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Changelog.md

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1.3.4

  • Added configureAudioSession parameter to MediaDeviceQuery constructor.
  • Fixed crash when rapidly switching cameras on WebGL (#23).
  • Fixed rare memory exception when discovering audio devices on WebGL (#24).
  • Fixed CameraDevice.StopRunning not stopping camera device on Safari (#25).
  • Removed MediaDeviceQuery.ConfigureAudioSession static property. Use constructor argument instead.

1.3.3

  • Added CameraImage.Clone method for safely cloning a camera image.
  • Added AudioBuffer.Clone method for safely cloning an audio buffer.
  • Added CameraOutput.image property for inspecting the latest camera image processed by the output.
  • Added CameraOutput.timestamp property for inspecting the latest image timestamp processed by the output.
  • Added AudioOutput.buffer property for inspecting the latest audio buffer processed by the output.
  • Added AudioOutput.timestamp property for inspecting the latest audio buffer timestamp processed by the output.
  • Added TextureOutput.NextFrame method for waiting for the output's next frame.
  • Added RenderTextureOutput.NextFrame method for waiting for the output's next frame.
  • Fixed RenderTextureOutput producing inverted images for the front camera on Android.

1.3.2

  • Media device queries now order devices based on their type, default status, and location (#24).
  • Improved native error handling to prevent hard crashes.
  • Added MediaDeviceQuery constructor that accepts a collection of IMediaDevice instances.
  • Added TextureOutput.OnFrame event for listening for texture output frames.
  • Added RenderTextureOutput.OnFrame event for listening for texture output frames.
  • Fixed three second delay before MediaDeviceQuery.RequestPermissions task completes on Android.
  • Deprecated TextureOutput.onFrame event. Use TextureOutput.OnFrame event instead.
  • Deprecated RenderTextureOutput.onFrame event. Use RenderTextureOutput.OnFrame event instead.
  • Deprecated TextureOutput.textureCreated event. The output texture is now available immediately.
  • Deprecated RenderTextureOutput.textureCreated event. The output texture is now available immediately.

1.3.1

  • Added TextureOutput.textureCreated task property for waiting until the output has received first camera image.
  • Added RenderTextureOutput.textureCreated task property for waiting until the output has received first camera image.
  • Fixed bug where invalid access key was set in the Editor after building from Unity.
  • Fixed bug where builds from the Windows Editor would cause "invalid session token" errors at runtime.
  • Fixed crash after importing and running NatCorder without setting a NatML access key in the Windows Editor.
  • Deprecated TextureOutput.GetAwaiter and await TextureOutput. Use textureCreated property instead.

1.3.0

  • NatDevice can now be tried without an active NatML MediaKit subscription! See the docs for more details.
  • Greatly improved camera streaming performance by adding thread safety and multithreading to CameraDevice. This introduces a breaking change whereby the camera image callback is no longer called on the Unity main thread.
  • Improved AudioDevice memory behaviour on Android by eliminating sample buffer allocations.
  • Improved garbage collection behaviour in PixelBufferOutput and RenderTextureOutput.
  • Added capacity parameter to MediaDeviceQuery constructor to limit number of devices to discover.
  • Added TextureOutput.onFrame event for listening for new camera images in the texture output.
  • Added RenderTextureOutput.onFrame event for listening for new camera images in the texture output.
  • Fixed CameraDevice.CapturePhoto not working on WebGL.
  • Fixed crash when MediaDeviceQuery is created on older Android devices (#12).
  • Fixed sporadic crashes while running the camera preview on Android (#11, #13, #14).
  • Fixed rare crash immediately app is loaded on Android (#8).
  • Removed CameraDevice.exposureLockSupported property.
  • Removed CameraDevice.focusLockSupported property.
  • Removed CameraDevice.whiteBalanceLockSupported property.
  • Removed CameraDevice.exposureRange property.
  • Removed CameraDevice.exposureLock property.
  • Removed CameraDevice.focusLock property.
  • Removed CameraDevice.whiteBalanceLock property.
  • Removed CameraDevice.exposurePoint property.
  • Removed CameraDevice.focusPoint property.
  • Removed CameraDevice.torchEnabled property.
  • NatDevice now requires iOS 14+.

