scandit-web-datacapture-core/build/js/chunks/chunk-XLX4QIMT.js

Scandit Data Capture SDK for the Web

import { a as a$1 } from './chunk-R6E4CT22.js';
import { a as a$5 } from './chunk-FSH6LHLS.js';
import { b as b$1 } from './chunk-SD5C67QU.js';
import { b } from './chunk-FTD535WI.js';
import { a } from './chunk-JKL2W65E.js';
import { d } from './chunk-SK45SCLY.js';
import { a as a$3 } from './chunk-SP3HSP4K.js';
import { a as a$4 } from './chunk-QCZSSQAQ.js';
import { a as a$2 } from './chunk-PSQ6LAQA.js';

var w=(r=>(r.CONTINUOUS="continuous",r.MANUAL="manual",r.NONE="none",r.SINGLE_SHOT="single-shot",r))(w||{}),R=(s=>(s[s.ULTRA_HD=0]="ULTRA_HD",s[s.FULL_HD=1]="FULL_HD",s[s.HD=2]="HD",s[s.SD=3]="SD",s[s.NONE=4]="NONE",s))(R||{}),L=(t=>(t.CAMERA_PROPERTIES="cameraProperties",t.CAMERA_ACCESS_ERROR="cameraAccessError",t))(L||{}),n=class n{constructor(){this.checkCameraVideoStreamAccessIfVisibleListener=this.checkCameraVideoStreamAccessIfVisible.bind(this);this.handleWebGLContextLostListener=this.handleWebGLContextLost.bind(this);this.listeners=new Map;this.mirrorImageOverrides=new Map;this.postStreamInitializationListener=this.postStreamInitialization.bind(this);this.triggerManualFocusListener=this.triggerManualFocus.bind(this);this.triggerZoomMoveListener=this.triggerZoomMove.bind(this);this.triggerZoomStartListener=this.triggerZoomStart.bind(this);this.videoResizeListener=a$1(this.handleVideoResize.bind(this),500);this.videoTrackEndedListener=this.videoTrackEndedRecovery.bind(this);this.videoTrackMuteListener=this.videoTrackMuteRecovery.bind(this);this._synchronousFrameHandling=!1;this._glFrameReaders={GRAYSCALE:null,RGBA:null};this._frameReaderType="RGBA";this.cameraPosition="worldFacing",this.gui={isCameraRecoveryVisible:()=>!1,setCameraRecoveryVisible:()=>{}},this.isWebGLSupported=!a$2.checkBrowserCompatibility().missingFeatures.includes("webGL"),this.videoElement=document.createElement("video"),this.canvas=document.createElement("canvas"),this.canvas.addEventListener("webglcontextlost",this.handleWebGLContextLostListener);}get mediaStream(){return this._mediaStream}set mediaStream(e){this._mediaStream=e,e&&(this.mediaTrackCapabilitiesPromise=new Promise(t=>{this.mediaTrackCapabilitiesPromiseResolver=t;}));}get synchronousFrameHandling(){return this._synchronousFrameHandling}get canvas2dContext(){return this._canvas2dContext||(this._canvas2dContext=this.canvas.getContext("2d",{willReadFrequently:!0}),this._canvas2dContext==null&&a$3.log(a$3.Level.Warn,"Unable to get 2d canvas context"),this.handleVideoResize()),this._canvas2dContext}get canvasWebGLContext(){var e;if(!this._canvas2dContext&&!this._canvasWebGLContext){if(!this.isWebGLSupported){a$3.log(a$3.Level.Warn,"WebGL context not supported, falling back to 2d canvas context. This may impact the scanning performance.");return}let t=(e=this.canvas.getContext("webgl",{alpha:!1,antialias:!1}))!=null?e:this.canvas.getContext("experimental-webgl",{alpha:!1,antialias:!1});t!=null&&(this._canvasWebGLContext=t,this.handleVideoResize());}return this._canvasWebGLContext}static instance(){return n._instance==null&&(n._instance=new n),n._instance}recycle(e){var t;(t=this.getFrameReader())==null||t.recycle(e);}getCurrentFrame(){var e;return (e=this._glFrameReaders.RGBA)==null?void 0:e.readFromSource(this.videoElement)}requestVideoFrame(e){return "requestVideoFrameCallback"in HTMLVideoElement.prototype?this.videoElement.requestVideoFrameCallback(e):requestAnimationFrame(e)}cancelVideoFrame(e){if("cancelVideoFrameCallback"in HTMLVideoElement.prototype){this.videoElement.cancelVideoFrameCallback(e);return}cancelAnimationFrame(e);}addListener(e,t){var r;let i=(r=this.listeners.get(e))!=null?r:[];i.includes(t)||this.listeners.set(e,[...i,t]);}async applyCameraSettings(e){if(this.selectedCameraSettings=e,this.activeCamera==null)throw new a$4(n.noCameraErrorParameters);return this.initializeCameraWithSettings(this.activeCamera,e)}captureImage(){var e;if(((e=this.mediaStream)==null?void 0:e.active)!=null){if(this.canvasWebGLContext!