MP4 Library

Introduction

MP4 reader and writer library is a flexible and highly configurable library to read and write MP4 files and MP4 fragments. If you are not satisfied with the functionality of the standard MP4 reader/writer on Windows, Android, iOS, or macOS, then this library is for you. MP4 file reader and writer can be easily paired with our streaming clients and servers to provide either streaming source or streaming sink (recording) functionality.

Features

Supported codecs and standard features:

• H.265 (or HEVC), H.264, MPEG-4 video
• AAC, AC-3, EAC-3 audio
• Complete self-contained MP4 files as well as MP4 fragments
• Metadata

Unique features:

• On-the-fly optimizations for progressive download during writing
• File recovery/crash resistance logic in writer
• Ability to synchronize file frames with NTP time
• Highly efficient caching of file reader
• Ability to use unfinished, growing file as a source and update it on-the-fly

See the documentation page for detailed explanation of these features.

Platforms

VASTreaming MP4 library is available for Android, iOS, Windows, Linux, and macOS. The library exists in the following languages/frameworks:

• C# code for Xamarin (Android, iOS, and UWP supported, Tizen coming soon)
• C# code for .NET Framework, .NET Standard, .NET Core, and .NET 5+ (Windows, Linux, and macOS supported)
• C++/Java code for Android Studio
• C++ code for Visual Studio (Windows and Linux supported)
• C++/Objective-C code for Xcode (macOS and iOS supported)

Don't hesitate to contact us to request a demo applications and a demo projects.