1.2.5

  • Fixed sporadic crash when CameraDevice.flashMode is set on Android.
  • Fixed CameraDevice.StartRunning method blocking for a long time on Windows (#3).
  • Fixed CameraDevice.CapturePhoto raising an exception on Windows (#7).

1.2.4

  • Fixed compiler errors in CameraImage struct on Unity 2021.1.
  • Fixed Failed to validate app token error after setting valid NatML access key in Project Settings.

1.2.3

  • Added support for WebGL. NatDevice now brings all of its features to the web, with no changes in code.
  • Added IMediaOutput<T> interface for working with media device outputs.
  • Added AudioSpectrumOutput output for computing the audio spectrum of audio buffers using the Fast Fourier Transform.
  • Added AudioBuffer constructor that accepts a native float* buffer.
  • Added CameraImage.rowStride property for retrieving the row stride of interleaved camera images.
  • Added TextureOutput.orientation convenience property for getting and setting the texture orientation.
  • Fixed some CameraDevice instances not being discovered on low-end Android models.
  • Fixed bug where continuous autoexposure routine stopped after setting exposure point on iOS (#1).
  • Removed TextureOutput.pixelBufferOutput property. This is now an implementation detail that is subject to change.
  • Removed TextureOutput constructor that accepts PixelBufferOutput. The constructor is now parameterless.

1.2.2

  • Fixed crash after CameraDevice.CapturePhoto callback is invoked on iOS and macOS.
  • Fixed CameraDevice.onDisconnected event not being raised on macOS.
  • Fixed AudioDevice.onDisconnected event not being raised on macOS.
  • Upgraded to Hub 1.0.8.

1.2.1

  • Rewrote Android implementation from scratch in C++ to improve performance and significantly reduce fatal crashes from errors.
  • Added RenderTextureOutput for streaming camera images into RenderTexture for display.
  • Added generic IMediaDevice<T> interface for working with specific types of media devices.
  • Added IMediaDevice.onDisconnected event which is raised when the media device is disconnected.
  • Added AudioBuffer constructor for creating audio buffers for use with device outputs.
  • Added CameraDevice.TorchMode enumeration for finer-grained control of camera torch mode.
  • Added CameraDevice.torchMode property for getting and setting the camera torch mode.
  • Added CameraDevice.WhiteBalanceMode enumeration for finer-grained control of camera white balance mode.
  • Added CameraDevice.WhiteBalanceModeSupported method for checking whether a given white balance mode is supported.
  • Added CameraDevice.whiteBalanceMode property for getting and setting the camera white balance mode.
  • Added CameraDevice.VideoStabilizationMode enumeration for control of camera video stabilization mode.
  • Added CameraDevice.VideoStabilizationModeSupported method for checking whether a given video stabilization mode is supported.
  • Added CameraDevice.videoStabilizationMode property for getting and setting the camera video stabilization mode.
  • Added PixelBufferOutput.ConversionOptions class for specifying options like rotation and mirroring when converting camera images.
  • Added TextureOutput.ConversionOptions class for specifying options like rotation and mirroring when converting camera images.
  • Updated AudioBuffer from a class to a readonly struct for better memory behaviour.
  • Updated CameraImage from a class to a readonly struct for better memory behaviour.
  • Improved performance and memory behaviour of IMediaDevice.uniqueID and IMediaDevice.name properties.
  • Fixed camera image plane buffer size being incorrect on iOS and macOS.
  • Fixed high CPU usage when streaming from an AudioDevice on Android.
  • Fixed AudioDevice failing to start running on some Android devices.
  • Fixed AudioDevice.echoCancellationSupported incorrectly reporting false on a large number of microphones.
  • Fixed AudioDevice.defaultForMediaType not updating when the default device is changed on Windows.
  • Fixed crash when creating a MediaDeviceQuery when system does not have any microphones on Windows.
  • Fixed crash after stopping a CameraDevice on Windows.
  • Fixed rare SIGFPE crash when accessing CameraDevice.frameRate on macOS.
  • Fixed rare IllegalStateException when running a CameraDevice on Android.
  • Fixed rare bug where some CameraDevice preview and photo resolutions were unavailable on Android.
  • Fixed bug where AudioDevice fails to stream after creating a second MediaDeviceQuery on iOS.
  • Deprecated CameraDevice.torchEnabled property. Use CameraDevice.torchMode property instead.
  • Deprecated CameraDevice.whiteBalanceLockSupported property. Use CameraDevice.WhiteBalanceModeSupported method instead.
  • Deprecated CameraDevice.whiteBalanceLock property. Use CameraDevice.whiteBalanceMode property instead.
  • Refactored top-level namespace from NatSuite.Devices to NatML.Devices.

