Thanks! I've followed the links to here which gives me an option to download the library itself libwidevinecdm.so
I'll do this later and let you know.
QuoteDisplay MoreARMv7 4.10.1679.0 here if anybody needs
(just rename it to libwidevinecdm.so)
or
widevine_4.10.1679.0.orig.tar.xz
(extract and find the file in widevine\opt\WidevineCdm_platform_specific\linux_arm"
Instructions for restoring the older version are here.
QuoteDisplay MoreI can confirm that restoring previous libwidevinecdm.so from backup solves the problem:
find / -name "libwidevinecdm.so"
/storage/.kodi/cdm/libwidevinecdm.so
/storage/.kodi/userdata/addon_data/script.module.inputstreamhelper/backup/13816.64.0/libwidevinecdm.so
/storage/.kodi/userdata/addon_data/script.module.inputstreamhelper/backup/13729.56.0/libwidevinecdm.so
/storage/.kodi/userdata/addon_data/script.module.inputstreamhelper/backup/13505.111.0/libwidevinecdm.so
cp -a /storage/.kodi/userdata/addon_data/script.module.inputstreamhelper/backup/13729.56.0/libwidevinecdm.so /storage/.kodi/cdm/
Instead of the not working libwidevinecdm.so version 13816.64.0, the previous version 13729.56.0 works right.