=null)return this.captureImageForWebGLContext();if(this.canvas2dContext!=null)return this.captureImageFor2dContext()}return null}async initializeCameraWithSettings(e,t){if(this.cameraInitializationPromise&&await this.cameraInitializationPromise,e==null)throw new a$4(n.noCameraErrorParameters);return this.setSelectedCamera(e),this.selectedCameraSettings=t,this.activeCameraSettings=t,this.cameraInitializationPromise=this.initializeCameraAndCheckUpdatedSettings(e),this.cameraInitializationPromise}isMirrorImageEnabled(){if(this.selectedCamera&&this.activeCamera){let e=this.mirrorImageOverrides.get(this.activeCamera);return e!=null?e:this.activeCamera.position==="userFacing"}return !1}isPinchToZoomEnabled(){return this.pinchToZoomEnabled}isTapToFocusEnabled(){return this.tapToFocusEnabled}async isTorchAvailable(){var e;return this.mediaStream?(await this.waitForCapabilities(),((e=this.mediaTrackCapabilities)==null?void 0:e.torch)===!0):!1}async playVideo(){return new Promise(e=>{this._canvas2dContext&&this._canvas2dContext.clearRect(0,0,this.canvas.width,this.canvas.height);let t=this.videoElement.play();t==null?e():t.then(e).catch(()=>{e();});})}async reinitializeCamera(){if(this.activeCamera==null)a$3.log(a$3.Level.Debug,"Camera reinitialization delayed");else {a$3.log(a$3.Level.Debug,"Reinitialize camera:",this.activeCamera);try{let e=this.activeCamera;await this.stopStream(),await this.initializeCameraWithSettings(e,this.activeCameraSettings);}catch(e){throw a$3.log(a$3.Level.Warn,"Couldn't access camera:",this.activeCamera,e),this.emit("cameraAccessError",e),e}}}removeListener(e,t){var s;let r=((s=this.listeners.get(e))!=null?s:[]).filter(o=>o!==t);this.listeners.set(e,r);}async setCameraPosition(e){var i;this.setInitialCameraPosition(e);let t=d.getMainCameraForPosition(await d.getCameras(),e);if(t&&t.deviceId!==((i=this.selectedCamera)==null?void 0:i.deviceId))return this.initializeCameraWithSettings(t,this.selectedCameraSettings)}async setExposure(e){var r,s,o,m,d,l,v,p;let t=(s=(r=this.mediaStream)==null?void 0:r.getVideoTracks())!=null?s:[];if(t.length===0||typeof t[0].applyConstraints!="function")return;await this.waitForCapabilities();let i=e.time!=null&&e.time>0?"manual":"continuous";if(((m=(o=this.mediaTrackCapabilities)==null?void 0:o.exposureMode)==null?void 0:m.includes(i))===!0){if(await t[0].applyConstraints({advanced:[{exposureMode:i}]}),e.time!=null&&e.time>0&&this.mediaTrackCapabilities.exposureTime){let u=Math.max((d=this.mediaTrackCapabilities.exposureTime.min)!=null?d:.01,Math.min(e.time,(l=this.mediaTrackCapabilities.exposureTime.max)!=null?l:1e5));await t[0].applyConstraints({advanced:[{exposureTime:u}]});}else if(e.compensation!=null&&i==="continuous"&&this.mediaTrackCapabilities.exposureCompensation){let u=Math.max((v=this.mediaTrackCapabilities.exposureCompensation.min)!=null?v:-10,Math.min(e.compensation,(p=this.mediaTrackCapabilities.exposureCompensation.max)!=null?p:10));await t[0].applyConstraints({advanced:[{exposureCompensation:u}]});}}}async setFocus(e){var i,r,s,o,m;if(!this.mediaStream)return;let t=this.mediaStream.getVideoTracks();if(t.length>0&&typeof t[0].applyConstraints=="function"){await this.waitForCapabilities();let d=e>=0?"manual":"continuous";if(((r=(i=this.mediaTrackCapabilities)==null?void 0:i.focusMode)==null?void 0:r.includes(d))===!0&&(await t[0].applyConstraints({advanced:[{focusMode:d}]}),d==="manual"&&this.mediaTrackCapabilities.focusDistance)){let l=Math.max(0,Math.min(e,1))*(((s=this.mediaTrackCapabilities.focusDistance.max)!=null?s:1e3)-((o=this.mediaTrackCapabilities.focusDistance.min)!=null?o:.01))+((m=this.mediaTrackCapabilities.focusDistance.min)!=null?m:.01);await t[0].applyConstraints({advanced:[{focusDistance:l}]});}}}async setFrameRate(e){var t,i,r;if(this.mediaStream&&(await this.waitForCapabilities(),(t=this.mediaTrackCapabilities)!=null&&t.frameRate)){let s=this.mediaStream.getVideoTracks();if(s.length>0&&typeof s[0].applyConstraints=="function"){let o=Math.min((i=this.mediaTrackCapabilities.frameRate.max)!