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CHANGELOG.md

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0.8.0 (May 26, 2026)

  • Added the feature-gated mux release surface, including MuxRequest, path-first MuxTrackSpec parsing with selector suffixes, flat and fragmented output layout selection, segment or fragment duration modes, sync mux_to_path, mux_into_path, and mux_fragmented_to_paths helpers, Tokio async companions behind mux plus async, and the sync-only mux CLI route
  • Added real MP4 mux writing for both flat and fragmented layouts on one shared mux event graph, with deterministic payload planning, chunk interleaving, duration-based chunking, sync-aligned fragment or segment boundaries, split init/media fragmented outputs, destination update or create-new behavior, preserved flat destination metadata where supported, and explicit validation for unsupported duration-mode or fragmented multi-video requests
  • Added broad mux import coverage for MP4 track import with retained sample-entry bytes, selected AVI, MPEG-PS, MPEG-TS, DASH, NHML, NHNT, SAF, and VobSub-style inputs, plus demux-backed elementary or containerized audio, video, text, subtitle, image, raw-video, and PCM families across the public path-first request shape
  • Added mp4forge::mux::inspect, mp4forge::mux::sample_reader, and mp4forge::mux::rewrite helpers for direct-ingest reporting, packet-focused exports, one-sample-at-a-time seekable or progressive reading, and elementary sample rewrite/export flows for AVC, HEVC, VVC, AV1, AAC ADTS, and MHAS data
  • Expanded typed box and sample-entry coverage needed by the mux, probe, divide, and rewrite paths, including additional DTS, Dolby, IAMF, FLAC, MPEG-H, PCM, uncompressed-visual, codec-configuration, timing, and metadata structures
  • Broadened divide and probe behavior for more video and audio sample-entry families while keeping the existing validation-first workflow for unsupported fragmented output shapes
  • Reworked file-backed decrypt rewrite execution to use streaming root rewrite plans for the supported sync and async surfaces, refreshed affected top-level sidx data after clear-output rewrites, and kept progress-enabled decrypt surfaces byte-aligned with their non-progress companions
  • Added mux-focused examples, expanded retained fixture coverage, moved test output helpers onto auto-cleaned temporary paths, and added fuzz targets for mux demuxing, sample rewrites, async API parity, decrypt byte-surface parity, extra box roundtrips, bit I/O boundaries, and sidx plan application
  • Removed the deprecated dump command -mdat and -free shorthand options; use -full mdat or -full free,skip explicitly instead

0.7.0 (April 28, 2026)

  • Added the feature-gated decryption release surface across sync library helpers, Tokio async file-backed companions, and the sync-only decrypt CLI, covering the Common Encryption family, PIFF compatibility, OMA DCF, Marlin IPMP ACBC and ACGK, and the retained IAEC protected-movie path
  • Added the typed OMA DCF, Marlin, ISMA-IAEC, and descriptor-command box or descriptor support needed to drive the broader protected-format decryption paths without opaque byte-only shortcuts
  • Expanded retained decrypt fixtures, parity harnesses, and cross-surface regression coverage so sync, async, CLI, fragmented, protected-movie, and broader-format decrypt behavior are locked against stable checked-in assets and comparison-backed expectations
  • Extended the fragmented decrypt path to support multi-sample-entry track layouts with per-fragment sample-description switching and ordered zero-KID track-key binding, and verified the resulting clear fragmented output against the existing rebuild workflow
  • Closed the older non-fragmented sample_description_index gap by preserving chunk-level sample description identity in shared layout helpers, positively covering valid Marlin layouts above 1, and making the retained first-description-only OMA and IAEC protected-movie limit explicit where the reviewed higher-level behavior still keeps that scope

0.6.0 (April 26, 2026)

