tree f176b9b82a33079f69566be136248c939a904dc3
parent b314e490af69c217b77c70b6a1e4ddbbf1f5d2c6
author Joe Drago <joedrago@gmail.com> 1631664759 -0700
committer GitHub <noreply@github.com> 1631664759 -0700
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Simplify idat storage for avifMeta structure (#756)

* Simplify idat storage for avifMeta structure

The "idats" array inside of an avifMeta structure actually pre-dates the
avifMeta structure itself, and existed to distinguish multiple MetaBox's idat
chunks from one another. This array hasn't been necessary ever since the
avifMeta structure was created and each item gained a back-pointer to its
associated avifMeta. Each avifMeta simply needs to keep track of its own idat
buffer (each meta box must have 0 or 1 idat boxes), and each item is tightly
associated to the meta box it was found in.

* Call avifMetaFindItem() a bit earlier in avifParseItemLocationBox() to avoid a temporary variable

Co-authored-by: Joe Drago <jdrago@netflix.com>