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Decoded image appears pixelated #116

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Shnatsel opened this issue Oct 16, 2024 · 1 comment

Contributor

Shnatsel commented Oct 16, 2024

Found in image-webp v0.2.0

Input:
bsk.webp.gz

imagemagick result:

image-webp result:

Same versions and reproduction code as in #117

This happens on vibrant reds so might be related to image-rs/image#115

Contributor

fintelia commented Oct 18, 2024

Seems this is a bug in the lossy decoding:

$ webpinfo bsk.webp
File: bsk.webp
RIFF HEADER:
  File size:   3712
Chunk VP8X at offset     12, length     18
  ICCP: 0
  Alpha: 1
  EXIF: 0
  XMP: 0
  Animation: 0
  Canvas size 89 x 90
Chunk ALPH at offset     30, length    652
Chunk VP8  at offset    682, length   3030
  Width: 89
  Height: 90
  Alpha: 0
  Animation: 0
  Format: Lossy (1)
No error detected.

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