ref: 80fdafd1d6bc27d7a94fabc12f4af37285a17338
parent: 0ba08200707e5d761cbe39d6b08174f8eb868125
author: Alex Musolino <alex@musolino.id.au>
date: Sun Apr 5 19:26:52 EDT 2020
file: try ismp4() before ismp3() It is possible to find the mp3 sync word near the start of an mp4 file. As such, file(1) could incorrectly identify some mp4s as mp3s.