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[Gecko Bug 1995644] reuse expensive frame across tests to speed up RTCEncodedFrame-copy-construction.https.html WPT. #58287

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Merged
moz-wptsync-bot merged 1 commit into from
Mar 5, 2026
+7 −3

reuse expensive frame across tests to speed up RTCEncodedFrame-copy-c…

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[Gecko Bug 1995644] reuse expensive frame across tests to speed up RTCEncodedFrame-copy-construction.https.html WPT. #58287

reuse expensive frame across tests to speed up RTCEncodedFrame-copy-c…
4878b40
Select commit
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Community-TC Integration / wpt-chrome-dev-stability succeeded Mar 5, 2026 in 4m 17s

Community-TC (pull_request)

Verify that all tests affected by a pull request are stable when executed in chrome.

Details

View task in Taskcluster | View logs in Taskcluster | View task group in Taskcluster

Task Status

Started: 2026-03-05T12:06:37.705Z
Resolved: 2026-03-05T12:10:01.940Z
Task Execution Time: 3 minutes, 24 seconds, 235 milliseconds
Task Status: completed
Reason Resolved: completed
TaskId: QO6GVSTvR8qJZK8gBKIRjQ
RunId: 0

Artifacts

- public/logs/live_backing.log
- public/logs/live.log
- public/results/checkrun.md

WPT Command: python3 ./wpt run --channel=dev --verify --verify-no-chaos-mode --verify-repeat-loop=0 --verify-repeat-restart=10 --github-checks-text-file=/home/test/artifacts/checkrun.md --affected base_head --log-mach-level=info --log-mach=- -y --no-pause --no-restart-on-unexpected --install-fonts --verify-log-full --no-headless --enable-swiftshader --install-browser --install-webdriver chrome

[taskcluster 2026-03-05 12:06:37.861Z] Task ID: QO6GVSTvR8qJZK8gBKIRjQ
[taskcluster 2026-03-05 12:06:37.861Z] Worker ID: 7393674186092498765
[taskcluster 2026-03-05 12:06:37.861Z] Worker Group: us-central1-a
[taskcluster 2026-03-05 12:06:37.861Z] Worker Node Type: projects/757942385826/machineTypes/n2-standard-4
[taskcluster 2026-03-05 12:06:37.861Z] Worker Pool: proj-wpt/ci
[taskcluster 2026-03-05 12:06:37.861Z] Worker Version: 46.1.0
[taskcluster 2026-03-05 12:06:37.861Z] Public IP: 34.61.22.167
[taskcluster 2026-03-05 12:06:37.861Z] Hostname: proj-wpt-ci-rclp7yovs5udnrlpi-mmrw

