Added #

• 🎵 Audio Playback

  • Play audio from local files (MP3, WAV, OGG, FLAC, AAC, M4A)
  • Play audio from network URLs with non-blocking async streaming
  • Support for all major platforms: Android, iOS, macOS, Windows, Linux

• 🎙️ Audio Recording

  • Microphone recording support on Android, iOS, macOS, Windows, Linux
  • Real-time audio streaming to Flutter layer via EventChannel
  • Configurable sample rate and channels

• 🖥️ System Audio Capture

  • Windows: WASAPI loopback recording for system audio
  • Linux: PulseAudio monitor stream for system audio

• 🎚️ Playback Controls

  • Play, pause, stop, resume controls
  • Loop playback support
  • Volume control (0.0 to 1.0)
  • Seeking support (Linux)

• 📊 Playback Information

  • Current position tracking
  • Duration retrieval
  • Playback state query

• 🌐 Network Streaming

  • Non-blocking async playback from HTTP/HTTPS URLs
  • Background downloading (Windows, Linux)
  • AVPlayer for iOS network streams
  • MediaPlayer prepareAsync for Android

• 🎚️ Format Conversion

  • Automatic sample rate conversion on all platforms
  • Android/iOS: Built-in conversion via MediaPlayer/AVFoundation
  • Windows: Custom linear interpolation resampling
  • Linux: Professional quality conversion using libsamplerate (SRC_SINC_BEST_QUALITY)
  • macOS: Built-in conversion via AVFoundation

• 📡 Real-time Audio Streams

  • Recording stream: Microphone audio data streaming
  • Playback stream: Audio data streaming during playback (macOS only)
  • System sound stream: System audio capture (Windows/Linux only)

Platform-Specific Features #

Android

• MediaPlayer for playback
• AudioRecord for recording
• prepareAsync() for non-blocking network playback
• Format support: MP3, WAV, AAC, FLAC, OGG, M4A

iOS

• AVPlayer for network URLs (non-blocking streaming)
• AVAudioPlayer for local files (fast loading)
• AudioToolbox AudioQueue for recording with real-time streaming
• Automatic sample rate conversion via AVFoundation
• Format support: MP3, WAV, AAC, ALAC, M4A, OGG, FLAC

macOS

• AVAudioPlayer and AVAudioEngine for playback
• AVAudioRecorder for recording
• AVAudioEngine for playback streaming (unique feature)
• Automatic sample rate conversion via AVFoundation
• Format support: MP3, WAV, AAC, M4A, OGG, FLAC

Windows

• Media Foundation for MP3/audio decoding
• WASAPI (Windows Audio Session API) for low-latency audio
• Background thread download with WinHTTP
• ISimpleAudioVolume for volume control
• Loopback recording for system audio capture
• Format support: MP3, WAV, WMA, AAC

Linux

• PulseAudio for audio I/O
• libcurl for network downloads
• libsndfile for audio format support (MP3, OGG, FLAC, OPUS, VOC, etc.)
• libsamplerate for professional sample rate conversion
• PulseAudio monitor stream for system audio capture
• Seeking support in playback

Documentation #

• Comprehensive README.md with usage examples
• Platform support matrix
• API reference documentation
• Technical architecture details
• Troubleshooting guide
• Platform-specific setup instructions

Example App #

• Complete example demonstrating all features
• Audio playback with controls
• Real-time position tracking
• Volume control
• Audio recording
• System audio capture (Windows/Linux)
• Network URL streaming

[Unreleased] #

Planned Features #

• Web platform support enhancements
• Audio effects (EQ, reverb, etc.)
• Audio visualization support
• More format support
• Performance optimizations

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Note: This project follows Semantic Versioning. For more information, see semver.org.