  • Added an additive Tokio-based async feature for the library, covering seekable async traversal, extraction, typed codec decode and encode, writer flows, rewrite flows, probe surfaces, and top-level sidx helpers while keeping the CLI on the established synchronous path
  • Strengthened the async rollout so the supported library paths are multithread-safe under normal tokio::spawn use for independent-file workloads, with dedicated worker-thread and concurrent-file parity coverage
  • Added a focused Tokio async example, updated crate and README guidance for the supported async scope, and preserved the default sync build without changing the existing non-async public API
  • Expanded regression and comparison-backed parity coverage to lock sync-versus-async behavior across shared MP4, fragmented, encrypted, and metadata-rich fixture sets

0.5.0 (April 25, 2026)

  • Added first-class encrypted metadata coverage for typed senc, typed sgpd(seig), resolved sample-encryption helpers, and broader encrypted fragmented fixture coverage across extraction, rewrite, and probe flows
  • Added additive top-level sidx analysis, planning, rewrite, documentation, and example support for the supported fragmented-file layouts
  • Expanded typed box coverage across fragmented timing, metadata, and codec families, including clap, SmDm, CoLL, dec3, dac4, vvcC, AVS3, FLAC, MPEG-H, subs, elng, ssix, leva, evte, silb, emib, emeb, ID32, loudness boxes, prft, typed tref children, sthd, nmhd, kind, mime, cdat, and selected legacy uuid payloads
  • Improved low-level robustness by preserving legal trailing bytes in VisualSampleEntry layouts and carrying those bytes cleanly through traversal and rewrite paths
  • Added prft timestamp and flag helpers, richer examples, and broader regression coverage for fragmented, encrypted, metadata-rich, and legacy MP4 layouts

0.4.0 (April 22, 2026)

  • Added richer additive probe surfaces for broader codec families, codec-specific details, media-characteristics reporting, and lighter-weight probe controls for large-file inspection
  • Added deterministic structured dump and psshdump JSON/YAML export, field-level dump payload reporting, and repeatable path or protection filters shared across text and structured output
  • Expanded CLI path ergonomics with parsed-path extraction, subtree-scoped dump selection, path-scoped typed edit flows, and richer psshdump filtering by box path, system ID, and KID
  • Improved divide by deriving playlist signaling from probed metadata and adding a first-class validation mode for unsupported fragmented layouts before any output is written
  • Added optional serde support for reusable report types, including nested probe and dump companion data intended for library-side embedding
  • Expanded checked-in fixture coverage for AV1, VP9, AAC, Opus, and PCM, and added dedicated high-level fuzz targets for probe, structured dump, and typed rewrite surfaces
  • Refined README guidance, examples, tests, and goldens across the newer higher-level library and CLI workflows while preserving the existing low-level usage paths

0.3.0 (April 22, 2026)

  • Added byte-slice convenience helpers for typed extract, rewrite, and probe workflows so higher-level integrations can stay in-memory without dropping to the lower-level APIs
  • Added exact raw box-byte extraction helpers for full-box and payload-only reads, including registry-aware variants for custom box decoding workflows
  • Added additive BoxPath string parsing with BoxPath::parse, FromStr, and TryFrom<&str> so ergonomic path construction can build on the existing low-level API
  • Expanded examples, tests, and comparison coverage around the new ergonomic helpers while preserving the existing low-level usage paths
  • Refined public docs and README guidance for the new helper surface

0.2.0 (April 21, 2026)

  • Added typed path-based extraction helpers for common read flows: extract_box_as, extract_boxes_as, and extract_boxes_as_with_registry
  • Added typed path-based rewrite helpers for common edit flows: rewrite_box_as, rewrite_boxes_as, and rewrite_boxes_as_with_registry
  • Improved matched payload diagnostics so extraction and rewrite failures report the path, box type, and byte offset that triggered the error
  • Added higher-level examples for the ergonomic helper layer while preserving the existing low-level examples
  • Polished public docs, README coverage, packaging metadata, and release validation around the new helper surface

0.1.0 (April 21, 2026)

  • Initial crate release