XnView: MP 1.8.3 - 64-bit
OS: Windows 11 - 64-bit
Short Description of the Problem:
XnView MP cannot open AVIF video files, while AVIF image files open without any issues. Attempting to open an AVIF video file results in the error message: "File can't be loaded!"
Effect:
Users cannot view or interact with AVIF video files in XnView MP, limiting the software's functionality for handling AVIF format files.
To Reproduce:
Open XnView MP (version 1.8.3, 64-bit).
Attempt to open an AVIF video file (e.g., xnviewmp_qwPzQ9rJ58.avif).
Observe the error message: "File can't be loaded!"
Actual Behaviour (Bug):
XnView MP fails to load AVIF video files and displays an error message.

Expected Behaviour:
XnView MP should be able to open and display AVIF video files, similar to how it handles AVIF image files.
Additional Information:
XnView MP Version: 1.8.3 (64-bit)
Operating System: Windows 11 (64-bit)
File Example: The issue occurs with the file xnviewmp_qwPzQ9rJ58.avif.
Note: AVIF image files open without any issues.
Request:
Please investigate this issue and provide a fix or workaround for opening AVIF video files in XnView MP. If additional information or files are needed, please let me know.
Thank you for your attention to this matter.