nix/system/widevine/default.nix

35 lines
1.4 KiB
Nix

# https://github.com/nix-community/nixos-apple-silicon/issues/145
# This should work with both x86_64 and aarch64. (hopefully)
{
config,
lib,
...
}:
{
nixpkgs.overlays = lib.mkIf (config.nixpkgs.hostPlatform.isLinux) [
(final: prev: {
wrapLibrewolf =
browser: opts:
let
extraPrefs = (opts.extraPrefs or "") + ''
lockPref("media.gmp-widevinecdm.version", "system-installed");
lockPref("media.gmp-widevinecdm.visible", true);
lockPref("media.gmp-widevinecdm.enabled", true);
lockPref("media.gmp-widevinecdm.autoupdate", false);
lockPref("media.eme.enabled", true);
lockPref("media.eme.encrypted-media-encryption-scheme.enabled", true);
'';
widevineCdmDir = "${final.widevine-cdm}/share/google/chrome/WidevineCdm";
widevineOutDir = "$out/gmp-widevinecdm/system-installed";
in
(prev.wrapLibrewolf browser (opts // { inherit extraPrefs; })).overrideAttrs (previousAttrs: {
buildCommand = previousAttrs.buildCommand + ''
mkdir -p "${widevineOutDir}"
ln -s "${widevineCdmDir}/_platform_specific/linux_arm64/libwidevinecdm.so" "${widevineOutDir}/libwidevinecdm.so"
ln -s "${widevineCdmDir}/manifest.json" "${widevineOutDir}/manifest.json"
wrapProgram "$oldExe" --set MOZ_GMP_PATH "${widevineOutDir}"
'';
});
})
];
}