xcamera 0.1.0

A lightweight Flutter camera plugin for Linux supporting high-performance V4L2 streaming and synchronized H.264/AAC video recording.

0.1.0

• Added local H.264 RTSP Stream Server and HTTP MJPEG Server outputs.
• Added IP Camera Client support (CameraController.ipCamera(url)) for connecting to remote network streams.
• Added dedicated example applications demonstrating camera hardware controls and local/IP streaming features.
• Fixed server thread deadlocks during shutdown by replacing blocking accept calls with select timeouts.
• Fixed OpenH264 spatial layer crash by configuring baseline profile parameters.
• Added comprehensive unit test suites for RTSP and HTTP server use cases.

0.0.3

• Added hardware V4L2 device controls (brightness, contrast, focus, exposure, gain, white balance, anti-flicker).
• Added software digital zoom with horizontal/vertical panning crop region-of-interest support.
• Added customizable dynamic OSD watermark text overlays and microsecond timestamp burn-in.
• Added native low-light Night Vision mode utilizing adaptive CLAHE contrast enhancement.
• Added Green Screen Chroma Key background color removal.
• Added Barrel Fisheye Distortion lens correction filters.
• Added retroactive Pre-Roll video recording backed by an in-memory circular RAM buffer.
• Added real-time luminance motion detection with configurable sensitivity thresholds and snapshot events.
• Added Virtual Camera loopback streaming support via v4l2loopback.
• Added zero-copy memory frame sharing with external processes via DMA-BUF file descriptor export.
• Added professional camera assist overlays (Rule of Thirds grid, Focus Peaking highlights, Exposure Zebra lines).
• Added real-time udev connection event stream for dynamic USB camera hotplug detection.
• Added multi-camera Picture-in-Picture (PiP) video compositing support.
• Added PipeWire streaming driver support alongside V4L2.
• Added hardware-accelerated video encoding support via VA-API and V4L2 M2M.
• Added real-time performance telemetry and metrics monitoring (FPS, frame drop count, latency, bitrate).
• Refactored tests into separate individual unit test files for modular execution.

0.0.2

• Refactored the package using Clean Architecture.
• Replaced FFI with Platform Channels and Event Channels for improved performance and communication.
• Switched to Flutter Textures for optimized camera preview rendering.
• Introduced video recording with optional audio support via the enableAudio setting.
• Added an updated example application demonstrating package features and usage.

0.0.1

• Initial release of the xcamera package.
• Provides a high-level API for camera operations on Linux.
• Features include device discovery, live preview, still image capture, and raw stream access.
• Powered by a native C++ backend using Video4Linux2 for high performance.