WLED TV v1.3.4

WLED TV v1.3.4 - Optical Color Pipeline Consolidation & Zero-Allocation UI Loops

Optical Color Science Consolidation

• ScreenColorProcessor: Deepened into the single consolidated optical color processing engine:
  • Absorbed ColorSmoothingFilter as an internal component; encapsulated temporal EMA smoothing and per-device state tracking.
  • Added high-performance wire encoding (encodeWireFrame) supporting all 6 channel orders (RGB, GRB, BGR, BRG, RBG, GBR) with fast integer enum decoding and zero GC allocations.
  • Implemented SK6812 4-channel RGBW gamut mapping (AUTO_SUBTRACT, AUTO_ADD, OFF), protected by device.wireBytesPerLed to restrict 4-channel encoding to DDP-compatible devices while safely clamping DRGB and WARLS to 3 channels.

Pure Byte Transport & Zero-Allocation Streaming

• WledControllerClient & WledUdpSender:
  • Completely stripped of optical math and channel reordering logic, acting as pure byte transports.
  • Replaced per-pixel loops in sendDdpFrame and sendDrgbFrame with chunked System.arraycopy memory transfers directly into UDP packet buffers.
  • Dynamically sized flashDevice and blackoutFleet payloads based on device.wireBytesPerLed.
• Three-Stage Decoupled Pipeline (AmbientStreamingEngine):
  • Stage 1: Spatial box sampling into pre-allocated rawTargetBuffers upon video frame arrival.
  • Stage 2: Temporal smoothing on 60Hz ticker into canonical RGB deviceBuffers, ensuring liveFrameListener and getOverlayData() always receive undistorted canonical colors.
  • Stage 3: Wire encoding into pre-allocated wireBuffers immediately before UDP transmission.
  • Strict zero GC allocations on the 60 FPS hot path.
• Zero-Allocation UI Test Loops:
  • Rainbow test pattern in MainActivity and real-time color balance preview in CalibrationActivity pre-allocate buffers prior to loop entry, eliminating heap churn during diagnostic tests.

Architecture & Standards

• Recorded ADR 0003: Optical Color Pipeline Consolidation and Wire Encoding.
• Updated GLOSSARY.md and CODING_STANDARDS.md with protocol-safe channel sizing and zero-allocation cadence loop rules.
• 128 JVM unit tests passing 100% green in ~7s.