import type { ViewProps } from 'react-native';
import type { CameraDevice, CameraDeviceFormat, VideoStabilizationMode } from './CameraDevice';
import type { CameraRuntimeError } from './CameraError';
import type { DrawableFrame, Frame } from './Frame';
import type { Orientation } from './Orientation';
export type FrameProcessor =
| {
frameProcessor: (frame: Frame) => void;
type: 'frame-processor';
}
| {
frameProcessor: (frame: DrawableFrame) => void;
type: 'skia-frame-processor';
};
// TODO: Replace `enableHighQualityPhotos: boolean` in favor of `priorization: 'photo' | 'video'`
// TODO: Use RCT_ENUM_PARSER for stuff like previewType, torch, videoStabilizationMode, and orientation
// TODO: Use Photo HostObject for stuff like depthData, portraitEffects, etc.
// TODO: Add RAW capture support
export interface CameraProps extends ViewProps {
/**
* The Camera Device to use.
*
* See the [Camera Devices](https://react-native-vision-camera.com/docs/guides/devices) section in the documentation for more information about Camera Devices.
*
* @example
* ```tsx
* const devices = useCameraDevices('wide-angle-camera')
* const device = devices.back
*
* return (
*
* )
* ```
*/
device: CameraDevice;
/**
* Whether the Camera should actively stream video frames, or not. See the [documentation about the `isActive` prop](https://react-native-vision-camera.com/docs/guides/lifecycle#the-isactive-prop) for more information.
*
* This can be compared to a Video component, where `isActive` specifies whether the video is paused or not.
*
* > Note: If you fully unmount the `` component instead of using `isActive={false}`, the Camera will take a bit longer to start again. In return, it will use less resources since the Camera will be completely destroyed when unmounted.
*/
isActive: boolean;
//#region Use-cases
/**
* Enables **photo capture** with the `takePhoto` function (see ["Taking Photos"](https://react-native-vision-camera.com/docs/guides/capturing#taking-photos))
*/
photo?: boolean;
/**
* Enables **video capture** with the `startRecording` function (see ["Recording Videos"](https://react-native-vision-camera.com/docs/guides/capturing/#recording-videos))
*
* Note: If both the `photo` and `video` properties are enabled at the same time and the device is running at a `hardwareLevel` of `'legacy'` or `'limited'`, VisionCamera _might_ use a lower resolution for video capture due to hardware constraints.
*/
video?: boolean;
/**
* Enables **audio capture** for video recordings (see ["Recording Videos"](https://react-native-vision-camera.com/docs/guides/capturing/#recording-videos))
*/
audio?: boolean;
/**
* Specifies the pixel format for the video pipeline.
*
* Frames from a [Frame Processor](https://mrousavy.github.io/react-native-vision-camera/docs/guides/frame-processors) will be streamed in the pixel format specified here.
*
* While `native` and `yuv` are the most efficient formats, some ML models (such as MLKit Barcode detection) require input Frames to be in RGB colorspace, otherwise they just output nonsense.
*
* - `native`: The hardware native GPU buffer format. This is the most efficient format. (`PRIVATE` on Android, sometimes YUV on iOS)
* - `yuv`: The YUV (Y'CbCr 4:2:0 or NV21, 8-bit) format, either video- or full-range, depending on hardware capabilities. This is the second most efficient format.
* - `rgb`: The RGB (RGB, RGBA or ABGRA, 8-bit) format. This is least efficient and requires explicit conversion.
*
* @default `native`
*/
pixelFormat?: 'native' | 'yuv' | 'rgb';
//#endregion
//#region Common Props (torch, zoom)
/**
* Set the current torch mode.
*
* Note: The torch is only available on `"back"` cameras, and isn't supported by every phone.
*
* @default "off"
*/
torch?: 'off' | 'on';
/**
* Specifies the zoom factor of the current camera, in "factor"/scale.
*
* This value ranges from `minZoom` (e.g. `1`) to `maxZoom` (e.g. `128`). It is recommended to set this value
* to the CameraDevice's `neutralZoom` per default and let the user zoom out to the fish-eye (ultra-wide) camera
* on demand (if available)
*
* **Note:** Linearly increasing this value always appears logarithmic to the user.
