bento4Bento4 is an open source project that allows you to read and write MP4 files and related formats. It supports various codecs, DRM systems, encryption schemes, and features such asThere is one SDK for each target platform. Once you download the SDK for your platform, you must unzip it. You will obtain a directory named Bento4-SDK-. (ex: Bento4-SDK-1-4-3