Bug 302044 – com.apple.WebKit.GPU at WebCore: WebCore::AudioVideoRendererAVFObjC::addTrack

• Component: Media
• Status: NEW

[Jean-Yves Avenard [:jya]]

```
0   libobjc.A.dylib               	       0x190b4e7bc objc_release_x23 + 8
1   WebCore                       	       0x1b08bd460 WTF::RetainPtr<AVSampleBufferAudioRenderer>::releaseFoundationPtr(objc_object*) + 4 (/AppleInternal/Library/BuildRoots/4~CBBZugCvmWlzu2BROjqv9EJ_VMdOmL-2fFUHJFA/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.1.sdk/usr/local/include/wtf/RetainPtr.h:174) [inlined]
2   WebCore                       	       0x1b08bd460 WTF::RetainPtr<AVSampleBufferAudioRenderer>::~RetainPtr() + 8 (/AppleInternal/Library/BuildRoots/4~CBBZugCvmWlzu2BROjqv9EJ_VMdOmL-2fFUHJFA/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.1.sdk/usr/local/include/wtf/RetainPtr.h:190) [inlined]
3   WebCore                       	       0x1b08bd460 WTF::RetainPtr<AVSampleBufferAudioRenderer>::~RetainPtr() + 8 (/AppleInternal/Library/BuildRoots/4~CBBZugCvmWlzu2BROjqv9EJ_VMdOmL-2fFUHJFA/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.1.sdk/usr/local/include/wtf/RetainPtr.h:188) [inlined]
4   WebCore                       	       0x1b08bd460 WebCore::AudioVideoRendererAVFObjC::addAudioRenderer(WTF::ObjectIdentifierGeneric<WebCore::SamplesRendererTrackIdentifierType, WTF::ObjectIdentifierThreadSafeAccessTraits<unsigned long long>, unsigned long long>) + 136 (/Library/Caches/com.apple.xbs/Sources/WebCore/Source/WebCore/platform/graphics/avfoundation/AudioVideoRendererAVFObjC.mm:897) [inlined]
5   WebCore                       	       0x1b08bd460 WebCore::AudioVideoRendererAVFObjC::addTrack(WebCore::TrackInfoTrackType) + 1168 (/Library/Caches/com.apple.xbs/Sources/WebCore/Source/WebCore/platform/graphics/avfoundation/AudioVideoRendererAVFObjC.mm:159)
6   WebCore                       	       0x1afbc0ac8 WebCore::SourceBufferPrivateAVFObjC::trackDidChangeEnabled(WebCore::AudioTrackPrivate&, bool) + 2664 (/Library/Caches/com.apple.xbs/Sources/WebCore/Source/WebCore/platform/graphics/avfoundation/objc/SourceBufferPrivateAVFObjC.mm:523)
7   WebCore                       	       0x1afbcb41c WebCore::SourceBufferPrivateAVFObjC::setTrackChangeCallbacks(WebCore::SourceBufferPrivateClient::InitializationSegment const&, bool)::$_1::operator()(WebCore::AudioTrackPrivate&, bool)::&#39;lambda&#39;()::operator()() const + 96 (/Library/Caches/com.apple.xbs/Sources/WebCore/Source/WebCore/platform/graphics/avfoundation/objc/SourceBufferPrivateAVFObjC.mm:159) [inlined]
8   WebCore                       	       0x1afbcb41c WTF::Detail::CallableWrapper<WebCore::SourceBufferPrivateAVFObjC::setTrackChangeCallbacks(WebCore::SourceBufferPrivateClient::InitializationSegment const&, bool)::$_1::operator()(WebCore::AudioTrackPrivate&, bool)::&#39;lambda&#39;(), void>::call() + 116 (/AppleInternal/Library/BuildRoots/4~CBBZugCvmWlzu2BROjqv9EJ_VMdOmL-2fFUHJFA/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.1.sdk/usr/local/include/wtf/Function.h:53)
9   WebCore                       	       0x1afbbeab0 WTF::Function<void ()>::operator()() const + 40 (/AppleInternal/Library/BuildRoots/4~CBBZugCvmWlzu2BROjqv9EJ_VMdOmL-2fFUHJFA/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.1.sdk/usr/local/include/wtf/Function.h:82) [inlined]
10  WebCore                       	       0x1afbbeab0 WebCore::SourceBufferPrivateAVFObjC::processInitializationSegment(std::__1::optional<WebCore::SourceBufferPrivateClient::InitializationSegment>&&) + 1036 (/Library/Caches/com.apple.xbs/Sources/WebCore/Source/WebCore/platform/graphics/avfoundation/objc/SourceBufferPrivateAVFObjC.mm:241)
11  WebCore                       	       0x1b1fe7a5c _ZZN7WebCore19SourceBufferPrivate31didReceiveInitializationSegmentEONS_25SourceBufferPrivateClient21InitializationSegmentEEN3$_1clINSt12experimental15fundamentals_v38expectedIvNS_18PlatformMediaErrorEEEEEDaT_ + 248 (/Library/Caches/com.apple.xbs/Sources/WebCore/Source/WebCore/platform/graphics/SourceBufferPrivate.cpp:670) [inlined]
```

rdar://163901063

[Jean-Yves Avenard [:jya]]

Pull request: https://github.com/apple/WebKit/pull/3982

[Jean-Yves Avenard [:jya]]

Pull request: https://github.com/apple/WebKit/pull/3984