=null?i:240,(r=e.max)!=null?r:240);await s[0].applyConstraints({advanced:[{frameRate:o}]});}}}setInitialCameraPosition(e){this.cameraPosition=e;}setInteractionOptions(e,t,i){this.torchToggleEnabled=e,this.tapToFocusEnabled=t,this.pinchToZoomEnabled=i;}setMirrorImageEnabled(e,t){this.selectedCamera&&(e?(this.videoElement.classList.add(n.MIRRORED_CLASS_NAME),this.canvas.classList.add(n.MIRRORED_CLASS_NAME)):(this.videoElement.classList.remove(n.MIRRORED_CLASS_NAME),this.canvas.classList.remove(n.MIRRORED_CLASS_NAME)),t&&this.mirrorImageOverrides.set(this.selectedCamera,e));}setPinchToZoomEnabled(e){this.pinchToZoomEnabled=e,this.mediaStream&&(this.pinchToZoomEnabled?this.enablePinchToZoomListeners():this.disablePinchToZoomListeners());}setSelectedCamera(e){this.selectedCamera=e;}setSelectedCameraSettings(e){this.selectedCameraSettings=e;}setTapToFocusEnabled(e){this.tapToFocusEnabled=e,this.mediaStream&&(this.tapToFocusEnabled?this.enableTapToFocusListeners():this.disableTapToFocusListeners());}async setTorchEnabled(e){var t;if(this.mediaStream&&((t=this.mediaTrackCapabilities)==null?void 0:t.torch)===!0){this.torchEnabled=e;let i=this.mediaStream.getVideoTracks();i.length>0&&typeof i[0].applyConstraints=="function"&&await i[0].applyConstraints({advanced:[{torch:e}]});}}async setZoom(e){var t,i,r;if(this.mediaStream&&(await this.waitForCapabilities(),(t=this.mediaTrackCapabilities)!=null&&t.zoom)){let s=this.mediaStream.getVideoTracks();if(s.length>0&&typeof s[0].applyConstraints=="function"){let o=Math.max((i=this.mediaTrackCapabilities.zoom.min)!=null?i:1,Math.min(e,(r=this.mediaTrackCapabilities.zoom.max)!=null?r:16));await s[0].applyConstraints({advanced:[{zoom:o}]});}}}async setupCameras(){return this.cameraSetupPromise?this.cameraSetupPromise:(this.cameraSetupPromise=this.setupCamerasAndStream(),this.cameraSetupPromise)}pauseStream(){if(!this.mediaStream)return;let e=this.mediaStream.getVideoTracks()[0];e.enabled=!1,a$3.log(a$3.Level.Debug,"Pause camera video stream",this.mediaStream);}resumeStream(){if(!this.mediaStream)return;let e=this.mediaStream.getVideoTracks()[0];e.enabled=!0,a$3.log(a$3.Level.Debug,"Resume camera video stream",this.mediaStream);}async stopStream(e=!1){this.activeCamera&&(this.activeCamera.currentResolution=void 0),this.activeCamera=void 0,this.torchEnabled=!1,this.mediaStream&&(a$3.log(a$3.Level.Debug,`Stop camera video stream access${e?" (abort access detection)":""}:`,this.mediaStream),document.removeEventListener("visibilitychange",this.checkCameraVideoStreamAccessIfVisibleListener),window.clearTimeout(this.cameraAccessTimeout),window.clearInterval(this.videoMetadataCheckInterval),window.clearTimeout(this.getCapabilitiesTimeout),window.clearTimeout(this.manualFocusWaitTimeout),window.clearTimeout(this.manualToAutofocusResumeTimeout),window.clearInterval(this.autofocusInterval),this.videoElement.pause(),await new Promise(t=>{setTimeout(()=>{var i,r,s;for(let o of (r=(i=this.mediaStream)==null?void 0:i.getVideoTracks())!=null?r:[])o.removeEventListener("ended",this.videoTrackEndedListener),o.stop();this.videoElement.srcObject=null,this._canvas2dContext&&this._canvas2dContext.clearRect(0,0,this.canvas.width,this.canvas.height),this.mediaStream=void 0,this.mediaTrackCapabilities=void 0,this.mediaTrackCapabilitiesPromise=void 0,this.mediaTrackCapabilitiesPromiseResolver=void 0,e||(s=this.abortedCameraInitializationResolveCallback)==null||s.call(this),t();},0);}));}stopVideoTracks(){if(this.mediaStream!=null)for(let e of this.mediaStream.getVideoTracks())e.stop();}async toggleTorch(){this.torchEnabled=!this.torchEnabled,await this.setTorchEnabled(this.torchEnabled);}updateCanvasVideoImage(){this.canvas2dContext.drawImage(this.videoElement,0,0);}async waitForCapabilities(){var e;return (e=this.mediaTrackCapabilitiesPromise)!=null?e:Promise.resolve()}setFrameReaderType(e){e!==this._frameReaderType&&(this._frameReaderType=e,a$3.log(a$3.Level.Debug,`Change frame reader type to ${this._frameReaderType} mode`));}async allowPictureInPicture(e){e?