Author Topic: New: Delphi MP4 Tag Library  (Read 2558 times)


  • Posts: 932
New: Delphi MP4 Tag Library
« on: 29 Oct '12 - 09:39 »

The first release of MP4 Tag Library is available.

MP4 Tag Library is a component for use in Win32 (9x/ME/2K/XP/Vista/W7), Win64 and OSX software. Reads and writes MP4 tags (tags in .mp4, .m4a and .m4b files).


  • Loading of MP4 tags
  • Saving of MP4 tags
  • Removing of MP4 tags
  • Supports tags at start and end of file
  • Supports binary frames and cover pictures
  • Access directly all atoms as a TMemoryStream (full controll of the atom contents)
  • Updates stco atom when required
  • Full unicode support
  • Pure Delphi code, no external dependencies
  • Delphi XE2 64bit and OSX compatible

Download from the official home page: MP4 Tag Library

This is the first release so please first use the save function only on test files before using it in real environment.


  • Posts: 932
Re: New: Delphi MP4 Tag Library
« Reply #1 on: 27 Nov '12 - 13:23 »
A little update is released:

  • Improved compatibility ('----' atoms are supported with 'mean' and 'name' sub-atoms)

Still the saving is not yet perfect, please if you come across a badly written tag, please send the original file and the bad one to 3delite /o

Thank you!