I am experiencing a problem with files (MP4) that have been saved from MP3Tag after adding Metadata Tags to the file e.g. Title, Genre etc.
The issue is that when a modified file is played via the Emby for Android app - the libvlc library miss interprets the file and errors out - without any useful info other than it thinks its reached the end of the file. If i play the original file it plays without issue. So something in a MP3Tag edited file is causing it to have a problem. This is not just one file but affects a large number all having been modified by MP3Tag over the last few months.
It appears when comparing the original file with the modified file that the only difference is the MovieDataOffset value changes e.g. from 48 to 1510979 which if this value is bytes is a large jump when i only modified the Title Tag field. Mp3Tag appears to add about 4k to the file size if it has no metadata initially and you add some which is fine to make space for Tags.
I have tested this with numerous files and any modified with MP3Tag will not play properly - the original files play fine.
Any help or suggestion welcome.