remove ads

docs/compiled/artplayer-tool-thumbnail.js

@@ -4,4 +4,4 @@
  * (c) 2017-2022 Harvey Zack
  * Released under the MIT License.
  */
-!function(e,t,i,n,o){var r="undefined"!=typeof globalThis?globalThis:"undefined"!=typeof self?self:"undefined"!=typeof window?window:"undefined"!=typeof global?global:{},s="function"==typeof r.parcelRequire7b4c&&r.parcelRequire7b4c,l=s.cache||{},a="undefined"!=typeof module&&"function"==typeof module.require&&module.require.bind(module);function h(t,i){if(!l[t]){if(!e[t]){var n="function"==typeof r.parcelRequire7b4c&&r.parcelRequire7b4c;if(!i&&n)return n(t,!0);if(s)return s(t,!0);if(a&&"string"==typeof t)return a(t);var o=new Error("Cannot find module '"+t+"'");throw o.code="MODULE_NOT_FOUND",o}d.resolve=function(i){var n=e[t][1][i];return null!=n?n:i},d.cache={};var u=l[t]=new h.Module(t);e[t][0].call(u.exports,d,u,u.exports,this)}return l[t].exports;function d(e){var 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r.default{constructor(e={}){super(),this.processing=!1,this.option={},this.setup(Object.assign({},l.DEFAULTS,e)),this.video=l.creatVideo(),this.duration=0,this.inputChange=this.inputChange.bind(this),this.ondrop=this.ondrop.bind(this),this.option.fileInput.addEventListener("change",this.inputChange),this.option.fileInput.addEventListener("dragover",l.ondragover),this.option.fileInput.addEventListener("drop",l.ondrop)}static get DEFAULTS(){return{number:60,width:160,height:90,column:10,begin:0,end:NaN}}static ondragover(e){e.preventDefault()}ondrop(e){e.preventDefault();const t=e.dataTransfer.files[0];this.loadVideo(t)}setup(e={}){this.option=Object.assign({},this.option,e);const{fileInput:t,number:i,width:n,column:o}=this.option;if(this.errorHandle(t instanceof Element,"The 'fileInput' is not a Element"),"INPUT"!==t.tagName||"file"!==t.type){t.style.position="relative";const e=document.createElement("input");e.type="file",e.style.position="absolute",e.style.width="100%",e.style.height="100%",e.style.left="0",e.style.top="0",e.style.right="0",e.style.bottom="0",e.style.opacity="0",t.appendChild(e),this.option.fileInput=e}return["number","width","column","begin","end"].forEach((e=>{this.errorHandle("number"==typeof this.option[e],`The '${e}' is not a number`)})),this.option.number=s.clamp(i,10,1e3),this.option.width=s.clamp(n,10,1e3),this.option.column=s.clamp(o,1,1e3),this}static creatVideo(){const e=document.createElement("video");return e.style.position="absolute",e.style.top="-9999px",e.style.left="-9999px",e.muted=!0,e.controls=!0,document.body.appendChild(e),e}inputChange(e){const t=this.option.fileInput.files[0];this.loadVideo(t),e.target.value=""}loadVideo(e){if(e){const t=this.video.canPlayType(e.type);this.errorHandle("maybe"===t||"probably"===t,`Playback of this file format is not supported: ${e.type}`);const i=URL.createObjectURL(e);this.videoUrl=i,this.file=e,this.emit("file",this.file),this.video.src=i,this.emit("video",this.video)}}start(){if(!this.video.duration)return s.sleep(1e3).then((()=>this.start()));const{width:e,number:t,begin:i,end:n}=this.option,o=this.video.videoHeight/this.video.videoWidth*e;this.option.height=o,this.option.begin=s.clamp(i,0,this.video.duration),this.option.end=s.clamp(n||this.video.duration,i,this.video.duration),this.errorHandle(this.option.end>this.option.begin,"End time must be greater than the start time"),this.duration=this.option.end-this.option.begin,this.density=t/this.duration,this.errorHandle(this.file&&this.video,"Please select the video file first"),this.errorHandle(!this.processing,"There is currently a task in progress, please wait a moment..."),this.errorHandle(this.density<=1,`The preview density cannot be greater than 1, but got ${this.density}`);const r=this.creatScreenshotDate(),l=this.creatCanvas(),a=l.getContext("2d");this.emit("canvas",l);const h=r.map(((i,n)=>()=>new Promise((r=>{this.video.oncanplay=()=>{a.drawImage(this.video,i.x,i.y,e,o),l.toBlob((e=>{this.thumbnailUrl&&URL.revokeObjectURL(this.thumbnailUrl),this.thumbnailUrl=URL.createObjectURL(e),this.emit("update",this.thumbnailUrl,(n+1)/t),this.video.oncanplay=null,r()}))},this.video.currentTime=i.time}))));return this.processing=!0,s.runPromisesInSeries(h).then((()=>{this.processing=!1,this.emit("done")})).catch((e=>{throw this.processing=!1,this.emit("error",e.message),e}))}creatScreenshotDate(){const{number:e,width:t,height:i,column:n,begin:o}=this.option,r=this.duration/e,s=[o+r];for(;s.length<e;){const e=s[s.length-1];s.push(e+r)}return s.map(Line truncated
