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