[Webkit-unassigned] [Bug 146205] Decoding of animated PNG (APNG) is not optimized for memory usage.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=146205

Max Stepin <maxstepin at yahoo.com> changed:

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--- Comment #5 from Max Stepin <maxstepin at yahoo.com> ---
Created attachment 262881
  --> https://bugs.webkit.org/attachment.cgi?id=262881&action=review
v02.patch

Only decode the frames up to haltAtFrame, also set the frame attributes as soon as possible, instead of waiting until frameComplete(). 

That was the reason for the artifacts - 'dispose' attribute was used by clearFrameBufferCache() a bit earlier, before it was actually set.

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