bento4Bento4 SDK Documentation – 314 1 WHY USE BENTO4? 1.1 Overview (README.txt) Bento4AP4 is a C++ class library desned to read and write ISO-MP4 files. This format isFull-featured MP4 format, MPEG DASH, HLS, CMAF SDK and tools - Bento4SourcePythonutilsmp4-dash.py at master · axiomatic