1.2.0

  • Greatly reduced processing and memory cost when streaming camera preview on iOS.
  • Improved audio timestamp accuracy for audio buffers on Android.
  • Reduced memory consumption when streaming microphone audio on Android.
  • Added CameraImage class which provides raw pixel buffers from camera devices with zero memory copies and EXIF metadata.
  • Added AudioBuffer class which provides raw audio sample buffers from media devices with zero memory copies.
  • Added native CameraDevice support on macOS, bringing features like focus control, exposure control, torch, and so on.
  • Added native CameraDevice support on Windows.
  • Added support for manual exposure with CameraDevice.SetExposureDuration method.
  • Added IMediaDevice.defaultForMediaType property for checking if a device is the system default for its media type.
  • Added CameraDevice.exposureMode property for setting the exposure mode.
  • Added CameraDevice.ExposureModeSupported method to check if camera device supports a given exposure mode.
  • Added CameraDevice.focusMode property for setting the focus mode.
  • Added CameraDevice.FocusModeSupported method to check if camera device supports a given focus mode.
  • Added CameraDevice.exposureDurationRange property for setting camera device manual exposure.
  • Added CameraDevice.exposureBiasRange property for setting camera device auto exposure.
  • Added CameraDevice.onDisconnected event which is raised when the camera device is disconnected.
  • Added MediaDeviceQuery.CheckPermissions method for checking current permission status for a given media device type.
  • Added MediaDeviceQuery.ConfigureAudioSession static property for configuring app audio session on iOS.
  • Fixed crash when AudioDevice.StartRunning is called while the microphone is in use by another app on iOS.
  • Fixed CameraDevice incorrectly reporting that locked focus mode is not supported on some Android devices.
  • Fixed CameraDevice incorrectly reporting that focus is not locked when it is on some Android devices.
  • Fixed MediaDeviceQuery.RequestPermissions taking several seconds to complete even when permissions have been granted by the user.
  • Refactored DeviceType enumeration to DeviceLocation.
  • Refactored IMediaDevice.type property to IMediaDevice.location.
  • Refactored FlashMode enumeration to CameraDevice.FlashMode.
  • Deprecated CameraDevice.exposureLock property. Use CameraDevice.exposureMode property instead.
  • Deprecated CameraDevice.exposureLockSupported property. Use CameraDevice.ExposureModeSupported method instead.
  • Deprecated CameraDevice.exposureRange property. Use CameraDevice.exposureBiasRange property instead.
  • Deprecated CameraDevice.exposurePoint property. Use CameraDevice.SetExposurePoint method instead.
  • Deprecated CameraDevice.focusLock property. Use CameraDevice.focusMode property instead.
  • Deprecated CameraDevice.focusLockSupported property. Use CameraDevice.FocusModeSupported method instead.
  • Deprecated CameraDevice.focusPoint property. Use CameraDevice.SetFocusPoint method instead.