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r.default{constructor(e={}){super(),this.processing=!1,this.option={},this.setup(Object.assign({},l.DEFAULTS,e)),this.video=l.creatVideo(),this.duration=0,this.inputChange=this.inputChange.bind(this),this.ondrop=this.ondrop.bind(this),this.option.fileInput.addEventListener("change",this.inputChange),this.option.fileInput.addEventListener("dragover",l.ondragover),this.option.fileInput.addEventListener("drop",l.ondrop)}static get DEFAULTS(){return{number:60,width:160,height:90,column:10,begin:0,end:NaN}}static ondragover(e){e.preventDefault()}ondrop(e){e.preventDefault();const t=e.dataTransfer.files[0];this.loadVideo(t)}setup(e={}){this.option=Object.assign({},this.option,e);const{fileInput:t,number:i,width:n,column:o}=this.option;if(this.errorHandle(t instanceof Element,"The 'fileInput' is not a Element"),"INPUT"!==t.tagName||"file"!==t.type){t.style.position="relative";const e=document.createElement("input");e.type="file",e.style.position="absolute",e.style.width="100%",e.style.height="100%",e.style.left="0",e.style.top="0",e.style.right="0",e.style.bottom="0",e.style.opacity="0",t.appendChild(e),this.option.fileInput=e}return["number","width","column","begin","end"].forEach((e=>{this.errorHandle("number"==typeof this.option[e],`The '${e}' is not a number`)})),this.option.number=(0,s.clamp)(i,10,1e3),this.option.width=(0,s.clamp)(n,10,1e3),this.option.column=(0,s.clamp)(o,1,1e3),this}static creatVideo(){const e=document.createElement("video");return e.style.position="absolute",e.style.top="-9999px",e.style.left="-9999px",e.muted=!0,e.controls=!0,document.body.appendChild(e),e}inputChange(e){const t=this.option.fileInput.files[0];this.loadVideo(t),e.target.value=""}loadVideo(e){if(e){const t=this.video.canPlayType(e.type);this.errorHandle("maybe"===t||"probably"===t,`Playback of this file format is not supported: ${e.type}`);const i=URL.createObjectURL(e);this.videoUrl=i,this.file=e,this.emit("file",this.file),this.video.src=i,this.emit("video",this.video)}}start(){if(!this.video.duration)return(0,s.sleep)(1e3).then((()=>this.start()));const{width:e,number:t,begin:i,end:n}=this.option,o=this.video.videoHeight/this.video.videoWidth*e;this.option.height=o,this.option.begin=(0,s.clamp)(i,0,this.video.duration),this.option.end=(0,s.clamp)(n||this.video.duration,i,this.video.duration),this.errorHandle(this.option.end>this.option.begin,"End time must be greater than the start time"),this.duration=this.option.end-this.option.begin,this.density=t/this.duration,this.errorHandle(this.file&&this.video,"Please select the video file first"),this.errorHandle(!this.processing,"There is currently a task in progress, please wait a moment..."),this.errorHandle(this.density<=1,`The preview density cannot be greater than 1, but got ${this.density}`);const r=this.creatScreenshotDate(),l=this.creatCanvas(),a=l.getContext("2d");this.emit("canvas",l);const h=r.map(((i,n)=>()=>new Promise((r=>{this.video.oncanplay=()=>{a.drawImage(this.video,i.x,i.y,e,o),l.toBlob((e=>{this.thumbnailUrl&&URL.revokeObjectURL(this.thumbnailUrl),this.thumbnailUrl=URL.createObjectURL(e),this.emit("update",this.thumbnailUrl,(n+1)/t),this.video.oncanplay=null,r()}))},this.video.currentTime=i.time}))));return this.processing=!0,(0,s.runPromisesInSeries)(h).then((()=>{this.processing=!1,this.emit("done")})).catch((e=>{throw this.processing=!1,this.emit("error",e.message),e}))}creatScreenshotDate(){const{number:e,width:t,height:i,column:n,begin:o}=this.option,r=this.duration/e,s=[o+r];for(;s.length<e;){const e=s[s.lengthLine truncated