ac811f28856d - Started downloading
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ac811f28856d - Downloaded in 0.033 seconds
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8f84a9f2102e - Downloaded in 0.193 seconds
44ebbf800033 - Downloaded in 0.044 seconds
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/webrtc-encoded-transform/RTCEncodedFrame-copy-construction.https.html
  FAIL RTCEncodedVideoFrame copy construction metadata override on main thread. - promise_test: Unhandled rejection with value: object "InvalidModificationError: Failed to construct 'RTCEncodedVideoFrame': Cannot create a new VideoFrame: new metadata has member(s) missing."
Error
    at get_stack (https://web-platform.test:8443/resources/testharness.js:4802:21)
    at new AssertionError (https://web-platform.test:8443/resources/testharness.js:4795:22)
    at assert (https://web-platform.test:8443/resources/testharness.js:4779:19)
    at Test.<anonymous> (https://web-platform.test:8443/resources/testharness.js:764:29)
    at Test.step (https://web-platform.test:8443/resources/testharness.js:2869:25)
    at https://web-platform.test:8443/resources/testharness.js:2916:35
  FAIL RTCEncodedAudioFrame copy construction metadata override on main thread. - promise_test: Unhandled rejection with value: object "InvalidModificationError: Failed to construct 'RTCEncodedAudioFrame': Cannot create a new AudioFrame: Invalid modification of RTCEncodedAudioFrameMetadata. Bad synchronizationSource"
Error
    at get_stack (https://web-platform.test:8443/resources/testharness.js:4802:21)
    at new AssertionError (https://web-platform.test:8443/resources/testharness.js:4795:22)
    at assert (https://web-platform.test:8443/resources/testharness.js:4779:19)
    at Test.<anonymous> (https://web-platform.test:8443/resources/testharness.js:764:29)
    at Test.step (https://web-platform.test:8443/resources/testharness.js:2869:25)
    at https://web-platform.test:8443/resources/testharness.js:2916:35
  FAIL RTCEncodedVideoFrame copy construction metadata override on main thread. - promise_test: Unhandled rejection with value: object "InvalidModificationError: Failed to construct 'RTCEncodedVideoFrame': Cannot create a new VideoFrame: new metadata has member(s) missing."
Error
    at get_stack (https://web-platform.test:8443/resources/testharness.js:4802:21)
    at new AssertionError (https://web-platform.test:8443/resources/testharness.js:4795:22)
    at assert (https://web-platform.test:8443/resources/testharness.js:4779:19)
    at Test.<anonymous> (https://web-platform.test:8443/resources/testharness.js:764:29)
    at Test.step (https://web-platform.test:8443/resources/testharness.js:2869:25)
    at https://web-platform.test:8443/resources/testharness.js:2916:35
  FAIL RTCEncodedAudioFrame copy construction metadata override on main thread. - promise_test: Unhandled rejection with value: object "InvalidModificationError: Failed to construct 'RTCEncodedAudioFrame': Cannot create a new AudioFrame: Invalid modification of RTCEncodedAudioFrameMetadata. Bad synchronizationSource"
Error
    at get_stack (https://web-platform.test:8443/resources/testharness.js:4802:21)
    at new AssertionError (https://web-platform.test:8443/resources/testharness.js:4795:22)
    at assert (https://web-platform.test:8443/resources/testharness.js:4779:19)
    at Test.<anonymous> (https://web-platform.test:8443/resources/testharness.js:764:29)
    at Test.step (https://web-platform.test:8443/resources/testharness.js:2869:25)
    at https://web-platform.test:8443/resources/testharness.js:2916:35
  FAIL RTCEncodedVideoFrame copy construction metadata override on main thread. - promise_test: Unhandled rejection with value: object "InvalidModificationError: Failed to construct 'RTCEncodedVideoFrame': Cannot create a new VideoFrame: new metadata has member(s) missing."
Error
    at get_stack (https://web-platform.test:8443/resources/testharness.js:4802:21)
    at new AssertionError (https://web-platform.test:8443/resources/testharness.js:4795:22)
    at assert (https://web-platform.test:8443/resources/testharness.js:4779:19)
    at Test.<anonymous> (https://web-platform.test:8443/resources/testharness.js:764:29)
    at Test.step (https://web-platform.test:8443/resources/testharness.js:2869:25)
    at https://web-platform.test:8443/resources/testharness.js:2916:35
  FAIL RTCEncodedAudioFrame copy construction metadata override on main thread. - promise_test: Unhandled rejection with value: object "InvalidModificationError: Failed to construct 'RTCEncodedAudioFrame': Cannot create a new AudioFrame: Invalid modification of RTCEncodedAudioFrameMetadata. Bad synchronizationSource"
Error
    at get_stack (https://web-platform.test:8443/resources/testharness.js:4802:21)
    at new AssertionError (https://web-platform.test:8443/resources/testharness.js:4795:22)
    at assert (https://web-platform.test:8443/resources/testharness.js:4779:19)
    at Test.<anonymous> (https://web-platform.test:8443/resources/testharness.js:764:29)
    at Test.step (https://web-platform.test:8443/resources/testharness.js:2869:25)
    at https://web-platform.test:8443/resources/testharness.js:2916:35
  FAIL RTCEncodedVideoFrame copy construction metadata override on main thread. - promise_test: Unhandled rejection with value: object "InvalidModificationError: Failed to construct 'RTCEncodedVideoFrame': Cannot create a new VideoFrame: new metadata has member(s) missing."
Error
    at get_stack (https://web-platform.test:8443/resources/testharness.js:4802:21)
    at new AssertionError (https://web-platform.test:8443/resources/testharness.js:4795:22)
    at assert (https://web-platform.test:8443/resources/testharness.js:4779:19)
    at Test.<anonymous> (https://web-platform.test:8443/resources/testharness.js:764:29)
