Release Notes

MP4v2 trunk-r479 Release Notes

Warning: This is a developer release which includes all the normal pieces of a stable release but is considered unstable. The purpose of a developer release is to make available to MP4v2 developers features which require collaborative testing.

Table of Contents

1 What's New?

[TODO]

2 Breaking Changes

2.1 Removed deprecated metadata/free-form API.

The following functions have been removed and replaced with iTMF Generic and Tags API. Detailed documentation can be found under API modules section.

DeleteMetadataAtom(), DeleteMetadataFreeForm(), DeleteMetadataGenre(), GetMetadataByIndex(), GetMetadataCoverArt(), GetMetadataCoverArtCount(), GetMetadataDisk(), GetMetadataFreeForm(), GetMetadataGenre(), GetMetadataString(), GetMetadataTrack(), GetMetadataUint16(), GetMetadataUint8(), MetadataDelete(), SetMetadataCoverArt(), SetMetadataDisk(), SetMetadataFreeForm(), SetMetadataGenre(), SetMetadataString(), SetMetadataTrack(), SetMetadataUint16(), SetMetadataUint8().

Appendix A Changelog

A.1 Version 2.0

  1. Removed deprecated metadata/free-form API and replaced with iTMF Generic and Tags API.
  2. Added new public-API: MP4SetLogCallback().

A.2 Version 1.9

  1. Renamed public API top-level header to <mp4v2/mp4v2.h> and added namespaces for implementation (private) symbols. Only public API symbols are exported for dynamic (shared) or DLL libraries. All other symbols are now private, notwithstanding static-library usage.
  2. Added initial AC3 support.
  3. Added native Windows port. The port targets WINVER 0x0500 which is Windows 2000 or higher.
  4. Added QuickTime and Nero chapter support. See mp4chaps command-line utility.
    Contributed by Ullrich Pollähne <u.pollaehne@gmail.com>.
  5. Enhanced mp4art to support multiple cover-art atoms.
  6. Dropped mp4dump and replaced with mp4file which supports general file operations.
  7. Added mp4track with colr-box and pasp-box support.
  8. Fixed corruption of udta.name atom during read-in.
  9. Enhanced mp4file --dump to show hexdump-style canonical hex+ASCII data.
  10. Enhanced mp4file --dump to show human-readble value for tag typeCode values.
  11. Enhanced mp4file --dump to show human-readble value for ISO-639-2/T language codes.
  12. Added new public-API: MP4GetTrackLanguage().
  13. Added new public-API: MP4SetTrackLanguage().
  14. Added support for GCC precompiled-headers on various *nix platforms to speed up builds as we are using quite a few C++ headers.
  15. Enhanced mp4track to facilitate modification of { enabled, inmovie, inpreview, altgroup, volume, width, height, language, hdlrname, udtaname } properties.
  16. Added new public-API: MP4GetTrackDurationPerChunk().
  17. Added new public-API: MP4SetTrackDurationPerChunk() to override default per-track chunk duration.
  18. Added new public-API: MP4WriteSampleDependency().
  19. Replaced (undocumented) public-API: MP4CreateEx() with MP4CreateProvider().
  20. Added new public-API for iTMF Generic functionality.

A.3 Version 1.6

  1. Branched libmp4v2 module from mpeg4ip project version 1.6.1.

Appendix B SCM repository details

url:  https://mp4v2.googlecode.com/svn/trunk
root: https://mp4v2.googlecode.com/svn
uuid: 6e6572fa-98a6-11dd-ad9f-f77439c74b79
rev:  479
date: 2011-06-25 23:49:00 -0700 (Sat, 25 Jun 2011)
type: developer