## MP4v2 - *A C/C++ library to create, modify and read MP4 files*
[](https://github.com/enzo1982/mp4v2/commits/main) [](https://github.com/enzo1982/mp4v2/releases)
This is the *new* MP4v2 project, a fork of the [abandoned MP4v2 library](https://code.google.com/archive/p/mp4v2/) project now archived at Google Code.
The MP4v2 library provides an API to create and modify MP4 files as defined by ISO-IEC:14496-1:2001 MPEG-4 Systems. This file format is derived from Apple's QuickTime file format that has been used as a multimedia file format in a variety of platforms and applications. It is a very powerful and extensible format that can accommodate practically any type of media.
Please visit [mp4v2.org](https://mp4v2.org) for more information about this project and its goals.
### License
MP4v2 is released under the terms of the Mozilla Public License (MPL) Version 1.1. Please refer to the [`COPYING`](https://raw.githubusercontent.com/enzo1982/mp4v2/main/COPYING) file for the full license text.
### Download
Release packages of the MP4v2 library sources are available in the *[Releases](https://github.com/enzo1982/mp4v2/releases)* area.
### Building
The MP4v2 library and utilities can be built using the following build systems:
- **GNU Autotools**
1. Run `autoreconf -i` in the MP4v2 project base folder
(only necessary when building directly from repository sources)
2. Run `./configure && make` in the MP4v2 project base folder
- **CMake**
- Run `cmake . && make` in the MP4v2 project base folder
- **Visual Studio**
- Use the Visual Studio solution at `vstudio/mp4v2.sln`
- **Xcode**
- Use the Xcode project at `xcode/mp4v2.xcodeproj`
MP4v2 has no special dependencies other than a working C++ compiler and build environment.
### Support
Please use the *[Issues](https://github.com/enzo1982/mp4v2/issues)* area to report bugs and other issues or make feature requests. For questions and general discussion, please use the *[Discussions](https://github.com/enzo1982/mp4v2/discussions)* area.
If you need to contact the maintainer, please send an email to [support@mp4v2.org](mailto:support@mp4v2.org).
mp4v2-main源码 （790个子文件） 
configure.ac 13KB GNUmakefile.am 11KB tags.c 8KB generic.c 3KB callbacks.c 2KB c_api.c 2KB config.h.cmake 2KB COPYING 24KB mp4.cpp 144KB mp4file.cpp 140KB mp4track.cpp 59KB hevc.cpp 59KB rtphint.cpp 38KB mp4chaps.cpp 36KB cmeta.cpp 34KB mp4property.cpp 33KB platform_win32.cpp 32KB mp4track.cpp 31KB mp4atom.cpp 31KB typebmff.cpp 30KB isma.cpp 30KB mp4tags.cpp 29KB Tags.cpp 29KB descriptors.cpp 21KB Utility.cpp 20KB mp4info.cpp 20KB option.cpp 20KB type.cpp 18KB atom_standard.cpp 17KB Timecode.cpp 15KB TrackModifier.cpp 14KB mp4art.cpp 13KB generic.cpp 13KB mp4file_io.cpp 13KB log.cpp 13KB ocidescriptors.cpp 10KB ColorParameterBox.cpp 10KB mp4info.cpp 10KB atom_avcC.cpp 9KB PictureAspectRatioBox.cpp 8KB mp4trackdump.cpp 8KB mp4util.cpp 8KB atom_dac3.cpp 8KB mp4extract.cpp 8KB CoverArtBox.cpp 7KB mp4clip.cpp 7KB atom_sound.cpp 6KB mp4file.cpp 6KB mp4subtitle.cpp 6KB mp4container.cpp 6KB mp4descriptor.cpp 6KB crc.cpp 6KB nullcreate.cpp 5KB qosqualifiers.cpp 5KB File_win32.cpp 5KB File.cpp 5KB atom_root.cpp 5KB atom_rtp.cpp 4KB atom_meta.cpp 4KB atom_text.cpp 4KB atom_mvhd.cpp 4KB atom_tkhd.cpp 4KB FileSystem_win32.cpp 4KB odcommands.cpp 4KB atom_ohdr.cpp 4KB nullvplayer.cpp 4KB exception.cpp 3KB other.cpp 3KB File_posix.cpp 3KB atom_hdlr.cpp 3KB atom_stz2.cpp 3KB atom_stsd.cpp 3KB coding.cpp 3KB atom_stsc.cpp 3KB atom_tx3g.cpp 3KB atom_avc1.cpp 3KB atom_mdhd.cpp 3KB atom_d263.cpp 3KB atom_encv.cpp 3KB FileSystem.cpp 3KB atom_mp4v.cpp 3KB atom_video.cpp 3KB atom_s263.cpp 3KB atom_elst.cpp 2KB atom_trun.cpp 2KB urltrack.cpp 2KB 3gp.cpp 2KB atom_amr.cpp 2KB atom_stsz.cpp 2KB atom_tfhd.cpp 2KB atom_ac3.cpp 2KB atom_hinf.cpp 2KB atom_stbl.cpp 2KB atom_enca.cpp 2KB atom_ftyp.cpp 2KB atom_chpl.cpp 2KB atom_url.cpp 2KB atom_damr.cpp 2KB atom_dref.cpp 2KB atom_sdp.cpp 2KB共 790 条
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