dano is a wrapper for ffmpeg that allows you to checksum internal file streams of media files and verify the checksums later, even if metadata is changed. It offers features like path filtering, concurrent hashing, and multiple checksum algorithms. Inspired by FLAC, dano provides stable checksums that can confirm lossless file decoding and withstand metadata changes. It can also import checksums from FLAC files and help find duplicate media files with the same internal bitstreams. Installation options include native packages for Debian-based distributions and building from source, with dependencies on ffmpeg and metaflac for importing FLAC files. Controversial points include questioning why video and other media streams lack similar checksum functionalities. Unique features include the ability to work with FLAC files and find duplicate media based on internal bitstreams.
https://github.com/kimono-koans/dano