How chromium handles gifs

Muthuraj Ramalinga kumar

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Mar 19, 2021, 1:13:15 PM3/19/21

to blink-dev

Hi

I would like to learn how chromium handles gifs.

I am loading a simple gif which turns from dark purple to light blue. But looks like the animating portions of gif is handled after the cc::Layer creation.

Could someone point me to the code that will help me understand how gif animations are handled in chromium ?

Thank you

Screen Shot 2021-03-19 at 9.15.44 AM.png

Philip Rogers

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Mar 19, 2021, 2:40:34 PM3/19/21

to Muthuraj Ramalinga kumar, blink-dev

gif animations can run on the compositor thread. https://chromium.googlesource.com/chromium/src/+/master/docs/how_cc_works.md#image-decoding and cc/trees/image_animation_controller.h have some information about this.

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Muthuraj Ramalinga kumar

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Mar 23, 2021, 12:58:52 PM3/23/21

to Philip Rogers, blink-dev

Thank you

Nigel Tao

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Mar 24, 2021, 1:29:56 AM3/24/21

to Muthuraj Ramalinga kumar, Philip Rogers, blink-dev

On Sat, Mar 20, 2021 at 4:13 AM Muthuraj Ramalinga kumar
<raju...@gmail.com> wrote:
> Could someone point me to the code that will help me understand how gif animations are handled in chromium ?

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