(this.videoElement.disablePictureInPicture=!1,this.videoElement.removeAttribute("controlslist"),this.videoElement.removeAttribute("disablepictureinpicture")):(this.videoElement.disablePictureInPicture=!0,this.videoElement.setAttribute("controlslist","nodownload"),this.videoElement.setAttribute("disablepictureinpicture","true")),await this.reinitializeCamera();}setFrameHandling(e){var t;this._synchronousFrameHandling=e,this._frameReaderOptions=this.getFrameReaderOptions(e),(t=this._glFrameReaders[this._frameReaderType])==null||t.dispose(),delete this._glFrameReaders[this._frameReaderType];}async accessAutoselectedCamera(e){let t=d.sortCamerasForCameraPosition(e,this.cameraPosition),i=t.shift();for(;i;)try{await this.initializeCameraWithSettings(i,this.selectedCameraSettings);return}catch(r){if(this.setSelectedCamera(),t.length>0){a$3.log(a$3.Level.Warn,"Couldn't access camera:",i,r),i=t.shift();continue}throw r}throw new a$4(n.noCameraErrorParameters)}getFrameReaderOptions(e){return e?{minPoolCapacity:0,maxPoolCapacity:1}:a$2.isDesktopDevice()?{maxPoolCapacity:2,minPoolCapacity:1}:{maxPoolCapacity:10,minPoolCapacity:3}}getFrameReader(){var t;if(this._glFrameReaders[this._frameReaderType])return this._glFrameReaders[this._frameReaderType];if(!this._canvasWebGLContext)return null;let e=(t=this._frameReaderOptions)!=null?t:this.getFrameReaderOptions(this._synchronousFrameHandling);switch(this._frameReaderType){case"GRAYSCALE":{this._glFrameReaders.GRAYSCALE=new a$5(this._canvasWebGLContext,e),this._glFrameReaders.RGBA=new b$1(this._canvasWebGLContext,{minPoolCapacity:1,maxPoolCapacity:2});break}case"RGBA":{this._glFrameReaders.RGBA=new b$1(this._canvasWebGLContext,e);break}default:b(this._frameReaderType);}return a$3.log(a$3.Level.Debug,`Created frame reader ${this._frameReaderType}`,e),this._glFrameReaders[this._frameReaderType]}async accessInitialCamera(){let e={position:this.cameraPosition,deviceId:"",label:""};try{await this.initializeCameraWithSettings(e,this.selectedCameraSettings);}catch(t){}finally{this.setSelectedCamera();}return e}recreateCanvas(){this.canvas.removeEventListener("webglcontextlost",this.handleWebGLContextLostListener),this._canvasWebGLContext=void 0,this._canvas2dContext=void 0;for(let t of Object.values(this._glFrameReaders))t==null||t.dispose();let e=document.createElement("canvas");e.addEventListener("webglcontextlost",this.handleWebGLContextLostListener),e.width=this.canvas.width,e.height=this.canvas.height,e.className=this.canvas.className,this.canvas=e;}captureImageFor2dContext(){if(!this.isVideoAndContextStateValid())return null;let{width:e,height:t}=this.canvas;return {colorType:"RGBA",data:this.canvas2dContext.getImageData(0,0,e,t).data,width:e,height:t}}areVideoAndWebGLSizeMismatching(){return this.canvasWebGLContext?this.canvasWebGLContext.drawingBufferWidth!==this.videoElement.videoWidth||this.canvasWebGLContext.drawingBufferHeight!==this.videoElement.videoHeight:!0}captureImageForWebGLContext(){if(!this.isVideoAndContextStateValid()||!this.canvasWebGLContext||this.canvasWebGLContext.drawingBufferWidth<=2||this.canvasWebGLContext.drawingBufferHeight<=2||this.areVideoAndWebGLSizeMismatching()||this.getFrameReader()==null)return null;let e=this.getFrameReader().readFromSource(this.videoElement);if(e.data[3]!==255&&e.colorType==="RGBA"){if(a$3.log(a$3.Level.Warn,"Detected incorrect GPU accelerated WebGL image processing, switching to canvas mode"),this.recreateCanvas(),this.canvas2dContext==null)throw new Error("Unable to get 2d canvas context");return this.captureImage()}return e}async checkCameraAccess(e){return new Promise((t,i)=>{this.cameraAccessRejectCallback=r=>{a$3.log(a$3.Level.Debug,"Camera video stream access failure (video data load timeout):",e),this.gui.setCameraRecoveryVisible(!0),i(r);},this.setCameraAccessTimeout();})}checkCameraVideoStreamAccessIfVisible(){document.visibilityState==="visible"&&(a$3.log(a$3.Level.Debug,"Page is visible again, waiting for camera video stream