Mobile streams may get corrupted

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#323 4 comments 1 reaction 0 assignees View on GitHub

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Assessment

Difficulty
4/5
Estimated time
3-5 days
Newbie friendliness
25/100
Issue type
Bug
Clarity
Needs clarification
Activity status
Stale
Tech stack
android, ios

Research direction

Start by reproducing the corrupted webcam streams in the UI library sample app and the Communication Services web-calling sample using the listed Android and iOS devices and browsers. Done means the affected streams no longer show tearing, monochrome output, or a black screen in the Teams call.

Written by the indexing model from the issue text.

Description

ADO Linked Bug Calling JavaScript Known Issue

Describe the bug
From various mobile devices, certain webcam streams end up corrupted on the Teams side. To be specific:

  • Device A (Android) has two cameras, both cameras show heavy tearing when seen in the Teams call that it's connected to.
  • Device B (Android) has two cameras, which are both shown monochromous in Teams
  • Device C (iOS) shows a black screen (just one of two cameras I believe) in Teams

A few other tested devices have no issues with their streams. All of these streams display as expected locally.

To Reproduce
These issues happen in both the UI library sample app as well as this sample.

I've tried this with various devices and browsers, of which at least the following:

  • Android/Chrome
  • Android/Edge
  • iOS/Safari

Screenshots
image
This is the monochromous stream. On my last attempt it showed some red dots over it too, as seen here

Phones used (please complete the following information):

  • Google Pixel 2A / Android 11 / Chrome 88
  • Alcatel mini tablet / Android 8.1.0 / Chrome 91
  • Samsung Galaxy A3 / Android / Edge 46
  • Not sure / Android 8 / Chrome 90
Dominant language
No language data
Stars
340
Forks
113
PR merge metrics
No merged PRs in 30d

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  4. Open a pull request that references the issue number.

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