Documentation #

• Updated all README files (Root, Package, Example) to be bilingual (English/Chinese).

Documentation #

• Added Mermaid architecture diagram to README
• Enriched Example app documentation for pub.flutter-io.cn display

Added #

Core SDK

• FFmpegCubeClient - Main API entry point for all operations
• FormatPolicy - Intelligent codec recommendation engine
• BackendRouter - Automatic platform-specific backend selection

Job Models

• TranscodeJob - Video transcoding with codec, resolution, bitrate options
• TrimJob - Video trimming with start/end time or duration
• ThumbnailJob - Frame extraction with format and quality options
• ConcatJob - Video concatenation (demuxer and filter methods)
• MixAudioJob - Audio mixing with volume control
• SubtitleJob - Subtitle embedding (hardcode and softcode)

Backend Support

• FFmpegKitBackend - Android/iOS/macOS via ffmpeg_kit_flutter_new
• ProcessBackend - Windows/Linux via system FFmpeg
• WasmBackend - Web platform stub (ffmpeg.wasm)
• RemoteBackend - Remote API fallback stub

Playback

• UnifiedPlayer - Cross-platform video playback via media_kit
• UnifiedVideoPlayer - Flutter widget with controls

Utilities

• ProbeResult - Media file information parsing
• JobProgress - Real-time progress tracking
• JobError / JobResult - Comprehensive error handling

Example Application #

• Home screen with 4 feature cards
• Transcode screen with codec/resolution options
• Thumbnail screen with time slider
• Player screen with playback controls
• Probe screen with media info display

Tests #

• 106 unit tests covering all job models
• Job validation and FFmpeg argument generation
• ProbeResult JSON parsing
• FormatPolicy recommendations