Added #

• Initial stable release of mic_stream_recorder plugin
• Real-time microphone recording with amplitude monitoring for iOS and Android
• Cross-platform support with comprehensive implementations for both platforms
• M4A/AAC audio format recording for optimal quality and compression
• Real-time amplitude streaming for audio visualization (0.0 - 1.0 normalized values)
• Configurable recording settings: sample rate, channels, buffer size, audio quality
• Complete playback functionality: play, pause, stop controls
• Automatic permission handling for microphone access on both platforms
• Event channel streaming for real-time audio amplitude data
• Comprehensive example app with visual amplitude meter and recording controls
• Full API documentation with usage examples
• Cross-platform API consistency between iOS and Android implementations

Features #

• iOS Implementation: AVAudioEngine + AVAudioRecorder with real-time processing
• Android Implementation: MediaRecorder + AudioRecord for recording and monitoring
• Sample Rate Support: 8000, 16000, 22050, 44100, 48000 Hz
• Audio Quality Levels: Min, Low, Medium, High, Max (32k-192k bitrate)
• Buffer Size Options: 128, 256, 512, 1024+ samples
• Automatic file management in platform-appropriate cache directories
• Error handling and validation for all recording parameters
• Permission flow integration with Flutter's activity lifecycle

Technical Details #

• Uses Method Channels for cross-platform communication
• Event Channels for real-time amplitude streaming
• Platform-specific optimizations for audio processing
• Memory-efficient buffer management
• Thread-safe amplitude calculations
• Proper resource cleanup and lifecycle management