For the script to run, you will need the following in the top-level directory:

• An assets/ folder with mp4 files.
• A packager-linux-x64 executable (from https://github.com/shaka-project/shaka-packager/releases).
• A symlink C2paPlayer/ to the latest version of C2paPlayer (from the C2PA fork of dash.js).
• A symlink certs to a directory that contains your C2PA Claim Signing certificate and private key.

To run the script: ./sign_c2pa_dash.sh example_asset.mp4 Then, the signed MPEG-DASH package should be written to output/example_asset/av.mpd.