core.d.ts
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export interface CameraDevice {
id: string;
label: string;
}
export interface CameraCapability<T> {
isSupported(): boolean;
apply(value: T): Promise<void>;
value(): T | null;
}
export interface RangeCameraCapability extends CameraCapability<number> {
min(): number;
max(): number;
step(): number;
}
export interface BooleanCameraCapability extends CameraCapability<boolean> {
}
export interface CameraCapabilities {
zoomFeature(): RangeCameraCapability;
torchFeature(): BooleanCameraCapability;
}
export type OnRenderSurfaceReady = (viewfinderWidth: number, viewfinderHeight: number) => void;
export interface RenderingCallbacks {
onRenderSurfaceReady: OnRenderSurfaceReady;
}
export interface RenderedCamera {
getSurface(): HTMLVideoElement;
pause(): void;
resume(onResumeCallback: () => void): void;
isPaused(): boolean;
close(): Promise<void>;
getRunningTrackCapabilities(): MediaTrackCapabilities;
getRunningTrackSettings(): MediaTrackSettings;
applyVideoConstraints(constraints: MediaTrackConstraints): Promise<void>;
getCapabilities(): CameraCapabilities;
}
export interface CameraRenderingOptions {
aspectRatio?: number;
}
export interface Camera {
render(parentElement: HTMLElement, options: CameraRenderingOptions, callbacks: RenderingCallbacks): Promise<RenderedCamera>;
}