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Don't store streams that are only used once #2157

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merged 1 commit into from Feb 8, 2022

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@SimonBrandner SimonBrandner commented Feb 4, 2022

Type: defect
Notes element-web: Fix enabling video in voice calls working only once
Fixes element-hq/element-web#20932


Without this MediaHandler would always push the stream we used to get a new track while upgrading a call. We don't keep track of that stream in the call itself, so we never call stopUserMediaStream() for it but we stop() its tracks. When trying to upgrade a call again MediaHandler would try to re-use the stream but its tracks would be empty. Therefore we avoid pushing the stream so that it doesn't get re-used


Here's what your changelog entry will look like:

馃悰 Bug Fixes

Signed-off-by: 艩imon Brandner <simon.bra.ag@gmail.com>
@SimonBrandner SimonBrandner requested a review from a team as a code owner February 4, 2022 17:58
@github-actions github-actions bot added the T-Defect Bugs, crashes, hangs, vulnerabilities, or other reported problems label Feb 4, 2022
@SimonBrandner SimonBrandner added the X-Release-Blocker This affects the current release cycle and must be solved for a release to happen label Feb 5, 2022
@dbkr dbkr merged commit 5d4e318 into matrix-org:develop Feb 8, 2022
@SimonBrandner SimonBrandner deleted the fix/dont-leak-streams branch February 8, 2022 10:14
su-ex added a commit to SchildiChat/matrix-js-sdk that referenced this pull request Feb 15, 2022
* Fix issue with rooms not getting marked as unread ([\matrix-org#2163](matrix-org#2163)). Fixes element-hq/element-web#20971.
* Don't store streams that are only used once ([\matrix-org#2157](matrix-org#2157)). Fixes element-hq/element-web#20932. Contributed by @SimonBrandner.
* Fix edge cases around RR calculations ([\matrix-org#2160](matrix-org#2160)). Fixes element-hq/element-web#20922.
* Account for encryption in `maySendMessage()` ([\matrix-org#2159](matrix-org#2159)). Contributed by @SimonBrandner.
* Send references to thread root to threads, even out of order ([\matrix-org#2156](matrix-org#2156)).
* Fix initial sync fail when event fetching unsuccessful ([\matrix-org#2150](matrix-org#2150)). Fixes element-hq/element-web#20862.
* Don't decrypt redacted messages ([\matrix-org#2143](matrix-org#2143)). Contributed by @SimonBrandner.
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Trying to upgrade a call for the second time leads to an empty video track
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