H.264 / XAVC SDK

nablet H.264 / XAVC SDK is designed for optimized quality and performance on multi-core systems. It supports all XAVC profiles, like HD and 4K Intra only and LongG. It is already used by many market leading companies.

New v2 now available featuring enhanced XAVC encoding and numerous performance optimizations, especially for multi-core processors.

Windows, macOS, Linux

New v2 features

  • Greatly optimized multithreading
  • Highly optimized LongG encoding
  • Many new AVX and AVX2 optimizations
  • Updated XAVC profile support
  • Additional support for Panasonic formats


  • (Constrained) Baseline, Main, High and High422 Profile support
  • Optimized for highly efficient CPU usage latest processor generations
  • 8 and 10-bit support
  • Weighted prediction
  • CPU load balancer to avoid peaks in CPU usage
  • H.264 transrating (beta)
  • Supports Windows, Linux and macOS

Supported profiles include

  • XAVC-Intra HD Class 50/100/200
  • XAVC-Intra 2K Class 100
  • XAVC-Intra 4K Class 300/480
  • XAVC-LongGOP HD 4:2:2
  • XAVC-LongGOP 4K 4:2:0
  • XAVC-LongGOP 4K 4:2:2

And many more.

SDK includes

  • Sample Code for easy integration
  • Documentation
  • Optional maintenance and support
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