[Webkit-unassigned] [Bug 244103] [Cocoa] Some AVIF images can't be rendered because their containers formats are HEIF

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=244103

Said Abou-Hallawa <sabouhallawa at apple.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|MOVED                       |---

--- Comment #4 from Said Abou-Hallawa <sabouhallawa at apple.com> ---
I think we can fix it (for now) by looking at the ftyp box of the HEIF/AVIF files and check the major_brand and the compatible_brands in this box.

HEIF/AVIF files start with an ftyp box

aligned(8) class GeneralTypeBox(code) extends Box(code) {
    unsigned int(32)    major_brand;
    unsigned int(32)    minor_version;
    unsigned int(32)    compatible_brands[];    // to end of the box
}

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