tree 82580bfca13088f77da092752b46b922c05536d4
parent 1af8cea3d1b3a05ecbcb0e39d99a7f0183e6ce13
author Wan-Teh Chang <wtc@google.com> 1681488923 -0700
committer GitHub <noreply@github.com> 1681488923 -0700
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avifenc: Add an experimental --progressive option

If --progressive is specified, avifenc will encode a progressive,
layered image. The current implementation is hardcoded to use two
layers.

The --progressive option is marked as experimental because it doesn't
work properly even though it produces a correctly encoded layered image.

Refactor avifEncodeImagesFixedQuality(). Move the big while loop in
avifEncodeImagesFixedQuality() to a new avifEncodeRestOfImageSequence()
function. Then change avifEncodeImagesFixedQuality() to call either
avifEncodeRestOfImageSequence() or avifEncodeRestOfLayeredImage()
depending on whether we are encoding an image sequence or a progressive,
layered image.