Sep 22, 2025 · Mobile Development

Mastering Audio & Video Capture and Playback in HarmonyOS Apps

This guide details how to implement audio and video capture using Camera Kit, AudioCapturer, and OHAudio, as well as playback with AVPlayer in HarmonyOS apps, covering permission setup, device selection, profile configuration, session creation, resource management, and supported formats.

AVPlayerAudio CaptureCamera Kit

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Mastering Audio & Video Capture and Playback in HarmonyOS Apps

Liulishuo Tech Team

Sep 30, 2021 · Mobile Development

Investigation and Fix of Audio Playback Stutter on iOS 14.5 Using Audio Queue and AVPlayer

The article details a systematic investigation of intermittent audio playback stutter on iOS 14.5, tracing the issue from AVPlayer playback through Audio Queue recording, analyzing AudioStreamBasicDescription parameters and buffer size inconsistencies, and presenting a code‑level fix that aligns buffer sizes before invoking AudioConverterFillComplexBuffer.

AVPlayerAudioEncodingAudioQueue

0 likes · 12 min read

Investigation and Fix of Audio Playback Stutter on iOS 14.5 Using Audio Queue and AVPlayer

Mastering Audio & Video Capture and Playback in HarmonyOS Apps

Investigation and Fix of Audio Playback Stutter on iOS 14.5 Using Audio Queue and AVPlayer

Investigation and Fix of Audio Playback Stutter on iOS 14.5 Using Audio Queue and AVPlayer