1.1.0

  • Greatly reduced camera preview memory consumption on Android.
  • Greatly reduced camera preview latency on Android.
  • Greatly reduced microphone streaming latency on iOS.
  • Added IMediaDevice.type enumeration for checking if device is internal or external.
  • Added AudioDevice.StartRunning overload with callback that is given the native sample buffer handle with no memory copy.
  • Added AudioDevice.echoCancellationSupported boolean for checking if audio device supports echo cancellation.
  • Added CameraDevice.StartRunning overload with callback that is given the raw pixel buffer in managed memory.
  • Added CameraDevice.StartRunning overload with callback that is given the native pixel buffer handle with no memory copy.
  • Added CameraDevice.exposurePointSupported for checking if camera supports setting exposure point.
  • Added CameraDevice.focusPointSupported for checking if camera supports setting focus point.
  • Added MediaDeviceQuery.count property.
  • Added MediaDeviceCriteria.Internal criterion for finding internal media devices.
  • Added MediaDeviceCriteria.External criterion for finding external media devices.
  • Added MediaDeviceCriteria.EchoCancellation criterion for finding microphones that perform echo cancellation.
  • Added MediaDeviceCriteria.Any function for creating a criterion that requires any of the provided sub-criteria.
  • Added MediaDeviceCriteria.All function for creating a criterion that requires all of the provided sub-criteria.
  • Added support for Apple Silicon on macOS.
  • Changed CameraDevice behaviour to no longer pause and resume when app is suspended. You must handle this yourself.
  • Fixed flash not firing on some Android devices.
  • Fixed preview resolution setting being ignored on iOS.
  • Fixed hardware microphone format being ignored on macOS.
  • Fixed memory leak in photo capture on iOS.
  • Fixed memory leak when CameraDevice is stopped on macOS and Windows.
  • Fixed crash when focus point is set on Sony Xperia devices.
  • Fixed non-ASCII characters in AudioDevice name not being captured on Windows.
  • Fixed media device query permission task never completing on Android.
  • Fixed media device query permission task never completing on Windows.
  • Fixed permissions dialog not being presented on UWP.
  • Refactored MediaDeviceQuery.Criteria to MediaDeviceCriteria.
  • Refactored MediaDeviceCriteria.RearFacing to MediaDeviceCriteria.RearCamera.
  • Refactored MediaDeviceCriteria.FrontFacing to MediaDeviceCriteria.FrontCamera.
  • Refactored MediaDeviceQuery.currentDevice to MediaDeviceQuery.current.
  • Deprecated MediaDeviceQuery.devices property. The query now acts as a collection itself.
  • Removed IAudioDevice interface. All microphones are now exposed as AudioDevice instances.
  • Removed ICameraDevice interface. All cameras are now exposed as CameraDevice instances.
  • Removed WebCameraDevice class.
  • Removed MixerDevice class.
  • Removed MediaDeviceCriteria.GenericCameraDevice.
  • Removed FrameOrientation enumeration. Use Unity's ScreenOrientation enumeration instead.
  • NatDevice now requires Android API level 24+.
  • NatDevice now requires iOS 13+.
  • NatDevice now requires macOS 10.15+.

1.0.2

  • Moved documentation online.
  • Added native permissions requests on iOS and macOS.
  • Echo cancellation can now be enabled and disabled on AudioDevice instances that support it.
  • Changed MediaDeviceQuery to only accept a single criterion, instead of multiple.
  • Fixed hard crash on iPhone 6 when MediaDeviceQuery is created.
  • Fixed AudioDevice causing NatCorder to crash when recording is stopped on iOS.
  • Fixed AudioDevice reporting incorrect format before the device starts running on iOS.
  • Deprecated MediaDeviceQuery.count property. Use MediaDeviceQuery.devices.Length instead.
  • Deprecated MediaDeviceQuery.Criterion delegate type. Use System.Predicate delegate from .NET BCL instead.
  • Deprecated MediaDeviceQuery.Criteria.EchoCancellation criterion as it is no longer useful.

1.0.1

  • Updated top-level namespace to NatSuite.Devices for parity with other NatSuite API's.
  • Fixed camera device query crash on Galaxy S10 and S10+.
  • Fixed sporadic crashes on some Android devices when the camera preview is started.
  • Fixed crash due to JNI local reference table overflow on Android.
  • Fixed MediaDeviceQuery.Criteria.FrontFacing not finding any cameras on iOS.
  • Fixed iOS archive generating error due to NatDevice not being built with full bitcode generation.

1.0.0

  • First release.