MulticoreWare

Case Studies

MV-HEVC Extension Support in x265

February 21, 2025

Client

A leading global online video platform, renowned for providing cutting-edge video hosting, streaming, and professional content delivery solutions. The client empowers creators and businesses to deliver high-quality video experiences to audiences worldwide.

Project

With the growing demand for high-quality 3D video and multi-view content, conventional video coding techniques struggle to efficiently handle the huge volume of data generated from multiple cameras capturing the same scene from different angles. This creates bandwidth and storage challenges, impacting video streaming efficiency and playback performance.

To address this, Multiview High Efficiency Video Coding (MV-HEVC) – an extension of the HEVC (H.265) standard – proposes an advanced solution for optimizing multi-view video compression while maintaining superior visual quality.

The client partnered with MulticoreWare to enable MV-HEVC support in x265, enhancing multi-view encoding efficiency and playback compatibility.

Challenges

  • Handling Large Data Volumes – Multi-camera setups generate a massive amount of video data, requiring efficient compression without quality loss.
  • Optimizing Multi-View Encoding – Traditional single-view encoding methods fail to achieve sufficient compression efficiency for 3D and multi-view video.
  • Ensuring Compatibility – The solution needed to support various rate control methods and work seamlessly with Apple Mac playback.

Solution

MulticoreWare integrated MV-HEVC support in x265, implementing key optimizations to improve multi-view encoding efficiency. The enhancements included:

  • Full MV-HEVC Extension Support – x265 was upgraded to support all high-level syntax extensions for MV-HEVC.
  • Inter-Layer Prediction Tool – Implemented optimizations for better compression and rate control.
  • Optimized Rate Control Methods – Ensured high compression efficiency across all supported bitrates.
  • Apple Mac Playback Support – Ensured compatibility for seamless playback on MacOS devices.

Solution Highlights

Regression Testing

Enabled compatibility with Fortran 2018 and OpenMP 5.2 standards.

Performance Validation

Ran SPEC CPU2017 Fortran benchmarks on Windows to validate and assess the performance of the compiler against industry standards.

Business Impact

Enabling the Fortran compiler on Windows expanded the customer’s platform support, allowing them to reach a wider market and compete more effectively in the Windows ecosystem. Achieving performance parity with the Linux version ensured they maintained competitive performance standards. This cross-platform capability not only improved their market position but also future-proofed their compiler infrastructure for easier maintenance and updates.

Conclusion

In conclusion, MulticoreWare showcased its expertise in LLVM framework, Fortran, and compiler optimization through the successful cross-platform enablement of the customer’s Fortran compiler. Our comprehensive approach ensured performance parity, stability, and industry-standard compliance. Discover how we can help your organization achieve innovative and high-performance results. Contact our team at info@multicorewareinc.com.

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