    at Test.step (https://web-platform.test:8443/resources/testharness.js:2869:25)
    at https://web-platform.test:8443/resources/testharness.js:2916:35
  FAIL RTCEncodedAudioFrame copy construction metadata override on main thread. - promise_test: Unhandled rejection with value: object "InvalidModificationError: Failed to construct 'RTCEncodedAudioFrame': Cannot create a new AudioFrame: Invalid modification of RTCEncodedAudioFrameMetadata. Bad synchronizationSource"
Error
    at get_stack (https://web-platform.test:8443/resources/testharness.js:4802:21)
    at new AssertionError (https://web-platform.test:8443/resources/testharness.js:4795:22)
    at assert (https://web-platform.test:8443/resources/testharness.js:4779:19)
    at Test.<anonymous> (https://web-platform.test:8443/resources/testharness.js:764:29)
    at Test.step (https://web-platform.test:8443/resources/testharness.js:2869:25)
    at https://web-platform.test:8443/resources/testharness.js:2916:35
  FAIL RTCEncodedVideoFrame copy construction metadata override on main thread. - promise_test: Unhandled rejection with value: object "InvalidModificationError: Failed to construct 'RTCEncodedVideoFrame': Cannot create a new VideoFrame: new metadata has member(s) missing."
Error
    at get_stack (https://web-platform.test:8443/resources/testharness.js:4802:21)
    at new AssertionError (https://web-platform.test:8443/resources/testharness.js:4795:22)
    at assert (https://web-platform.test:8443/resources/testharness.js:4779:19)
    at Test.<anonymous> (https://web-platform.test:8443/resources/testharness.js:764:29)
    at Test.step (https://web-platform.test:8443/resources/testharness.js:2869:25)
    at https://web-platform.test:8443/resources/testharness.js:2916:35
  FAIL RTCEncodedAudioFrame copy construction metadata override on main thread. - promise_test: Unhandled rejection with value: object "InvalidModificationError: Failed to construct 'RTCEncodedAudioFrame': Cannot create a new AudioFrame: Invalid modification of RTCEncodedAudioFrameMetadata. Bad synchronizationSource"
Error
    at get_stack (https://web-platform.test:8443/resources/testharness.js:4802:21)
    at new AssertionError (https://web-platform.test:8443/resources/testharness.js:4795:22)
    at assert (https://web-platform.test:8443/resources/testharness.js:4779:19)
    at Test.<anonymous> (https://web-platform.test:8443/resources/testharness.js:764:29)
    at Test.step (https://web-platform.test:8443/resources/testharness.js:2869:25)
    at https://web-platform.test:8443/resources/testharness.js:2916:35
  FAIL RTCEncodedVideoFrame copy construction metadata override on main thread. - promise_test: Unhandled rejection with value: object "InvalidModificationError: Failed to construct 'RTCEncodedVideoFrame': Cannot create a new VideoFrame: new metadata has member(s) missing."
Error
    at get_stack (https://web-platform.test:8443/resources/testharness.js:4802:21)
    at new AssertionError (https://web-platform.test:8443/resources/testharness.js:4795:22)
    at assert (https://web-platform.test:8443/resources/testharness.js:4779:19)
    at Test.<anonymous> (https://web-platform.test:8443/resources/testharness.js:764:29)
    at Test.step (https://web-platform.test:8443/resources/testharness.js:2869:25)
    at https://web-platform.test:8443/resources/testharness.js:2916:35
  FAIL RTCEncodedAudioFrame copy construction metadata override on main thread. - promise_test: Unhandled rejection with value: object "InvalidModificationError: Failed to construct 'RTCEncodedAudioFrame': Cannot create a new AudioFrame: Invalid modification of RTCEncodedAudioFrameMetadata. Bad synchronizationSource"
Error
    at get_stack (https://web-platform.test:8443/resources/testharness.js:4802:21)
    at new AssertionError (https://web-platform.test:8443/resources/testharness.js:4795:22)
    at assert (https://web-platform.test:8443/resources/testharness.js:4779:19)
    at Test.<anonymous> (https://web-platform.test:8443/resources/testharness.js:764:29)
    at Test.step (https://web-platform.test:8443/resources/testharness.js:2869:25)
    at https://web-platform.test:8443/resources/testharness.js:2916:35
  FAIL RTCEncodedVideoFrame copy construction metadata override on main thread. - promise_test: Unhandled rejection with value: object "InvalidModificationError: Failed to construct 'RTCEncodedVideoFrame': Cannot create a new VideoFrame: new metadata has member(s) missing."
Error
    at get_stack (https://web-platform.test:8443/resources/testharness.js:4802:21)
    at new AssertionError (https://web-platform.test:8443/resources/testharness.js:4795:22)
    at assert (https://web-platform.test:8443/resources/testharness.js:4779:19)
    at Test.<anonymous> (https://web-platform.test:8443/resources/testharness.js:764:29)
    at Test.step (https://web-platform.test:8443/resources/testharness.js:2869:25)
    at https://web-platform.test:8443/resources/testharness.js:2916:35
  FAIL RTCEncodedAudioFrame copy construction metadata override on main thread. - promise_test: Unhandled rejection with value: object "InvalidModificationError: Failed to construct 'RTCEncodedAudioFrame': Cannot create a new AudioFrame: Invalid modification of RTCEncodedAudioFrameMetadata. Bad synchronizationSource"
Error
    at get_stack (https://web-platform.test:8443/resources/testharness.js:4802:21)
    at new AssertionError (https://web-platform.test:8443/resources/testharness.js:4795:22)
    at assert (https://web-platform.test:8443/resources/testharness.js:4779:19)
    at Test.<anonymous> (https://web-platform.test:8443/resources/testharness.js:764:29)
    at Test.step (https://web-platform.test:8443/resources/testharness.js:2869:25)
    at https://web-platform.test:8443/resources/testharness.js:2916:35