start..."),document.removeEventListener("visibilitychange",this.checkCameraVideoStreamAccessIfVisibleListener),this.setCameraAccessTimeout());}async checkVideoMetadata(e){return new Promise((t,i)=>{this.videoElement.onloadeddata=()=>{if(this.videoElement.onloadeddata=null,window.clearTimeout(this.cameraAccessTimeout),this.videoElement.videoWidth>2&&this.videoElement.videoHeight>2&&this.videoElement.currentTime>0){this.updateActiveCameraCurrentResolution(e),a$3.log(a$3.Level.Debug,"Camera video stream access success:",e),t();return}let r=performance.now();window.clearInterval(this.videoMetadataCheckInterval),this.videoMetadataCheckInterval=window.setInterval(async()=>{if(this.videoElement.videoWidth<=2||this.videoElement.videoHeight<=2||this.videoElement.currentTime===0){if(performance.now()-r>n.videoMetadataCheckTimeoutMs){a$3.log(a$3.Level.Warn,"Camera video stream access failure (valid video metadata timeout):",e),window.clearInterval(this.videoMetadataCheckInterval),await this.stopStream(!0),i(new a$4(n.notReadableErrorParameters));return}return}window.clearInterval(this.videoMetadataCheckInterval),this.updateActiveCameraCurrentResolution(e),a$3.log(a$3.Level.Debug,"Camera video stream access success:",e),t();},n.videoMetadataCheckIntervalMs);};})}disablePinchToZoomListeners(){this.videoElement.removeEventListener("touchstart",this.triggerZoomStartListener),this.videoElement.removeEventListener("touchmove",this.triggerZoomMoveListener);}disableTapToFocusListeners(){for(let e of ["touchend","mousedown"])this.videoElement.removeEventListener(e,this.triggerManualFocusListener);}emit(e,t){var r;let i=(r=this.listeners.get(e))!=null?r:[];for(let s of i)s(t);}enablePinchToZoomListeners(){this.videoElement.addEventListener("touchstart",this.triggerZoomStartListener),this.videoElement.addEventListener("touchmove",this.triggerZoomMoveListener);}enableTapToFocusListeners(){for(let e of ["touchend","mousedown"])this.videoElement.addEventListener(e,this.triggerManualFocusListener);}getActiveCamera(e,t,i){return e.length===1?e[0]:e.find(r=>r.deviceId===i||r.label!==""&&r.label===t)}getInitialCameraResolutionConstraint(e){var i;let t;switch((i=this.activeCameraSettings)==null?void 0:i.preferredResolution){case"uhd4k":{t=0;break}case"fullHd":{t=1;break}case"hd":default:{t=2;break}}return t}async handleCameraInitializationError(e,t,i){if(!["OverconstrainedError","NotReadableError"].includes(i.name)||i.name==="NotReadableError"&&t===4)throw a$3.log(a$3.Level.Debug,"Camera video stream access failure (unrecoverable error)",e,i),i.name!=="NotAllowedError"&&d.markCameraAsInaccessible(e),i;if(i.name==="OverconstrainedError"&&t===4){if(e.deviceId==="")throw a$3.log(a$3.Level.Warn,"Camera video stream access failure (no camera with such type error)",e,i),i;a$3.log(a$3.Level.Warn,"Detected non-existent deviceId error, attempt to find and reaccess updated camera",e,i);let r=e.deviceId;if(await d.getCameras(!0),r===e.deviceId)throw a$3.log(a$3.Level.Warn,"Camera video stream access failure (updated camera not found after non-existent deviceId error)",e,i),d.markCameraAsInaccessible(e),i;return a$3.log(a$3.Level.Warn,"Updated camera found (recovered from non-existent deviceId error), attempt to access it",e),this.initializeCameraForResolution(e)}return this.initializeCameraForResolution(e,t+1)}handleVideoResize(){if(!(this.videoElement.videoWidth<=2||this.videoElement.videoHeight<=2)){if(this.activeCamera&&this.updateActiveCameraCurrentResolution(this.activeCamera),this.canvasWebGLContext!=null){if(this.canvas.width===this.videoElement.videoWidth&&this.canvas.height===this.videoElement.videoHeight)return;this.canvas.width=this.videoElement.videoWidth,this.canvas.height=this.videoElement.videoHeight,this.canvasWebGLContext.viewport(0,0,this.canvasWebGLContext.drawingBufferWidth,this.canvasWebGLContext.drawingBufferHeight);}else if(this.canvas2dContext!