Tagged articles

MediaKit

2 articles · Page 1 of 1

Jul 17, 2026 · Mobile Development

HarmonyOS Video Transcoding with AVTranscoder: Complete Start-Pause-Resume Flow

This tutorial demonstrates a full video transcoding workflow on HarmonyOS using the AVTranscoder API, covering instance creation, progress tracking, pause/resume/cancel controls, and playback of the transcoded output, with complete ArkTS code examples.

AVTranscoderArkTSHarmonyOS

0 likes · 12 min read

HarmonyOS Video Transcoding with AVTranscoder: Complete Start-Pause-Resume Flow

HarmonyOS Developer Technology

Oct 13, 2025 · Mobile Development

Implementing External Subtitles with HarmonyOS AVPlayer: A Step-by-Step ArkTS Guide

This tutorial demonstrates how to implement external subtitles (SRT/VTT) in HarmonyOS using AVPlayer's subtitleUpdate event, covering subtitle file loading via addSubtitleFromFd, callback registration, synchronization, and limitations like pre-playback-only subtitle setting.

AVPlayerArkTSHarmonyOS

0 likes · 6 min read

Implementing External Subtitles with HarmonyOS AVPlayer: A Step-by-Step ArkTS Guide