193724 2019-01-23 09:48:54 -0800 Flaky AVEncoderBitRateKey symbol not found crash on imported/w3c/web-platform-tests/mediacapture-record/MediaRecorder-constructor.html 2019-03-25 09:30:32 -0700 1 1 1 Unclassified WebKit Media Other Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 ap eric.carlson commit-queue ddkilzer eric.carlson jer.noble jlewis3 ryanhaddad sroberts tsavell webkit-bug-importer youennf oldest_to_newest 1497380 0 ap 2019-01-23 09:48:54 -0800 Not sure how this kind of an issue can be flaky, but it is. Happens on both High Sierra and Mojave, debug and release. https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=imported/w3c/web-platform-tests/mediacapture-record/MediaRecorder-constructor.html Happens as long as records go, since mid-December at least. ASSERTION FAILED: dlsym(0x7fce1ed713b0, AVEncoderBitRateKey): symbol not found constant ./platform/mediarecorder/cocoa/MediaRecorderPrivateWriterCocoa.mm(55) : NSString *initAVEncoderBitRateKey() 1 0x21fa0eb89 WTFCrash 2 0x20e91aea0 initAVEncoderBitRateKey() 3 0x20e90f0f7 WebCore::MediaRecorderPrivateWriter::setAudioInput() 4 0x20e90eca4 WebCore::MediaRecorderPrivateWriter::create(WebCore::MediaStreamTrackPrivate const*, WebCore::MediaStreamTrackPrivate const*) 5 0x2110a479a WebCore::MediaRecorderPrivateAVFImpl::create(WebCore::MediaStreamPrivate const&) 6 0x20f73f026 WebCore::MediaRecorder::getPrivateImpl(WebCore::MediaStreamPrivate const&) 7 0x20f73ed87 WebCore::MediaRecorder::create(WebCore::Document&, WTF::Ref<WebCore::MediaStream, WTF::DumbPtrTraits<WebCore::MediaStream> >&&, WebCore::MediaRecorder::Options&&) 1497382 1 webkit-bug-importer 2019-01-23 09:49:27 -0800 <rdar://problem/47483831> 1519291 2 ryanhaddad 2019-03-20 16:29:08 -0700 Also frequently seen with http/wpt/mediarecorder/MediaRecorder-AV-audio-video-dataavailable.html: https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=http%2Fwpt%2Fmediarecorder%2FMediaRecorder-AV-audio-video-dataavailable.html 1520473 3 365759 eric.carlson 2019-03-22 14:31:03 -0700 Created attachment 365759 Patch 1520476 4 365759 jer.noble 2019-03-22 14:37:10 -0700 Comment on attachment 365759 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=365759&action=review > Source/WebCore/platform/mediarecorder/cocoa/MediaRecorderPrivateWriterCocoa.mm:86 > +#define AVEncoderBitRateKey myAVEncoderBitRateKey() > +#define AVFormatIDKey myAVFormatIDKey() > +#define AVNumberOfChannelsKey myAVNumberOfChannelsKey() > +#define AVSampleRateKey myAVSampleRateKey() "my" as a prefix isn't useful. Could these be changed to "get*WithFallback()"? 1520481 5 365761 eric.carlson 2019-03-22 14:42:50 -0700 Created attachment 365761 Patch for landing 1520507 6 365761 commit-queue 2019-03-22 15:54:55 -0700 Comment on attachment 365761 Patch for landing Clearing flags on attachment: 365761 Committed r243404: <https://trac.webkit.org/changeset/243404> 1520508 7 commit-queue 2019-03-22 15:54:57 -0700 All reviewed patches have been landed. Closing bug. 1520528 8 eric.carlson 2019-03-22 16:37:08 -0700 *** Bug 196166 has been marked as a duplicate of this bug. *** 1520877 9 365761 ap 2019-03-25 09:30:32 -0700 Comment on attachment 365761 Patch for landing View in context: https://bugs.webkit.org/attachment.cgi?id=365761&action=review > Source/WebCore/ChangeLog:11 > + The soft link macros occasionally fail to load constants from AVFoundation.framework > + which are actually in one of its sub-frameworks. While we investigate the cause > + cause of the failure, ise the SOFT_LINK_CONSTANT_MAY_FAIL so we can detect the failure Thank you Eric for tackling this! What bug tracks finding the root cause? 365759 2019-03-22 14:31:03 -0700 2019-03-22 14:42:50 -0700 Patch avfaudio-strings-dont-load-patch.txt text/plain 4937 eric.carlson ZGlmZiAtLWdpdCBhL1NvdXJjZS9XZWJDb3JlL0NoYW5nZUxvZyBiL1NvdXJjZS9XZWJDb3JlL0No YW5nZUxvZwppbmRleCBhOTcyNDI3Y2FiNi4uODkzZDQ5Y2QwYzYgMTAwNjQ0Ci0tLSBhL1NvdXJj ZS9XZWJDb3JlL0NoYW5nZUxvZworKysgYi9Tb3VyY2UvV2ViQ29yZS9DaGFuZ2VMb2cKQEAgLTEs MyArMSwyNCBAQAorMjAxOS0wMy0yMiAgRXJpYyBDYXJsc29uICA8ZXJpYy5jYXJsc29uQGFwcGxl LmNvbT4KKworICAgICAgICBGbGFreSBBVkVuY29kZXJCaXRSYXRlS2V5IHN5bWJvbCBub3QgZm91 bmQgY3Jhc2ggb24gaW1wb3J0ZWQvdzNjL3dlYi1wbGF0Zm9ybS10ZXN0cy9tZWRpYWNhcHR1cmUt cmVjb3JkL01lZGlhUmVjb3JkZXItY29uc3RydWN0b3IuaHRtbAorICAgICAgICBodHRwczovL2J1 Z3Mud2Via2l0Lm9yZy9zaG93X2J1Zy5jZ2k/aWQ9MTkzNzI0CisgICAgICAgIDxyZGFyOi8vcHJv YmxlbS80NzQ4MzgzMT4KKworICAgICAgICBSZXZpZXdlZCBieSBOT0JPRFkgKE9PUFMhKS4KKwor ICAgICAgICBUaGUgc29mdCBsaW5rIG1hY3JvcyBvY2Nhc2lvbmFsbHkgZmFpbCB0byBsb2FkIGNv 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