*
* @default 1.0
*/
zoom?: number;
/**
* Enables or disables the native pinch to zoom gesture.
*
* If you want to implement a custom zoom gesture, see [the Zooming with Reanimated documentation](https://react-native-vision-camera.com/docs/guides/animated).
*
* @default false
*/
enableZoomGesture?: boolean;
//#endregion
//#region Format/Preset selection
/**
* Selects a given format. By default, the best matching format is chosen.
*/
format?: CameraDeviceFormat;
/**
* Specify the frames per second this camera should use. Make sure the given `format` includes a frame rate range with the given `fps`.
*
* Requires `format` to be set.
*/
fps?: number;
/**
* Enables or disables HDR on this camera device. Make sure the given `format` supports HDR mode.
*
* Requires `format` to be set.
*/
hdr?: boolean;
/**
* Enables or disables low-light boost on this camera device. Make sure the given `format` supports low-light boost.
*
* Requires `format` to be set.
*/
lowLightBoost?: boolean;
/**
* Specifies the video stabilization mode to use.
*
* Requires a `format` to be set that contains the given `videoStabilizationMode`.
*/
videoStabilizationMode?: VideoStabilizationMode;
//#endregion
/**
* Also captures data from depth-perception sensors. (e.g. disparity maps)
*
* @default false
*/
enableDepthData?: boolean;
/**
* A boolean specifying whether the photo render pipeline is prepared for portrait effects matte delivery.
*
* When enabling this, you must also set `enableDepthData` to `true`.
*
* @platform iOS 12.0+
* @default false
*/
enablePortraitEffectsMatteDelivery?: boolean;
/**
* Indicates whether the Camera should prepare the photo pipeline to provide maximum quality photos.
*
* This enables:
* * High Resolution Capture ([`isHighResolutionCaptureEnabled`](https://developer.apple.com/documentation/avfoundation/avcapturephotooutput/1648721-ishighresolutioncaptureenabled))
* * Virtual Device fusion for greater detail ([`isVirtualDeviceConstituentPhotoDeliveryEnabled`](https://developer.apple.com/documentation/avfoundation/avcapturephotooutput/3192189-isvirtualdeviceconstituentphotod))
* * Dual Device fusion for greater detail ([`isDualCameraDualPhotoDeliveryEnabled`](https://developer.apple.com/documentation/avfoundation/avcapturephotosettings/2873917-isdualcameradualphotodeliveryena))
* * Sets the maximum quality prioritization to `.quality` ([`maxPhotoQualityPrioritization`](https://developer.apple.com/documentation/avfoundation/avcapturephotooutput/3182995-maxphotoqualityprioritization))
*
* @default false
*/
enableHighQualityPhotos?: boolean;
/**
* If `true`, show a debug view to display the FPS of the Camera session.
* This is useful for debugging your Frame Processor's speed.
*
* @default false
*/
enableFpsGraph?: boolean;
/**
* Represents the orientation of all Camera Outputs (Photo, Video, and Frame Processor). If this value is not set, the device orientation is used.
*/
orientation?: Orientation;
//#region Events
/**
* Called when any kind of runtime error occured.
*/
onError?: (error: CameraRuntimeError) => void;
/**
* Called when the camera was successfully initialized.
*/
onInitialized?: () => void;
/**
* A worklet which will be called for every frame the Camera "sees".
*
* If {@linkcode previewType | previewType} is set to `"skia"`, you can draw content to the `Frame` using the react-native-skia API.
*
* > See [the Frame Processors documentation](https://mrousavy.github.io/react-native-vision-camera/docs/guides/frame-processors) for more information
*
* @example
* ```tsx
* const frameProcessor = useFrameProcessor((frame) => {
* 'worklet'
* const qrCodes = scanQRCodes(frame)
* console.log(`Detected QR Codes: ${qrCodes}`)
* }, [])
*
* return
* ```
*/
frameProcessor?: FrameProcessor;
//#endregion
}