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feat: add an imagor module for heic, heif and avif previews - #407
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October 26, 2026 14:05
imagor runs on an internal network, the webdav service points at it as the preview generator, and the three formats plus their sequence types are announced, so previews show up in the file list and the preview app. The OpenCloud image ships no libheif on purpose, so its own generator refuses them. Documented in README and .env.example, image tag pinned and tracked by renovate. Needs OpenCloud 9.0.0 or newer.
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Description
Adds
thumbnails/imagor.yml. It starts imagor on an internal network, points the webdav service at it as the preview generator and announces heic, heif, avif and their sequence types, so previews show up for them in the file list and the preview app.The OpenCloud image ships no libheif on purpose, so its own generator answers
406 unreadable imagefor a heic, heif or avif. imagor's image reads them.Documented in README and
.env.example, image tag tracked by renovate, pinned to imagor 1.9.14.Needs OpenCloud 9.0.0 or newer:
WEBDAV_THUMBNAILS_GENERATOR_URLandOC_THUMBNAILS_ADDITIONAL_SOURCE_TYPESare in that release. Related: opencloud-eu/web#4009, which makes the web client open the three formats.How Has This Been Tested?
docker compose -f docker-compose.yml -f thumbnails/imagor.yml configoc:has-preview1, and their previews answer200asimage/jpegat 64, 384 and 1024