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Reading animated AVIF with alpha fails with error: Invalid input: Non-existing item ID referenced: Non-existing alpha image referenced #378

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andrius4669 opened this issue Nov 16, 2020 · 0 comments

andrius4669 commented Nov 16, 2020

Pretty much the same as #377, but for different file and with different error:

$ heif-info alpha_video.avif
MIME type: image/avif-sequence
Could not read HEIF/AVIF file: Invalid input: Non-existing item ID referenced: Non-existing alpha image referenced

This file opens fine in gwenview (with qt-avif-image-plugin installed) and also chromium as well.

To reproduce:

git clone https://github.com/AOMediaCodec/av1-avif
cd av1-avif/testFiles/Netflix/avis
heif-info alpha_video.avif

OS: ArchLinux x86_64
libheif version: 1.9.1
aom version: 2.0.0
dav1d version: 0.7.1
ImageMagick issue which led to me making this issue: ImageMagick/ImageMagick#2788
Relevant tree at the time of writing this issue: https://github.com/AOMediaCodec/av1-avif/tree/3fb01d066368fc09d86651c1034bcb7a84ca0715/testFiles/Netflix/avis

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