278726 2024-08-27 07:10:03 -0700 [MSE][GStreamer] Support markEndOfStream() before appendBuffer() 2025-09-26 16:02:32 -0700 1 1 1 Unclassified WebKit Media WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 eocanha eocanha webkit-bug-importer oldest_to_newest 2055623 0 eocanha 2024-08-27 07:10:03 -0700 WebKit MSE can't complete playback when JavaScript performs MediaSource.markEndOfStream() before appending any samples with SourceBuffer.appendBuffer(). That's on the current GStreamer version used in the test bots (gst 1.24). On older GStreamer versions (eg: 1.18.6), parsebin (from the playback pipeline) emits an unrecoverable error as well. See: https://github.com/WebPlatformForEmbedded/WPEWebKit/issues/1366 2055678 1 eocanha 2024-08-27 09:11:43 -0700 Pull request: https://github.com/WebKit/WebKit/pull/32768 2056509 2 ews-feeder 2024-08-30 03:37:52 -0700 Committed 282958@main (a1d1ac683b44): <https://commits.webkit.org/282958@main> Reviewed commits have been landed. Closing PR #32768 and removing active labels. 2056510 3 webkit-bug-importer 2024-08-30 03:38:12 -0700 <rdar://problem/135006772> 2145263 4 eocanha 2025-09-23 09:44:11 -0700 This issue has reappeared downstream (wpe-2.46, GStreamer 1.18) and also has been reproduced upstream when the test case is exercised in a loop and the race condition of an error occurs while errors are ignored, but the GstMessage with the error takes a moment to propagate to the main thread (when the errors are no longer ignored). See: https://github.com/WebPlatformForEmbedded/WPEWebKit/issues/1558 2145310 5 eocanha 2025-09-23 11:44:49 -0700 Pull request: https://github.com/WebKit/WebKit/pull/51211 2146331 6 ews-feeder 2025-09-26 16:02:30 -0700 Committed 300605@main (b1ff5913b211): <https://commits.webkit.org/300605@main> Reviewed commits have been landed. Closing PR #51211 and removing active labels.