  FAIL RTCEncodedVideoFrame copy construction metadata override on main thread. - promise_test: Unhandled rejection with value: object "InvalidModificationError: Failed to construct 'RTCEncodedVideoFrame': Cannot create a new VideoFrame: new metadata has member(s) missing."
Error
    at get_stack (https://web-platform.test:8443/resources/testharness.js:4802:21)
    at new AssertionError (https://web-platform.test:8443/resources/testharness.js:4795:22)
    at assert (https://web-platform.test:8443/resources/testharness.js:4779:19)
    at Test.<anonymous> (https://web-platform.test:8443/resources/testharness.js:764:29)
    at Test.step (https://web-platform.test:8443/resources/testharness.js:2869:25)
    at https://web-platform.test:8443/resources/testharness.js:2916:35
  FAIL RTCEncodedAudioFrame copy construction metadata override on main thread. - promise_test: Unhandled rejection with value: object "InvalidModificationError: Failed to construct 'RTCEncodedAudioFrame': Cannot create a new AudioFrame: Invalid modification of RTCEncodedAudioFrameMetadata. Bad synchronizationSource"
Error
    at get_stack (https://web-platform.test:8443/resources/testharness.js:4802:21)
    at new AssertionError (https://web-platform.test:8443/resources/testharness.js:4795:22)
    at assert (https://web-platform.test:8443/resources/testharness.js:4779:19)
    at Test.<anonymous> (https://web-platform.test:8443/resources/testharness.js:764:29)
    at Test.step (https://web-platform.test:8443/resources/testharness.js:2869:25)
    at https://web-platform.test:8443/resources/testharness.js:2916:35
  FAIL RTCEncodedVideoFrame copy construction metadata override on main thread. - promise_test: Unhandled rejection with value: object "InvalidModificationError: Failed to construct 'RTCEncodedVideoFrame': Cannot create a new VideoFrame: new metadata has member(s) missing."
Error
    at get_stack (https://web-platform.test:8443/resources/testharness.js:4802:21)
    at new AssertionError (https://web-platform.test:8443/resources/testharness.js:4795:22)
    at assert (https://web-platform.test:8443/resources/testharness.js:4779:19)
    at Test.<anonymous> (https://web-platform.test:8443/resources/testharness.js:764:29)
    at Test.step (https://web-platform.test:8443/resources/testharness.js:2869:25)
    at https://web-platform.test:8443/resources/testharness.js:2916:35
  FAIL RTCEncodedAudioFrame copy construction metadata override on main thread. - promise_test: Unhandled rejection with value: object "InvalidModificationError: Failed to construct 'RTCEncodedAudioFrame': Cannot create a new AudioFrame: Invalid modification of RTCEncodedAudioFrameMetadata. Bad synchronizationSource"
Error
    at get_stack (https://web-platform.test:8443/resources/testharness.js:4802:21)
    at new AssertionError (https://web-platform.test:8443/resources/testharness.js:4795:22)
    at assert (https://web-platform.test:8443/resources/testharness.js:4779:19)
    at Test.<anonymous> (https://web-platform.test:8443/resources/testharness.js:764:29)
    at Test.step (https://web-platform.test:8443/resources/testharness.js:2869:25)
    at https://web-platform.test:8443/resources/testharness.js:2916:35
  FAIL RTCEncodedVideoFrame copy construction metadata override on main thread. - promise_test: Unhandled rejection with value: object "InvalidModificationError: Failed to construct 'RTCEncodedVideoFrame': Cannot create a new VideoFrame: new metadata has member(s) missing."
Error
    at get_stack (https://web-platform.test:8443/resources/testharness.js:4802:21)
    at new AssertionError (https://web-platform.test:8443/resources/testharness.js:4795:22)
    at assert (https://web-platform.test:8443/resources/testharness.js:4779:19)
    at Test.<anonymous> (https://web-platform.test:8443/resources/testharness.js:764:29)
    at Test.step (https://web-platform.test:8443/resources/testharness.js:2869:25)
    at https://web-platform.test:8443/resources/testharness.js:2916:35
  FAIL RTCEncodedAudioFrame copy construction metadata override on main thread. - promise_test: Unhandled rejection with value: object "InvalidModificationError: Failed to construct 'RTCEncodedAudioFrame': Cannot create a new AudioFrame: Invalid modification of RTCEncodedAudioFrameMetadata. Bad synchronizationSource"
Error
    at get_stack (https://web-platform.test:8443/resources/testharness.js:4802:21)
    at new AssertionError (https://web-platform.test:8443/resources/testharness.js:4795:22)
    at assert (https://web-platform.test:8443/resources/testharness.js:4779:19)
    at Test.<anonymous> (https://web-platform.test:8443/resources/testharness.js:764:29)
    at Test.step (https://web-platform.test:8443/resources/testharness.js:2869:25)
    at https://web-platform.test:8443/resources/testharness.js:2916:35
 0:46.87 INFO Got 10 unexpected results, with 0 unexpected passes
 0:46.88 wptserve INFO Stopped http server on 127.0.0.1:8001
 0:46.88 wptserve INFO Stopped http server on 127.0.0.1:8002
 0:46.88 wptserve INFO Stopped http server on 127.0.0.1:8000
 0:46.88 wptserve INFO Stopped http server on 127.0.0.1:8445
 0:46.88 wptserve INFO Stopped http server on 127.0.0.1:8446
 0:46.88 wptserve INFO Stopped http server on 127.0.0.1:8003
 0:46.88 wptserve INFO Stopped http server on 127.0.0.1:8443
 0:46.88 wptserve INFO Stopped http server on 127.0.0.1:8444
 0:46.90 wptserve INFO Stopped http server on 127.0.0.1:9000
 0:46.90 wptserve INFO Stopped WebTransport over HTTP/3 server on 127.0.0.1:11000
 0:47.17 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 0:47.18 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 0:47.23 INFO Removed font: Ahem.ttf
 0:47.25 INFO Closing logging queue
 0:47.25 INFO queue closed
 0:47.26 INFO ::: Ran 10 of expected 10 iterations.
 0:47.26 INFO ## All results ##

