MattJackson
cb099531c9
- SectorReader trait decouples disc scanning from SCSI - Disc::scan_image() for ISO and any sector source - resolve_encryption() handles AACS 1.0/2.0/none in one path - IsoStream: full UDF/MPLS/CLPI/labels pipeline from ISO files - StdioStream: stdin/stdout pipe - Strict scheme:// URL format with validation - Labels module refactored to SectorReader - 7 stream types total
124 lines
6.2 KiB
Markdown
124 lines
6.2 KiB
Markdown
# Changelog
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## 0.7.1 (2026-04-11)
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### SectorReader trait
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- **`SectorReader` trait** — decouples disc scanning from SCSI. UDF, MPLS, CLPI, labels, and AACS resolution now work with any sector source.
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- **`Disc::scan_image()`** — scan ISO images or any SectorReader. Full title/stream/label/AACS pipeline, no drive required.
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- **`resolve_encryption()`** — single function handles AACS 1.0, 2.0, or none. Uses whatever path works (KEYDB VUK, handshake, media key, device key).
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### Stream types
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- **7 stream types** — Disc, ISO, MKV, M2TS, Network, Stdio, Null
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- **`IsoStream`** — read/write Blu-ray ISO images. Uses `Disc::scan_image()` for full UDF parsing (not heuristic scanning).
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- **`StdioStream`** — stdin/stdout pipe, format-agnostic
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- **Strict URL format** — all URLs require `scheme://path`. Bare paths rejected with clear error messages.
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- **Validation** — empty paths, missing ports, read-only/write-only direction errors
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### IOStream trait
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- `IOStream` trait for all stream types (Read + Write + info + finish)
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- `open_input()` / `open_output()` resolve URL strings to stream instances
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## 0.7.0 (2026-04-11)
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### Stream I/O architecture
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- **5 stream types** — Disc, MKV, M2TS, Network, Null
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- **`IOStream` trait** — common interface for all streams
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- **URL resolver** — `open_input()` / `open_output()` with scheme://path format
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- **FMKV metadata header** — JSON metadata embedded in M2TS and network streams
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- **Bidirectional MKV** — MkvStream reads and writes Matroska containers
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- **Network streaming** — TCP with metadata header, TCP_NODELAY
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- **BD-TS demuxer** — PAT/PMT scanning, PTS duration detection
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- **EBML reader** — parse existing MKV files for read-side MkvStream
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## 0.6.0 (2026-04-10)
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### API improvements
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- **`open()` works on all drives** — no profile match required. Unknown drives can scan, read BD/DVD at OEM speed. `init()` is optional and adds features (riplock removal, UHD reads, speed control).
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- **`has_profile()`** — check if unlock parameters are available for this drive
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- **`find_drives()`** — returns all optical drives, not just profile-matched ones
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- **`raw_gc_010c`** on `DriveId` — raw GET_CONFIG 010C response bytes for profile sharing
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### AACS 2.0
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- **SCSI handshake wired end-to-end** — ECDH key agreement, real Volume ID from drive, read data key for bus decryption
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- **Bus decryption active** — UHD discs with bus encryption now decrypted transparently
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- **VUK derivation from Media Key + VID** — works for discs not in KEYDB (processing key + device key paths)
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### MKV muxer
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- **15 new files** — EBML writer, TS demuxer, stream assembly pipeline
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- **Codec parsers** — H.264, HEVC, AC-3, DTS, TrueHD, PGS, VC-1
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- **`MkvStream`** — builder pattern, wraps any `impl Write`, configurable lookahead buffer
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### Cleanup
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- Removed orphaned `jar.rs` (342 lines) — replaced by `labels/` module
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- Error refactor: 40+ sites converted from English strings to typed error codes
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## 0.5.0 (2026-04-09)
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### Read pipeline — 5x speed improvement
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- **Kernel transfer limit detection**: auto-detect `max_hw_sectors_kb` via sysfs, resolve sg→block device. Previously hardcoded to 510 sectors (1MB) which exceeded the 120KB kernel limit, causing all reads to error and fall back to 6KB reads at 4.8 MB/s. Now auto-tunes to 48 sectors (96KB) or whatever the device supports.
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- **Result: 12.5 MB/s sustained, 23 MB/s peak** (was 4.8 MB/s)
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### LibreDrive — full init pipeline
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- **All 10 ARM handlers translated**: unlock, firmware upload (A: WRITE_BUFFER, B: MODE SELECT), calibrate (256 zones), register reads, status, probe, set_read_speed, keepalive, timing
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- **Cold boot firmware upload**: WRITE_BUFFER 1888B (A variant) or MODE SELECT 2496B (B variant) proven on hardware
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- **Speed calibration**: 256+ disc surface probes, 64-entry speed table, triple SET_CD_SPEED
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- **Platform trait locked down**: `pub(crate)`, 3 methods only (init, set_read_speed, is_ready)
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- **Init guard**: prevents double-init, signature mismatch aborts early
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### MPLS parser fixes
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- **PGS in audio slots**: subtitle language read at correct offset (was truncated: "ng " → "eng")
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- **Secondary PG entries**: n_pip_pg loop added for correct STN position tracking
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- **Secondary stream types**: stream_type 5 (sec audio), 6 (sec video), 7 (DV EL) attribute parsing
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- **Empty stream filter**: coding_type 0x00 entries (padding) no longer appear as "Unknown(0)"
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### Profiles
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- **206 profiles with full per-drive data**: ld_microcode (base64), all CDBs, speed tables, signatures
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- **Automated pipeline**: `sdf_unpack --profiles` → profiles.json (no manual merging)
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## 0.4.0 (2026-04-07)
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### Labels — complete rewrite
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- **Detect-then-parse architecture**: each BD-J authoring format has its own parser module with `detect()` and `parse()` functions. Drop in a new parser with one line in the registry.
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- **5 format parsers**: Paramount (`playlists.xml`), Criterion (`streamproperties.xml`), Pixelogic (`bluray_project.bin`), Warner CTRM (`menu_base.prop` / `language_streams.txt`), shared label vocabulary (`vocab.rs`)
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- **Raw disc data principle**: label data passes through as-is from disc. Only BD-standard codec identifiers (MLP, AC3, DTS) are mapped to display names. Unknown authoring tool codes (csp, eda, cf) pass through raw.
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- **`variant` field**: replaces `region` — language dialect codes from authoring tools, not BD spec regions
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- Removed: old `jar` module (superseded by labels)
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- Removed: dead label apply functions from disc.rs
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### Drive
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- **`DriveSession::eject()`**: sends PREVENT ALLOW MEDIUM REMOVAL then START STOP UNIT. Works reliably after raw mode unlock.
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- **`DiscRegion` enum**: Free, BluRay(A/B/C), Dvd(1-8). UHD always region-free.
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### Capture
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- **Fixed sector range collection**: captures ALL files on disc (only skips STREAM/ video files and >50MB). Previously skipped BACKUP/, DUPLICATE/, and files >10MB which missed JAR content.
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## 0.3.1
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- Labels module: 4 disc file parsers for stream labels
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- Simplified labels API
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## 0.3.0
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- Initial public release
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- SCSI transport (Linux SG_IO, macOS IOKit)
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- UDF 2.50 filesystem reader
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- MPLS/CLPI parsers with full STN support
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- Drive identification + profile matching
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- 206 bundled drive profiles
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- AACS 1.0 decryption (VUK + unit keys)
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