=null){if(this.canvas.width===this.videoElement.videoWidth&&this.canvas.height===this.videoElement.videoHeight)return;this.canvas.width=this.videoElement.videoWidth,this.canvas.height=this.videoElement.videoHeight;}}}handleWebGLContextLost(){a$3.log(a$3.Level.Warn,"WebGL context has been lost, restoring..."),this._canvasWebGLContext=void 0,this.canvasWebGLContext?(this.handleVideoResize(),a$3.log(a$3.Level.Warn,"WebGL context restored")):a$3.log(a$3.Level.Error,"WebGL context restore failed");}async initializeCameraAndCheckUpdatedSettings(e){var t,i,r,s,o;try{if(await this.initializeCameraForResolution(e),this.selectedCameraSettings!==this.activeCameraSettings&&(this.selectedCameraSettings==null||this.activeCameraSettings==null||Object.keys(this.selectedCameraSettings).some(u=>{var b,f;return ((b=this.selectedCameraSettings)==null?void 0:b[u])!==((f=this.activeCameraSettings)==null?void 0:f[u])}))){this.activeCameraSettings=this.selectedCameraSettings,await this.initializeCameraAndCheckUpdatedSettings(e);return}this.activeCameraSettings&&this.activeCameraSettings.zoomFactor>1&&await this.setZoom(this.activeCameraSettings.zoomFactor);let m=(t=this.activeCameraSettings)==null?void 0:t.getProperty("minFrameRate"),d=(i=this.activeCameraSettings)==null?void 0:i.getProperty("maxFrameRate");(m!=null||d!=null)&&await this.setFrameRate({min:m,max:d});let l=(r=this.activeCameraSettings)==null?void 0:r.getProperty("manualLensPosition");l!=null&&await this.setFocus(l);let v=(s=this.activeCameraSettings)==null?void 0:s.getProperty("exposureTargetBias"),p=(o=this.activeCameraSettings)==null?void 0:o.getProperty("exposureDuration");(v!=null||p!=null)&&await this.setExposure({compensation:v,time:p});}finally{this.cameraInitializationPromise=void 0;}}async initializeCameraForResolution(e,t){var r;this.gui.setCameraRecoveryVisible(!1);let i=t!=null?t:this.getInitialCameraResolutionConstraint(e);this.mediaStream!=null&&e.deviceId!==""&&((r=this.activeCamera)==null?void 0:r.deviceId)===e.deviceId?await(a$2.isIPhone()?this.initializeStreamForResolution(e,i):this.updateStreamForResolution(e,i)):await this.initializeStreamForResolution(e,i);}async initializeStreamForResolution(e,t){var i;await this.stopStream();try{let r=(i=this.activeCameraSettings)==null?void 0:i.getProperty("preferredAspectRatio"),s=await d.accessCameraStream(e,t,r);if(a$3.log(a$3.Level.Debug,"Camera accessed, waiting for camera video stream start..."),typeof s.getVideoTracks()[0].getSettings=="function"){let o=s.getVideoTracks()[0].getSettings();if(o.width!=null&&o.height!=null&&(o.width===2||o.height===2)){if(a$3.log(a$3.Level.Debug,"Camera video stream access failure (invalid video metadata):",e),t===4)throw new a$4(n.notReadableErrorParameters);return await this.stopStream(),this.initializeStreamForResolution(e,t+1)}}this.mediaStream=s;for(let o of this.mediaStream.getVideoTracks())o.addEventListener("ended",this.videoTrackEndedListener),o.addEventListener("mute",this.videoTrackMuteListener),o.addEventListener("unmute",this.videoTrackMuteListener);try{await this.setupCameraStreamVideo(e,s);}catch(o){if(t===4)throw o;return this.initializeStreamForResolution(e,t+1)}}catch(r){return this.handleCameraInitializationError(e,t,r)}}isVideoAndContextStateValid(){return this.videoElement.readyState===4&&this.videoElement.videoWidth>2&&this.videoElement.videoHeight>2&&this.canvas.width>2&&this.canvas.height>2}postStreamInitialization(){window.clearTimeout(this.getCapabilitiesTimeout),this.getCapabilitiesTimeout=window.setTimeout(()=>{this.storeStreamCapabilities(),this.setupAutofocus();},n.getCapabilitiesTimeoutMs);}async recoverStreamIfNeeded(){var t,i;let e=(t=this.mediaStream)==null?void 0:t.getVideoTracks();((i=e==null?void 0:e[0])==null?void 0:i.readyState)==="ended"&&await this.reinitializeCamera();}reportCameraProperties(e,t,i=!0){this.emit("cameraProperties",{deviceId:e,isFrontFacing:t==="userFacing",hasAutofocus:i});}setCameraAccessTimeout(){window.clearTimeout(this.cameraAccessTimeout),this.cameraAccessTimeout=window.setTimeout(async()=>{var e;document.visibilityState==="visible"?