 0:47.26 INFO ### /webrtc-encoded-transform/RTCEncodedFrame-copy-construction.https.html ###
 0:47.26 INFO |                                  Subtest                                   | Results |                                                                                                                    Messages                                                                                                                    |
 0:47.26 INFO |----------------------------------------------------------------------------|---------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
 0:47.26 INFO |                                                                            | OK      |                                                                                                                                                                                                                                                |
 0:47.26 INFO | `RTCEncodedVideoFrame copy construction on main thread.`                   | PASS    |                                                                                                                                                                                                                                                |
 0:47.26 INFO | `RTCEncodedAudioFrame copy construction on main thread.`                   | PASS    |                                                                                                                                                                                                                                                |
 0:47.26 INFO | `RTCEncodedVideoFrame copy construction metadata override on main thread.` | FAIL    | `promise_test: Unhandled rejection with value: object "InvalidModificationError: Failed to construct 'RTCEncodedVideoFrame': Cannot create a new VideoFrame: new metadata has member(s) missing."`                                             |
 0:47.26 INFO | `RTCEncodedVideoFrame structuredClone on main thread.`                     | PASS    |                                                                                                                                                                                                                                                |
 0:47.26 INFO | `RTCEncodedVideoFrame structuredClone transfer on main thread.`            | PASS    |                                                                                                                                                                                                                                                |
 0:47.26 INFO | `RTCEncodedAudioFrame copy construction metadata override on main thread.` | FAIL    | `promise_test: Unhandled rejection with value: object "InvalidModificationError: Failed to construct 'RTCEncodedAudioFrame': Cannot create a new AudioFrame: Invalid modification of RTCEncodedAudioFrameMetadata. Bad synchronizationSource"` |
 0:47.26 INFO | `RTCEncodedAudioFrame structuredClone on main thread.`                     | PASS    |                                                                                                                                                                                                                                                |
 0:47.26 INFO | `RTCEncodedAudioFrame structuredClone transfer on main thread.`            | PASS    |                                                                                                                                                                                                                                                |
 0:47.26 INFO 
 0:47.26 INFO ::: Running tests in a loop with restarts 10 times : PASS
 0:47.26 INFO :::
 0:47.26 INFO ::: Test verification PASS
 0:47.26 INFO :::
[taskcluster 2026-03-05 12:10:00.657Z] === Task Finished ===
[taskcluster 2026-03-05 12:10:01.101Z] Successful task run with exit code: 0 completed in 203.243 seconds
View more details on Community-TC Integration