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c8f981f045
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feat: phase 5 — Tight decoder with zlib streams and sub-palettes
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codec/tight.rs:
- Full Tight (encoding 7) decoder per ByteColorRFBRenderer.a() line 324
- Control byte: bottom 4 bits = zlib stream reset flags,
top 4 bits = subencoding (0-15)
- Subencoding 8: solid fill (1-byte color)
- Subencoding 15: palette-indexed fill (selector + index)
- Subencodings 4-7: filtered data with optional 2-color palette
- Subencodings 10-13: reduced bit-depth packed (1/2/4 bpp)
- Subencodings 0-3: raw 8bpp data
- Data >= 12 bytes uses zlib compression with varint length
- 4 persistent zlib streams with reset-on-flag logic
- All 4 hardcoded sub-palettes ported as RGB332 indices:
PALETTE_BW (2), PALETTE_GRAY4 (4), PALETTE_GRAY16 (16),
PALETTE_COLOR16 (16 EGA-like colors)
- Bit-depth unpackers: 1bpp, 2bpp, 4bpp (MSB-first)
- 5 unit tests
Updated examples to request [7, 5, 1, 0, -250] (Tight preferred).
Tested against real OmniView: correct rendering with Tight encoding.
32 tests passing.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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2026-05-06 14:44:06 +03:00 |
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e9823aff03
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feat: phase 3 — framebuffer, raw decoder, session pump, snapshot
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framebuffer.rs:
- Framebuffer struct (8bpp RGB332, row-major)
- apply_raw() blit, copy_rect() with overlap-safe logic
- to_rgba() via compile-time RGB332 LUT
session.rs:
- ActiveSession: connect + SetEncodings + initial FBUpdateRequest
- Full server message dispatch loop (all 15 message types)
- Raw (encoding 0) and CopyRect (encoding 1) decoders
- Ping response, bandwidth probe bookends, mode change resize
examples/snapshot.rs:
- Connects, waits for first FramebufferUpdate, saves PNG
- Tested against real OmniView at 10.3.0.130:443
- Successfully captured 640x480 frame
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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2026-05-06 14:23:43 +03:00 |
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3db2927add
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feat: phase 0+1 — workspace scaffold and protocol primitives
Phase 0: Cargo workspace with ericrfb (lib) and ericrfb-proxy (bin)
crates, .envrc for RUST_LOG, workspace dependency pins.
Phase 1: ericrfb/src/proto.rs implements all wire primitives:
- read/write helpers matching h.java (u8, i8, u16-BE, i16-BE, i32-BE)
- varint reader/writer matching aw.int() (1-3 bytes, Tight lengths)
- modified-UTF-8 string reader matching h.byte()
- RectHeader { x: u16, y: u16, w: u16, h: u16, encoding: i32 }
- RGB332 → RGBA compile-time LUT (256 entries)
20 tests including proptest varint roundtrip over [0, 2^22).
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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2026-05-06 13:44:24 +03:00 |
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