(await this.stopStream(!0),(e=this.cameraAccessRejectCallback)==null||e.call(this,new a$4(n.notReadableErrorParameters))):(a$3.log(a$3.Level.Debug,"Page is currently not visible, delay camera video stream access detection"),document.addEventListener("visibilitychange",this.checkCameraVideoStreamAccessIfVisibleListener));},n.cameraAccessTimeoutMs);}setupAutofocus(){if(window.clearTimeout(this.manualFocusWaitTimeout),window.clearTimeout(this.manualToAutofocusResumeTimeout),this.mediaStream&&this.mediaTrackCapabilities){let e=this.mediaTrackCapabilities.focusMode;Array.isArray(e)&&!e.includes("continuous")&&e.includes("single-shot")&&(window.clearInterval(this.autofocusInterval),this.autofocusInterval=window.setInterval(this.triggerAutoFocus.bind(this),n.autofocusIntervalMs));}}async setupCameraStreamVideo(e,t){this.videoElement.addEventListener("loadedmetadata",this.postStreamInitializationListener),this.videoElement.addEventListener("resize",this.videoResizeListener),this.tapToFocusEnabled&&this.enableTapToFocusListeners(),this.pinchToZoomEnabled&&this.enablePinchToZoomListeners();let i=Promise.race([this.checkCameraAccess(e),this.checkVideoMetadata(e),new Promise(r=>{this.abortedCameraInitializationResolveCallback=r;})]);return this.videoElement.srcObject=t,this.videoElement.load(),await this.playVideo(),this.handleVideoResize(),this.reportCameraProperties(e.deviceId,e.position),i}async setupCamerasAndStream(){var e,t;try{let i;this.selectedCamera==null&&(i=await this.accessInitialCamera());let r=await d.getCameras(!1,!0),s=(t=(e=this.mediaStream)==null?void 0:e.getVideoTracks()[0])==null?void 0:t.getSettings().deviceId;if(this.mediaStream&&i){let o=this.getActiveCamera(r,i.label,s);if(o){if(d.adjustCameraFromMediaStream(this.mediaStream,o),a$2.isDesktopDevice()&&(d.setMainCameraForPositionOverridesOnDesktop(this.cameraPosition,o),d.setMainCameraForPositionOverridesOnDesktop(o.position,o)),r.length===1||d.getMainCameraForPosition(r,this.cameraPosition)===o){a$3.log(a$3.Level.Debug,"Initial camera access was correct (main camera), keep camera:",o),this.setSelectedCamera(o),this.updateActiveCameraCurrentResolution(o),await this.recoverStreamIfNeeded();return}a$3.log(a$3.Level.Debug,"Initial camera access was incorrect (not main camera), change camera",{...i,deviceId:s});}else a$3.log(a$3.Level.Debug,"Initial camera access was incorrect (unknown camera), change camera",{...i,deviceId:s});}if(this.selectedCamera==null){await this.accessAutoselectedCamera(r);return}await this.initializeCameraWithSettings(this.selectedCamera,this.selectedCameraSettings);}finally{this.cameraSetupPromise=void 0;}}storeStreamCapabilities(){var e;if(this.mediaStream){let t=this.mediaStream.getVideoTracks();t.length>0&&typeof t[0].getCapabilities=="function"&&(this.mediaTrackCapabilities=t[0].getCapabilities()),this.mediaTrackCapabilitiesPromiseResolver&&this.mediaTrackCapabilitiesPromiseResolver();}this.activeCamera&&this.reportCameraProperties(this.activeCamera.deviceId,this.activeCamera.position,((e=this.mediaTrackCapabilities)==null?void 0:e.focusMode)==null||this.mediaTrackCapabilities.focusMode.includes("continuous"));}async triggerAutoFocus(){await this.triggerFocusMode("single-shot");}async triggerFocusMode(e){if(this.mediaStream){let t=this.mediaStream.getVideoTracks();if(t.length>0&&typeof t[0].applyConstraints=="function")try{await t[0].applyConstraints({advanced:[{focusMode:e}]});}catch(i){}}}async triggerManualFocus(e){if(e){if(e.preventDefault(),e.type==="touchend"&&e.touches.length>0)return;if(this.pinchToZoomDistance!=null){this.pinchToZoomDistance=void 0;return}}if(window.clearTimeout(this.manualFocusWaitTimeout),window.clearTimeout(this.manualToAutofocusResumeTimeout),!this.mediaStream||!this.mediaTrackCapabilities)return;let t=this.mediaTrackCapabilities.focusMode;Array.isArray(t)&&t.includes("single-shot")&&(t.includes("continuous")&&t.includes("manual")?await this.triggerManualFocusForContinuous():t.includes("continuous")||await this.triggerManualFocusForSingleShot());}async triggerManualFocusForContinuous(){var i;if(!this.mediaStream)return;this.manualToAutofocusResumeTimeout=window.setTimeout(async()=>{await this.triggerFocusMode("continuous");},n.manualToAutofocusResumeTimeoutMs);let e=!0,t=this.mediaStream.getVideoTracks();t.length>0&&typeof t[0].getConstraints=="function"&&(e=((i=t[0].getConstraints().advanced)==null?void 0:i.some(r=>r.focusMode==="manual"))===!0),e?