps

1. Join conference with two clients, the first Firefox or Chrome, the second Safari, with no audio and no video
2. startVideo on both clients (Firefox first, Safari second), observe that StreamAdded events and video elements are created for local and remote streams containing active video
3. startAudio on both clients (Firefox first, Safari second), observe StreamUpdated events are created
4. Check stream.getAudioTracks for local updated streams
5. Check stream.getAudioTracks for remote updated streams
6. Observe that remote stream in streamUpdated event on Safari has no audio, only video. The <audio> element is not created

Workaround(s)

• The <audio> element is correctly created after stopping and restarting audio on the Firefox side of the test.

Action Plan

• This issue was corrected in SDK-3.0

Ticket References

Third Party Reference

• Unknown at this time.

Dolby Reference

• CCS-329