HarmonyOS Developer Technology

Mar 10, 2026 · Mobile Development

HarmonyOS Live Streaming: End-to-End Capture, Encoding & Sync Best Practices

Huawei's HarmonyOS best practice document details full-chain live streaming development: publisher-side audio/video capture with OHAudio, SDR/HDR Vivid video options, Surface-mode encoding, ROI region-of-interest coding, and system-pressure feedback for dynamic bitrate control; viewer-side AVPlayer playback, timestamp-based A/V sync, and memory-leak prevention; plus scenario-specific guidance for e-commerce, entertainment, and outdoor streams.