(await this.triggerFocusMode("continuous"),this.manualFocusWaitTimeout=window.setTimeout(async()=>{await this.triggerFocusMode("manual");},n.manualFocusWaitTimeoutMs)):await this.triggerFocusMode("manual");}async triggerManualFocusForSingleShot(){window.clearInterval(this.autofocusInterval),this.manualToAutofocusResumeTimeout=window.setTimeout(()=>{this.autofocusInterval=window.setInterval(this.triggerAutoFocus.bind(this),n.autofocusIntervalMs);},n.manualToAutofocusResumeTimeoutMs);try{await this.triggerFocusMode("single-shot");}catch(e){}}async triggerZoomMove(e){this.pinchToZoomDistance==null||(e==null?void 0:e.touches.length)!==2||e.preventDefault();}triggerZoomStart(e){var r,s,o,m;if((e==null?void 0:e.touches.length)!==2||(e.preventDefault(),this.pinchToZoomDistance=Math.hypot((e.touches[1].screenX-e.touches[0].screenX)/screen.width,(e.touches[1].screenY-e.touches[0].screenY)/screen.height),!this.mediaStream||!((r=this.mediaTrackCapabilities)!=null&&r.zoom)))return;let t=this.mediaStream.getVideoTracks();if(t.length===0||typeof t[0].getConstraints!="function")return;this.pinchToZoomInitialZoom=(s=this.mediaTrackCapabilities.zoom.min)!=null?s:1;let i=t[0].getConstraints();if(i.advanced){let d=(o=i.advanced.find(l=>"zoom"in l))==null?void 0:o.zoom;d!=null&&(this.pinchToZoomInitialZoom=typeof d=="number"?d:(m=d.ideal)!=null?m:1);}}updateActiveCameraCurrentResolution(e){this.videoElement.videoWidth>2&&this.videoElement.videoHeight>2&&(e.currentResolution={width:this.videoElement.videoWidth,height:this.videoElement.videoHeight}),e.deviceId!==""&&(this.activeCamera=e,this.setMirrorImageEnabled(this.isMirrorImageEnabled(),!1));}async updateStreamForResolution(e,t){var i;if(this.mediaStream==null)await this.initializeCameraForResolution(e,t);else try{let r=(i=this.activeCameraSettings)==null?void 0:i.getProperty("preferredAspectRatio");a$3.log(a$3.Level.Debug,"Setting new resolution for active camera video stream..."),await this.mediaStream.getVideoTracks()[0].applyConstraints(d.getUserMediaVideoParameters(t,r)),await new Promise(o=>{this.videoElement.addEventListener("timeupdate",()=>{o();},{once:!0});});let s=this.mediaStream.getVideoTracks()[0].getSettings();a$3.log(a$3.Level.Debug,"New active camera video stream resolution set",{width:s.width,height:s.height});}catch(r){if(t===4)throw r;await this.updateStreamForResolution(e,t+1);}}async videoTrackEndedRecovery(){if(document.visibilityState==="visible")try{a$3.log(a$3.Level.Debug,'Detected video track "ended" event, try to reinitialize camera'),await this.reinitializeCamera();}catch(e){}else a$3.log(a$3.Level.Debug,"Page is currently not visible, delay camera reinitialization until visible"),document.addEventListener("visibilitychange",this.checkCameraVideoStreamAccessIfVisibleListener);}videoTrackMuteRecovery(e){if(this.videoElement.onloadeddata!=null){a$3.log(a$3.Level.Debug,`Detected video track "${e.type}" event, delay camera video stream access detection`),this.setCameraAccessTimeout();return}let t=e.type==="mute";t!==this.gui.isCameraRecoveryVisible()&&(a$3.log(a$3.Level.Debug,`Detected video track "${e.type}" event, ${t?"enable":"disable"} camera recovery`),this.gui.setCameraRecoveryVisible(t));}};n.autofocusIntervalMs=1500,n.cameraAccessTimeoutMs=4e3,n.getCapabilitiesTimeoutMs=500,n.manualFocusWaitTimeoutMs=400,n.manualToAutofocusResumeTimeoutMs=5e3,n.noCameraErrorParameters={name:"NoCameraAvailableError",message:"No camera available"},n.notReadableErrorParameters={name:"NotReadableError",message:"Could not initialize camera correctly"},n.videoMetadataCheckIntervalMs=50,n.videoMetadataCheckTimeoutMs=4e3,n.MIRRORED_CLASS_NAME=a.MIRRORED_CLASS_NAME,n._instance=null;var y=n;

export { w as a, R as b, L as c, y as d };