[Webkit-unassigned] [Bug 256366] Safari tab freeze and gpu process crash when calling canvas function drawimage/getimagedata/setimagedata from high resolution getUserMedia stream with several background tabs

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=256366

--- Comment #16 from Shawn Lee <shawnlee at infotoo.com> ---
The CVPixelBufferPool is retained by cached reference of PixelBufferConformerCV, if I set it to nullptr after use, the memory usage of com.apple.webkit.gpu grows much slower.

https://github.com/WebKit/WebKit/blob/2a288d2a3ca713875fe7474e8c70f3e304edbd74/Source/WebKit/GPUProcess/media/RemoteVideoFrameObjectHeap.cpp#L164-L170

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