i need it for clapper’s hardware acceleration as gst-vaapi is choppy, only va works fine on my device.
pkgs.nix-index can be used to find out this kind of information. Make a database with nix-index, then look things up with nix-locate.
➜ nix-locate libgstva.so
gst_all_1.gst-plugins-bad.out 321,264 x /nix/store/hjwjvjg4dfs58iwh4j26aaqj4vcv93lx-gst-plugins-bad-1.20.3/lib/gstreamer-1.0/libgstva.so