Technical Guide to Resolving Identification and Pointer Errors
ffmpeg -i broken-juq889720m4v -c:v copy -c:a aac output.mp4 xxxmmsubcom tme xxxmmsub1 juq889720m4v fixed
: This is a unique hash or alphanumeric ID. The .m4v extension at the end is a standard Apple video container format similar to MP4, but often used for protected or specific mobile-optimized video files. xxxmmsubcom tme xxxmmsub1 juq889720m4v fixed