51CTO HarmonyOS Developer Community

Apr 20, 2026 · Mobile Development

HarmonyOS VR Player: Building an Industrial-Grade NDK Demuxing Pipeline

This article details the construction of a high-performance demuxing pipeline for a HarmonyOS VR player using OH_AVSource and OH_AVDemuxer, covering track selection, sample reading with ReadSampleBuffer, DRM handling, seek optimization, and multi-threaded pre-reading for 4K/8K playback.