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Changelog

0.2.1

Added

  • Added direct Android USB UVC/MJPEG preview for the Sony a6700 in USB Streaming mode. The Sony-specific libuvc framing fix reconstructs MJPEG frames split across Android 16 KB bulk reads and publishes only complete JPEGs ending in EOI.
  • Added USB stream state, frame cadence, resolution, frame-gap, transport, and USB audio device diagnostics.
  • Added native USB streaming views for Android and iOS, plus production-readiness, hardware-evidence, setup, and third-party provenance documentation.

Changed

  • Vendored the complete patched UVCAndroid source at its exact upstream commit and added reproducible build, four-ABI verification, certified-artifact rollback, and SHA-256 integrity tooling.

0.2.0

Fixed

  • Replaced the SDIO_GetAllExtDevicePropInfo (0x9209) byte scan with a real SDIExtDevicePropInfo parser on Android and iOS. The previous reader searched the payload for a two-byte property code and assumed a fixed offset to the current value, so it could match bytes inside an earlier property's enumeration list and return an unrelated value. Against a fixture where D215's code appears in a preceding enumeration, the old reader returned 4 where the true value was 0x8001 — below the 0x8000 capture-ready threshold, which presents as "the camera fired, but no JPEG reached the app".
  • connect(options) no longer throws. The native functions took zero arguments while TypeScript declared an optional options object, and Expo validates argument count. Overrides are recorded in diagnostics and ignored; candidate selection is still unimplemented.
  • Android now routes ScalarWebAPI traffic over the camera's Wi-Fi network via ConnectivityManager.requestNetwork. A camera Wi-Fi Direct link has no internet, so Android kept cellular as the process default and requests could leave the device.
  • Android calls startRecMode when the camera advertises it, then re-reads the API list. Several bodies expose almost no shooting APIs until remote shooting mode is entered, so supported cameras could be reported as unsupported.
  • ScalarWebAPI requests are routed to the service the descriptor advertises (camera, system, avContent, guide) instead of being hardcoded to camera.
  • Focus waits use Sony's long-polling getEvent against a deadline instead of a blind sleep loop, and report started rather than implying focus was confirmed.
  • The Android unit test suite referenced parseLiveViewJpeg, which does not exist, so it had never compiled. CI never ran Gradle, so nothing caught it. Both are fixed.
  • Fixed a DateFormatter data race in the new iOS diagnostics buffer.
  • Capabilities are now derived from the camera's own GetDeviceInfo (0x1001) response. Both controllers previously returned hardcoded feature literals, so the package claimed capabilities it had never checked. A camera that does not advertise the underlying operation, property, or event codes is now reported as not supporting the feature, and a camera that refuses GetDeviceInfo reports an empty feature set rather than a guess.
  • Large objects transfer via GetPartialObject (0x101B) in 4 MB windows above an 8 MB threshold, when the camera advertises it. GetObject needed one contiguous allocation the size of the whole file, which fails on mid-range Android devices well before the 100 MB container ceiling and rejected larger RAW files outright.
  • ScalarWebAPI discovery now issues an SSDP M-SEARCH for urn:schemas-sony-com:service:ScalarWebAPI:1 before falling back to the two fixed Wi-Fi Direct addresses, so cameras on infrastructure networks are discoverable.
  • iOS capture no longer queues behind the live-view loop on the same serial queue, where prepareLiveView could hold it for minutes. Capture now waits for the loop to yield, bounded, and fails fast instead.

Added

  • getDiagnostics() and clearDiagnostics() are implemented on Android and iOS. They were declared in TypeScript and implemented on neither. iOS gained a diagnostics buffer.
  • npm run sync-version propagates package.json into the podspec and build.gradle, and runs from prepare and prepublishOnly. sync-version:check fails CI on drift. The publish workflow now bumps, tags, publishes, and pushes only after a successful publish.
  • CI runs the Kotlin unit tests, format:check, and the version-sync check.
  • Android USB device filter also matches Sony still-image interfaces that omit the PTP subclass and protocol descriptors in PC Remote mode.
  • capturePreviewFrame() persists the current live-view frame without triggering the shutter. Preview frames previously never reached JavaScript at all. It returns a preview-resolution still and does not emit onPhotoCaptured.

Changed

  • docs/ROADMAP.md replaced with an audit of the package against Sony's Camera Control PTP 2 and PTP 3 references, and a plan targeting the complete documented command surface through a generic protocol engine rather than per-property bindings.

0.1.1

  • Expanded NPM keywords, package description, GitHub discoverability, and README search language for Sony camera, Expo, React Native, PTP, ScalarWebAPI, live view, and remote shutter integrations.
  • Clarified tested Sony Alpha model terminology and the PTP3 roadmap boundary.
  • Documented the exact runtime API, protocol findings, support evidence, architecture, hardware-validation process, and capability roadmap.
  • Recorded Sony's announced PTP2 compatibility warning and the package's licensing boundary.

0.1.0

  • Initial experimental standalone Expo module.
  • Android USB PTP2 and ScalarWebAPI transport extraction.
  • iOS wired PTP2 transport extraction.
  • Example app for connection, live view, and still capture.