GNU bug report logs - #74316
libpixbufloader-heif.so from libheif not loaded by gdk-pixbuf when running Ristretto?

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: wakyct <at> tilde.team
To: bug-guix <at> gnu.org
Subject: libpixbufloader-heif.so from libheif not loaded by gdk-pixbuf when
 running Ristretto?
Date: Mon, 11 Nov 2024 16:48:40 +0000

hello, 

I installed libheif to view heic images, but Ristretto returns 'unsupported MIME type' when opening the file. However my file 
manager Thunar displays heic thumbnails and the correct type, and heif-convert works from the command line. 

I discovered that if I manually create a gdk-pixbuf loaders file, then Ristretto can display the heic image:

george <at> dunstan ~/Downloads$ gdk-pixbuf-query-loaders 
  /gnu/store/wvz8dzjnvgalhh74ayss6j0n1fn20ffy-libheif-1.17.6/lib/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-heif.so 
  >> my-pixbuf-loaders && 
  gdk-pixbuf-query-loaders 
  >> my-pixbuf-loaders
george <at> dunstan ~/Downloads$ export GDK_PIXBUF_MODULE_FILE=my-pixbuf-loaders
george <at> dunstan ~/Downloads$ ristretto TWNBAY_Eb
george <at> dunstan ~/Downloads$

This seems similar to issues https://issues.guix.gnu.org/63427 and https://issues.guix.gnu.org/63853. 

Should installing libheif do something differently to make the loader available or is this a config problem specific to my system?


thanks, George

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