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NVIDIA Video Codec SDK 13.1 Enhances Transcoding and Decoding

NVIDIA has released Video Codec SDK 13.1, introducing zero-copy transcode support, AV1 Hierarchical Reference Mode with up to 31 B-frames, and frame-accurate seek capabilities.

By Illumora Editorial

Source · Jul 31, 2026, 3:13 PM · On Illumora · Jul 31, 2026, 3:22 PM

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Read the source →NVIDIA Developer Blog — NVIDIA Video Codec SDK 13.1: Zero-Copy Transcode, AV1 B-Frames, and Frame-Accurate Seek | NVIDIA Technical Blog
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NVIDIA has announced the availability of NVIDIA Video Codec SDK 13.1, which includes updates to encoding and decoding functionalities. This release focuses on improving efficiency and performance for video pipelines, addressing the growing demand for high-quality video across various industries, including streaming, remote collaboration, and generative AI media tools.

The NVIDIA Video Codec SDK provides developers with GPU-accelerated video encoding and decoding through dedicated hardware video engines.

Key Points

  • NVIDIA Video Codec SDK 13.1 introduces AV1 Hierarchical Reference Mode, supporting up to 31 B-frames.
  • The update combines UHQ tuning information with iterative encoding.
  • Decode improvements include per-macroblock statistics for H.264 and HEVC.
  • Frame-accurate seek is enabled via a GOP-aware architecture.
  • The transcoder pipeline has been redesigned with a modular, queue-based architecture and zero-copy transcode support using shared CUarray buffers.
  • An official Docker-based development environment is now available.
  • MV-HEVC stereoscopic support has been expanded with view/layer metadata and third-party compatibility.

Context

According to the NVIDIA Developer Blog, the demand for high-quality video continues to accelerate across industries, powering immersive streaming experiences, remote collaboration, generative AI media tools, and large-scale content delivery. This necessitates video pipelines that are faster, more efficient, and capable of handling complex formats and workloads.

Why It Matters

These updates offer developers enhanced tools for video processing, potentially leading to more efficient encoding, improved decode analytics, and higher throughput in transcoding workflows. The changes can reduce resource utilization and simplify deployment, which is relevant for builders working with GPU-accelerated video applications.

What To Do

  • Explore the latest features of NVIDIA Video Codec SDK 13.1 in video pipelines.
  • Take advantage of the redesigned sample applications.
  • Provide feedback via the NVIDIA Developer forums.
  • Review the NVENC Programming Guide for configuration details on Hierarchical Reference Mode.